Offensive Security Engineer

This role sits in a penetration testing cell and covers both halves of the discipline: the testing itself, and the part that decides whether anything gets fixed — reviews, advice and briefings to people who will act on them. What You Would Be Doing Lead or take part in the red or blue team during military exercises. Deliver web, infrastructure and...

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and...

NATO - North Atlantic Treaty Organisation Job Description - Cyber Security Engineer (261435) Cyber Security Engineer - 261435 NATO Body NATO Communications and Information Agency (NCIA) Schedule Full-time Application Deadline 27-Sep-2026, 9:59:00 PM Salary (Pay Basis) Grade NATO Grade G15 Who we are: For more than 70 years, NATO’s mission has been to...

Who we are: Primary Location Belgium-Mons Schedule Full-time Application Deadline 28-Sep-2026, 12:59:00 AM Salary (Pay Basis) 6,713.06 Grade NATO Grade G15 Who we are: For more than 70 years, NATO’s mission has been to preserve peace and security in the Alliance for nearly one billion citizens. The NATO Communications and Information Agency (NCIA) and its...

WLG seeks a senior cyber security engineer to implement and validate boundary protection, detection, monitoring and forensic tooling across complex environments. You will stand up firewalls, vulnerability tooling and monitoring solutions, from baselines to acceptance, and document configurations for operations handover.Minimum five years in cyber security...

WLG, a multinational defence organisation, seeks a gateway security engineer to own cross-domain boundary systems near Mons. You will administer data diodes and guards, configure hardware/software, and ensure data exchanges meet security requirements.You will implement automation, manage patches, document procedures, and provide technical support across...

Wlgroup is seeking an engineer to join the gateway security team and own cross-domain boundary systems on-site near Mons. You will manage guards, data diodes, and related hardware/software, ensuring compliant data exchange across classifications.The role requires 3+ years in cyber security or related field, strong Linux administration experience (Red Hat...

WLG seeks a Linux engineer in Belgium to install, harden and automate security tooling within a change-controlled environment. You will maintain availability, monitor the estate and contribute to its scalability and performance.You will build custom tooling, prepare upgrades, and roll out features inside the protected perimeter. Documentation and testing of...

Wlgroup in Belgium is seeking an experienced cyber security engineer to own and operate cross-domain gateway protections near Mons. You will manage guards and data diodes, install hardware and software, and ensure configurations meet data-exchange requirements.Requirements include Linux administration, Bash/Python/Ansible scripting, firewall experience, and...