Security Architect +6 months + +Hybrid working in Corsham +Inside IR35 +SC cleared role Skills: +MOD +HLD / LLD + VMware Horizon, ESXi, vCentre, vSAN +PKI We are seeking an experienced Security Architect to support the design and assurance of secure, enterprise-grade solutions for a major MOD NSOIT programme. Working at the heart of the OpNET Solution Design Authority, you'll play a vital role in developing secure, interoperable, and compliant architectures for a complex, high-security environment. Key Responsibilities: Provide expert security input into OpNET's technical roadmap and High-Level Designs (HLDs) for the NSOIT solution. Design Intermediate Level Designs (ILDs) that align to MOD policies and industry best practices. Review and assure Low-Level Designs (LLDs) and Detailed-Level Designs (DLDs). Identify system vulnerabilities and advise on mitigation strategies. Assess and review third-party services for security compliance. Define and document security elements within the architectural runway, guiding platform and cyber teams (e.g., logging, antivirus, cyber defence, firewall configuration). Essential Skills & Experience: Proven experience delivering secure architecture within complex, large-scale government or defence programmes. Deep knowledge of: Secure infrastructure and software solution design MOD security standards and NCSC design patterns Public and priv...