- F5 Big - IP System Administrator

We are currently looking for an experienced F5 Big-IP System Administrator for a long-term mission with one of our key partners based in Brussels. You will join an experienced infrastructure team and play a crucial role in maintaining, optimizing, and evolving the F5 ecosystem, as well as supporting a broader cloud migration strategy. Responsibilities Provide Level 3 support for all F5 Big-IP platforms (LTM, ASM, APM) Participate in infrastructure consolidation and version upgrade projects Develop and update deployment and maintenance procedures Support security operations and vulnerability remediation efforts Contribute to the migration of infrastructure to Azure cloud Implement and manage Infrastructure as Code practices Technical skills F5 BIG-IP LTM: Load balancing, pool configuration, persistence rules, SSL certificate management F5 BIG-IP ASM: Creation of app security policies (e.g., SQL injection, XSS protection) F5 BIG-IP APM: Secure access and identity policy implementation Networking Protocols: TCP/IP, DNS, SSL/TLS, Automation/Scripting: iRules (TCL), Bash, PowerShell, Icontrol REST API Cloud & Virtualization: Experience deploying F5 in virtual environments and in the cloud (VMware & Azure). Familiarity with F5 Cloud Edition in hybrid setups. Authentication Standards: OAuth/OpenID, SAML 2.0 Certificates: SSL/TLS certificate lifecycle and secure connectivity Troubleshooting Your profile Minimum 3 years of experience with F5 BIG-IP administration and support Fluent in French and Dutch Comfortable with related tools like Firewalls, proxies, and cloud platforms (Azure) F5-CA or F5-CTS certification required Cloud certifications (Azure/AWS) are a plus Why this mission? Join a leading IT team within a reputable organization based in Brussels Work on strategic infrastructure and cloud projects Long-term mission (2 years) offering stability and technical growth Start ASAP