Network Architect – Basingstoke

Salary: £? – ? per year

Requirements:

• Current DV Clearance is essential.
• Proven experience as a Network Architect within defence, government, or other highly secure enterprise environments.
• Strong technical expertise in BGP, EVPN‑VXLAN, Software Defined Networking (SDN), and enterprise WAN architecture and design.
• Experience designing modern data centre network architectures.
• Strong understanding of secure‑by‑design principles and network security best practices.
• Ability to produce detailed architecture documentation, HLDs, and LLDs.
• Experience delivering large‑scale infrastructure or digital transformation programmes.
• Previous experience delivering network solutions within the MOD or wider UK Government is desirable.
• Experience working on complex, mission‑critical programmes is desirable.

Responsibilities:

• Design secure, resilient network architectures for enterprise and defence environments.
• Produce High‑Level Designs (HLDs), Low‑Level Designs (LLDs), and supporting technical documentation.
• Lead architecture decisions across data centre, campus, and WAN environments.
• Provide technical governance and architectural assurance throughout the project lifecycle.
• Work closely with engineering and security teams to ensure successful implementation.
• Support the optimisation and troubleshooting of complex network infrastructures.

Technologies:

• Architect
• Support
• Network
• Security

More:

We are recruiting for an experienced DV Cleared Network Architect to join a major MOD programme delivering highly secure, mission‑critical network infrastructure. This is a long‑term contract offering the opportunity to shape complex network architectures within one of the UKs most technically challenging environments. The role is a 15+ month contract, outside IR35, paying £650‑£750 per day, and is based on‑site in Hampshire. We are looking for someone who can work alongside engineering, security, and delivery teams to support a large‑scale digital transformation programme in a secure environment.

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