About the Role
As part of its growth, CYRAF is recruiting profiles ranging from experienced Network Technician to Security & Networks Engineer, to work on IT/OT cybersecurity and critical infrastructure projects.
Key Responsibilities
- Operate, administer and secure network and system infrastructures.
- Participate in the design and evolution of secure IT/OT architectures.
- Deploy and maintain network security solutions (firewall, VPN, segmentation, IDS/IPS).
- Administer virtualized environments (VMware, QEMU, Azure).
- Automate provisioning and service management (Active Directory, DNS, DHCP, GPO, antivirus, security event management).
- Contribute to migration, modernization and automation projects.
- Provide technical support, documentation and customer support.
Required Qualifications
- Bac+2 to Bac+5 degree in networks, systems or cybersecurity.
- Strong network fundamentals: TCP/IP, DNS, DHCP, VLAN, VPN, SSL/TLS, IPSec.
- Good understanding of LAN/WAN architectures, firewalls and high availability.
- Knowledge of system and network security.
- Strong interest in industrial cybersecurity and critical environments.
- Rigor, autonomy, teamwork spirit and technical curiosity.
Preferred Qualifications
- Experience with Windows Server / Active Directory environments.
- Network or security certifications (CCNA, CompTIA Network+, Security+).
- Knowledge of OT environments and industrial protocols (Modbus, Profinet, OPC).
What We Offer
- High-impact projects on sensitive infrastructures.
- Skills development path from technician to engineer.
- Demanding and structured technical environment.
- End-to-end vision: network, security, risk and industrialization.