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We are seeking a highly skilled Network Security Engineer to join our cybersecurity team. As a Network security expert, you will be responsible for designing, implementing, and managing advanced segmentation,&nbsp; breach detection and Database activity monitoring solutions to ensure the protection of our organization's critical assets and sensitive data. Your main role will involve deploying Guardicore's Centra platform as micro-segmentation solution, monitoring network traffic, and responding to security incidents. The position will report directly to the responsible Product manager for Network Security .YOUR NEW KEY RESPONSIBILITIES:• Deploy and configure the Guardicore Centra platform to establish micro-segmentation for network isolation and security.• Design and implement segmentation policies to prevent lateral movement and unauthorized access within the network.• Perform&nbsp; day-to-day administration of the solution.&nbsp;&nbsp;• Create / update global policy and rule sets.&nbsp;• Install the agent&nbsp; on the servers.• Configure micro-segmentation&nbsp; breach detection mechanisms to identify and respond to suspicious activities and security threats.• Configure Database activity monitoring policies and respond to suspicious activities.• Collaborate with the incident response team to investigate and mitigate security incidents detected by Guardicore and Imperva DAM.• Monitor network traffic patterns using Guardicore's visibility tools to detect unusual behaviors and potential security breaches.• Utilize traffic analysis to refine segmentation policies and enhance threat detection capabilities.• Continuously review and refine segmentation policies based on changing network environments and security requirements• Implement security best practices and recommend improvements to enhance micro-segmentation&nbsp; effectiveness.• Enhance effectiveness of Database activity monitoring policies&nbsp;• Collaborate with cross-functional teams&nbsp;• Ability to work as on call: It will be required to participate in the teams on call shift one week per month.ARE THESE YOUR SECRET INGREDIENTS?• Bachelor’s degree in computer science, Information Security, or related field (or equivalent experience).• Professional certifications such as Cisco, Fortinet, Checkpoint, AKAMAI, GCCE, Imperva DAM are highly preferred.• 4-5 years of proven experience as a Security Engineer with expertise in Firewall and micro-segmentation technologies.• Strong understanding of network protocols, traffic analysis, firewall principles and security vulnerabilities.• Thorough knowledge of cybersecurity best practices, standards, and frameworks.• Excellent analytical and problem-solving skills to identify and address security incidents.• Effective communication skills to collaborate with technical and non-technical stakeholders.• Willing to grow and learn in multi-vendor landscape with state-of-the-art technologies.HOW CAN YOU BENEFIT FROM THIS POSITION?• Competitive compensation and comprehensive benefits package.• Opportunity to work with cutting-edge Guardicore technologies.• Collaborative and innovative work environment.• Continuous learning and professional development opportunities.• Contribution to enhancing the organization's security posture and protecting sensitive data.&nbsp;

Network Security Engineer

We are looking for a SOA/OSB Integration Engineer / Consultant. In this role, you will be responsible for designing, implementing, and optimizing integration solutions across enterprise systems. You will ensure robust, secure, and efficient data flows while supporting documentation, monitoring, and cross-team collaboration. What You’ll Be Doing<ul><li>Implement well-scoped integrations using SOA, OSB, APIs, and event-driven patterns.</li><li>Build and test services/APIs (REST/SOAP) including mapping, transformation (XSLT/JSON), callouts, and error handling.</li><li>Monitor and troubleshoot integrations, including logging, alerting, and performance analysis.</li><li>Document integration processes through interface specs, sequence diagrams, and Confluence/Wiki pages.</li><li>Collaborate with business and IT teams to translate requirements into integration specifications and SLAs.</li><li>Follow integration security practices, including OAuth2, mTLS, API key management, and secrets handling. </li></ul>What You’ll Bring<ul><li>3+ years of experience in system integration, SOA/OSB, or related roles.</li><li>Hands-on experience with Oracle SOA Suite 12c, OSB, or equivalent platforms.</li><li>Strong understanding of integration patterns (request/response, pub/sub, batch, file, event-driven) and data formats (JSON, XML).</li><li>Proficiency in SQL, basic PL/SQL, and scripting (Unix shell, WLST) for automation and monitoring.</li><li>Familiarity with DevOps practices including version control (Git), CI/CD, unit/integration testing, and monitoring tools (Grafana/Kibana).</li><li>Excellent communication, problem-solving, and documentation skills, with a proactive and dependable work style. </li></ul>Nice to Haves<ul><li>Experience with microservices orchestration, hybrid cloud integration, or iPaaS platforms.</li><li>Knowledge of advanced security and compliance standards (OIDC, SAML, audit logging).</li><li>Experience in mentoring junior engineers or leading integration teams.</li></ul>&nbsp;How We Support Your Growth🍽️ Lunch Is On Us: Monthly allowance for your favorite meals. 🏥 Health First: Private health &amp; life insurance for peace of mind. 💻 Set Up For Success: The right tools to stay connected and perform your best. 📚 Curiosity Never Retires: Access to Udemy for unlimited learning. 🚀 Career Rocket Fuel: Coaching and mentorship programs tailored to your goals. 🎯 Work With The Best: Collaborate with industry-leading clients. 🌈 Celebrate Diversity: Be part of a team that values every perspective. 💸Performance Pays Off: Annual discretionary bonus based on yearly contributions. 🌱 Social Responsibility: Give back through volunteering and sustainability.

SOA/OSB Integration Engineer / Consultant

As a Database Administrator at INTRALOT, you’ll play an active role in maintaining and optimizing our database environments, ensuring high availability, performance, and security. You’ll contribute to database design, automation, and optimization initiatives, while collaborating with cross-functional teams to support enterprise-level solutions across On-Premises, Cloud, and Hybrid infrastructures.Your Responsibilities:<ul><li>Database Management: Contribute to the installation, configuration, and maintenance of database systems (e.g., MySQL, Oracle, PostgreSQL, MongoDB, MS SQL Server) across different environments.</li><li>Performance Optimization: Monitor and fine-tune database performance, perform query tuning, and ensure reliability and scalability.</li><li>Security &amp; Compliance: Maintain strong backup, recovery, and access control procedures, ensuring compliance with standards such as GDPR and the WLA Responsible Gaming Framework.</li><li>Automation &amp; Scripting: Support and enhance automation processes using tools like Bash, Python, and Ansible, applying Infrastructure as Code (IaC) principles where relevant.</li><li>Collaboration &amp; Support: Work closely with Software Development, Infrastructure, and QA teams to deliver stable and efficient database solutions.</li><li>Continuous Improvement: Stay up to date with emerging technologies and recommend best practices to improve performance, reliability, and efficiency.</li></ul>Job requirementsYour Qualifications:<ul><li>Experience: At least 2 years of hands-on experience in database administration, supporting and optimizing production or enterprise-level systems.</li><li>Technical Expertise: Solid knowledge of at least one major RDBMS (MySQL or Oracle) and familiarity with others such as PostgreSQL, MongoDB, and MS SQL Server.</li><li>Automation Mindset: Experience with scripting and automation tools (Bash, Python, Ansible) and understanding of IaC concepts.</li><li>Analytical Thinking: Strong problem-solving skills and the ability to identify and resolve performance or configuration issues.</li><li>Communication &amp; Teamwork: Clear communication skills and a collaborative attitude when working with diverse technical teams.</li><li>Growth Orientation: Motivation to keep learning, adapt to new technologies, and contribute to improving internal systems and processes.</li></ul>&nbsp;&nbsp;About Us: INTRALOT, a publicly listed company established in 1992, is a leading gaming solutions supplier and operator active in 40 regulated jurisdictions worldwide. With a global workforce of approximately 1,700 employees, INTRALOT is committed to redefine innovation and quality of services in the lottery and gaming sector, while supporting operators in raising funds for good causes. In 2025, INTRALOT was distinguished as a top ten most attractive employer brands in Greece.INTRALOT has been awarded the prestigious WLA Responsible Gaming Framework Certification by the World Lottery Association. We always act with integrity and enjoy what we do.&nbsp;Why Join Us:💸 Competitive compensation package with additional benefits.💻 Opportunity for growth in a hybrid working model.🏥 Private Insurance coverage for you and your family.🏢 Modern facilities, inclusive amenities, and transportation options.📚 Comprehensive training program for continuous learning and development.🚀 Exceptional opportunities to grow in a multinational environment.🌎 Prospects for professional advancement both locally and globally.

Database Administrator

A Azure &amp; Systems Senior Engineer with proven experience in datacenter environments, virtualization, and the Microsoft technology stack. The successful candidate will be responsible for maintaining and evolving our hybrid infrastructure across on-premises and cloud (Azure) platforms, ensuring performance, scalability, and security across all Corporate IT systems.&nbsp;Responsibilities<ul><li>Deploy, monitor, and optimize Azure workloads (IaaS/PaaS, Azure Arc, storage).</li><li>Administer and harden Active Directory (GPOs, OU structure, DNS/DHCP, delegation).</li><li>Implement and maintain Entra ID policies, Conditional Access, MFA, and identity protection.</li><li>Experience designing high-availability and disaster recovery solutions using Azure native services (Availability Zones, ASR, Load Balancers, Storage redundancy models)</li><li>Manage and support Intune, Autopilot, endpoint compliance, and device configuration.</li><li>Administer Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive).</li><li>Apply and maintain the Microsoft Tiering Security Model (Tier-0 / Tier-1 / Tier-2).</li><li>Support hybrid identity and AD/Entra synchronization.</li><li>Support Windows Server and virtualization environments (Hyper-V/VMware).</li><li>Ensure endpoint and infrastructure security using Defender for Endpoint.</li></ul>&nbsp;Qualifications&nbsp;<ul><li>Bachelor’s degree in Computer Science, Information Technology, or a related field (Master’s preferred).</li><li>5+ years of experience in Systems Engineering or Infrastructure Administration.</li><li>Proven experience with Azure IaaS/PaaS, Azure Arc, Azure networking, monitoring, and hybrid environments.</li><li>Familiarity with Microsoft Tiering Security Model (Tier-0 / Tier-1 / Tier-2) and privileged access concepts.</li><li>Strong hands-on experience with Microsoft Hyper-V (clusters, storage, HA), and good understanding of VMware environments.</li><li>Experience in backup/recovery platforms</li><li>Strong experience with Azure IaaS/PaaS, Azure Arc, and Intune MDM.</li><li>Strong understanding of Windows Server 2016/2019/2022, Active Directory, and related services.</li><li>Familiarity with PowerShell scripting for automation.</li><li>Solid working knowledge of Microsoft 365 services</li><li>Good understanding of networking fundamentals (TCP/IP, VLANs, VPNs).</li><li>Azure Certifications (AZ-104, AZ-305, MS-102, SC-300) considered a plus.</li><li>Effective communication skills, teamwork mindset, and structured documentation habits.</li><li>Cooperation and teamwork</li><li>Fluency in English (oral &amp; written)</li></ul>&nbsp;The Company Offers&nbsp;<ul><li>Opportunities for further development&nbsp;</li><li>Competitive remuneration package&nbsp;</li><li>Continuous Learning and development.&nbsp;</li></ul>

AZURE & SYSTEMS SENIOR ENGINEER (3621)

We looking for a Senior SAN Storage Engineer to join our client. In this position, you will play a key role in designing, operating and optimizing enterprise-grade storage environments across both internal and customer-facing platforms. You will collaborate with global teams, partners and vendors to ensure storage solutions are robust, high-performing, and aligned with organizational standards. As a member of the team, you will contribute to strategic decisions, support critical operations, and provide guidance to engineers across multiple locations. What You’ll Be Doing<ul><li>Build, administer and maintain complex SAN storage environments across our cloud and dedicated customer infrastructures.</li><li>Work alongside other senior engineers to define architecture standards, operational guidelines, and best practices for storage platforms.</li><li>Act as the primary technical owner for one or more technologies, ensuring stability, lifecycle management and continuous improvement.</li><li>Develop and maintain technical documentation, procedures and operational manuals.</li><li>Take ownership of assigned projects, from planning to execution, or assist other teams in delivering cross-functional initiatives.</li><li>Participate in scheduled standby rotations and planned maintenance windows to ensure service continuity.</li><li>Operate in a third-line support capacity, handling advanced troubleshooting and incident resolution.</li><li>Contribute to automation efforts — identifying opportunities, writing scripts, and improving operational efficiency.</li><li>Share expertise with colleagues, supporting knowledge exchange, mentoring, and technical follow-up activities.</li></ul>What You’ll Bring<ul><li>5+ years of experience in SAN storage engineering or a similar infrastructure role.</li><li>Hands-on expertise in deploying, configuring, and supporting enterprise storage systems.</li><li>Deep knowledge in at least one of the following technologies: Dell PowerMax, NetApp, IBM FlashSystem, or HPE Alletra.</li><li>Strong experience with Brocade SAN technologies and core SAN concepts.</li><li>Solid understanding of Linux environments and storage-related operations.</li><li>Proficiency in scripting and automation — Bash, Ansible, or Python are required.</li><li>Experience with other SAN or NAS platforms is considered an advantage.</li><li>Strong analytical mindset with the ability to independently resolve complex technical issues.</li><li>A collaborative, adaptable and proactive approach to working in a dynamic environment.</li><li>Commitment to continuous learning, accuracy, and professional growth.</li><li>Excellent communication skills in English, both spoken and written.</li><li>Willingness to travel occasionally (e.g., yearly trip to Belgium for workshops or training). </li></ul>Why Join Them?💸&nbsp;Competitive salary package.💻&nbsp;Career coaching and mentorship&nbsp;to support your professional growth.🌈&nbsp;Diverse and multicultural teams&nbsp;that promote inclusivity.🦄&nbsp;Outstanding working environment.🚀&nbsp;Continuous training and development opportunities.

Senior SAN Storage Engineer

Your Tasks<ul><li>You provide valuable support for your colleagues in both national and international projects.</li><li>You take on research tasks and assist in reviewing customer requirements to ensure effective and solution-oriented service.</li><li>Together with your colleagues, you work on projects to integrate activities and requirements.</li><li>You advise our customers and internal departments providing support to the best of your ability.</li></ul>Your ProfileYour Know-how<ul><li>Interested in information security with a solid understanding of key concepts</li><li>Passionate for customer consulting and customer orientated project management</li><li>General basic knowledge of IT</li><li>Very good written and spoken German and English skills</li></ul>&nbsp;Your Personality<ul><li>Customer- and service-orientated mindset</li><li>Excellent teamwork and communication skills</li><li>High level of willingness to learn and self-motivation</li><li>Structured and independent way of working</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;

Information Security Consultant (m/f/d) - Athens

Intellectica is recruiting an experienced and highly skilled Site Reliability Engineer 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. You will join a dynamic cross-functional team and report directly to the Principal SRE.Key activities and responsibilities of this role include:<ul><li>Implement, operate, and maintain infrastructure services across cloud-based and on-prem environments, under the guidance of Senior and Principal SREs</li><li>Provision and manage containerized applications using Docker and Kubernetes, ensuring scalable, reliable, and smooth application deployments</li><li>Automate infrastructure tasks using Terraform (HCL) and other modern DevOps tools to support repeatable and efficient operations</li><li>Support CI/CD pipelines, enabling fast, reliable, and secure software releases through continuous integration and deployment, best practices</li><li>Implement observability tools for metrics, logging, and alerting to ensure high availability and system reliability</li><li>Assist in the setup and operation of secure networking, including firewalls, access controls, and VPNs, following established security guidelines</li><li>Collaborate closely with ML Engineers and Data Scientists to understand infrastructure needs and deliver scalable solutions</li><li>Participate in code reviews, pair programming, and knowledge-sharing sessions to elevate team practices</li><li>Contribute to operational documentation, playbooks, and internal knowledge bases</li><li>Assist in incident response, root-cause analysis, and resolution documentation</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in computer science, Informatics, or a related quantitative field</li><li>2-3+ years of relevant experience in DevOps, Site Reliability Engineering (SRE), or similar roles for mid-level candidates</li><li>Strong hands-on experience with containerization and orchestration tools, including Docker, Kubernetes, Helm, and Docker Compose</li><li>Proven expertise in infrastructure automation using Terraform (HCL) and related DevOps tooling</li><li>Solid understanding of Linux system administration, including performance tuning and troubleshooting</li><li>Familiarity with cloud platforms such as AWS or GCP. Experience with Microsoft Azure is a strong plus</li><li>Experience with observability tools, and a strong understanding of monitoring, logging, and alerting best practices</li><li>Exposure to distributed computing frameworks (e.g., Ray) is a plus.</li><li>Good understanding of IT security best practices and software development quality assurance processes</li><li>Familiarity with technologies such as Python, React, SQL databases, GitHub, and web servers is desirable</li><li>Fluent in both Greek and English</li></ul>Core competencies of successful candidate:<ul><li>Analytical mindset with structured problem-solving skills</li><li>High sense of ownership and commitment to system reliability</li><li>Collaborative and proactive team player</li><li>Clear communicator, able to simplify complex technical topics</li><li>Eager to learn and grow within a high-performance engineering culture</li></ul>

Site Reliability Engineer int-0415

The Platform Engineer – Digital, eCommerce Operations plays a critical role in ensuring the stability, scalability, and performance of customer-facing digital &amp; loyalty platforms that power our omnichannel experience.This includes our eCommerce sites and apps, loyalty ecosystem, digital promotions, identity and customer accounts services, and the supporting operational platforms behind them. The ideal candidate brings strong technical depth in modern distributed architectures—such as microservices, event streaming technologies, and relational databases—along with the communication skills necessary to collaborate effectively across engineering, product, and customer operations teams. This role ensures our digital and loyalty experiences remain reliable, fast, and consistent across channels, enabling seamless end-to-end shopping journeys.Key Competencies:<ul><li>Customer-First Mindset: Dedicated to delivering frictionless digital experiences</li><li>Systems Thinking: Able to visualize and troubleshoot complex multi-service interactions</li><li>Communication &amp; Collaboration: Partners effectively across engineering, product, operations, and marketing</li><li>Proactive Ownership: Anticipates issues, improves processes, and drives reliability</li><li>Adaptability: Thrives in a fast-paced omnichannel environment with evolving priorities</li></ul>READ FULL DESCRIPTIONResponsibilities<ul><li>Maintain and monitor eCommerce, loyalty, and digital operational platforms to ensure high performance, uptime, and reliability</li><li>Provide Tier 2nd support for customer-facing systems, addressing issues related to catalog, pricing and promotions, personalization, loyalty points, identity, checkout, and digital content</li><li>Collaborate with DevOps, Product Owners, and vendor partners to resolve platform incidents and prevent customer-impacting disruptions</li><li>Support the operation of complex microservice-based architectures, including API gateways, service meshes, and containerized deployments</li><li>Understand service dependencies and use observability tools to diagnose performance bottlenecks or failure patterns across the digital ecosystem</li><li>Assist with rollout, testing, and validation of new microservices, integrations, and platform enhancements</li><li>Monitor and support streaming pipelines (e.g., Kafka) used for real-time events such as cart updates, orders, promotions, personalization, and loyalty transactions</li><li>Have good understanding of relational database operations (e.g., Postgres, MySQL, SQL Server), including query optimization, data validation, and issue diagnosis</li><li>Assist with schema changes, replication monitoring, and performance tuning across production and pre-production databases</li><li>Partner with engineering teams to ensure data integrity across APIs, services, and downstream systems</li><li>Knowledge of scripting language (e.g., HTML, Java) would be considered an asset</li><li>Support and maintain system integrations across digital platforms, loyalty engines, store systems, and enterprise applications</li><li>Troubleshoot API failures, latency issues, and payload-level anomalies in REST, SOAP, GraphQL, event-driven, and batch integrations</li><li>Ensure integrations follow best practices for security, scalability, and fault tolerance</li><li>Enhance monitoring, logging, and alerting across digital and loyalty systems using APM and observability tools</li><li>Participate in on-call rotation for critical digital platforms</li><li>Contribute to root cause analysis and long-term reliability improvements</li><li>Serve as a key technical liaison between engineering, business digital operations, loyalty, marketing, and customer support teams</li><li>Communicate technical issues in a clear and actionable manner, helping stakeholders understand operational impacts and timelines</li><li>Document platform behavior, system flows, operational playbooks, and troubleshooting guides</li></ul>Requirements<ul><li>Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent practical experience</li><li>Strong technical knowledge of relational databases and proficiency with SQL</li><li>Solid understanding of microservices architecture and distributed systems</li><li>Experience with streaming platforms (Kafka)</li><li>Familiarity with API technologies (REST, GraphQL, SOAP) and integration patterns (synchronous, asynchronous, event-driven, batch)</li><li>Hands-on experience with observability &amp; monitoring (Datadog, New Relic, Splunk, Grafana, ELK, etc.)</li><li>Strong analytical and diagnostic skills with the ability to resolve complex system issues</li><li>Excellent communication skills with the ability to collaborate across technical and non-technical teams</li><li>Fluent speaking in English</li></ul>Nice to have<ul><li>Experience in eCommerce, retail, digital loyalty programs, or high-scale customer-facing platforms</li><li>Knowledge of cloud technologies (AWS, Azure) and container orchestration (Kubernetes)</li><li>Understanding of modern CI/CD pipelines and DevOps practices</li><li>Experience with digital identity systems (OAuth, SSO, identity providers, token-based authentication)</li><li>Familiarity with edge platforms (CDN, WAF, caching strategies)</li></ul>We offer/BenefitsFor your comfortable work:<ul><li>Remote and hybrid work opportunities</li><li>Option to work from our centrally located office in Athens</li><li>Corporate laptop provided</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (264€/year)</li><li>Monthly public transportation card</li></ul>For your growth:<ul><li>Global and diverse client portfolio, large-scale projects, and trendy technologies</li><li>Diverse multicultural, multi-functional, and multilingual work environment</li><li>Opportunity to contribute to internal and open-source products</li><li>Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey</li><li>Possibility to create a Personal Development Plan from the first day in the company</li><li>Numerous opportunities for self-development: hard &amp; soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries</li><li>Certification opportunities</li><li>Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities</li><li>Language courses</li></ul>

Platform Engineer – eCommerce & Digital Operations

SCYTALYS&nbsp;is currently for&nbsp;Principal Capability Architect&nbsp;responsible for&nbsp;making&nbsp;software delivery faster, safer, and more efficient for Scytalys mission systems. These systems support command and control, intelligence, surveillance, tactical communications, data sharing, and system compatibility for international and NATO customers.The Principal Capability Architect is the enterprise technical authority for SCYTALYS’ products and solution portfolio. You will own the end-to-end architecture (platform, products, solutions) that underpins C2/C4ISR and Tactical Data Link (TDL) capabilities—ensuring interoperability, scalability, cyber-hardening, and rapid delivery across programs. You will set technical guardrails, lead key design decisions, and coach teams to deliver world-class, mission-ready systems.Enterprise &amp; Product Architecture<ul><li>Own the SCYTALYS Capability Architecture for product lines, platforms, runtime deployments (edge/airborne/naval/ground/command centres).</li><li>Define, develop and maintain Reference Architectures for C2/C4ISR solutions and tactical data link (TDL) gateways.</li><li>Govern system qualities: reliability, latency, availability in denied environments, cyber resilience, safety (airborne contexts), and exportability.</li></ul>Interoperability &amp; Data Links<ul><li>Architect multi-link interoperability (e.g., Link-11/16/22, JREAP), including national sovereign link strategies and translation/forwarding via modular TDL processors. &nbsp;</li><li>Specify schema and ontologies for tactical objects/tracks, metadata normalization, and de-duplication across heterogeneous inputs (sensors, comms, ISR feeds).</li><li>Oversee test &amp; validation against coalition test suites and customer acceptance criteria (lab/field/T&amp;E).</li></ul>Platform &amp; Software Engineering<ul><li>Drive MBSE (e.g., SysML), architecture decision records, and non-functional requirements budgeting (latency, throughput, SWaP-C).</li><li>Lead and deliver architectural activities, threat modelling, and performance tuning; unblock product / solution engineering teams.</li><li>Set technology choices for real-time and near-real-time services, middleware, containerization where appropriate, and edge deployments with intermittent connectivity.</li><li>Lead newer technology development activities.</li><li>Drive DevOps and DevSecOps mindset.</li></ul>Cybersecurity &amp; Compliance<ul><li>Institute safety and security-by-design: crypto interfaces, key management integration, hardening baselines (e.g., ISO/IEC 27001, NIST 800-53/171, IEC 62443), secure coding, and supply-chain controls.</li><li>Ensure designs respect export control constraints and customer security classifications.</li></ul>AI/ML Integration<ul><li>Define/support insertion points for AI/ML initiatives.</li></ul>Customer, Partner &amp; Ecosystem Leadership<ul><li>Serve as technical face of architecture with key customers and partners. &nbsp;</li><li>Engage with radios, terminals, and platform OEMs to ensure end-to-end fit.</li><li>Contribute to standards, demos and trials.</li></ul>Governance &amp; People<ul><li>Chair the Architecture Review Board, set coding/quality bars, and mentor internal staff.</li><li>Drive reuse and productization (shared services, SDKs, integration kits) to accelerate delivery and reduce lifecycle cost.</li><li>Partner with Program, Product, and QA/IV&amp;V leads to land releases on time with quality.</li></ul>Required Experience<ul><li>10+ years in systems/software architecture for mission or safety-critical C2/C4ISR, comms, or defense platforms; 3+ years leading cross-functional architecture teams.</li><li>Proven delivery of interoperable tactical systems (track/cue/engagement workflows, COP, sensor fusion) and multi-TDL gateways. &nbsp;</li><li>Hands-on depth in at least three of: real-time distributed systems, data fusion/track correlation, geospatial services, message brokering, edge computing, waveform/terminal integration, or airborne/naval mission systems.</li><li>Strong familiarity with TDL protocols and gateway patterns; understanding of sovereign link concepts and NDL design trade-offs. &nbsp;</li><li>Cybersecurity for defense systems (threat models, hardening, secure comms, crypto interfaces) and experience operating under classified environments.</li><li>Excellence in MBSE, interface control, requirements decomposition, and non-functional requirements management.</li></ul>Desirable Experience:<ul><li>Knowledge of relevant NATO STANAGs and industry specs commonly used in C4ISR</li><li>Airborne software/safety exposure and secure avionics.</li><li>Experience with AI/ML in ISR/C2 contexts and secure MLOps.</li><li>Working knowledge of export controls and international defense program delivery.</li></ul>Core Competencies<ul><li>Systems Thinking &amp; Pragmatism: balances elegant design with field realities (EW, GNSS-denied ops, contested spectrum).</li><li>Leadership &amp; Influence: mentors deeply technical teams; gains trust of customers and certifiers.</li><li>Communication: crisp specs and design write-ups; confident external representation.</li><li>Delivery Discipline: evidence-based decisions, measurable architecture fitness functions, steady program cadence.</li></ul>Tools &amp; Tech (experience with several is highly desirable)<ul><li>Languages: C/C++, Java/Kotlin, C#, Python (for tooling).</li><li>Middleware &amp; data: DDS, gRPC, message buses, time-series/graph stores, geospatial DBs, protobuf/ASN.1.</li><li>Platforms: Linux, embedded RTOS, containerized edge, virtualization.</li><li>Engineering: SysML/UML, Cameo/Capella, Git, CI/CD, IaC, static/dynamic analysis, fuzzing, SIL/HIL test.</li></ul>Education &amp; Clearance<ul><li>MSc / PhD in Computer Science, Electrical/Computer Engineering, or related; PhD a plus.</li></ul>

Principal Capability Architect

Digital transformation is a continuous journey, not a once off-event. It needs to be nurtured and grown by talented people who experiment, fail and learn fast and innovate at pace. Currently NN Hellas has several subscriptions in Azure with VMs in them. Under the scope of this project is the redeployment of the existing infrastructure using Terraform and CI/CD pipelines.Your day-to-day:<ul><li>Design, deploy and support the Azure landing zone with Infrastructure as Code principles and tools (such as Terraform, PowerShell, Azure DevOps).</li><li>Maintain the Azure cloud network (connection to on-premises, subscription interconnectivity and firewall).</li><li>Develop standardized building blocks through Terraform.</li><li>Show, demonstrate and document cloud solutions and services for customers.</li><li>Collaborate with (international) engineers from both NN Group and NN Hellas.</li><li>Follow the Agile and DevSecOps way of working.</li></ul>Qualifications:<ul><li>Azure: Azure VMs, Azure Networking, Log Analytics, Azure Automation, Azure Active Directory, other required supporting Azure PaaS services like Key Vaults, PaaS databases, Storage Accounts.</li><li>Azure DevOps: Git Repos, Pipelines.</li><li>Terraform</li><li>Scripting: PowerShell</li><li>Windows: Solid Administration experience</li></ul>Personal Profile:<ul><li>Excellent oral and written communication skills.</li><li>Learning skills.</li><li>Attention to detail.</li><li>Stress tolerance.</li><li>Team player.</li><li>Ability to handle multiple tasks concurrently.</li><li>Excellent organizational / time management skills.</li><li>Security oriented.</li></ul>What we offer:<ul><li>Extensive training opportunities - on-demand and on-site options</li><li>Partnership with multiple educational institutions across Greece for advanced education, with tuition support</li><li>Comprehensive Health Insurance that keeps you safe, with peace of mind and financial protection in times of need</li><li>Pension Scheme to secure your financial future</li><li>Well-being and work-life balance</li><li>One-time budget for home-office equipment to make your work-from-home comfortable</li><li>Recognition and rewards for excellence</li><li>Monthly meal allowance</li><li>Recently renovated offices, central location, with easy access</li></ul>

DevOps Engineer

We are seeking an experienced&nbsp;Cyber Security Engineer&nbsp;on behalf of our client.&nbsp;The&nbsp;ideal&nbsp;candidate&nbsp;combines&nbsp;technical&nbsp;expertise&nbsp;in&nbsp;penetration&nbsp;testing&nbsp;and&nbsp;industrial&nbsp;protocols&nbsp;with&nbsp;a&nbsp;solid&nbsp;understanding&nbsp;of&nbsp;security&nbsp;standards&nbsp;and&nbsp;risk&nbsp;assessment&nbsp;methodologies.&nbsp;You&nbsp;will&nbsp;play&nbsp;a&nbsp;key&nbsp;role&nbsp;in&nbsp;the&nbsp;technical&nbsp;coordination&nbsp;of&nbsp;projects,&nbsp;collaborating&nbsp;with&nbsp;multidisciplinary&nbsp;teams&nbsp;and&nbsp;vendors&nbsp;to&nbsp;enhance&nbsp;the&nbsp;cybersecurity&nbsp;posture&nbsp;of&nbsp;critical&nbsp;infrastructure&nbsp;systems.&nbsp;Your Day-to-Day<ul><li>Requirements&nbsp;analysis,&nbsp;design,&nbsp;and&nbsp;review&nbsp;of&nbsp;cybersecurity&nbsp;implementations&nbsp;in&nbsp;Operational&nbsp;Technology (OT)&nbsp;environments.</li><li>Risk assessment&nbsp;and evaluation of cybersecurity threats in OT systems.</li><li>Technical coordination&nbsp;of cybersecurity projects.</li><li>Preparation&nbsp;of technical documentation, reports, and proposals.</li><li>Participation&nbsp;in working groups and evaluation of technical proposals from vendors.</li></ul>&nbsp;Your Key Strengths<ul><li>Bachelor’s degree&nbsp;in Electrical and Computer Engineering, Mechanical Engineering, Mining Engineering, Applied Sciences, Computer Science, or related field.</li><li>Master’s degree&nbsp;and/or high-level certifications in:&nbsp;Network and Information Systems Security, Cybersecurity, Digital Forensics, ICS Security (e.g. SANS)</li><li>Minimum 2 years of experience in the deployment, configuration, or supervision of industrial environments and processes, with hands-on familiarity with ICS/SCADA systems.</li><li>Minimum 1 year of experience&nbsp;conducting Penetration Testing, specifically in industrial environments.</li><li>Experience with&nbsp;OT Threat Detection platforms.</li><li>Familiarity&nbsp;with&nbsp;industrial&nbsp;communication&nbsp;protocols&nbsp;such&nbsp;as:&nbsp;Modbus,&nbsp;Profibus,&nbsp;Profinet,&nbsp;OPC-UA,&nbsp;IEC&nbsp;61850</li><li>Proficient in Penetration Testing&nbsp;and Vulnerability Management tools. </li><li>Understanding and application of security standards such as:&nbsp;IEC 62443, ISO 27019, NIST SP 800-5</li><li>Strong communication skills&nbsp;and ability to work effectively in an international and multidisciplinary environment. </li></ul>&nbsp;Why Join Them?💸&nbsp;Competitive salary package.💻&nbsp;Career coaching and mentorship&nbsp;to support your professional growth.🌈&nbsp;Diverse and multicultural teams&nbsp;that promote inclusivity.🦄&nbsp;Outstanding working environment.🚀&nbsp;Continuous training and development opportunities.&nbsp;Eager to Join Them?Jump in and apply today—we’re excited to see what you can bring to the team! 🚀

Cyber Security Engineer

Are you fascinated by how people interact with digital products? Do you love uncovering insights that shape delightful user experiences? If you're nodding along, we want you on our team! We're on the lookout for a UX Researcher to help us deeply understand our users and design experiences that truly resonate.&nbsp;Your Day-to-Day<ul><li>Planning and conducting user research studies (interviews, surveys, usability testing, field research, etc.)</li><li>Analyzing findings and transforming data into actionable insights</li><li>Collaborating closely with designers, product managers, and developers to shape user-centered solutions</li><li>Advocating for the voice of the user across the product lifecycle</li><li>Presenting findings in a clear, engaging way to stakeholders</li></ul>&nbsp;Your Key Strengths<ul><li>3+ years of experience in UX research or related field</li><li>Proficiency in qualitative and quantitative research methods</li><li>Strong communication and storytelling skills</li><li>Ability to synthesize complex data into simple, compelling insights</li><li>A team player who’s curious, empathetic, and detail-oriented</li></ul>&nbsp;Why You’ll Love Working with Us &nbsp;🍽️ Lunch is On Us: Monthly allowance to fuel up with your favorite meals. &nbsp;🏥 Health First: Private health and life insurance—because your well-being matters. &nbsp;💻 Gadgets Galore: Get your own laptop and a phone plan to keep you connected. &nbsp;📚 Learn Without Limits: Unlimited access to Udemy and all the training you need to grow and thrive. &nbsp;🚀 Career Rocket Fuel: Personalized coaching and mentorship to level up your skills and hit your career goals. &nbsp;🎯 Work with the Best: Step up your game by collaborating with industry-leading clients. &nbsp;🌈 Celebrate Diversity: Join a team that values and thrives on different perspectives.💸Performance pays off: Annual discretionary bonus based on your contributions throughout the year. &nbsp; &nbsp;&nbsp;Eager to Join Us? Jump in and apply today—we’re excited to see what you can bring to our team!&nbsp;

UX Researcher

What you’ll do• &nbsp; &nbsp;Devise services solutions &amp; design for IP Backhaul &amp; Access considering network evolution and future-proofness across the European Region • &nbsp; &nbsp;Introduce service performance dimensioning and KPI guidelines for the access and backhauling and track related service performance KPIs • &nbsp; &nbsp;Define QoS objectives and parameterization in IP Access and Backhaul network segment as part of a harmonized &amp; optimized End to End QoS concept • &nbsp; &nbsp;Optimize Service performance through E2E alignment of Transmission and Transport design &amp; use of best practices • &nbsp; &nbsp;Assess security compliance of IP Access &amp; Backhaul NW acroos the European Region and provide recommendations/support plan definition to fill the gaps • &nbsp; &nbsp;Drive the introduction of SDN in relevant network segments• &nbsp; &nbsp;Alignment with network technology strategy and architecture, as well as efficient adaptation to local needs and requirements of local markets. Liaise with vendors and with other functions of Vodafone, to drive the evolution and design of Services in the markets in scope • &nbsp; &nbsp;QoS objectives and parameterization in Transmission (Microwave) and Transport network as part of a harmonized &amp; optimized End to End QoS concept • &nbsp; &nbsp;Service optimization through E2E alignment of Transmission (Microwave) &amp; transport design &amp; use of best practices • &nbsp; &nbsp;Performance KPIs for Access and Backhaul Network Segment • &nbsp; &nbsp;Assess compliancy of the networks with Security GuidelinesWho you are• &nbsp; &nbsp;University degree in Computer Science or Electrical engineering. MSc Telecommunications – preferred. • &nbsp; &nbsp;5 years of professional experience in the telecom industry • &nbsp; &nbsp;Professional certificated (e.g. CCNP, CCIE) will be an advantage Deep knowledge of IP Access &amp; Backhaul technologies &amp; architectures (routers/mw) • &nbsp; &nbsp;Knowledge of techniques to secure services and Infrastructure • &nbsp; &nbsp;Experience in deploy and optimize SDN solutions • &nbsp; &nbsp;Able to challenge given solutions and identify innovation opportunities • &nbsp; &nbsp;Able to understand &amp; interact in both business &amp; technical domains, capturing customer requests and adopting design accordingly • &nbsp; &nbsp;Able to engage markets in collaboration on technical topicsNot 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• &nbsp; &nbsp;Award-winning work environment -certified #1 Top Employer in Greece • &nbsp; &nbsp;Competitive pay, bonus &amp; remuneration package • &nbsp; &nbsp;Private Health &amp; Medical Insurance&nbsp; • &nbsp; &nbsp;Hybrid way of working: a blend of remote and office-based working, including the option to work from abroad • &nbsp; &nbsp;Unlimited connectivity with our mobile, landline and Vodafone TV services – Experience first what our customers love • &nbsp; &nbsp;Unlimited access to learning resources and trainings • &nbsp; &nbsp;Vodafone Parental Leave: 16 weeks of fully paid parental leave to all employees regardless of gender, sexual orientation or length of service&nbsp; • &nbsp; &nbsp;Remote work equipment to help you create a comfortable, ergonomic workspace at home&nbsp; • &nbsp; &nbsp;Spirit of Vodafone days: dedicated time to pause, develop new skills and connect with our teams, values and services • &nbsp; &nbsp;Extra days off: Vodafone Day, Family Day, Volunteering Day&nbsp; • &nbsp; &nbsp;Office amenities (subject to the office location): such as restaurant, beauty corner, gym and parking • &nbsp; &nbsp;Special employee offers and discountsts

Senior IP Design & Optimization Engineer

NTT Data Greece&nbsp;is looking for a Virtualization Specialist - to join our International Organisations team.Your role:<ul><li>Design, configure, and deploy on-premises virtualized environments based on VMware vSphere and Horizon.</li><li>Implement, monitor, and optimize DRS, HA, and vMotion configurations.</li><li>Design, configure, and deploy Windows Server virtual machines, ensuring their availability, performance, and security.</li><li>Collaborate with international technical teams on the planning and execution of infrastructure initiatives.</li><li>Document procedures, best practices, and technical configurations.</li><li>Contribute to continuous improvement and infrastructure automation initiatives.</li></ul>We value a&nbsp;collaborative&nbsp;and&nbsp;supportive&nbsp;environment, celebrating&nbsp;curiosity&nbsp;and&nbsp;engagementWe are committed to supporting the physical, financial and emotional well-being our of employeesCareer development.&nbsp;Training path and access to learning opportunities, yearly performance reviews and a mentorship programWe believe in&nbsp;work-life balance&nbsp;and&nbsp;flexibility.&nbsp;Wear casual clothing, decide your working hours and enjoy our&nbsp;hybrid&nbsp;working modelWear casual clothing, decide your working hours and enjoy our hybrid working modelTalent Friends.&nbsp;Refer a friend and receive a&nbsp;bonus&nbsp;when they joinWe care about youHealth &amp; well-being.&nbsp;Focus on your mental health with access to a platform with certified psychologists &amp; mental health workshops. Take a break with one of our online fitness and well-being sessionsDiversity &amp; inclusion.&nbsp;We are committed to equal employment opportunities regardless of gender, gender expression and identity, sexual orientation, religion, culture, origin, disability, age, or other personal and social characteristics.&nbsp;#WeAreAllUnique&nbsp;#YouMakeUsUniquePlease let us know if you require us to accommodate any accessibility needs during the recruitment process.Benefits at NTT DATA GreeceHealth insurance for the employee and one dependent family member (100% paid by NTT DATA)Meal vouchers of 120€ per month (x12)Corporate mobile phone: subscription &amp; deviceTeleworking equipment allowanceUdemy AccountAccess to Open Up mental health service&nbsp;28 days of paid annual leave consisting of your legal holidays and compensation daysYour profile:<ul><li>Experience 3-5 years in Systems Administration, deploying and managing enterprise-level high availability virtualized environments.</li><li>Advanced knowledge of VMware vSphere, Horizon, Windows Server, as well as DRS, HA, and vMotion.</li><li>Strong expertise in Windows Server administration.</li><li>Previous experience working with on-site infrastructure.</li><li>Fluency in English (written and spoken) is required; proficiency in any other European language is a plus.</li><li>You must be eligible for EU Security Clearance (at least 5 years of EU nationality in required).</li><li>Availability to travel occasionally to Strasbourg (on client premises)</li></ul>Nice to have:<ul><li>Technical certifications in VMware (VCP, VCAP) or Microsoft.</li><li>Experience in large-scale infrastructure transformation or modernization projects.</li><li>Additional knowledge in networking, storage, or automation (PowerShell, Ansible, etc.).</li></ul>

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