F5 Network Engineer – Banking Client

Duration: 6

Months+

Rate: 550

GBP/Day Inside IR35

We are looking for an experienced F5 Network Engineer to join a leading banking client on a long-term contract. The successful candidate will be responsible for designing, implementing, supporting, and automating enterprise F5 load balancing solutions across a large-scale, business-critical infrastructure.

You will work closely with solution architects, application teams, operations, and infrastructure engineers to deliver highly available, secure, and scalable network services. This role also involves leading a small onshore engineering team (4–5 engineers) while overseeing a larger offshore delivery team.

• Design, configure, and support F5 LTM and GTM solutions across enterprise environments.
• Manage and mentor a team of 4–5 onshore engineers while coordinating with offshore teams.
• Work with solution architects and application teams to deliver scalable and resilient load balancing solutions.
• Perform testing, certification, and deployment of new F5 hardware and software releases.
• Troubleshoot complex networking and application delivery issues, acting as a senior escalation point.
• Develop automation for infrastructure deployment and management using Python and Ansible.
• Improve platform performance, stability, and operational efficiency through automation and best practices.
• Produce clear technical documentation and ensure environments are well monitored and supportable.
• Collaborate with internal stakeholders to understand business requirements and recommend appropriate technical solutions.

• 5–8 years of experience in Network Engineering with strong expertise in F5 technologies.
• Hands‑on experience with F5 LTM, GTM, TMSH, iControl APIs, and iRules.
• Strong understanding of networking fundamentals including:
• TCP/IP
• HTTP/HTTPS
• SSL/TLS
• DNS
• BGP
• Routing & Switching
• Experience automating infrastructure using Python, Ansible, Shell scripting, or similar tools.
• Strong troubleshooting and analytical skills.
• Excellent communication and stakeholder management skills.
• Experience with Cisco, Arista, or other enterprise networking platforms.
• Knowledge of distributed web applications and application delivery infrastructure.
• Exposure to virtualization and container technologies (VMware, Docker, Kubernetes).
• Understanding of CI/CD, SDLC, version control (Git), and deployment tools.
• F5, Cisco, or other relevant industry certifications.