​Job Title: F5 Network Engineer – Banking Client

Location: London (Hybrid – 3 days per week onsite)

Duration: 6Months+

Rate: 550GBP/Day Inside IR35

About the Role

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.

Key Responsibilities

• 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.

Required Skills & Experience

• 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.

• Good Linux command-line administration skills.

• Strong troubleshooting and analytical skills.

• Excellent communication and stakeholder management skills.

Desirable 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.