Security Engineer

Defence
Bristol
1 week ago
Applications closed

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Security Engineer

Security Engineer

Security Engineer - GRC focus (various roles) - £100-150k Salaries

Security Engineer

Security Engineer

Security Engineer - GRC focus (various roles) - £100-150k Salaries

Security Engineer - Bristol (Hybrid)
Security Clearance: SC (Eligible)
DefStan | NIST | Threat Modelling
Are you passionate about securing the future of critical technology? Do you have deep working knowledge of NIST standards and Defence Standards like DefStan 05-138 Issue 3 and DefStan 05-139 Issue 1 ?
We're hiring a Product Security Engineer to help shape the security architecture of next-generation defence and technology systems. This is a high-impact role where your expertise in threat modelling, risk assessment, and secure-by-design engineering will drive innovation and resilience from day one.

What You'll Be Doing:

Leading product risk assessments and driving security improvements across the full development lifecycle.

Conducting threat modelling and collaborating closely with engineers to embed security at every layer.

Applying your hands-on knowledge of DefStan 05-138 and 05-139 to ensure products meet UK defence requirements.

Leveraging the NIST 800 series (an absolute must) to establish best-in-class security frameworks.

Performing code reviews , penetration testing, and guiding remediation efforts.

Producing clear, robust documentation such as RMADS and Security Assurance artefacts.

What You Bring:

Proven experience with NIST 800-30, 800-37, 800-53 and related frameworks. (Essential)

Practical, working knowledge of Defence Standards , especially DefStan 05-138 and DefStan 05-139 .

Familiarity with threat modelling tools and methodologies.

Solid understanding of ISO 27001/2 , ISO 31000 , and JSPs .

Strong communication skills with the ability to simplify complex risks for non-technical stakeholders.

A passion for secure design, ethical problem solving, and delivering high-assurance solutions.

You'll Thrive In This Role If You:

Enjoy working at the intersection of engineering, cyber, and defence.

Are detail-oriented and solutions-driven with a calm, analytical approach to security challenges.

Can manage multiple projects and priorities in a dynamic, agile environment.

TPBN1_UKTJ

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