Senior Network Architect

Salary: £? - ? per year

• Extensive experience in enterprise network architecture and design.
• Strong expertise in end-to-end data centre design and hybrid cloud networking.
• Proven delivery of secure, resilient, and cost-effective LAN, WAN, and cloud network solutions.
• Deep technical knowledge of Cisco networking technologies, including ACI, Nexus, Catalyst, ASR, and Firepower/NGFW.
• Experience with VMware NSX and Palo Alto firewalls.
• Experience designing and governing networking across VMware private cloud, Microsoft on-premises, and Azure and/or AWS environments.
• Strong customer-facing and stakeholder management skills.
• Experience producing and reviewing architecture artefacts using TOGAF and recognised architecture frameworks.
• Knowledge of UK Government security frameworks, NCSC guidance, Secure by Design, Zero Trust, and cloud security principles.
• Experience with network automation, orchestration, and air-gapped or highly secure environments.
• Relevant certifications such as CCNP, PCNSE, VCP-NV, Azure Network Engineer, AWS Solutions Architect, or equivalent experience.
• DV Clearance.
• British citizenship.

• Lead architecture and design for large-scale network and connectivity solutions.
• Produce and govern high- and low-level designs, ensuring alignment with enterprise architecture and security standards.
• Provide technical leadership and guidance to architects, engineers, and project teams.
• Review and assure complex technical solutions through governance and design authority processes.
• Engage with business stakeholders, suppliers, and delivery teams to translate requirements into robust technical designs.
• Drive network strategy, standards, automation, and continuous improvement initiatives.
• Support risk management, compliance, and operational assurance activities.
• Own end-to-end network architecture across physical and logical domains, including LAN, WAN, SD-WAN, cloud networking, firewalls, load balancers, VPNs, and network security services.

• AWS
• Architect
• Azure
• Cloud
• Cisco
• CTO
• Support
• LAN
• Network
• Nexus
• Security
• TOGAF
• VMware
• E2E

We are recruiting for an experienced Senior Network Architect to work directly with our CTO on a major enterprise network and data centre transformation programme. This is a key 9‑month contract role, inside IR35, based in Milton Keynes with a hybrid working arrangement of 3 days onsite. The role offers an opportunity to lead secure, resilient, and scalable network architecture across complex enterprise environments, working closely with senior stakeholders, delivery teams, and suppliers.

Please note that this role requires DV clearance and we can only accept applications from British citizens.