Senior Network Engineer

• Deliver low-level design (LLD) and hands-on implementation of network solutions
• Configure, deploy, and support F5 (primarily LTM) across both physical and virtual environments
• Implement and manage Firewall solutions (Palo Alto and Fortinet)
• Work with Arista switching technologies within enterprise-scale environments
• Support network optimisation, upgrades, and migrations
• Collaborate with internal teams to ensure smooth project delivery
• Troubleshoot and resolve complex network issues

This role requires a well-rounded, senior-level engineer with a strong mix of F5, Firewall, and switching (Arista) expertise, capable of working hands-on while contributing to detailed design and deployment activities., * Strong experience no across:

• F5 BIG-IP (LTM essential)
• Firewalls - Palo Alto and/or Fortinet (both preferred)
• Arista switching

Proven track record in low-level design and implementation

Deep understanding of enterprise networking (routing, switching, security)

Experience working in complex, large-scale environments

Ability to work independently in a senior, hands-on capacity

Desirable Skills

• Experience with multicast networking (highly desirable but not essential)
• Exposure to hybrid or multi-vendor environments

Mainly Remote some travel to London possibly 1 day per week - £470 per day (Inside IR35) Contract Posted by: WNTD Posted: Wednesday, 25 March 2026 Applicants must be eligible to work in the specified location