F5 Engineer | BIG-IP RSeries Migration | 21-Day Contract

A short, high-impact 21-day contract for an experienced F5 engineer to lead a full platform migration from legacy i5800 appliances to the rSeries r5600 platform, involving migration of F5 BIG-IP appliances across data centers and transition to F5OS tenants.

Location: United Kingdom

Responsibilities

• Review existing F5 configuration, identify migration risks, produce migration plan, runbook with rollback steps, and testing plan.
• Prepare UCS files, establish management access on r5600 devices, activate F5 cloud licensing, upgrade F5OS, create BIG-IP tenants, and provision modules.
• Import and adapt base configuration offline, configure HA failover, SYSLOG/SNMP monitoring, and remote authentication.
• Execute cold testing, cold commissioning, and hot failover testing on each HA pair.
• Perform like-for-like migration of LTM, ASM, and APM configurations, validate connectivity, pool member availability, application monitoring, and licensing.
• Lead two out-of-hours change windows for cutover, including failover, verification, and post-cutover testing.
• Provide up to 4 hours of post-cutover support after each window.
• Deliver a 4-hour knowledge transfer session covering operations, administration, backup/restore, and troubleshooting, and update documentation.

Requirements

• Proven F5 BIG-IP migration experience, ideally iSeries to rSeries or equivalent hardware refresh.
• Strong working knowledge of F5OS: tenant creation, licensing, platform management.
• Hands-on experience with LTM, DNS (GTM), APM, and ASM.
• Experience migrating vCMP guest configurations to F5OS tenants.
• Solid understanding of HA failover configuration and testing.
• Ability to produce professional migration runbooks, rollback plans, and test documentation.
• Comfortable managing out-of-hours cutover windows independently.
• Strong knowledge of TCP/IP, HTTP/S, DNS, and routing.