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# Security Architect - 6 Month Contract - Hybrid in London, Bristol or Birmingham - Inside IR35

- **Company:** Hamilton Barnes
- **Location:** London, UK
- **Salary:** £156,000.0
- **Contract:** Temporary contract
- **Skills:** Cloud Computing Security, Cyber Security, Software Design Patterns, Identity and Access Management, Information Systems Security Architecture Professional, Network Security, Zero Trust Network Access, Sherwood Applied Business Security Architecture, Togaf
- **Published:** October 27, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-7C528D2F4F9F20E8DC/

## About the Role

* Proven experience as a Security Architect designing and assuring secure solutions in Government, Defence, or other regulated environments
 * Strong knowledge of security architecture frameworks and standards such as NIST, ISO 27001, and NCSC guidance, with Secure by Design experience
 * Experience conducting security risk assessments and producing security design documentation (HLDs/LLDs)
 * Strong understanding of identity and access management, network security, cloud security, and Zero Trust principles
 * Strong stakeholder management and communication skills - active SC or DV clearance required - desirable: CISSP, CCSP, SABSA, or TOGAF certification

## Description

We are looking for a Security Architect to provide security architecture leadership on a 6-month hybrid contract (1 day per week on-site) based in London, Bristol, or Birmingham. The role covers the design, assurance, and governance of secure solutions within a regulated environment, translating business and technical requirements into security architectures that meet policy, risk, and compliance obligations. Candidates must hold active SC or DV clearance., * Define and own security architecture and design for complex solutions, ensuring alignment with Secure by Design principles and applicable security policy and standards

 * Produce and review security artefacts including HLDs, LLDs, security architecture documentation, and design patterns
 * Conduct security risk assessments, identify threats and vulnerabilities, and recommend and agree mitigations with stakeholders
 * Provide design assurance and security guidance to engineering and project teams throughout the delivery life cycle
 * Support accreditation and assurance activities, including evidence production and engagement with assurance bodies
 * Represent security at design boards and governance forums, communicating risk clearly to technical and senior stakeholders