CYBER SECURITY L3 Firewall Engineer

Mons, Belgium Deadline: 21-09-2026 Geplaatst: 07-09-2026 #17513

RFQ C005339 - CYBER SECURITY L3 Firewall Engineer

Duties

  • Build, implement, maintain, and support Next Generation Firewalls (System Administration).
  • Configure, maintain and review security policies and additional Next Generation Firewall capabilities (System Configuration)
  • Central administration and configuration of Firewalls to ensure continuing functionality and availability.
  • Firewall policy/ruleset implementation and verification
  • Provide technical support in troubleshooting infrastructure and operational issues and collaborating with other teams for a successful resolution;
  • Collaborate with the Infrastructure Management and other Cyber Security teams
  • Provide assistance to Incident Handlers to identify and remediate security incidents
  • Review security documentation and provide technical advice, when requested
  • Perform other duties as may be required.

Requirement

  • At least 3 years practical experience in cyber security or related field,
  • Extensive knowledge and experience (min 3 years) in the following areas:
  • Palo Alto Networks Firewalls and Palo Alto Networks Panorama for Enterprise level deployments
  • Firewall installation and management of other vendors
  • Scripting (Bash, Python, Ansible)
  • Experience with network protocols and traffic analysis
  • Ability to troubleshoot complex network security issues
  • LAN/WAN networking including protocol network architecture, and the vulnerabilities of modern operating systems and applications
  • TCP/IP protocols and services
  • Knowledge of *nix-based Operating Systems
  • Relevant certifications in cyber security, such as Certified Information Security Manager (CISM), Certified Information Systems Security Professional (CISSP) or GIAC Security.
  • A minimum requirement of a Bachelor's degree at a nationally recognised/certified University in a related discipline and 3 years post-related experience;
  • Or exceptionally, the lack of a university degree may be compensated by the demonstration of a candidate's particular abilities or experience that is/are of interest to NCIA, that is, at least 10 years extensive and progressive expertise in duties related to those in this Statement of Work.
  • Mons, BE Full time on-site: Yes
  • Required Security Clearance: NATO Secret

Preferences

  • Administration of *nix-based Operating Systems
  • Experience in working for or supporting a military or governmental organization.
  • Understanding of Information Security Practices relating to the Confidentiality, Integrity and Availability of information (CIA triad.)

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