JobCubby JobCubby
Sign up
Quality & Reliability S.A. (QnR)

OT Security Engineer (Fortinet)

Quality & Reliability S.A. (QnR) Athens, Attica, Greece

Software Development · 51-200 employees

Oct 21
Remote security Mid (2-5 yrs) Full-time Greece
Create a free account to apply — email only, no card. You can also save this posting or score it against your profile with AI.

Applying here? Try the free cover letter tool — paste this posting and your résumé, no account needed.

About the role

The OT Security Engineer will design, implement, and maintain secure network architectures for industrial and operational technology environments. Responsibilities include configuring Fortinet security solutions, managing network segmentation, and performing vulnerability remediation to ensure system resilience.

What they look for

OT Security Fortinet FortiGate Network Security Cybersecurity Infrastructure Engineering Routing & Switching TCP/IP VPN Firewall Administration Network Segmentation Vulnerability Remediation Industrial Networks Technical Documentation Incident Troubleshooting

Requirements

Candidates must have at least 3 years of experience in network security or infrastructure engineering with hands-on expertise in Fortinet solutions. A strong understanding of routing, switching, and industrial network environments is required, along with excellent troubleshooting and documentation skills.

Full description

Are you an OT Security Engineer? Think bigger about your next move!Build your future with QnR Group. JOIN THE NEXT EUROPEAN TECHNOLOGY POWERHOUSE 🚀

OT Security Engineer | SysteCom, member of QnR Group

Role overview

We are seeking a hands-on OT Security Engineer with strong Fortinet and networking expertise to design, implement, secure, and support critical operational technology infrastructure and industrial networks. The role is ideal for professionals who enjoy a combination of technical implementation, troubleshooting, support, and infrastructure security within mission-critical environments.

About QnR GroupQnR Group is a technology group with 35 years of experience, 8 companies, 4 delivery centers and 210+ professionals across Greece, Belgium, Cyprus and Poland. Listed on the Athens Stock Exchange since 2000, we deliver mission-critical digital transformation projects for the public and private sector. The Group’s capabilities covers software engineering, enterprise and generative AI, cybersecurity, cloud infrastructure, SAP and ServiceNow solutions, core banking and maritime intelligence.

About SysteComSysteCom, a member of QnR Group, specializes in cybersecurity, digital resilience and IT infrastructure. The company delivers solutions and services that help organizations protect their systems and data, strengthen operational continuity and modernize their technology environments. Bringing together security and infrastructure expertise, SysteCom supports businesses across sectors in building secure, reliable and resilient digital operations.

What you'll work on:

  • Deploy, configure, and maintain FortiGate and related Fortinet security solutions
  • Design and implement secure network architectures for OT and industrial environments
  • Manage IT/OT network segmentation and secure connectivity between operational sites
  • Configure VPNs, firewall policies, routing, and security controls
  • Monitor, troubleshoot, and resolve network and security incidents
  • Perform security hardening, vulnerability remediation, and configuration reviews
  • Support OT cybersecurity projects, upgrades, and infrastructure deployments
  • Develop technical documentation, implementation guides, and network diagrams
  • Work with field engineers, vendors, and operational teams to ensure service availability and security
  • Participate in technical assessments, testing, and continuous improvement initiatives

What you bring:

  • 3+ years of experience in Network Security, Cybersecurity, or Infrastructure Engineering
  • Hands-on experience with Fortinet security solutions, particularly FortiGate
  • Strong understanding of: Routing & Switching, TCP/IP Networking, VPN Technologies, Firewall Administration, Network Segmentation
  • Experience implementing and supporting enterprise or industrial network environments
  • Strong troubleshooting and analytical skills
  • Ability to review and produce technical specifications and documentation
  • Strong communication and stakeholder management skills

Desirable certifications: GICSP (Global Industrial Cyber Security Professional), ISA/IEC 62443 Certifications, Nozomi / Claroty, Fortinet / Palo Alto (ΟΤ Security), CCNA / CCNP (Routing & Switching).

Nice to have:

  • Experience in OT, Utilities, Energy, Industrial, or Critical Infrastructure environments
  • Experience with monitoring, logging, and security management platforms
  • Understanding of OT cybersecurity principles and best practices
  • Experience working in regulated environments

Similar roles