Senior F5 Consultant / Network & Security Engineer
Core
Lead the full-lifecycle migration of a critical transport infrastructure client's F5 BIG-IP platform from end-of-life physical appliances to F5 BIG-IP Virtual Edition (VE), including security uplift via APM and ASM/Advanced WAF.
Role type
Senior F5 Consultant / Network & Security Engineer
Builds
High-availability F5 BIG-IP VE pairs on VMware ESXi with integrated security policies and backup solutions
Domain
Network Infrastructure & Application Security (Transport/Critical Infrastructure)
Required skills
F5 BIG-IP engineering (LTM, APM, ASM/Advanced WAF), VMware vSphere/ESXi, Core Networking (L2/L3, VLANs, Routing, NAT, DNS, SSL/TLS), Firewall Engineering (Cisco, Palo Alto), iRules and Traffic Policies, High Availability Design, Change Control Management
Preferred skills
F5 Certifications (CTS LTM, Security Solution Expert), Enterprise Identity Platform Integration (Entra ID, Okta, Duo), Enterprise Backup Platform Integration (Commvault), Critical Infrastructure Domain Experience
Technologies
F5 BIG-IP, VMware vSphere/ESXi, Commvault, Cisco, Palo Alto, Microsoft Entra ID, Okta, Duo
Responsibilities
Conduct discovery and assess existing physical BIG-IP estate; Develop HLD and LLD for target BIG-IP VE platform; Design and build isolated BIG-IP VE HA pairs on VMware; Migrate LTM configuration (virtual servers, pools, iRules, SSL profiles); Integrate network and security policies; Implement APM and ASM/Advanced WAF for identity-aware pre-authentication and WAF protection; Execute after-hours production cutovers with rollback readiness; Decommission legacy platform and deliver knowledge transfer.
Seniority
Senior, hands-on IC
