Security Architect

Certain Advantage Careers; Newport; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

A major defence organisation in the United Kingdom is seeking a Security Architect (Cyber) to design and maintain secure system architectures for mission-critical MOD programmes. The role involves aligning solutions with defence security standards, collaborating with multiple stakeholders, and producing essential security documentation. The position offers a 6-month contract with the potential for extension and requires ACTIVE SC Clearance. Competitive rate negotiable based on experience.

Qualifications

• ACTIVE SC Clearance is required.
• Experience with defence and national security standards.
• Ability to produce Security Architecture Documents and Risk Assessments.

Responsibilities

• Design and develop secure architectures for MOD platforms.
• Align solutions with security frameworks.
• Produce and maintain security documentation.
• Lead design reviews and ensure compliance.
• Collaborate with various teams for accreditation support.
• Stay updated on threats and suggest measures.

Skills

Security architecture design

Cyber assurance

NIST SP 800-53 knowledge

ISO 27001 knowledge

Risk assessment

Collaboration with engineering teams

Job description

Security Architect

Newport, South Wales (4 days onsite / Fridays remote)

6 month contract (strong potential for extension)

Rate : Negotiable (DOE)

• ACTIVE SC Clearance is required

About the Role

A major defence organisation is seeking a Security Architect (Cyber) to play a key role in shaping, developing, and maintaining secure system architectures across mission-critical MOD programmes.

Youll ensure all solutions align with defence and national security standards, working closely with internal engineering teams, MOD stakeholders, and security authorities to uphold the highest standards of cyber assurance.

Key Responsibilities

• Design and develop secure architectures for MOD platforms, systems, and networks.
• Align solutions with frameworks such as NIST SP 800-53, ISO 27001, JSP 440, DEF STAN 05-138, and NCSC guidance.
• Produce and maintain documentation: Security Architecture Documents, Risk Assessments, and Security Management Plans.
• Lead and support design reviews and assurance gates.
• Liaise with MOD, NCSC, and Information Assurance teams to support accreditation and assurance.
• Collaborate with engineering teams to embed security from concept through to delivery.
• Keep up to date with evolving threats and recommend response measures.