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We are seeking a&nbsp;Senior Data Software Engineer&nbsp;to join our Data &amp; Analytics team, focusing on utilizing cloud-native technologies in our Microsoft Azure environment.You will be pivotal in processing large volumes of financial data, innovating to enhance scalability, reduce processing latency, and increase processing transparency. The ideal candidate will be involved in every stage of the development lifecycle, from engineering robust solutions to collaborating with business partners and supporting operations.The remote option applies only to the Candidates who will be working from any location in Greece.Responsibilities<ul><li>Develop and maintain high-stability, performant solutions within the Microsoft Azure environment</li><li>Utilize Databricks, Azure DevOps, Delta Lake tables, and spark structured streaming in project implementations</li><li>Collaborate with business partners and IT experts to understand requirements and shape solutions</li><li>Participate in code reviews to ensure software quality</li><li>Ensure accurate and up-to-date documentation of processes and solutions</li><li>Support operations team in addressing complex problems</li><li>Improve and maintain data processing pipelines used in financial data analysis</li><li>Break down complex requirements into achievable tasks</li><li>Ensure solutions are effectively tested and aligned with business needs</li></ul>Requirements<ul><li>At least 3 years of experience in Data Software Engineering</li><li>Proven core Python software engineering skills, ideally in a finance data context</li><li>Proficiency in Apache Spark and familiarity with Delta Lake tables</li><li>Strong background in relational data models and SQL</li><li>Experience using automated testing to ensure software quality</li><li>Strong analytical skills with the ability to manage complexity</li><li>Self-driven and proactive in addressing issues and opportunities</li><li>Fluent in English with effective collaboration skills in both in-person and remote settings</li><li>Competency in working within a Cloud-native environment, specifically with Microsoft Azure technologies</li><li>Ability to work onsite approximately 3 days per week</li></ul>Nice to have<ul><li>Experience in Lakehouse architecture</li><li>Understanding of low latency processing mechanisms</li><li>Prior exposure to financial data processing systems</li></ul>We offer<ul><li>For you:<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>Option to work on your own device</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (additional benefit card from Edenred of 22€ per month (264€ per year)</li><li>Monthly transportation card for those located in Athens to use public transportation to visit the office and/or clients</li></ul></li><li>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></li></ul>EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest.

Senior Data Software Engineer

Our Client is seeking a visionary Senior Java Developer to serve as the Technical Lead and Architectural Owner for their mission-critical C4I system backend server. The ideal candidate will possess deep expertise in Java 11+, Spring Boot, and Microservices architecture, coupled with a proven track record in designing resilient, high-volume, low- latency systems. This role is responsible for governing the security, scalability, performance, and data integrity across the entire server ecosystem, including complex spatial and real-time data integration.Key Responsibilities: • System Architecture &amp; Resilience: Architect and lead the implementation of a scalable microservices architecture using Spring Boot, ensuring high availability and fault-tolerance. • Data Architecture &amp; Governance: Own the design and optimization of the core data layers, including developing strategies for MongoDB sharding and replication for high volume data, and defining the caching strategy using Java cache or Redis. • Multi-Protocol Integration Design: Define and govern the secure implementation of all client-server communication protocols, including high- throughput, low-latency communication via WebSocket and secure RESTful API contracts. • Security Strategy &amp; Data Integrity: Design and enforce comprehensive security measures using Spring Security, including defining policies for OAuth2/JWT access control, API security hardening, and mandating data integrity controls (e.g., audit trails, strong validation rules) for mission-critical data. • Complex External Integration: Architect and oversee the integration with critical external systems and specialized services (e.g., GeoServer integration via PostGIS), ensuring data synchronization, format translation, and system reliability across boundaries. • CI/CD and Deployment Governance: Own the operational adherence to Continuous Integration/Continuous Deployment (CI/CD) practices. This includes ensuring deployment automation, defining infrastructure-as-code requirements, and maintaining the stability and security of the production environment. • Technical Leadership &amp; Mentorship: Provide high-level technical guidance, mentor mid-level engineers in core Java concepts (concurrency, multi-threading), and enforce rigorous coding and design standards across the team.Qualifications: • Experience: Minimum of 5+ years of commercial experience in Java development, with 3+ years leading complex Spring Boot/Microservices projects. • Core Technology Mastery: Expert proficiency in Java 11+, Spring Boot, and designing scalable enterprise-level applications. • Data Expertise: Deep experience designing, optimizing, and maintaining MongoDB and utilizing Redis for caching, message brokering, and high-performance throughput. • Security &amp; Architecture: Proven ability to architect secure systems, experience with Spring Security, JWT/OAuth2, and a solid understanding of distributed transaction management. • Concurrency: Strong knowledge of multi-threading and concurrency concepts in Java. • Soft Skills: Exceptional communication, leadership, and architectural problem-solving skills with the ability to define technical solutions from ambiguous requirements.Benefits PackageThey are committed to investing in the well-being, professional growth, and overall satisfaction of their team members. As part of their benefits package, they offer:• Performance Bonus: Receive a performance-based bonus calculated as a percentage of your annual salary, rewarding your contributions and success. • Private Health Insurance: Comprehensive private health insurance coverage to safeguard your health and peace of mind. • Learning &amp; Development Budget: Access a dedicated budget for online courses, certifications, and professional development programs to support your continuous learning journey. • Vouchers &amp; Discounts: Enjoy vouchers for essential goods, services, and recreational activities to enhance your lifestyle. • Multifaceted Knowledge &amp; Internal Training: Take part in internal training programs designed to provide a holistic understanding of their business and industry. They emphasize cross-functional learning to empower you with diverse skills and knowledge.

Senior Java/Spring Boot Lead Engineer (Backend Architect)

EPAM is looking for a skilled&nbsp;Senior Palantir Data Engineer&nbsp;to join our growing global team of data engineering professionals. This is an exciting opportunity to work on cutting-edge Data Transformation projects that utilize Big Data and Machine Learning to solve emerging challenges in the Property &amp; Casualty business domain.If you’re eager to apply your expertise in Python/PySpark, SQL and Palantir to design and implement complex data pipelines while collaborating with a multicultural and dynamic team, we’d love to hear from you!The remote option applies only to the Candidates who will be working from any location in Greece. #LI-DNI#LI-YAROSLAVADIAKOVAResponsibilities<ul><li>Lead the design and implement robust, large-scale data pipelines and analytics solutions</li><li>Oversee the monitoring and optimization of data pipelines for performance and scalability using advanced tools and techniques, including Python/PySpark and structured query languages</li><li>Optimize data workflows to support critical decision-making processes</li><li>Harness state-of-the-art tools and technologies (including Palantir Foundry) to address new and emerging business challenges</li><li>Partner with cross-functional and globally distributed teams (e.g., data scientists, analysts, business stakeholders) to align project goals and execution strategies</li><li>Contribute to a global strategic initiative focused on enhancing the ability to make data-driven decisions across the Property &amp; Casualty value chain</li><li>Stay ahead of emerging technologies and trends (e.g., Generative AI, Machine Learning) and recommend potential applications in the data ecosystem</li></ul>Requirements<ul><li>Bachelor’s degree (or equivalent) in Computer Science, Data Science or a related discipline</li><li>5+ years of experience working with large-scale distributed computing systems</li><li>Proficiency in Python/PySpark to build and optimize complex data pipelines</li><li>Hands-on experience working with Databricks for large-scale data processing and analytics</li><li>Strong SQL skills (preferably Spark SQL) for data querying and manipulation</li><li>Deep understanding of data warehousing concepts and ELT techniques</li><li>Experience with Palantir Foundry is a must</li><li>Familiarity with Agile and Scrum development methodologies</li><li>Strong analytical and problem-solving skills</li><li>Self-starter with a positive outlook and an eagerness to learn</li><li>Self-direction and effective workload management</li><li>Ability to work enthusiastically in a global and multicultural environment</li><li>Strong interpersonal and communication skills, including clear written and verbal expressions in complex contexts</li></ul>Nice to have<ul><li>Knowledge of HTML, CSS, JavaScript and Gradle</li><li>Experience in the insurance domain or the financial industry</li><li>Familiarity with Microsoft Power BI</li><li>Exposure to Machine Learning or Generative AI technologies</li></ul>We offer<ul><li>For you:<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>Option to work on your own device</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (additional benefit card from Edenred of 22€ per month (264€ per year)</li><li>Monthly transportation card for those located in Athens to use public transportation to visit the office and/or clients</li></ul></li><li>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></li></ul>EPAM strives to provide its global team of over 61,700 professionals in more than 55 countries with opportunities for professional growth from day one of collaboration. Our colleagues are the source of EPAM's success, so we value cooperation, strive to always understand our clients' business and aim for the highest quality standards. No matter where you are, you will join a dedicated, diverse community that will help you realize your potential to the fullest

Senior Palantir Data Engineer

We are seeking motivated and talented professionals to join our highly skilled teams. As a Senior Back End Developer at Q&amp;R S.A., you will be responsible for designing, developing, and maintaining high-quality backend services for large-scale enterprise projects. You will collaborate with cross-functional teams (e.g., Front-End, BA-QA) and leverage modern development practices such as AI-driven automation to streamline workflows, enhance code quality, and deliver robust solutions efficiently.Key Responsibilities:<ul><li>Architect, develop, and maintain Java-based services using Spring Boot and related frameworks.</li><li>Implement scalable and modular solutions, including reusable libraries/modules for various business needs</li><li>Write clean, efficient, and secure code following best practices and organizational standards.</li><li>Enforce peer code reviews and pull request checks to ensure clean, maintainable, and secure code</li><li>Integrate with tools (e.g., SonarCube) for continuous code quality checks, monitoring technical debt, and identifying vulnerabilities</li><li>Collaborate on effective database strategies (e.g., Oracle, Postgres) for query optimization</li><li>Use database-specific analysis tools to refine queries, create indices, and ensure high performance</li><li>Manage schema changes following best practices to minimize downtime and maintain data integrity</li><li>Leverage AI tools to automate repetitive tasks (e.g., code generation, technical documentation)</li><li>Contribute to a growing knowledge base (e.g., Confluence), applying best practices where relevant</li><li>Implement unit tests (e.g., JUnit, Mockito) for critical workflows, adhering to TDD principles</li><li>Ensure smooth integration of automated tests in CI/CD pipelines to detect and resolve issues early</li><li>Support Front-End developers interested in expanding to Back-End skills, providing guidance and mentorship</li><li>Participate in daily stand-ups, retrospectives, and knowledge-sharing sessions to foster a collaborative environment</li><li>Coordinate product releases with internal teams, ensuring alignment with security and compliance standards</li><li>Troubleshoot and resolve technical issues promptly to maintain high system reliability</li></ul>Required Qualifications:<ul><li>Bachelors degree in Computer Science or a related field (or equivalent professional experience)</li><li>7+ years of work experience in backend development with Java (11, 17+) and Spring Boot (including Spring Data, Spring Security), SQL (Oracle or Postgres) with proven query optimization and indexing techniques, ORM frameworks (JPA/Hibernate), Testing frameworks (JUnit, Mockito), Build Tools (e.g., Maven) and Version Control (Git), Object-Oriented Design, Design Patterns, and robust API design</li></ul>Desired Qualifications:<ul><li>Masters degree in Computer Science or a related field</li><li>Familiarity with Azure, AWS, or Google Cloud for scalable application deployment</li><li>Experience with Kafka, RabbitMQ, or similar technologies</li><li>Understanding of securing deployments, endpoint security, and ACMS</li><li>Exposure to AI-driven documentation or code generation tools</li><li>Agile or Scrum for iterative development</li><li>Exposure to TRIZ for structured problem-solving</li><li>Basic familiarity with ReactJS (or other frameworks) is a plus for broader collaboration</li><li>Knowledge of Jenkins, Bitbucket Pipelines, or similar automation pipelines</li></ul>Personal Attributes:<ul><li>Analytical Mindset: Strong problem-solving abilities and attention to detail</li><li>Team Player: Excellent communication and collaboration skills, including mentoring junior developers</li><li>Proactive &amp; Organized: Ability to prioritize tasks and execute effectively under deadlines</li><li>Adaptability: Willingness to explore new technologies and approaches that improve overall project outcomes</li><li>Continuous Learner: Eagerness to leverage courses and certifications (including AI/LLM-focused) for professional growth</li></ul>What is there for you<ul><li>We want our people to be well compensated, so we offer an attractive salary package</li><li>Health is the most important asset, so we have you secured with a health insurance and compilation plan from day one</li><li>We are excited for challenges, so you are invited to take part in exciting, innovative projects that make a difference</li><li>We never stop learning and evolving! We encourage our people to follow the pace by providing them voucher for Training Courses, so that they adapt new tech skills and develop their soft skills</li><li>Most important, we work as a team, so we gather on a smaller and bigger occasions to celebrate good times together! Happy Fridays, bowling sessions, running events and everything that help us have fun and enjoy working to our team</li></ul>

Senior Backend Developer [BET_06]

Junior Quality Engineer What Impact will you make?&nbsp; #YourOpportunity&nbsp; At Deloitte, the spirit of the excellence is part of our DNA. We strive to hire the brightest minds from all around the globe, allowing us to excel in both long-term strategic thinking and business improvement implementation as the undisputed global leader in professional services. We are committed to delivering impacting results for diverse private and public organization clients, linking our peerless talent in audit with unrivalled opportunities for impact – committing ourselves to sustainable growth and investment in our employees’ development and inclusion along the way. Our culture is rooted in profound shared values. Our values guide us as we live our purpose to serve our clients with quality and distinction, inspire our people to work collaboratively to deliver value, actively contribute to society, and lead the profession by challenging ourselves to do what matters most. Deloitte’s values are what unite us across cultures and geographies, and ultimately help us earn the trust and respect of our people, clients, and society. We believe that our differences enable us to #makeanimpactthatmatters. #YourRoleYour role as a Quality Engineer will focus on supporting the design, execution, and documentation of software tests to ensure the stability and quality of digital products and enterprise systems. You will begin by contributing to functional and exploratory testing activities, while progressively building your skills and exposure to test automation tools and techniques.This is an excellent opportunity for early-career professionals with strong analytical thinking, attention to detail, and a genuine interest in growing within the Quality Engineering craft. You will also gain exposure to modern testing practices that leverage Generative AI tools to enhance productivity and creativity in testing. During your tenure, your key responsibilities will involve:<ul><li>Test Design &amp; Execution: Contribute to the creation and execution of test cases for functional, integration, and regression testing, based on business requirements and user stories.</li><li>Defect Reporting: Log and track issues in collaboration with developers and business analysts using tools such as Jira or Azure DevOps.</li><li>Exploratory Testing: Apply a critical-thinking approach to uncover edge cases and validate real-world user behavior.</li><li>Documentation &amp; Reporting: Maintain clear test documentation and contribute to test reports and knowledge bases.</li><li>Team Collaboration: Work closely with cross-functional teams including developers, analysts, and other QA engineers to understand system functionality and test coverage needs.</li><li>Learning Automation: Participate in team initiatives to learn automation testing tools and practices (e.g., Selenium, Cypress, Playwright), with mentorship from senior team members.</li><li>Exploring GenAI in Testing: Begin to explore the use of Generative AI tools (e.g., ChatGPT, GitHub Copilot) to assist in test case generation, data creation, and test script prototyping — with guidance from the team.</li></ul> #WinningRequirements&nbsp;To qualify for the role, you must have:<ul><li>Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.</li><li>Up to 2 years of experience in software testing or quality assurance.</li><li>Solid understanding of software development lifecycles and testing fundamentals.</li><li>Familiarity with issue tracking and test case management tools such as Jira, Xray, or TestRail.</li><li>Strong analytical thinking and attention to detail.</li><li>Excellent communication skills and ability to work effectively in a collaborative team environment.</li><li>A genuine interest in evolving toward test automation, with a willingness to learn relevant tools and scripting languages.</li><li>ISTQB Foundation certification will be considered a plus, as an indication of commitment to the quality discipline.</li><li>Experience in Financial Services (Banking and/or Insurance), Energy, Telecommunication or other relevant sectors will be considered a plus.</li><li>Military obligations fulfilled, where applicable.</li></ul>#AboutTechnology&amp;TransformationFive core competency areas make up our Technology &amp; Transformation service line:<ul><li>Cyber;</li><li>Engineering, AI &amp; Data;</li><li>Enterprise, Technology &amp; Performance;</li><li>Deloitte Digital;</li><li>Human Capital.</li></ul> We exist to solve complex problemsOur consultants are renowned for their straightforward approach to solving some of the world’s largest and most complex business challenges. Each member of our Consulting team is energized by the challenge a seemingly inscrutable problem presents. Our distinctiveness lies in our refusal to accept a problem at face value - we draw on the depth of our shared insight to ask the right questions, and it’s these questions that uncover answers - answers with impact.&nbsp; We are committed to collaborationOur role is to unlock potential for growth and innovation. We believe this requires real collaboration – with our own networks and with our clients. It’s why we commit to truly getting under the skin of our client’s needs, developing a full appreciation for their environment, goals and ambitions. We’re also unafraid to challenge.  In so doing, we build long-term and trusted affinities.&nbsp; We create long-term, sustainable impactWe often work hand-in-hand with our clients to help find the right solution and to help apply that solution. Our aim is to leave behind ambassadors who are equipped to continue the transformation we began. For us, it’s about embedding sustainable change, allowing the impact of our insight to be felt for a long time to come.&nbsp; WHY DELOITTEAt Deloitte, we create positively differentiated work experiences that enable our people to feel valued and achieve their full potential. We value difference, and embrace people with diverse backgrounds and thinking styles. Knowing that people work best in different ways, we are happy to discuss alternative arrangements if the working pattern you are looking for is not specifically indicated. ABOUT DELOITTEOur servicesDeloitte operates in Greece since 1975, as a member of one of the world’s largest professional services networks, Deloitte Touche Tohmatsu. With offices in Athens, Thessaloniki, Heraklion, Patras and Ioannina, Deloitte Greece employs more than 2,900 professionals.After 50 years of successful and dynamic presence in the Greek market, we bring an unmatched breadth and depth of expertise across audit and assurance, technology &amp; transformation, tax &amp; legal and strategy, risk &amp; transactions advisory services. Operating in a multidisciplinary model enables us to draw from a pool of world-class talent, identifying the ideal skillset for each project, and to collaborate across businesses, to solve the toughest, most challenging issues of our clients. It is with them that we have built a trusted relationship, by delivering innovative solutions and utilizing state-of-the-art tools and technologies across all industries- Consumer Products, Energy Resources &amp; Industrials, Financial Services, Life Sciences &amp; Health Care, Government &amp; Public Services, Technology, Media &amp; Telecommunications.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.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 through our expertise and professionalism.We value difference, with respect at the heart of our inclusive culture.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. 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 [1] 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 [2] 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 500g; companies. Learn how Deloitte's approximately 312,000 people make an impact that matters at [3] www.deloitte.com.This document and its contents are prepared solely for your use, and may not be reproduced, redistributed or passed on to any other person in whole or in part, unless otherwise expressly agreed with you. No other party is entitled to rely on this document for any purpose whatsoever and we accept no liability to any other party, who is provided with or obtains access or relies to this document.(c) 2025 Deloitte Central Mediterranean. All rights reserved.

Junior Quality Engineer

UNIC Athens, the University of Nicosia's academic and research base in Greece, combining internationally ranked teaching with state-of-the-art facilities, is seeking a Senior Campus Sensor &amp; Systems Operations Engineer&nbsp;to join its team.This role owns the on-campus hardware layer that feeds our data and AI platforms: antennas, receivers, environmental stations, cameras, radars, timing systems, and the on-prem servers that tie them together. You’re the person who makes sure “the machines are alive” and the data keeps flowing.The work is hands-on, rooftop and rack-level, plus enough Linux and networking to keep a small sensor observatory running smoothly.&nbsp;Responsibilities:&nbsp;Keep a campus-scale sensor observatory onlineMonitor health of diverse sensors: RF receivers, satellite downlinks, short-range radars, optical/IR cameras, acoustic arrays, seismic/structural, weather, and air-quality stations.Diagnose issues across power, RF signal, network, and compute layers; coordinate timely fixes.Maintain inventories, diagrams, and simple runbooks for each subsystem.Operate on-prem compute and storage nodesMaintain a small fleet of Linux servers dedicated to signal processing, media ingest, and sensor fusion.Handle OS updates, basic security hardening, disk/CPU monitoring, and log rotation.Work with central platform engineers to ensure data lands in the right queues/buckets/streams.Manage power, networking, and timing for sensorsOversee PoE switches, rooftop cabinets, UPS feeds, and basic environmental monitoring.Ensure reliable fibre/copper connectivity between rooftop cabinets, comms rooms, and core network.Operate and monitor GNSS-based timing / reference equipment used for precise time-stamping.Support installation, maintenance, and calibrationPlan and execute sensor deployments and relocations (roof, mast, dish frame, façades) with facilities.Coordinate periodic calibrations (e.g. weather, air quality, structural/ground sensors) with vendors and internal teams.Enforce safe working practices for rooftop and equipment-room work.Act as the bridge between campus and platform teamsReport status of on-campus systems and upcoming maintenance windows.Help test new data feeds, firmware updates, and configuration changes before they go to production.Provide clear feedback on physical constraints and operational realities back to architects and data/AI teams.Additionally:Daily / weekly operational checks on key systems, with clear escalation when something drifts or fails.Set up and maintain monitoring dashboards and alerts (metrics, logs, basic traces) for sensors and compute.Script routine tasks in Bash/Python (health checks, log scrapes, simple data sanity checks).Coordinate with vendors and contractors for specialized repairs and installs.Maintain accurate documentation (rack layouts, IP plans, cabling runs, rooftop layouts, change logs).&nbsp;Qualifications:&nbsp;Education:<ul><li>A BSc in Computer Engineering, or Electrical Engineering or related field.</li></ul>&nbsp;Experience:4+ years in a systems / field / instrumentation / NOC / SRE-style role, working with real hardware (not just cloud).&nbsp;Required Skills:&nbsp;Solid Linux experience (Ubuntu or similar): networking, system services, storage, logging.Strong practical networking skills: VLANs, PoE switches, fibre vs copper, basic routing, VPNs.Hands-on experience with at least some of:Environmental or industrial sensors (weather, air quality, structural, seismic, etc.), orRF / broadcast / telecom equipment, orCCTV / video analytics / radar / acoustic sensing.Comfortable reading wiring diagrams, labelling cables, and keeping tidy racks/cabinets.Able to work safely on rooftops and with facilities teams; familiarity with basic electrical and lightning/surge safety.Clear written documentation skills and enough English to collaborate with remote engineering teams.&nbsp;Additional Skills:&nbsp;Experience running or supporting a small observatory, lab, broadcast site, or similar multi-sensor facility.Exposure to GNSS timing, NTP/PTP, or other time-synchronization systems.Familiarity with Prometheus/Grafana or similar monitoring stacks.Basic RF concepts (antennas, coax, gain/noise, filters) or environmental monitoring concepts (calibration, QA/QC).Greek language skills and prior work on a university or research campus.&nbsp;What success looks like:Within a few weeks, you know every major sensor, cabinet, and server by name and location.Within a few months, outages are rare, short, and well-understood, with clear runbooks and monitoring in place.The data and AI teams treat the campus observatory as a reliable “black box” they can build on, because you keep it that way.

Senior Campus Sensor & Systems Operations Engineer - UNIC Athens

Junior Penetration Tester What Impact will you make?&nbsp;#YourOpportunity&nbsp;Do you thrive at solving complex challenges? Want to work on next-generation, cutting-edge products and services that deliver outstanding value? Work with other experts in your field? Work for a world-class organization that provides exceptional career experience and an inclusive and collaborative culture? Want to make an impact that matters? Consider joining Deloitte.We are currently seeking for enthusiastic team players with exceptional penetration testing skills and a well-rounded personality to become part of our dynamic&nbsp;Cyber - Offensive Security&nbsp;team. The team is part of a global network, where brilliant colleagues collaborate across Deloitte locations, to deliver services to our clients both in Greece and abroad.As a Junior&nbsp;Penetration Tester, you will work in a highly skilled team to perform various Penetration Testing and Red Teaming engagements for our domestic and international clients. Using your offensive skills, you will covertly breach our clients’ networks and provide recommendations to strengthen the client’s security posture. To sharpen your skills, you will be trained with the Offensive Security trainings; you will join the periodic Deloitte Global Ethical Hacking and Red Team knowledge exchange sessions, and perform research on the latest techniques and tools. Moreover, you will serve as a “Subject Matter Expert”, adding interpretive value to findings presented and be responsible for creating and executing custom penetration testing engagements to identify if client systems are vulnerable to security issues.&nbsp;#YourRole Your role as a Junior&nbsp;Penetration Tester&nbsp;will enable you to work alongside fellow Ethical Hackers, who are incredibly passionate about what they do and are characterized by their commitment to working as a team, and their ever-present customer focus. In this role, you will actively participate in technical planning and the delivery of best-in-class service to our clients. In this role, you will find yourself in a personal learning and development fast track and will be given many opportunities to get exposure and make an impact that matters. During your tenure as a Junior&nbsp;Penetration Tester,&nbsp;you will be able to:<ul><li>Receive training and attain certifications in the use of cutting-edge cybersecurity products but also on various cybersecurity engineering topics.</li><li>Be part of a truly global community of Deloitte experts in Ethical Hacking and Cyber Security.</li><li>Work on projects focused on identifying security vulnerabilities on client’s infrastructure, Web and Mobile Apps etc.</li><li>Find creative ways to obtain a foothold in a client's network.</li><li>Apply an adversary mindset to simulate sophisticated actors and achieve project-specific objectives.</li><li>Perform research and develop your own tools and sharpen your tradecraft.</li><li>Share your research within the Deloitte Global Hacking and Red Team community.</li><li>Turning security weaknesses into tailored and concrete recommendations.</li><li>Share knowledge and experiences to support the development of peers.</li><li>Monitor your own results against objectives and seek feedback to identify ways to improve personal and team performance.</li></ul> #WinningRequirements To qualify for the role, you must have:<ul><li>Bachelor’s Degree in Information Technology, Information Systems Security, Cybersecurity or any related discipline</li><li>Familiar with penetration testing like Web Application, Mobile, Infrastructure and Vulnerability Assessments both on *nix and Windows environments.</li><li>Expertise using Kali Linux and tools like Burp, Metasploit, Covenant, Cobalt Strike, and Nessus.</li><li>Willingness to research new security testing techniques and tradecraft.</li><li>Experience effectively prioritizing workload to meet deadlines and work objectives.</li><li>Demonstrated ability to write clearly, succinctly, and in a manner that appeals to a wide audience.</li><li>Consultant mindset, commitment to teamwork, and ability to build strong client relationships.</li><li>Strong communication skills in Greek and English.</li><li>Ability to maintain professionalism and always strive for high ethical standards.</li><li>Military obligations fulfilled where applicable</li></ul> Ideally:<ul><li>Burp Suite Certified Practitioner (BSCP) -&nbsp;PortSwigger</li><li>Hack the Box level: Pro Hacker and above</li></ul>&nbsp;#ChooseDeloitteif:<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 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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