Network Architect (DV Security Clearance) Position Description CGI''s Space, Defence and Intelligence business unit designs, builds and operates secure, mission-critical systems across defence, intelligence, aerospace, maritime and space. We combine deep technical expertise with leading technology partners to deliver complex infrastructure and cyber solutions.CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ''Best Employer'' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare and a share scheme (3.5% + 3.5% matching), making you a CGI Partner rather than simply an employee.This role is based on-site near Chippenham, five days per week. Due to the secure nature of the programme, you must hold UK Security Clearance.Your future duties and responsibilities As a Network Architect, you will define and assure secure, resilient network architectures across physical, virtual and software-defined infrastructure, with a strong focus on VMware NSX-T/NSX and network virtualisation.You will design NSX networking solutions covering logical switching and routing, overlay/underlay integration, Tier-0/Tier-1 gateways, Edge services, segmentation, micro-segmentation and distributed firewalling. You will ensure effective integration between NSX, physical networks, VMware infrastructure and Kubernetes/VKS platforms.Working across infrastructure, security and engineering teams, you will provide technical ..... full job details .....