Security Architect

Bradley Stoke

2 months ago

Applications closed

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Security Architect - Defence Sector

Bristol based (Hybrid)

SC Eligible

Are you ready to play a pivotal role in safeguarding critical defence systems?

We're looking for a Security Architect to design and assure secure solutions that protect our nation's most vital technologies and information assets.

This is a unique opportunity to join a forward-thinking defence organisation where security is at the heart of everything we do.

The Role

As a Security Architect, you'll take responsibility for designing, implementing, and overseeing the organisation's security infrastructure - ensuring our products and systems remain resilient against evolving cyber and information security threats.

You'll work collaboratively across engineering, product, and project teams to ensure Secure by Design principles are embedded from the ground up.

Key Responsibilities:

Identify and integrate security requirements throughout the product and system development lifecycle.
Lead threat modelling and risk assessments, applying frameworks such as ISO/IEC 27001, NIST 800-30/53, and ISO 31000.
Advise on secure architectures and develop strategies to mitigate identified information risks.
Collaborate with multi-disciplinary teams to ensure compliance with MOD and HMG standards, including JSPs, Def Stan 05-138 / 05-139, and ISN 23/09 Secure by Design.
Support incident response and remediation activities for security events affecting products and systems.
Produce and maintain security documentation, policies, and training materials.
Communicate risk findings, recommendations, and mitigation strategies to both technical and senior stakeholders.

About You

You'll bring a strong foundation in information and cyber security within a Defence or Government environment, along with the ability to engage confidently across diverse teams.

Essential Experience:

Proven track record in security architecture or security engineering roles within the Defence, Aerospace, or National Security sectors.
Deep understanding of HMG Security Policy Framework and MOD-specific standards.
Familiarity with risk management methodologies (ISO 27001/2, ISO 27005, NIST frameworks).
Strong analytical and problem-solving abilities - able to assess complex data and provide actionable insights.
A collaborative communicator who can balance technical assurance with business priorities.
Ability to work proactively, manage multiple projects, and maintain focus under pressure.

Why Join Us?

At the forefront of the UK's defence innovation, you'll work on projects that directly contribute to protecting national interests and ensuring operational resilience.

We offer:

A hybrid working environment based in Bristol

Opportunities for career growth and security accreditation

Exposure to cutting-edge technologies and mission-critical systems

A culture that values collaboration, integrity, and continuous improvement

If you're an experienced Security Architect who thrives in complex, high-assurance environments - and you're motivated by the mission to protect what matters most - we'd love to hear from you.

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