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As a Lead Mainframe engineer, you will play a key role in ensuring the continuity, resilience, and operational excellence of re-platformed mainframe middleware and production-control services supporting critical enterprise workloads.You will lead operational and engineering activities across middleware and batch-processing platforms, ensuring service stability while driving modernization, service improvements, upgrades, and controlled decommissioning initiatives. Acting as a senior technical authority, you will coordinate closely with IBM, application teams, platform owners, and operational stakeholders in highly critical 24x7 environments.You will also lead a small team of engineers, providing technical guidance, operational oversight, and coordination across platform activities while engaging directly with stakeholders and client representatives to gather requirements and support platform roadmap initiatives.Your role:<ul><li>Own the end-to-end technical service for re-platformed middleware and production-control platforms across production, non-production, and disaster recovery environments.</li><li>Lead and mentor a small team of engineers, providing technical leadership, operational guidance, and coordination of day-to-day platform activities.</li><li>Act as the primary technical point of contact for stakeholders, client representatives, and operational teams, gathering requirements and translating business needs into reliable technical solutions.</li><li>Lead Stonebranch UAC and batch operations activities, including scheduling standards, post-batch support, bundle promotion governance, and resolution of cross-domain batch-processing issues.</li><li>Drive service improvements, platform upgrades, cluster and scheduler health initiatives, and operational standards across highly critical enterprise services.</li><li>Act as the command point for high-severity incidents, out-of-hours change windows, root cause analysis activities, and cross-team operational coordination.</li><li>Coordinate closely with IBM, Stonebranch, infrastructure teams, and application owners to ensure operational continuity and service resilience.</li><li>Support disaster recovery readiness, service recovery testing, and operational governance activities across the platform landscape.</li><li>Guide the controlled migration, modernization, or decommissioning of legacy batch-processing services while protecting production stability.</li><li>Define and maintain standards for availability, operational excellence, monitoring, service governance, and platform reliability.</li><li>Collaborate with platform teams and application stakeholders to proactively manage dependencies, operational risks, and service continuity requirements.</li></ul>Your profile:<ul><li>Bachelor’s or Master’s degree in Computer Science, Engineering, Information Systems, or related field (or equivalent experience).</li><li>6-8 years of experience in relevant roles.</li><li>Extensive experience managing enterprise middleware and batch-processing platforms within large-scale production environments.</li><li>Strong expertise in re-hosted middleware services and production-control ecosystems, including technologies such as MQ, CICS/TX, Stonebranch UAC, scheduling platforms, and cross-platform operational tooling.</li><li>Strong experience supporting Linux-hosted middleware environments, DB2 LUW interfaces, queue and log monitoring, and disaster recovery operations.</li><li>Strong understanding of operational standards, root cause analysis, change-window governance, service continuity, and platform resilience practices.</li><li>Experience leading modernization, migration, or decommissioning initiatives within critical enterprise platforms.</li><li>Proven ability to lead small technical teams and coordinate multiple stakeholders, vendors, and operational groups.</li><li>Strong stakeholder-management and communication skills, with the ability to gather requirements and align technical solutions with business needs.</li><li>Comfortable operating within highly critical, governance-driven, and cross-functional enterprise environments.</li><li>Fluent in English (written and spoken).</li></ul>

Lead Mainframe SRE

Intellectica is recruiting an AI Foundation Model Specialist on behalf of a leading technology services group headquartered in Athens, Greece, operating under a hybrid working model. The selected candidate will join a high-performing Data &amp; AI team and will play a pivotal role in designing, developing, and deploying cutting-edge AI solutions, contributing to transformative initiatives that enhance business performance, unlock new value streams, and drive innovation across diverse industries.Key activities and responsibilities of this role include:&nbsp;<ul><li>Leading the end-to-end design, development, and delivery of advanced AI solutions, ensuring alignment with business objectives and scalable technology standards</li><li>Developing, testing, and deploying Generative and Agentic AI applications, including agent-based workflows</li><li>Implementing Retrieval-Augmented Generation (RAG) pipelines, agentic workflows, advanced prompting strategies (e.g., few-shot, chain-of-thought), fine-tuning techniques, and integrate both open-source and general-purpose AI systems</li><li>Collaborating with AI engineers and software developers to deploy AI models into cloud environments (AWS, GCP, Azure)</li><li>Cooperating with Data &amp; AI Architects to design robust and scalable AI product architecture</li><li>Optimizing AI applications for performance, scalability, and accuracy</li><li>Coaching and mentoring junior AI Engineers in developing and integrating key AI application components</li><li>Any other task that may be required from time to time</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related field; a Master’s degree or PhD will be considered an asset</li><li>Minimum of 2 years’ hands-on programming experience in Artificial Intelligence (AI), Natural Language Processing (NLP), Machine Learning, Deep Learning, or related fields</li><li>Proficiency in programming languages such as Python, Java, or C++</li><li>Hands-on experience with Large Language Models (LLMs) such as GPT, Bard, or LLaMA, as well as image generation systems like DALL·E, Stable Diffusion, or MidJourney</li><li>Solid understanding of core Generative AI principles, including fine-tuning, prompt engineering, and integration of open-source and general-purpose AI systems</li><li>Proven ability to architect and operate solutions built on core LLM and Generative AI technologies, including open-source frameworks, Azure OpenAI, and Amazon Bedrock</li><li>Strong background in RESTful APIs and microservices-based architectures</li><li>Familiarity with GPU-based computing infrastructure, relational and NoSQL databases as well as cloud services related to AI/ML&nbsp;will be considered a plus</li><li>Fluent in Greek with professional-level English communication skills</li></ul>&nbsp;Core competencies of a successful candidate:<ul><li>Strong creative problem-solving skills, with a focus on addressing real-world business challenges</li><li>Comfortable working within a global, highly collaborative team environment</li><li>Demonstrated leadership skills, setting clear priorities and driving effective execution</li><li>Clear and confident communicator across cross-functional teams and stakeholders</li><li>Proactive, dependable, and results-driven professional mindset</li></ul>

AI Foundation Model Specialist

The Charging Service implements all the Tariff Plan, Promotions and Regulatory services (such as spending limits, etc) as per Commercial demand and it is therefore made up of a mission critical application, continuously evolved for supporting the stream of Commercial needs for facing the day-by-day competition.&nbsp; From Technology standpoint, a journey towards 5G enablement is in progress moving the legacy service to a complete new, cloud-based application able to support the monetization of the incoming 5G network and services.Role purpose:&nbsp; • &nbsp; &nbsp;Deliver harmonized convergent rating and charging solutions cross markets and cross vendors in line with the architectural and strategic guidelines • &nbsp; &nbsp;Coordinate cross European programs, both for the design phase and for the delivery phase ensuring compliance with deliverables, costs and quality • &nbsp; &nbsp;Research and develop new products and services leveraging the leading technologies of convergent rating and charging, in line with Vodafone Digitalization strategy • &nbsp; &nbsp;Design, Drive and Deliver the Convergent Charging Service (CCS) on Cloud Transformation program in the Market(s), leading CCS to a Cloud, 5G ready system. &nbsp; • &nbsp; &nbsp;Design and Engineer the solution based on Cloud technologies, such as Containers, Open-Source components (Graphana, Kibana), CI/CD (Jenkins, JMeter).&nbsp; • &nbsp; &nbsp;Design and Engineer the software for complying with state-of-the-art Cyber Security guidelines and requirements&nbsp; • &nbsp; &nbsp;Design and Develop backend applications using technologies like JAVA, Python, etc.&nbsp; Designing PoC as well as designing and developing integrations based on opensource components and APIs using CI/CD process (e.g., developing interfaces or protocol for automatic testing tools, developing automatic test scripts, etc) • &nbsp; &nbsp;Owns solution HLD and LLD including IP design. Chooses technologies and standards used for the underlying capabilities. Determines dimensioning and configuration data per node. Ensures security requirements are imbedded in the design. • &nbsp; &nbsp;Design and integrate the new 5G Core with CCS for developing innovative monetization streams.&nbsp; • &nbsp; &nbsp;Drive as Technical Project Manager the delivery projects ensuring a proper coordination of all involved domains (e.g., Infrastructure, Core Network, Operating Support Systems, Provisioning)&nbsp; • &nbsp; &nbsp;Analyse, together with the business demand areas, the needs, requirements and expectations for the definition and implementation of the different functionalities of the CCS projects and commercial productsKey accountabilities and decision ownership&nbsp;• &nbsp; &nbsp;Design, Drive and Deliver the Convergent Charging Service (CCS) cross markets and cross Vendors&nbsp; • &nbsp; &nbsp;Decide and influence the best software architecture for legacy / 5G charging applications. • &nbsp; &nbsp;Design and Implement Capacity Planning for CCS&nbsp; • &nbsp; &nbsp;Lead assigned projects coordinating the involved Technology Providers (aka Vendors) and the relevant VF teams cross markets • &nbsp; &nbsp;Vendors Selection &amp; ManagementWho you areCore competencies, knowledge and experience:• &nbsp; &nbsp;Deep knowledge on IT and network protocols, including 5G SA architecture&nbsp; • &nbsp; &nbsp;Cloud (AWS/Azure/GCP) deployment, Kubernetes, Red Hat • &nbsp; &nbsp;Charging and Rating Services and Digital Services experience • &nbsp; &nbsp;DevOps process and tools (Harbor, Helm, Jenkins, GitLab, JMeter) and Programming skills and experience&nbsp; • &nbsp; &nbsp;Strong experience in managing complex and inter-functional projectsMust have technical / professional qualifications:&nbsp;• &nbsp; &nbsp;MSc/BSc in Computer Science or similar (mandatory) • &nbsp; &nbsp;Fluent in English (mandatory) • &nbsp; &nbsp;Analytical ability, creativity and problem-solving (mandatory) • &nbsp; &nbsp;Knowledge in charging applications • &nbsp; &nbsp;Experience in SOAP, Diameter, Restful API appreciatedNot a perfect fit?Worried that you don’t meet all the desired criteria exactly? At Vodafone we are passionate about empowering people and creating a workplace where everyone can thrive, whatever their personal or professional background. If you’re excited about this role but your experience doesn’t align exactly with every part of the job description, we encourage you to still apply as you may be the right candidate for this role or another opportunity.What's in it for you<ul><li>Award-winning work environment -certified #1 Top Employer in Greece</li><li>Competitive pay, bonus &amp; remuneration package</li><li>Private Health &amp; Medical Insurance</li><li>Hybrid way of working: a blend of remote and office-based working, including the option to work from abroad</li><li>Unlimited access to learning resources and trainings</li><li>Vodafone Parental Leave: 16 weeks of fully paid parental leave to all employees regardless of gender, sexual&nbsp; orientation or length of service</li><li>Spirit of Vodafone Day: one day each quarter dedicated to your personal development</li><li>Extra days off: Vodafone Day, Family Day, Volunteering Day</li><li>Office amenities (subject to the office location): such as restaurant, beauty corner, gym and parking</li><li>Special employee offers and discounts</li></ul>

Monetization & Charging Senior Engineer

We are seeking a Head of Security Operations, being responsible for protecting the organization’s digital assets by ensuring continuous visibility and rapid response to cyber threats.Location: Kato Kifisia<h2>During your day you will:</h2><ul><li>Oversee continuous monitoring, timely detection, and effective response to cybersecurity threats and incidents</li><li>Maintain the availability and effectiveness of security infrastructure and tools, including SIEM, EDR, and firewalls</li><li>Lead the organization’s response to security incidents, ensuring timely containment, thorough investigation, and effective recovery</li><li>Integrate threat intelligence into operations to proactively identify and mitigate risks</li><li>Optimize processes, tools, and team capabilities to enhance detection and response maturity</li></ul><h2>What you need to stand out:</h2><ul><li></li></ul><ul><li>Bachelor’s degree in Computer Engineering, or related discipline</li><li>Master’s degree in information security or related discipline</li><li>Minimum 7 years previous experience in hands-on experience in security monitoring, incident response, threat detection and SOC management</li><li>Proven experience managing cross-functional teams, defining operational KPIs, and leading high-pressure incident response efforts</li><li>Experience in leading and coordinating responses to major security incidents, including post-incident analysis and executive reporting</li><li>Knowledge of information security standards and best practices</li><li>Strong expertise in SIEM solutions</li><li>Certifications and training in specific defense solutions</li><li>Certified in CISSP, GSOM, GSOC, GCIA, GCIH, GCFA</li></ul>Key skills/attributes<ul><li>Team leadership</li><li>Organizational and time management skills</li><li>Analytical and problem-solving skills</li><li>Accountability and results orientation</li><li>Flexibility and adaptability in a complex working environment</li></ul>&nbsp;

Head of Offensive Security (M6) 1

At EY, we’re all in to shape your future with confidence.&nbsp;We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.​Being part of EY in Greece means being part of a continuously growing team, which has been announced as Top Employer for the fourth consecutive year, certified as a Great Place to Work for the third year in a row, and awarded as Best Workplace in Professional Services &amp; Consulting for the second consecutive time, for our almost 3,000 professionals!At EY, we’ll develop you with future-focused skills and equip you with world-class experiences through&nbsp;coaching and training programs as well as the use of advanced technology and AI. We’ll fuel you and your extraordinary talents in a diverse and inclusive culture&nbsp;of globally connected teamsJoin us as we commemorate 100 years of EY in Greece this year. Experience great&nbsp;flexibility&nbsp;under&nbsp;our hybrid&nbsp;operating model&nbsp;across our offices in&nbsp;Athens,&nbsp;Patras, Thessaloniki and Crete&nbsp;and contribute to building a better working world.&nbsp;The opportunityPatch and Vulnerability Management is a foundational capability for modern cyber resilience. Organizations need to continuously identify exposures, prioritize remediation based on real risk, and deploy fixes safely across complex endpoint, server and cloud estates. In this role, you will help our clients strengthen their security posture by designing, improving, and operationalizing vulnerability and patch management processes and by leveraging automation to increase speed, quality, and auditability.&nbsp;Your Key ResponsibilitiesYou will be a key member of our security engineering/operations delivery teams, responsible for establishing and running end-to-end vulnerability and patch management in alignment with client needs and operating models.<ul><li>Deliver end‑to‑end vulnerability assessment and risk‑based remediation prioritization.</li><li>Partner with stakeholders to validate scope, impact, and remediation approach across environments.</li><li>Plan and govern patching activities in line with SLAs, maintenance windows, and change processes.</li><li>Execute standard and emergency patching with appropriate testing, approvals, and rollback controls.</li><li>Operate and continuously optimize patching and remediation tooling (e.g. Intune, Azure Update Manager, MECM/SCCM, Tanium).</li><li>Drive automation and scripting to improve remediation efficiency and operational quality.</li><li>Maintain accurate asset inventory, tagging, and ownership to enable accountability and reporting.</li><li>Produce operational and executive‑level reporting, highlighting trends and improvement opportunities.</li></ul>&nbsp;Skills and attributes for successTo qualify for the role you must have:<ul><li>Bachelor’s Degree in Computer Science, Engineering, IT, Mathematics or related field, or equivalent work experience.</li></ul><ul><li>Proven experience establishing and/or operating Vulnerability &amp; Patch Management processes in a corporate environment.</li><li>Strong understanding of vulnerability assessment methodologies and patch prioritization principles (risk/exposure-based).</li><li>Hands-on familiarity with enterprise endpoint/server patching operations and change-controlled environments.</li><li>Strong analytical/problem-solving skills and the ability to communicate clearly with technical and non-technical stakeholders.</li></ul>&nbsp;Ideally, you will also have:<ul><li>Strong Microsoft ecosystem experience (e.g., Microsoft security/endpoint platform exposure)</li><li>Experience optimizing a tool stack and proposing improvements.</li><li>Experience in hybrid/cloud environments and supporting large-scale operations.</li></ul><ul><li>Microsoft Security certifications such as MD102, AZ-500, MS-500, SC-100, SC-200, SC-300, SC-400</li><li>Vendor-agnostic security Certification(s) such as from ISC2 (CISSP, CCSP, etc.), ISACA (CISM, CISA) or SANS/GIAC (GSEC, GCLD, GPCS, etc.) will be considered a plus.</li><li>In depth hands-on experience with a multitude of operating systems,&nbsp;databases and networking infrastructure.</li><li>Ability in writing custom scripting tools (Python, Ansible, PowerShell, etc.), interacting with API’s.</li></ul>&nbsp;What we offer you &nbsp;Ability to Shape your Future with Confidence by:<ul><li>Developing your professional growth:<ul><li>You'll have unlimited access to educational platforms, EY Badges and EY Degrees, alongside support for certifications. You will experience personalized coaching and feedback, and gain exposure to international projects, through our expansive global network, empowering you to define and achieve your own success.</li><li>Dive into our innovative GenAI ecosystem, designed to enhance your EY journey and support your career growth. These advanced AI tools will empower you to focus on higher-value work and meaningful interactions, enriching your professional experience like never before.</li></ul></li></ul><ul><li>Empowering your personal fulfilment: We focus on your financial, social, mental and physical wellbeing.<ul><li>Our competitive rewards package, depending on your experience, includes cutting-edge technological equipment, ticket restaurant vouchers, a private health and life insurance scheme, income protection and an exclusive EY benefits club card that provides a wide range of discounts, offers and promotions.</li><li>Our flexible working arrangement (hybrid model) is defined based on your own preferences and team’s needs, and we enjoy various getaways such as short Fridays, Flex Day and Together Day.&nbsp;</li><li>Our commitment to a sustainable way of operating, encourages volunteerism, promotes sustainable practices and offers opportunities for you to create a positive societal impact.</li><li>Our pride lies in working at EY as one of the most recognized employers in Greece through our multiple awards received over the last 4 years (Top Employer, Great Place to Work and Best Workplace in Professional Services &amp; Consulting).</li></ul></li></ul><ul><li>Fueling an inclusive culture:&nbsp;We prioritize a diverse, equitable and inclusive environment, where you’ll be embraced for who you are and empowered to use your voice to help others find theirs.</li></ul>&nbsp;Are you ready to shape your future with confidence? Apply today.&nbsp;To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.&nbsp;&nbsp;EY&nbsp; |&nbsp; Building a better working worldEY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.&nbsp;Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.&nbsp;EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.#LI-Hybrid&nbsp;&nbsp;&nbsp;

Patch & Vulnerability Management Engineer

Are you a dynamic and results-driven Project Manager with a passion for security systems? G4S, as part of Allied Universal, the world's leading security services provider, is expanding its team in Metamorphosis, Attica, Greece, and we're seeking a talented individual to join our Installations &amp; Large Projects Team.As a Project Manager, you'll play a pivotal role in ensuring the successful delivery of complex security projects. You'll coordinate people, processes, and resources to achieve on-time, within-budget, and high-quality project outcomes.Responsibilities:<ul><li>Project Leadership:<ul><li>Manage end-to-end project lifecycles, from planning and execution to completion</li><li>Develop comprehensive project plans, defining scope, timelines, and budgets</li><li>Proactively identify and mitigate project risks</li><li>Monitor and control project progress, ensuring adherence to quality and safety standards</li></ul></li><li>Stakeholder Management:<ul><li>Build and maintain strong relationships with clients, subcontractors, and internal teams</li><li>Effectively communicate project status and updates to all stakeholders</li></ul></li><li>Operational Excellence:<ul><li>Optimize resource allocation and utilization</li><li>Maintain accurate project documentation and reporting</li><li>Contribute to continuous improvement initiatives</li></ul></li><li>Coordination:<ul><li>Oversee the coordination of installation and commissioning of security systems</li><li>Manage subcontractor performance and quality</li></ul></li></ul>Job requirementsQualifications:<ul><li>3 years of experience as a Project Manager, ideally within the security or engineering sectors</li><li>Understanding of security systems and infrastructure networks (or a willingness to learn)</li><li>Proven ability to manage complex projects and deliver results</li><li>Excellent communication, interpersonal, and negotiation skills</li><li>Proficiency in MS Office and Google Workspace</li><li>Fluency in Greek and English</li><li>PMP or PRINCE II certification (Preferred)</li><li>Attention to detail and strong organizational skills</li></ul>We Offer:<ul><li>Competitive salary and performance-based bonus</li><li>Comprehensive private health and life insurance</li><li>Company vehicle and travel expense coverage</li><li>Ongoing professional development and training</li><li>Opportunities for global career advancement</li><li>Dynamic and collaborative work environment</li></ul>G4S is committed to Equal Employment Opportunity! If you correspond to the above criteria please don’t hesitate to click the Apply button and send us your resume.

Project Manager

Intellectica is recruiting an experienced and highly skilled Principal Data Scientist on behalf of a newly established AI &amp; Machine Learning startup, which will be integrated into a leading group of companies operating in the aerospace, defense, and high-technology sector. This startup aims to develop cutting-edge AI-driven solutions tailored to the aerospace and defense industry. This role reports directly to the CTO and plays a central role in defining and executing the company’s data science strategy.&nbsp;Key activities and responsibilities of this role include:&nbsp;<ul><li>Architecting innovative data science solutions that ensure scalability, robustness, and reliability across diverse domains</li><li>Leading product-level modeling strategies end-to-end, from research and prototyping to production deployment and monitoring</li><li>Defining and promoting best practices across the data science lifecycle, aligned with the company’s MLOps operating model</li><li>Coaching and mentoring senior data scientists, fostering skill development and consistency across teams</li><li>Collaborating with ML and Site Reliability Engineers to shape the AI infrastructure roadmap and technology portfolio</li><li>Advising on business development strategy, identifying market opportunities where AI offers a competitive edge</li><li>Translating complex operational challenges into data-driven solutions for public sector clients and partners</li><li>Driving exploration and adoption of emerging technologies such as distributed LLM inference, foundational model fine-tuning, and simulation-based ML</li><li>Contributing to the development of Verification &amp; Validation methods for AI in safety- and mission-critical contexts</li><li>Ensuring secure and responsible use of AI across all projects</li><li>Representing the company in external conferences, expert panels, and consortia, leading thought leadership in defense-focused AI</li></ul>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Professional experience &amp; qualifications of a successful candidate:&nbsp;<ul><li>PhD or equivalent graduate degree in Data Science, Machine Learning, Computer Science, Statistics, Informatics, or a related quantitative field</li><li>Minimum 8 years of experience in advanced data science and machine learning, with a strong track record of production-level solution delivery</li><li>Deep proficiency in Python and its ML ecosystem (e.g., Pandas, NumPy, PyTorch, TensorFlow, Hugging Face)</li><li>Expertise in full ML workflows including data engineering, model design, training, deployment, and lifecycle management</li><li>Proven experience with large-scale or distributed ML systems (e.g., Ray, PyTorch Lightning, Horovod)</li><li>Demonstrated proficiency in at least two of the following: large language models, computer vision, multimodal learning, generative AI</li><li>Hands-on experience integrating ML models into operational systems with real-time performance monitoring</li><li>Familiarity with cloud-native and high-performance computing environments (AWS, Azure, GCP, or on-prem HPC)</li><li>Experience with computer vision algorithms (e.g., R-CNN, YOLO)</li><li>Proficient in Greek and English</li></ul>&nbsp;Core competencies of a successful candidate:<ul><li>Excellent communication and interpersonal skills to engage effectively with internal and external stakeholders across all levels</li><li>Strategic thinker with ability to align research with mission needs</li><li>Inspiring leader and mentor across data science teams</li><li>Fast and creative prototype builder</li><li>Decisive in ambiguous, high-stakes situations</li><li>Resilient and adaptable in dynamic environments</li><li>Collaborative and alignment-driven across teams and partners</li></ul>

Senior Data Scientist

As a Software Architect - Python (m/f/d), you will play a key role in automating infrastructure, cloud, and security environments while contributing to the development of connected backend systems, including responsible use of AI tools such as Claude Code or similar. You will work closely with cross-functional teams to translate requirements into scalable solutions and support the team throughout the development lifecycle. Your responsibilities include:<ul><li>Contribute to software architecture, design reviews, and technical planning sessions</li><li>Use modern AI tools and AI-enhanced workflows to accelerate implementation, including code generation, refactoring, and testing, while maintaining architectural integrity</li><li>Translate business and technical requirements into effective software solutions</li><li>Troubleshoot and resolve complex technical issues within the development lifecycle</li><li>Collaborate closely with Team Leads, QA engineers, Product Owners and DevOps teams</li><li>Serve as a technical focal point for the team, supporting the Team Lead in planning and execution</li></ul>Your ProfileYour know-how<ul><li>5+ year of working experience with Python programming language and structured Python code (PEP 8 standard)</li><li>Strong working experience in at least one of Django, Flask or FastAPI and good knowledge in SQL databases and SSR-based templating (htmx)</li><li>Deep understanding of software architecture, design patterns, and system integration principles</li><li>Experience with version control (Git) and agile development environments (Scrum, Kanban)</li></ul>Your personality<ul><li>Excellent problem-solving and analytical thinking skills</li><li>Experience mentoring other developers or leading small teams</li><li>Strong technical leadership and decision-making skills</li><li>Strong communication skills with fluency in written and spoken English</li></ul>We Offer<ul><li>30 days of vacation&nbsp;(regardless of the length of service)</li><li>Private health insurance for our employees and their dependents (spouse/children)</li><li>In-depth, comprehensive training (approx. 1-3 months) in Germany at our expenses included one monthly flight back to Greece during the whole training period</li><li>Go for EAT - Ticket restaurant card</li><li>Modern hybrid way of working, characterized by flexible working arrangements</li><li>Team-oriented working environment and a broad variety of tasks in an international and diverse team, based on trust and transparency</li><li>Continuous opportunity for personal and professional development and learning</li><li>Personal company hardware</li><li>Free snacks and beverages</li></ul>&nbsp;

Software Architect - Python (m/f/d)

As a Team Leader of our Application Support Team, you will oversee the smooth operation and ongoing improvement of software systems developed by OPAP's internal Software Development Team. You will be guiding a team that delivers expert technical support, resolves application issues promptly, and collaborates with stakeholders to enhance user satisfaction and system reliability.&nbsp;Your day to day will include:<ul><li>Leading and mentoring the application support team by supervising performance, fostering collaboration, and promoting creative thinking to enhance capabilities and achieve goals</li><li>Managing and prioritizing incidents, service requests, and problem tickets, ensuring timely resolution and adherence to SLAs</li><li>Performing root cause analysis (RCA) and coordinating permanent fixes for recurring application issues</li><li>Overseeing application monitoring and alerting systems, ensuring proactive identification and resolution of issues</li><li>Collaborating with DevOps and infrastructure teams to support CI/CD pipelines, deployments, and environment stability</li><li>Maintaining and enhancing automation scripts and tools for monitoring, reporting, and routine support tasks</li><li>Ensuring application logs, performance metrics, and telemetry data are effectively used for diagnostics and optimization</li><li>Coordinating application upgrades, patches, and configuration changes, ensuring minimal disruption to users</li><li>Managing access controls, security configurations, and compliance requirements for supported applications</li><li>Documenting technical procedures, troubleshooting guides, and known issues to build a robust knowledge base</li></ul>&nbsp;What you need to succeed:&nbsp;<ul><li>BSc in Computer Engineering / Science, Information Systems Management or relevant field. MSc in relevant topic is desirable</li><li>At least 5 years of relevant experience in the development, monitoring and/or support of enterprise SW applications</li><li>At least 2 years of experience in leading a development or application support team</li><li>Experience in industry-standard development frameworks and tools such as Spring, Spring Boot, JPA, Junit, JavaEE/JakartaEE, Docker, Kubernetes, Wildfly, Redis, RabbitMQ.</li><li>Experience in industry-standard relational and non-relational database systems such as MySQL, Postgres, Oracle, MongoDb</li><li>Experience in configuration management tools (puppet/ansible)</li><li>Experience in monitoring tools (Grafana, Kibana) and alerting tools (ElastAlert, Nagios)</li><li>Experience in version control tools like Git, Subversion</li><li>Familiar with Continuous Integration, Continuous Delivery and Agile practices</li><li>Solid understanding of fundamental design principles behind a scalable application</li><li>Familiarity with Linux systems</li><li>Experience in cloud environments such as Azure, AWS will be considered a plus</li><li>Ability to multi-task and rapidly switch context</li></ul>&nbsp;What’s in it for you?<ul><li>An award-winning working environment&nbsp;🚀</li><li>State of the art facilities including gym &amp; restaurant&nbsp;🏢</li><li>Hybrid working model&nbsp;💻</li><li>Competitive salary package and bonus scheme&nbsp;💸</li><li>Health insurance coverage &amp; Pension Plan&nbsp;🙏</li><li>Monthly food allowance&nbsp;🍴</li><li>Continuous learning with classroom/digital trainings by OpapAcademy&nbsp;🎓</li><li>Internal Career Opportunities&nbsp;💼</li><li>Well-Being Activities&nbsp;💪</li></ul>&nbsp;OPAP Group is an equal opportunity employer&nbsp;Does this sound like you? If yes, we would love to meet you!

Application Support Team Leader (3634)

&nbsp;Our People, Our Energy!&nbsp;<h2>The Company</h2>MORE (Motor Oil Renewable Energy)&nbsp;is a subsidiary company of the&nbsp;Motor Oil Group&nbsp;and is dynamically active in the field of clean energy production &amp; management. MORE’s vision is, through the innovative development of its units and services, to produce more clean energy, and create more alternatives for a sustainable future for all. Having as guarantee the credibility and confidence inspired by the Motor Oil Group’s name, as well as the stability and financial health, MORE dares and invests, looking to the future. We strive to develop our people to their highest potential, through continuous learning and assignment of challenging projects.At&nbsp;Motor Oil Group, our people are our energy!We support the Greek economy with exports to over 75 countries, thousands of employees, and continuous new investments. We work together to shape the future of energy and we focus on developing and empowering our people, cultivating their talents that will shape our future journey towards the energy transition.<h2>Starting with the role:</h2>Currently we are searching to hire a&nbsp;SCADA &amp; IT Specialist who will be responsible for ensuring the optimal performance and compliance of SCADA systems across various renewable energy installations while collaborating with different departments to gather requirements. This position also involves cybersecurity compliance monitoring, ensuring system connectivity, troubleshooting issues, and managing documentation related to network installations.<h2>During your day you will:</h2><ul><li>Collect and analyze the needs of various departments to accurately specify the SCADA system's capabilities.</li><li>Continuously monitor the connectivity and operational performance of SCADA systems across different renewable energy installations</li><li>Specify and manage Internet Service Provider (ISP) services to ensure stable and reliable data transmission for SCADA systems.</li><li>Provide guidance and support to site technicians and operational teams for the troubleshooting and resolution of SCADA-related issues.</li><li>Develop and maintain comprehensive documentation for all SCADA system installations, network architectures, and configuration settings.</li><li>Ensure seamless integration of SCADA systems with industrial equipment, such as PLCs (Programmable Logic Controllers), and industrial communication protocols, including Modbus, IEC-104, DNP3, and OPC UA.</li></ul><h2>What you need to stand out:</h2><ul><li>Bachelor’s degree in information technology, Electrical Engineering, or a related field.</li><li>Master Degree in related fields will be considered an asset</li><li>Minimum of 5 years of experience in SCADA system management and IT infrastructure within the renewable energy sector.</li><li>In-depth knowledge of SCADA systems</li><li>Strong understanding of cybersecurity principles, especially in relation to industrial control systems (ICS).</li><li>Experience with ISP service specifications, network connectivity, and troubleshooting in a renewable energy context.</li><li>Fluency in English (verbal and written)</li><li>Proficient in all MS Office software especially Word, Excel, Power Point</li><li>Strong problem-solving skills and the ability to manage multiple tasks simultaneously.</li></ul>&nbsp;&nbsp;Our Compass is the #ACTION#A_uthenticity#C_ompassion#T_eamwork#I_ntegrity#O_wnership#N_ever giving up&nbsp;&nbsp;What gives us energy:<ul><li>Friendly and fast paced environment, being always at the heart of the #action</li><li>Continuous learning to empower our teams</li><li>Career Development opportunities across the Motor Oil Group</li><li>Competitive compensation package</li></ul>&nbsp;&nbsp;*We @Motor Oil Group are an equal opportunity employer.Our hiring decisions are based solely on qualifications, merit, and business needs. We recruit, employ, train, and promote individuals without regard to race, color, religion, disability, sex, sexual orientation, gender identity, national origin, age, genetic characteristics, or any other protected status. Our commitment is to maintain an inclusive and diverse workforce where everyone has the opportunity to succeed.

SCADA & IT Specialist

We are seeking an experienced IT Project Manager &amp; Application Owner to fill a hybrid role within our IT department. This individual will be responsible for both leading the successful, end-to-end delivery of different sizes of IT projects and for assuming full lifecycle ownership of one or more key business applications. This position will focus mainly on the “Project Delivery” and “PPM (Project Portfolio Management)” domains.What We Offer:<ul><li>Competitive compensation package</li><li>Hybrid work model</li><li>A dynamic, multicultural team with opportunities for personal and professional growth</li><li>Access to continuous learning and development programs</li><li>Health insurance and other benefits tailored to your needs</li><li>The chance to work in a global environment, collaborating with colleagues from across Europe and beyond</li></ul>Your Responsibilities:As an IT Project Manager<ul><li>Initiation &amp; Planning:<ul><li>Collaborate with sponsors to define project scope, goals, and deliverables.</li><li>Develop detailed project plans, work-breakdown structure and resource plan</li><li>Conduct comprehensive risk assessments and develop mitigation strategies.</li><li>Establish project budget and track invoices process.</li></ul></li></ul><ul><li>RFI / RFP Preparation:<ul><li>Partner with business and technical teams to define detailed requirements for new software</li><li>Author comprehensive Request for Information and Request for Proposal documents.</li><li>Manage the vendor communication and Q&amp;A process.</li><li>Organize and facilitate vendor demonstrations.</li><li>Lead the vendor evaluation committee, develop scoring matrices and provide a final selection recommendation.</li><li>Support the procurement and legal teams during contract negotiation.</li></ul></li></ul><ul><li>Execution &amp; Control:<ul><li>Lead project kick-off meetings and regular status meetings.</li><li>Proactively manage and track project risks, issues, and dependencies, escalating as needed.</li><li>Manage the project budget, tracking actuals against forecast and handling change requests.</li><li>Prepare and deliver clear status reports and presentations to all levels of stakeholders</li><li>Ensure project documentation and deliverables are tracked, reviewed and approved</li></ul></li></ul><ul><li>Closure:<ul><li>Coordinate User acceptance testing and ensure all criterias are met for go-live.</li><li>Manage the project transition to the operational support team.</li><li>Conduct post-project reviews and "lessons learned" sessions.</li></ul></li></ul>As an Application Owner<ul><li>Strategy &amp; Roadmap:<ul><li>Develop and maintain the 3-5 year strategic roadmap for the application(s), aligning with business objectives.</li><li>Plan for the application lifecycle, including upgrades, enhancements, and eventual closure.</li></ul></li></ul><ul><li>Financial Management:<ul><li>Develop and manage the annual budget for the application(s), including licenses, maintenance, support, and enhancement costs.</li><li>Continuously track and optimize costs</li></ul></li></ul><ul><li>Operations &amp; Performance:<ul><li>Act as the primary escalation point for major incidents and problem management.</li><li>Monitor application performance, availability, and user satisfaction.</li><li>Liaise with infrastructure, database, and security teams to ensure the underlying technology stack is robust and secure.</li></ul></li></ul><ul><li>Lifecycle &amp; Vendor Management:<ul><li>Manage the backlog of bug fixes and enhancement requests</li><li>Oversee the release management and change control process for the application.</li><li>Manage the relationship with the application vendor(s), ensuring adherence to Service Level Agreements and driving value from the partnership.</li></ul></li></ul><ul><li>Compliance &amp; Security:<ul><li>Ensure the application adheres to all internal security policies and external regulations.</li><li>Elaborate compliance and security documentation during project implementation</li><li>Coordinate regular security audits, vulnerability assessments, and disaster recovery testing</li></ul></li></ul>Qualifications:Essential<ul><li>Bachelor’s Degree in Computer Science, Information Systems, or Engineering</li><li>More than 5 years of practical experience in projects related applications</li><li>Demonstrable experience as an application owner, product management</li><li>Project management certification (PMP)</li><li>Experience working in Agile methodology for managing product backlog</li><li>Proven, end-to-end experience leading RFI/RFP processes, vendor evaluation, and selection.</li><li>Strong experience managing external vendors and managed service providers</li><li>Experience of working within a culturally diverse global company</li><li>Fluent or native English speaker</li><li>Knowledge and experience on Google workplace</li></ul>&nbsp;Desirable<ul><li>Knowledge and experience with technical fields ( application architecture, servers and applications services troubleshooting,...)</li><li>Conversant in French would be advantageous</li></ul>

IT Project Manager & Application Owner 11411

We are currently seeking Senior professionals with good analytical skills and a well-rounded personality to become part of our dynamic Cyber team. You will build your knowledge and experience working in a team of diverse and talented professionals who enjoy&nbsp;designing and implementing innovative cybersecurity and data protection strategies,&nbsp;for market leading clients in diverse industries (e.g., Financial Services, Energy, Telecommunications Media &amp; Technology, Life Sciences &amp; Healthcare etc.).<ul><li>You want to be involved in the&nbsp;definition of&nbsp;new and cutting-edge solutions&nbsp;to address cybersecurity challenges for the most relevant and prestigious clients across industry verticals.</li><li>You want to work with&nbsp;inspiring, ambitious, and supportive people&nbsp;with diverse geographical and academic backgrounds and extensive skills.</li><li>You are a&nbsp;cyber enthusiast and visionary&nbsp;and you think that it will shape our future.</li><li>You get excitement in&nbsp;managing clients shifting priorities&nbsp;and accomplish tasks in a&nbsp;challenging, fast-paced&nbsp;environment.</li><li>You like to&nbsp;nurture people&nbsp;and&nbsp;share your knowledge&nbsp;with others.</li></ul>&nbsp;Deloitte’s Cyber professionals help organizations focus on enterprise-level cyber risks through a strategic approach. Our services help clients reimagine cyber risk to uncover strategic opportunities aligned with their business priorities — to gain competitive advantage and become more trustworthy, resilient, and secure. We help clients conduct cyber assessments and benchmarking that set a foundation for training and reporting across the organization. And we help them identify potential insider threats and design programs to&nbsp;thwart it. Then we turn the lens toward helping clients modernize their core and traditional/ cloud infrastructures with next-generation security controls that help manage cyber risks and exposure.You will thrive in a global environment, developing and managing innovative strategic initiatives for customers and collaborating with colleagues belonging to different geographies and backgrounds.&nbsp;#YourRole<ul><li>Manage cybersecurity activities within wider projects, identifying, evaluating, and designing best-in-class security services from security operational, architectural, and engineering perspectives, demonstrating operational excellence, vision, and strategic thinking.</li><li>Responsible for service management of the team including overall use of resources and initiation of corrective action where required for the SOC team.</li><li>Responsible for the SOC team’s success in security incident monitoring, identification, assessment, quantification, reporting, communication, and mitigation efforts.</li><li>Participate in incident response (IR) efforts; detect, identify, respond, contain, and remediate information security incidents.</li><li>Provide tactical support as needed for major incidents impacting clients.</li><li>Ensure compliance to Service Level Agreements (SLAs), process adherence and process improvement to achieve operational objectives.</li><li>Coordination and collaboration with Deloitte’s EMEA Cyber Security Centre to support service delivery.</li><li>Execute complex project activities, coach and support less experienced team members, and coordinate part of the team while supporting your more senior colleagues in managing client relations and expectations to achieve common goals aligned with business objectives.</li><li>Manage own work against the project plan to ensure a superior client experience.</li><li>Engage with internal and external stakeholders to strengthen business relations and create business opportunities.</li><li>Receive training and attain certifications in the use of cutting-edge cybersecurity products and various cybersecurity topics.</li></ul>&nbsp;&nbsp;#WinningRequirements<ul><li>Bachelor and/or Master’s degree in Information Technology, Computer Science, Cyber Security or equivalent.</li><li>5 - 7 years of experience in a SOC (leading) position (e.g., SOC Manager, SOC team leader, Incident Respond leader, Security Architect, etc.), preferably in an MSSP or consulting company.</li><li>Working experience in security technologies such as: Security information and event management (SIEM), IDS/IPS, Data Loss Prevention (DLP), Proxy, Web Application Firewall (WAF), Endpoint detection and response (EDR), Anti-Virus, Sandboxing, network- and host- based firewalls, Threat Intelligence, Penetration Testing, etc.</li><li>Extensive knowledge of Advanced Persistent Threats (APT) tactics, techniques, and procedures.</li><li>Understanding of possible attack activities such as network probing/ scanning, DDOS, malicious code activity, etc.</li><li>Technical expertise in incident response planning, handling and management.</li><li>Relevant professional certifications, such as CISSP, CISM, GIAC certification, and MS Certification, will be considered a plus.</li><li>Demonstrate leadership and communication skills.</li><li>Proven ability to translate complex information sets into specific recommendations that can be actioned by customers to enhance their security posture.</li><li>Be an&nbsp;independent and collaborative&nbsp;person who cooperates in one or more project teams to deliver high-quality results.</li><li>Possess&nbsp;interpersonal skills&nbsp;and the ability to develop&nbsp;effective and lasting relationships&nbsp;with clients and colleagues.</li><li>Fluent knowledge of the English language.</li><li>Military obligations fulfilled where applicable.</li></ul>&nbsp;#ChooseDeloitteif:&nbsp;<ul><li>You want to work with inspiring, ambitious, and supportive people with diverse geographical and academic backgrounds and extensive skills.</li><li>You get excitement in managing clients shifting priorities and accomplish tasks in a challenging, fast-paced environment.</li><li>You like to nurture people and share your knowledge with others.</li></ul>&nbsp;#AboutDeloitte&nbsp;Our servicesDeloitte offers Global professional services that include Audit, Risk Advisory, Tax, Consulting and Financial Advisory. Our approach combines insight and innovation from multiple disciplines with global business and industry expertise to help our clients excel anywhere in the world.We deliver outstanding impact on the reputation and success of our clients, in Greece and globally. In pursuing this we contribute to a sustainable and prosperous society, and are firm believers in the positive impact business can and should have on the world it operates within.&nbsp;Our PurposeOur purpose, “To make an impact that matters for our clients, our people and society “- defines who we are and what we stand for. This is not about size, it's about being the first choice. The first choice for the largest and most influential clients, and the first choice for the best talent.&nbsp;Our valuesAt Deloitte we foster a collaborative culture where talented individuals can produce their best work. We value innovative thinking, diverse insights and a genuinely distinctive level of customer service. We value difference, with respect at the heart of our inclusive culture, and we support agile working arrangements.&nbsp;Our talent experienceFrom day one at our firm, practitioners are part of a community. Our development and career progression framework will help them develop the skills and capabilities to succeed. The wellness of our people and the ability to offer agile working arrangements is at the centre of our unique talent experience. We create a workplace that encourages collaboration, creativity, inclusiveness to ensure our staff are supported, encouraged, and feel a sense of purpose and meaning in what they do each day.&nbsp;Sounds like the sort of role for you? Apply now.&nbsp;This document has been prepared by Deloitte Business Solutions Societe Anonyme of Business Consultants, Deloitte Certified Public Accountants Societe Anonyme and Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants.Deloitte Business Solutions Societe Anonyme of Business Consultants, a Greek company, registered in Greece with registered number 000665201000 and its registered office at Marousi Attica, 3a Fragkokklisias &amp; Granikou str., 151 25, Deloitte Certified Public Accountants Societe Anonyme, a Greek company, registered in Greece with registered number 0001223601000 and its registered office at Marousi, Attica, 3a Fragkokklisias &amp; Granikou str., 151 25 and Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants, a Greek company, registered in Greece with registered number 144724504000 and its registered office at Thessaloniki, Municipality of Pylaia - Chortiatis of Thessaloniki, Vepe Technopolis Thessaloniki (5th and 3rd street), are one of the Deloitte Central Mediterranean S.r.l. (“DCM”) countries. DCM, a company limited by guarantee registered in Italy with registered number 09599600963 and its registered office at Via Tortona no. 25, 20144, Milan, Italy is one of the Deloitte NSE LLP geographies. Deloitte NSE LLP is a UK limited liability partnership and member firm of Deloitte Touche Tohmatsu Limited, a UK private company limited by guarantee.Deloitte refers to one or more of Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms and their related entities (collectively, the “Deloitte organization”). DTTL (also referred to as “Deloitte Global”) and each of its member firms and related entities are legally separate and independent entities, which cannot obligate or bind each other in respect of third parties. DTTL and each DTTL member firm and related entity is liable only for its own acts and omissions, and not those of any of each other. DTTL does not provide services to clients. Please see www.deloitte.com/ about to learn more.DTTL, Deloitte NSE LLP and Deloitte Central Mediterranean S.r.l. do not provide services to clients. Please see www.deloitte.com/about to learn more about our global network of member firms.Deloitte is a leading global provider of audit and assurance, consulting, financial advisory, risk advisory, tax and related services. Our global network of member firms and related entities in more than 150 countries and territories serves four out of five Fortune Global 500ℜg; companies. Learn how Deloitte’s approximately 312,000 people make an impact that matters at www.deloitte.com.This communication contains general information only, and Deloitte Business Solutions Societe Anonyme of Business Consultants, Deloitte Certified Public Accountants Societe Anonyme and Deloitte Alexander Competence Center Single Member Societe Anonyme of Business Consultants, is not, by means of this communication, rendering professional advice or services. Before making any decision or taking any action that may affect your finances or your business, you should consult a qualified professional adviser. No entity in the Deloitte organization shall be responsible for any loss whatsoever sustained by any person who relies on this communication. Deloitte organization refers to Deloitte Touche Tohmatsu Limited (“DTTL”), its global network of member firms and their related entities collectively.© 2024&nbsp;For more information contact Deloitte Central Mediterranean.

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