WAN Architect / SME

Salary: £? - ? per year

Requirements:

• Extensive experience designing and assuring enterprise WAN solutions.
• Strong knowledge of MPLS, IP networking, routing, SD-WAN, network security and remote access technologies.
• Experience reviewing complex network architecture and design documentation.
• Knowledge of network monitoring, management and telecommunications infrastructure.
• Experience working in secure, regulated or Defence/Government environments.
• Strong supplier assurance, stakeholder management and communication skills.
• Familiarity with architectural governance, security assurance and Technical Design Authorities.
• TOGAF, CCNP/CCIE, JNCIP/JNCIE, ITIL and/or CISSP qualifications are advantageous.

Responsibilities:

• Provide WAN architecture expertise and technical assurance across enterprise network services.
• Review and assure HLDs, LLDs, RFCs, impact assessments, security and accreditation documentation.
• Ensure solutions align with Defence Digital standards, security requirements and strategic roadmaps.
• Support service transition, onboarding, testing and go-live activities.
• Work closely with MSPs, suppliers and stakeholders to manage technical risks and resolve design issues.
• Support lifecycle, obsolescence and replacement planning.
• Assess emerging technologies including SDN, SD-WAN, network automation, cloud connectivity and secure remote access.
• Contribute to Technical Design Authorities, governance forums and network transformation programmes.

Technologies:

• Architect
• Cloud
• Support
• ITIL
• MPLS
• Network
• Security
• TOGAF

More:

We are seeking an experienced WAN Architect for a 12-month contract offering hybrid working from Corsham and MOD sites in the UK and overseas as required. This is an inside IR35 role paying £600 to £650 per day. We are looking for someone to provide technical leadership, architecture assurance and design governance across a complex Fixed Networks portfolio within a highly secure Defence environment. This role offers the opportunity to support critical network services and transformation activity.

last updated 35 week of 2026