Network Security Engineer (F5 Expert)

The function ensures the management, security and continuous evolution of the F5/AWAF infrastructure, as well as the continuous monitoring and evaluation of the security status of IT systems, with an effective crisis response capability.

Deliverables

• F5 / Advanced Web Application Firewall infrastructure installed, configured and managed


• Security policies developed, documented and monitored


• Technical risk analyses carried out on the various IT systems


• Solutions implemented to address identified vulnerabilities


• Recommendations on technical solutions for securing partner connections (intranet/internet)


• Technical documentation and incident/crisis reports

Main tasks

• Manage the infrastructure F5 Security: F5, Advanced Web Application Firewall


• Install, configure and manage F5 - AWAF


• Develop, document and monitor the application of security policies


• Continuously monitor and assess the state of IT systems in terms of security and protection against malicious actions


• Intervene effectively in crisis situations (organized attacks, network intrusions, virus detection, etc.)


• Advise on technical solutions for securing connections with external partners via the intranet and the internet


• Perform technical risk analyses for management purposes on the various IT systems


• Implement solutions to address potential vulnerabilities

Key Competencies

• Install, configure and manage the F5 AWAF infrastructure (APM, ASM, LTM, Identity Provider, SSL VPN)


• Continuous monitoring and evaluation of the security status of systems; Crisis management (attacks, intrusions, viruses)


• Technical risk analysis and vulnerability remediation


• Knowledge of network and application firewalls (Palo Alto, Forcepoint, Panorama) and VPN/proxy solutions


• Rigorous documentation and clear communication to teams and management

Communication and collaboration

• Written and verbal communication skills; able to clearly document their work (reports, documentation)


• Ability to work in a team; Methodical, precise and customer-oriented approach


• Bilingual preferably (French, Dutch) or sufficient basic knowledge of a second national language; Technical English essential

Level and experience

• Expert and autonomous execution under general management (SFIA level 4 – Enable), senior technical profile


• Minimum 5 years of experience in IT security, autonomy and sense of initiative, ability to intervene effectively in crisis situations; explicitly not a junior

Diploma

Graduate or bachelor's degree in computer science or electronics, or equivalent by proven experience.

In practice

Mission Level of Responsibility: SFIA Level 4 – Enable (Senior Technical)
Reports to: Network & Security
Team Manager Working Arrangement: Full-time; Remote work possible
Location: Brussels
Team: Network & Security team, in collaboration with systems, operations and projects teams