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Your skills<ul><li>Knowledge of network protocols and topologies, firewall and security appliances, intrusion detection and prevention systems</li><li>Experience in project planning, implementation and management</li><li>BA degree in Computer Science, Information Technology or equivalent field</li><li>3+ years experience (or equivalent) in IT security, network administration or equivalent field</li></ul>Your tasks<ul><li>Plan and implement firewall structures, including hardware selection, network configuration, and project planning and monitoring</li><li>Manage firewall systems and core switches globally</li><li>Analyze, improve, and document firewall infrastructures</li><li>Handle change and incident requests within SLAs using internal ticket system</li><li>Support IT Security team projects related to Business Continuity Management and Disaster Recovery</li></ul>Be part of usHemmersbach provides IT infrastructure services in more than 190 countries with 50 own subsidiaries. We deliver exclusively for the leading companies in the IT industry. We go the extra mile – we not only simply enthuse our customers, but also make the world a better place: 20% of our profits go into our Direct Actions Hemmersbach Rhino Force and Hemmersbach Kids’ Family. That’s why Hemmersbach is The Social Purpose IT Company.Your benefits<ul><li>Unlimited employment contract</li><li>Onboarding program</li><li>Buddy program</li><li>Mobile working</li><li>Health/ Medical insurance</li><li>Cafeteria</li></ul>

IT Security Specialist 18916

Intellectica is recruiting a&nbsp;Frontend Developer&nbsp;on behalf of its client, a digital solutions company in the media-tech, publishing, and platform services space. Based in Athens, Attiki, Greece and reporting directly to the Technical Project Manager, the successful candidate will join a fast-paced engineering team, contributing to the development of scalable WordPress-based platforms, custom web applications, and integrated digital solutions.Key activities and responsibilities of this role include:<ul><li>Interpret project briefs to develop and maintain custom WordPress plugins and themes aligned with user needs</li><li>Evaluate feature requests and implement functional enhancements for large-scale websites</li><li>Write clean, efficient code by analysing complex technical problems and identifying optimal solutions</li><li>Collaborate with senior developers to resolve architectural challenges and integrate best practices</li><li>Debug and troubleshoot issues by diagnosing root causes and implementing effective fixes</li><li>Analyse the full technology stack to deliver cohesive, end-to-end solutions that meet performance benchmarks</li><li>Any other task that may be required from time to time</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Computer Engineering or a related field</li><li>2-5 years of professional&nbsp;web development experience</li><li>Proficiency in&nbsp;PHP&nbsp;and solid experience with&nbsp;WordPress&nbsp;plugin and theme development</li><li>Knowledge of&nbsp;JavaScript&nbsp;(ES6+), HTML5, and CSS3; TypeScript experience is desirable</li><li>Familiarity with a modern JavaScript framewors</li><li>Good understanding of MySQL and relational database design</li><li>Familiarity with Git for version control</li><li>Fluency in Greek and proficiency in English, both written and spoken</li></ul>Core competencies of a successful candidate:<ul><li>Highly organized and delivery-focused</li><li>Problem-solver with a proactive mindset</li><li>Adaptable and thrives in fast-paced environments</li><li>Committed to continuous improvement and team enablement</li></ul>

Frontend Developer

Intellectica is recruiting a&nbsp;Full Stack Software Engineer&nbsp;on behalf of its client, a digital solutions company in the media-tech, publishing, and platform services space. Based in Athens, Attiki, Greece and reporting directly to the Technical Project Manager, the successful candidate will join a fast-paced engineering team, contributing to the development of scalable WordPress-based platforms, custom web applications, and integrated digital solutions.Key activities and responsibilities of this role include:<ul><li>Design, build, and maintain scalable WordPress-based platforms, including custom themes and plugins, using object-oriented PHP and modern JavaScript (ES6+)</li><li>Create modular ACF field groups and Gutenberg blocks to support flexible content structures and reusable codebases that scale across multiple projects</li><li>Develop and integrate RESTful APIs to enable seamless communication with external services such as CRMs, payment gateways, and newsletter platforms</li><li>Build custom endpoints and support headless or hybrid architecture where needed</li><li>Configure and optimize MySQL databases to support high-traffic environments and complex content structures, applying performance tuning techniques and caching mechanisms to ensure fast and reliable data access</li><li>Diagnose and resolve bugs in staging and production environments, and support site migrations, backups, and server configurations</li><li>Continuously improve platform performance by refactoring code, applying caching strategies, and ensuring alignment with Core Web Vitals</li><li>Contribute to CI/CD pipelines and manage staging environments, ensuring smooth and secure deployments through Git-based workflows</li><li>Perform routine updates and QA testing across WordPress core, themes, and plugins</li><li>Conduct code reviews, manage merge requests, and track issues efficiently</li><li>Collaborate closely with the UI/UX design team to implement responsive, user-friendly interfaces and interactive elements</li><li>Support design-driven implementations and maintaining visual consistency</li><li>Any other task that may be required from time to time</li></ul>Professional experience &amp; qualifications of a successful candidate:<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related field</li><li>2+ years of experience in full-stack development, ideally within content-heavy or high-traffic environments</li><li>Strong proficiency in&nbsp;PHP&nbsp;(OOP) and&nbsp;JavaScript&nbsp;(ES6+)</li><li>Hands-on experience with&nbsp;WordPress&nbsp;development, including custom themes, plugins, ACF, and WP-CLI</li><li>Solid understanding of MySQL, including performance tuning and complex query design</li><li>Familiarity with Git-based workflows and build tools (e.g., Gulp, Webpack, Vite)</li><li>Experience with SCSS/SASS and frontend frameworks is considered a strong plus</li><li>Fluency in both English and Greek, written and verbal</li></ul>Core competencies of a successful candidate:<ul><li>Strong problem-solving and system optimization capabilities</li><li>Ability to collaborate effectively across technical and non-technical teams</li><li>High attention to detail and commitment to code quality</li><li>Proactive approach to innovation and architectural improvement</li><li>Continuous engagement with emerging technologies and industry trends</li><li>Ownership of deliverables and accountability in project execution</li></ul>

Full Stack 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.

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it security specialist 18916

Hemmersbach

frontend developer

Intellectica

full stack engineer

Intellectica

senior campus sensor & systems operations engineer - unic athens

University of Nicosia

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