Hays Specialist Recruitment

Network Design Engineer (Arista/F5/Fortinet)

London EC2V 6DN

Key information

Pay
£500 to £650 a day
Hours
Full-time
Contract
Contract
Posted date
20 Oct 2026
Closing date
3 Nov 2026

About this role

My client is a leading Financial Markets organisation seeking an experienced Network Design Engineer to join a major FX Trading Platform programme.

This role will focus on the design, implementation and modernisation of complex network infrastructure supporting a large-scale trading environment. You will work closely with engineering, architecture and business stakeholders to deliver resilient, secure and low-latency network solutions.

Rate

Up to £650pd Inside IR35 via Umbrella

Duration

12-Month Contract

Location

London, Hybrid (3 days on-site)

Key Requirements

  • Strong Network Design and Implementation experience
  • Multicast networking expertise
  • Strong Arista networking experience, ideally including spine-leaf fabric architecture
  • F5 Load Balancer experience
  • Fortinet, Palo Alto and/or Check Point experience, ideally including firewall migration or replacement programmes
  • Strong Routing & Switching knowledge
  • Experience within Financial Services, Trading or Capital Markets environments
  • Experience producing HLDs, LLDs and technical documentation
  • Strong stakeholder engagement and communication skills

What to do next

If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV.

If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.

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