About the Role
We are seeking a Network & System Security Engineer to support the security and maintenance of network and system infrastructure, including IT and OT environments. This position involves managing network security solutions, implementing security controls, monitoring security events, supporting incident response, and ensuring the availability and security of critical systems.
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Responsibilities
- Configure, administer, and maintain network security solutions, including firewalls, VPNs, IDS/IPS, network access control, and other security platforms.
- Implement and maintain network segmentation, firewall rules, access controls, and secure remote connectivity across IT and relevant OT environments.
- Perform security hardening of Windows/Linux servers, network devices, and supporting infrastructure in line with approved security standards.
- Monitor security alerts, logs, and network activity; investigate suspicious events and support cybersecurity incident response.
- Conduct vulnerability assessments, coordinate patching and remediation activities, and verify the effectiveness of security measures.
- Review and implement security-related changes, troubleshoot network and system security issues, and ensure operational continuity.
- Coordinate with IT teams, cybersecurity teams, and technology vendors to resolve technical issues and support security improvements.
- Maintain technical documentation, network diagrams, security configurations, operational procedures, and incident reports.
Requirements
- 2–5 years of relevant experience in network security, infrastructure security, systems administration, or cybersecurity operations.
- Bachelor's degree in cybersecurity, IT, network engineering, or a related field.
- Hands-on experience configuring and managing enterprise firewalls, VPNs, and network security solutions, preferably Fortinet or Palo Alto.
- Good understanding of TCP/IP, routing, switching, VLANs, network segmentation, and access control.
- Practical knowledge of Windows/Linux security administration, system hardening, Active Directory, and endpoint security.
- Familiarity with security monitoring, vulnerability management, and incident response processes.
- Knowledge of cybersecurity standards and frameworks such as ISO 27001, NIST CSF, or IEC 62443 would be an advantage.
- Experience in OT/ICS environments, critical infrastructure, or the Oil & Gas sector would be an advantage.
- Relevant certifications such as CCNA, Fortinet FCP, Palo Alto PCNSA, or CompTIA Security+ would be an advantage.
Why Join Us?
🧬 Our DNA: Trust, Entrepreneurial Spirit, Solidarity, Autonomy, Responsibility
Joining us means becoming part of a large group while enjoying the agility and warmth of a human-sized company!
- 🚀 A personalized onboarding journey from day one, with tailored career follow-up
- 🏫 Opportunities for growth, training, and mobility within a fast-growing international group
- 🙏🏼 Close and supportive management
- 💶 Recognition of employee performance through a company savings plan
- 🥇 Pride in shared achievements
- ☘️ Respect for the environment and local communities in the countries where we operate (Human Rights Guide)
- 🦺 Commitment to the health and safety of our employees
- 👋 At the company, CSR initiatives are deeply embedded in our activities, our ways of working, and ultimately, in our DNA
