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 and Experience:Proven experience delivering secure architecture within complex, large-scale government or defence programmes.Deep knowledge of:Secure infrastructure and software solution designMOD security standards and NCSC design patternsPublic and private cloud solutions using Software Defined Datacentre (SDDC)Secure cryptographic provisioning, PKI, ADFS, proxy ..... full job details .....