Security Architect - Defence

Security Architect - Defence & Space

Location : Newport (4 days onsite, Fridays offsite)

Contract : 6 months (potential extension)

Hours : 35 hours per week

Pay Rate : £63.54 per hour PAYE / £85 per hour Umbrella

Security Clearance : SC Clearance (Sole British National required)

IR35 Status : Off-payroll working rules apply

About the Role

We are seeking an experienced Security Architect to design, develop, and maintain secure system architectures for MOD platforms, applications, and networks. You'll ensure alignment with industry and government standards, produce and maintain security documentation, and collaborate with engineering and development teams to embed security requirements from the outset.

Key Responsibilities

Design and maintain secure architectures for MOD platforms, applications, and networks

Ensure compliance withNIST SP 800-53, ISO 27001,JSP 440, DEF STAN 05-138, andNCSC guidance

Produce security documentation, risk assessments, and management plans

Lead secure design reviews and support engineering assurance gates

Liaise with MOD,NCSC, Information Assurance teams, and other stakeholders

Stay up to date with evolving threat landscapes and proposemitigations

About you

Minimum 6years' experience incyber security architecture within defence, aerospace, or critical national infrastructure

Strong knowledge of MOD security requirements (JSP 440,JSP 604, DEFSTANs)

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