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Posted 05 August, 2026

Security Architect (SC cleared)

Sanderson Government & Defence
City of London, ENG, GB Full Time

Job Description

Job Title: Technical Cyber Security Architect (SC)

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Location: Remote (UK-based) with travel as required

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Employment Type: Full-time, Permanent

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Security Clearance: Candidates must hold SC level clearance and meet UK residency requirements

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About the Role

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We’re looking for a Security Architect to join our client; a leading Cyber Consultancy that’s shaping the future of secure digital transformation.

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This is a unique opportunity to work alongside expert peers in Secure Architecture and Risk Planning, contributing to a culture of collaboration, innovation, and continuous learning. You’ll help clients define and implement security architectures that protect their assets and enable confident decision-making.

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Key Responsibilities

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  • Providing expert secure design advice and guidance to projects from the Discovery phase and throughout the life cycle through to disposal.
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  • Ensuring adherence of solution and product designs to security standards, blueprints and architectural patterns.
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  • Validating the design, implementation and effectiveness of security controls to confirm they meet their intended objective.
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  • Delivering security architecture to support deployment of large data-driven services into private and public cloud environments.
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  • Designing and scoping IT Health Checks which will identify principal security concerns for service-lines.
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  • Reviewing outcomes of the ITHC and providing advice and guidance, and where required production of an action plan for vulnerabilities identified with clear recommendations and outcomes to mitigate and address.
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  • Delivering risk, threat modelling and analysis for systems, applications and infrastructure.
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  • Designing proportional security controls to bring risk within appetite, leveraging native cloud technologies.
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  • Producing security architecture design artefacts including standards and blueprints.
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  • Promoting the adoption of architectural and Secure By Design principles to reduce information risk.
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  • Identifying security risks that arise from potential solution architectures, advising and assuring alternate solutions or counter measures to mitigate identified information risks.
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What You’ll Bring

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Prior and proven experience gained as a Security Architect or in a technical cyber role working across public sector / government agencies.

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Expertise in:

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  • Security legislation (GDPR, PCI DSS, ICO)
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  • Frameworks (ISO 27001, NIST CSF, CIS Controls v8)
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  • HMG/NCSC policies and guidance
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  • Cloud security (AWS, Azure)
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  • Microservice architectures
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  • PKI, Cryptography, Privileged Access Management
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Certifications: SABSA, TOGAF, AWS/Azure Architect, CISSP, CISM (or working towards CIISEC/UK Cyber Security Council registration).

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Soft Skills: Strong analytical thinking, communication, teamwork, and adaptability.

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What’s in it for You

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  • Flexible Working: Remote-first with travel as needed.
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  • Career Development: Continuous learning and professional growth.
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  • Benefits Package: Includes Private Health Care, Cash Back Plan, Buy/Sell Holiday Options, Life Assurance, and more.
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Interested?

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Submit your application to learn more about this exciting opportunity.