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Contract

Security Architect

Corsham
money-bag £500 - £725/day
Posted 6 days ago

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 private cloud solutions using Software Defined Datacentre (SDDC)

    • Secure cryptographic provisioning, PKI, ADFS, proxy services

    • Defence Lines of Development and MOD Capability Integration

  • Technical expertise across:

    • VMware Horizon, ESXi, vCentre, vSAN

    • Microsoft Server (Apply online only)), Windows 10, Exchange, SQL, Skype, Group Policy

    • Linux-based VDI solutions

  • Experience with MOD service management tooling and ITIL

  • Strong communication and analytical skills, with the ability to engage diverse technical and non-technical audiences.

  • Security certifications and experience with accredited secure solutions in the UK Public Sector.

  • Current SC clearance

If you''d like to discuss this Security Architect role in more detail, please send your updated CV to (url removed) and I will get in touch.

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