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Intellectica is seeking an experienced and highly motivated Senior Network Engineer on behalf of a leading European healthcare provider. Based in Attiki, Greece and reporting directly to the Head of Infrastructure, the successful candidate will play a vital role in designing, implementing, maintaining, and troubleshooting the organization’s Local and Wide Area Network environments, ensuring optimal performance, reliability and security across all systems. This role involves close collaboration with on-site IT support teams across multiple clinics and facilities, contributing to a seamless and resilient network experience.Key activities and responsibilities of this role include:<ul><li>Design, implement, and maintain LAN/WAN infrastructure to ensure high availability and business continuity across all clinical and corporate locations</li><li>Configure and manage network devices and services including routers, switches, firewalls, load balancers, VPNs, QoS, and SDWAN</li><li>Monitor network performance, conduct capacity planning, and proactively address system resource utilization</li><li>Apply firmware updates, security patches, and system upgrades in line with scheduled maintenance plans</li><li>Investigate and resolve network faults, providing Level-2/3 support and escalation when needed</li><li>Collaborate with on-site IT support teams to ensure seamless issue resolution and infrastructure alignment</li><li>Enforce network security policies and manage access controls across all environments</li><li>Contribute to network architecture planning and documentation for future expansion</li><li>Research and recommend hardware/software solutions for network enhancement projects</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Computer Science, Information Technology, or a related field</li><li>Network and Security certifications such as Cisco CCNA/CCNP and Fortinet NSE4–NSE7 are highly desirable</li><li>Minimum of 5 years’ experience in routing and switching, with strong knowledge of Enterprise LAN/WAN and Data Center technologies</li><li>Proven hands-on experience with IP routing, including TCP/IP and routing protocols such as BGP, OSPF, EIGRP, and SD-WAN</li><li>Practical experience with Cisco Switching technologies, including Cisco 2960, Cisco 9000 series, and Cisco Nexus platforms</li><li>Experience with network management and monitoring tools</li><li>Familiarity with LAN/WAN and VoIP network architecture design will be considered an asset</li><li>Hands-on experience with vendor solutions, particularly FortiGate, Cisco, and HP</li><li>Good verbal and written communication skills in both Greek and English</li></ul>Core competencies of successful candidate:<ul><li>Strong analytical and troubleshooting skills</li><li>Clear and confident communication</li><li>Team-oriented with collaborative mindset</li><li>High attention to detail and security awareness</li><li>Adaptability to evolving infrastructure needs</li></ul>

Senior Network Engineer int-0425

Intellectica is recruiting an ambitious and experienced Java Software Engineer on behalf of a cutting-edge financial technology company specializing in providing seamless and secure payment solutions for businesses worldwide. Working with a hybrid scheme in the company’s offices in Athens, the candidate’s primary goal is to support the company’s growth by contributing to the creation and maintenance of high-quality software solutions that meet functional and technical requirements.Key activities and responsibilities of this role include:<ul><li>Collaborate with cross-functional teams to gather and analyse requirements and define what must be developed (functional specifications, acceptance criteria and success metrics)</li><li>Participate in solution design and architecture, producing clear technical designs and implementation plans</li><li>Implement and maintain high-quality, production-ready code according to agreed standards and coding conventions</li><li>Perform and participate in regular code reviews and peer feedback sessions to ensure code quality, maintainability and knowledge sharing</li><li>Support System Integration Testing (SIT), User Acceptance Testing (UAT) and production rollouts; collaborate with QA and Ops on issue triage</li><li>Follow Agile/Scrum workflows and raise continuous improvement suggestions</li><li>Keep up with emerging technologies and recommend useful tools, frameworks or process changes</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related field</li><li>At least 2 years of proven experience in middleware application development using the Java programming language, with at least 1 year of experience specifically with Java 8</li><li>Experience with Java 8 microservices using Spring Boot and Spring Cloud (Netflix OSS)</li><li>Familiarity with Spring 5 Framework, OAuth2 Security, JPA persistence, ORM modeling, and Restful API design</li><li>Proficient understanding of Git code versioning tool</li><li>Familiarity with Event-Driven software design patterns is advantageous</li><li>Experience with versioning and source control systems, such as Git</li><li>Fluent in both Greek and English</li></ul>Core competencies of a successful candidate:<ul><li>Advanced communication and teamwork skills</li><li>Ability to work in an agile environment</li><li>Ability to produce clear and concise technical documentation for product requirements, design documents, and product specifications</li><li>Strong analytical and practical thinking skills</li><li>Showing ownership and overtaking accountability</li><li>Genuine interest in Java</li></ul>

Java Software Engineer int-0423

Intellectica is seeking a Senior UI/UX Designer on behalf of its client, a digital solutions company in the media-tech, publishing, and platform services space based in Athens, Greece. Known for its creative excellence in digital transformation, the company partners with leading media organizations to deliver high-impact, user-centric digital products. As part of its continued growth, the company is seeking a Senior UI/UX Designer to take on a pivotal leadership role within the design team. Reporting to the Creative Director, the successful candidate will not only shape intuitive and visually compelling user experiences, but also mentor and guide a team of designers, ensuring design quality, consistency, and innovation across projects.Key activities and responsibilities of this role include:<ul><li>Managing and mentoring a small design team, fostering growth and maintaining high design standards</li><li>Lead and contribute to all phases of the design process, from user research to final UI design</li><li>Conducting user research and usability testing to inform design decisions and validate user experience improvements</li><li>Develop user personas, information architecture, user flows, wireframes, and prototypes that translate complex requirements into intuitive user experiences</li><li>Reviewing and refining deliverables to ensure high-quality output that meets brand standards and user needs</li><li>Ensure designs adhere to responsive design principles, mobile app design standards, and accessibility best practices</li><li>Collaborating directly with cross-functional teams, including developers and project managers to ensure seamless implementation of design solutions and resolve technical challenges</li><li>Shaping and evolving design systems to support scalability, consistency, and efficiency across projects</li><li>Staying up to date with industry trends, tools, and best practices to continuously improve design processes and outcomes</li><li>Any other task that may be required from time to time</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Design or a related field</li><li>Proven experience in UI/UX design, ideally within a digital agency or media environment</li><li>Proven ability to lead design teams or demonstrated potential to step into a leadership role</li><li>Strong understanding of user-centered design principles and usability best practices</li><li>Demonstrated experience conducting user research and usability testing</li><li>Excellent visual design skills with a solid grasp of color theory, typography, and layout principles</li><li>Proven ability to create and manage design systems while ensuring media visuals and brand consistency</li><li>Familiarity with responsive design, mobile app design guidelines, and accessibility design specifications and best practices</li><li>Hands-on expertise with industry-standard tools, including Adobe Creative Suite and Figma</li><li>Strong portfolio showcasing end-to-end design work across web and mobile platforms</li><li>Fluency in Greek and proficiency in English, both written and spoken</li></ul>Core competencies of a successful candidate:<ul><li>Creative and detail-oriented</li><li>Leadership and mentoring mindset</li><li>Excellent problem-solving mindset</li><li>Collaborative team player</li><li>Flexible and adaptable</li><li>Passion for user-centric design</li></ul>Apply Now

Senior UI/UX Designer int-0417

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

Intellectica is recruiting an experienced and highly skilled Senior Data Scientist on behalf of a newly established AI &amp; Machine Learning startup, which will be integrated into a leading group of companies operating in the aerospace, defense, and high-technology sector. This startup aims to develop cutting-edge AI-driven solutions tailored to the aerospace and defense industry. You will join a dynamic cross-functional team and report directly to the Head of Data Science.Key activities and responsibilities of this role include:<ul><li>Leading the end-to-end development of machine learning solutions, from business requirement gathering to model deployment and evaluation</li><li>Designing reusable components and frameworks to streamline the data science lifecycle</li><li>Collaborating with product experts, engineers, and government stakeholders to build robust AI models and data pipelines</li><li>Supporting business development efforts by translating technical capabilities into strategic value</li><li>Overseeing the full ML development process including data exploration, feature engineering, model training, validation, and monitoring</li><li>Communicating technical results clearly and appropriately to diverse audiences</li><li>Partnering with ML engineers to enhance the company’s analytical and ML platform capabilities</li><li>Evaluating and testing emerging data science tools and technologies</li><li>Contributing to the evolution of the company’s ML-Ops operating model</li><li>Representing the company at internal meetups and external conferences</li><li>Mentoring junior data scientists and fostering a culture of continuous learning</li></ul>&nbsp;Professional experience &amp; qualifications of a successful candidate:<ul><li>Graduate degree in Data Science, Machine Learning, Computer Science, Statistics, Informatics, or a related quantitative field</li><li>Minimum of 5 years’ experience in data science, machine learning, or artificial intelligence</li><li>Advanced proficiency in Python and relevant libraries (e.g., Pandas, NumPy, PyTorch, Keras)</li><li>Experience with end-to-end ML workflows and deploying models in production</li><li>Skilled in handling complex, large-scale, and unstructured datasets</li><li>Familiarity with data parallel processing frameworks is highly advantageous</li><li>Hands-on experience with ML-Ops practices and real-time model performance monitoring</li><li>Knowledge of computer vision algorithms (e.g., R-CNN, YOLO) is a strong plus</li><li>Exposure to cloud platforms such as AWS, Azure, or GCP</li><li>Experience with modern AI techniques including large language models and computer vision</li><li>Familiarity with the AI ecosystem (e.g., Hugging Face, Ray Framework) is a plus</li><li>Proficient in Greek and English</li></ul>Core competencies of a successful candidate:<ul><li>Visionary mindset with pragmatic execution</li><li>Strong analytical and problem-solving skills</li><li>Comfort with ambiguity and ability to define clear next steps</li><li>Effective communicator and team collaborator</li><li>Motivated to mentor and support others</li></ul>

Senior Data Scientist int-0414

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

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