OT Network Engineer

1 day ago


Thessaloniki, Central Macedonia, Greece AS Hellas Full time €45,000 - €55,000 per year

Join AS Hellas, a leading automation company recognized as a Great Place to Work, where innovation and a supportive work culture drive success. We are leaders in production line automation, and industrial and building automation in Greece. We specialize in custom automation solutions for plants, tunnels, buildings, refineries, and energy facilities. As a Siemens Solution Partner since 2009, we excel in delivering cutting-edge automation technologies.

We are seeking a highly motivated OT Network Engineer to join our Computer Engineering team. The successful candidate will be responsible for:

  • Industrial Network Design and Parameterization: Develop and implement secure industrial network architectures for OT environments, such as SCADA, ICS, or IIoT systems. Work with firewalls, routers, switches, and VPNs to ensure seamless integration between IT and OT networks while maintaining security boundaries. Monitor and mitigate risks specific to industrial control systems and critical infrastructure.

  • IEC 62443 Configuration & Compliance: Design and implement cybersecurity measures in line with the IEC 62443 standard to ensure the security of industrial control systems. Configure OT systems to meet IEC 62443 requirements, including secure zones, conduits, and role-based access controls. Perform network segmentation (e.g., IT/DMZ/OT zones) and apply firewall, routing, and VLAN policies to protect production environments.

Requirements

  • Degree in Computer Engineering, Computer Science, or a related field.
  • Minimum of one (1) year of proven experience in the Networking field.
  • Experience with firewalls, VPNs, and security appliances (e.g., Fortinet).
  • Excellent command of English (written and oral).
  • Strong networking knowledge including handling of network protocols (TCP/IP, DNS, DHCP, etc.) and VLAN creation.

  • Excellent organizational and communication skills.

  • Willingness to travel within Greece and abroad.
  • Valid driver's license.

Preferred Skills:

  • Network Certifications like CCNA or Fortinet.
  • Strong understanding of IEC 62443 principles, including secure zones and conduits.
  • Strong understanding of encryption methods.

Benefits

  • Upbeat and friendly working environment.
  • Competitive full-time salary based on qualifications and experience.
  • Comprehensive life and health insurance for employees and their families.
  • Employee benefits scheme.
  • Continuous education, training, and professional development opportunities.
  • Corporate mobile phone and company car.

Join AS Hellas and be a part of our mission to push the boundaries of automation technology. Apply today to make an impact with an industry leader

AS Automation System Hellas is committed to collecting and processing all Personal Data in compliance with the provisions of the General Data Protection Regulation (EU) 679/2016 GDPR and all applicable European and national legislation. For further information, please visit our website's Privacy Policy section.



  • Thessaloniki, Central Macedonia, Greece SIDENOR S.A Full time €40,000 - €80,000 per year

    Career Opportunities: INDUSTRIAL IT SENIOR ENGINEER (3582)Requisition ID Posted 10/27/2025 - THESSALONIKI (12o km) - Companies (1) - IT - Mid-Senior Level (6-9 years) - Greece SIDENORis looking for aIndustrial IT Senior Engineerto join the team in Thessaloniki or Almyros-MagnesiaSidenor is seeking an Industrial IT Senior Engineer to join its plants in...


  • Thessaloniki, Central Macedonia, Greece Sidenor Group Full time €60,000 - €120,000 per year

    Sidenor is seeking an Industrial IT Senior Engineer to join its plants in Thessaloniki or Almyros, Magnesia. With 60 years of industry know-how and expertise Sidenor is the largest steel industry in Greece and constitutes the steel production and trading segment of Viohalco. Sidenor Group is a leading steel producer in Southeastern Europe with 4 production...


  • Thessaloniki, Central Macedonia, Greece SIDENOR steel industry Full time €60,000 - €120,000 per year

    SIDENORis looking for aIndustrial IT Senior Engineerto join the team in Thessaloniki or Almyros-MagnesiaSidenoris seeking an Industrial IT Senior Engineer to join its plants inThessaloniki or Almyros, Magnesia.With 60 years of industry know-how and expertiseSidenoris the largest steel industryin Greece and constitutes the steel production and trading segment...


  • Thessaloniki, Central Macedonia, Greece Sidenor Group Full time €60,000 - €120,000 per year

    Industrial IT Senior EngineerSidenor GroupΠροβολή 2 θέσεωνΘεσσαλονίκηΤοποθεσίαΘεσσαλονίκηπριν 3 λεπτάΗμ. ανάρτησηςπριν 3 λεπτάΜε μεγάλη εμπειρίαΕπίπεδο εμπειρίαςΜε μεγάλη εμπειρίαΠλήρης απασχόλησηΤύπος...


  • Thessaloniki, Central Macedonia, Greece Census Sa Full time €40,000 - €60,000 per year

    The start date for this internship is approximately mid-January 2026 Are you a tech enthusiast who loves breaking things (ethically, of course) to understand how they work? Do you want to turn your passion for cybersecurity into real-world expertise? CENSUS Cybersecurity Internship Program is your chance to work with some of the best minds in the industry,...

  • Network Architect

    2 weeks ago


    Thessaloniki, Central Macedonia, Greece T-Digital by Deutsche Telekom Full time €60,000 - €120,000 per year

    This is a fixed-term 2-year contract positionAbout UsT-Digital is the Deutsche Telekom Tech powerhouse in Greece. We create compelling digital propositions for the worlds' largest Telekom giant by building scalable and agile platforms to provide the best of digital experience to Deutsche Telekom customers across Europe.We are agile and international...

  • Network Architect

    2 weeks ago


    Thessaloniki, Central Macedonia, Greece T-Digital by Deutsche Telekom Full time €90,000 - €120,000 per year

    This is a fixed-term 2-year contract positionAbout UsT-Digital is the Deutsche Telekom Tech powerhouse in Greece. We create compelling digital propositions for the worlds' largest Telekom giant by building scalable and agile platforms to provide the best of digital experience to Deutsche Telekom customers across Europe.We are agile and international...


  • Thessaloniki, Central Macedonia, Greece Census SA Full time €15,000 - €25,000 per year

    Are you a tech enthusiast who loves breaking things (ethically, of course) to understand how they work? Do you want to turn your passion for cybersecurity into real-world expertise?CENSUS Cybersecurity Internship Program is your chance to work with some of the best minds in the industry, dive deep into cutting-edge security challenges, and level up your...


  • Thessaloniki, Central Macedonia, Greece U.S. Department of Commerce Full time €70,000 - €120,000 per year

    Are you a tech enthusiast who loves breaking things (ethically, of course) to understand how they work? Do you want to turn your passion for cybersecurity into real-world expertise? CENSUS Cybersecurity Internship Program is your chance to work with some of the best minds in the industry, dive deep into cutting-edge security challenges, and level up your...


  • Thessaloniki, Central Macedonia, Greece CENSUS Full time €45,000 - €55,000 per year

    Are you a tech enthusiast who loves breaking things (ethically, of course) to understand how they work? Do you want to turn your passion for cybersecurity into real-world expertise?CENSUS Cybersecurity Internship Programis your chance to work with some of the best minds in the industry, dive deep into cutting-edge security challenges, and level up your...