Lead Technical Architect

Lead Technical Architect – DV Security Cleared (Developed Vetting)

A government client based in Milton Keynes, with commutable locations including Northampton, East Midlands, Luton, and North London, seeks a hybrid role.

Working in a DV Security Cleared environment. Due to the urgency of the role, DV clearance is required (or eligible).

Essential

• Degree or equivalent experience in Computer Science, Network Engineering, or Telecommunications
• TOGAF, ITIL, Agile Project Management, PRINCE2, or equivalent experience
• (CCNP), VMware Certified Professional – Network Virtualisation (VCP‑NV), Palo Alto (PCNSE), Microsoft Certified: Azure Network Engineer Associate, AWS Certified Solutions Architect – Associate
• Designing and governing secure networks using VMware (private cloud), Microsoft on‑premise, and multi‑cloud (Azure and/or AWS) technologies
• Led scalable, resilient, and cost‑efficient LAN, WAN, and hybrid cloud network designs
• Translate business/security requirements into secure, efficient, and cost‑effective designs
• Reviewing and assuring complex solutions and authoring concise and high‑quality high and low‑level designs using the TOGAF framework
• Expertise in network automation, provisioning, and orchestration
• Leading and managing technical architects

Knowledge

• Designing secure or air‑gapped platforms within the government sector
• Knowledge of NCSC, GDS, and UK government security frameworks, including Secure by Design, Cloud Security Principles, Government Functional Standards, and the Technology Code of Practice
• Design knowledge of modern practices such as zero trust architecture and network automation
• Designing cloud‑native networking within Microsoft Azure/AWS (Azure VNet/AWS VPC)
• Deep technical knowledge across physical and logical network architectures, including Cisco (ACI, ASA, Firepower (NGFW), ASR, Catalyst, and Nexus), VMware NSX, and Palo Alto Firewalls
• Strong understanding of networking protocols and technologies such as VLANs, MPLS, IPsec, OSPF, BGP, SD‑WAN, SDN, TCP/IP, ICMP, VPN, DNS, and QoS
• Design knowledge of F5 BIG‑IP (LTM, ASM) and experience with monitoring platforms such as SolarWinds and PRTG
• Understand the design, configuration, integration, and operation of high‑grade encryption devices

Experience

• Designed architectures for secure environments, ideally within government or defence
• Developed and maintained technical roadmaps aligned with organisational strategy
• Evaluated solution options and advised on time, cost, quality, and security trade‑offs
• Experience architecting DDoS protection and mitigation alongside firewalls, WAF, IDS/IPS, and EDR/XDR/NDR systems

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