Job Title: SC Cleared Network Architect Location: Corsham Duration: ASAP - Initially until 31/12/2026 Rate: Up to £850 per day via an approved umbrella company Must be willing and eligible to go through the SC Clearance process Our client, a leading organisation in defence digital solutions, is hiring for a reputable client to support the design and assurance of secure network architectures within the OpNet Platform. This role offers a unique opportunity to contribute to critical defence projects, ensuring secure, resilient, and innovative networking solutions. What you'll be doing: * Act as the primary point of contact for network architecture and design, collaborating with programme, project, and engineering teams to ensure coherence across systems. * Support the creation, review, and assurance of high and low-level network designs, ensuring alignment with vendor best practices, MOD security policies, and Defence Digital standards. * Lead design reviews, challenge technical decisions, and ensure solutions meet security, performance, and operational requirements. * Liaise with external stakeholders and wider defence digital organisations to deliver end-to-end solutions within time, cost, and quality parameters. * Identify capability gaps, recommend improvements, and support continuous enhancement of network architectures. * Ensure all designs adhere to security principles such as Secure by Design, Zero Trust, and Data Centric Security. What you'll bring: * Extensive experience in designing secure, large-scale networking solutions, including Cisco Routing & Switching, DMVPN, IPSEC, MPLS, and VMware NSX. * Proven ability to develop complex system architectures, with a focus on virtualization and secure connectivity. * Strong understanding of routing protocols (OSPF, BGP), SD-WAN, and cloud integrations (AWS, Azure, Google Cloud). * Experience in reviewing engineering designs, implementing security best practices, and working within MOD and UK Defence environments. * Professional certifications such as Cisco CCIE, CCDP, CCNP, VMware VCP-NV, or VCDX. * Knowledge of Infrastructure as Code (IaC), security standards, and network automation principles. * Familiarity with Agile methodologies and tools like JIRA, Confluence, and BitBucket. This is an excellent opportunity to apply your expertise in a challenging and rewarding environment. If you meet these criteria and are ready to make a difference in defence digital infrastructure, we encourage you to apply today. If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website