Network Architect (£650/day OUTSIDE IR35)

Senior Network Architect – WAN Modernisation & National Communications Programmes
Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly.
Location: Remote, occasional travel in Thames Valley region
Contract: 6 months initial (possible extensions)
Rate: £650 per day (outside IR35)
About The Role
We are seeking an experienced Senior Network Architect to provide technical leadership across two high-profile programmes:

• Network Modernisation: Leading the migration from traditional MPLS/DVPN networks to Fortinet SD-WAN, including managing supplier transitions and ensuring continuity across multi-site environments.
• National Communications Programme: Supporting engagement with the Emergency Services Mobile Communications Programme (ESN/ESMCP), maintaining awareness of TETRA/Airwave systems and national initiatives.

What You'll Do:

• Provide strategic technical oversight and leadership on large-scale network programmes.
• Challenge and guide third-party network designs to ensure secure, high-quality delivery.
• Oversee supplier transitions, including offboarding and onboarding, maintaining service excellence.
• Advise on Cisco LAN environments, including Cisco Catalyst technologies.
• Support secure-by-design practices and act as a trusted technical advisor to stakeholders.

What We're Looking For (Essential):

• Proven experience leading WAN modernisation programmes, particularly MPLS to SD-WAN migrations.
• Hands-on experience with Fortinet SD-WAN solutions.
• Strong background in Cisco LAN infrastructure.
• Experience in customer-side technical leadership during supplier network transitions.
• Experience in secure or "blue light" environments (policing or emergency services preferred).
• Demonstrable ability to lead complex projects and resolve challenging situations.
• Awareness of TETRA/Airwave networks and ESN/ESMCP programme.

Desirable:

• Experience with national or multi-site programmes.
• Relevant certifications (e.g., CCNP, Fortinet NSE).

This is a high-impact, strategic role where your technical expertise and leadership will directly influence the success of critical network and communications programmes.