Security Assurance Architect - MOD DV - IR35 TBC

Cyber Security Architect / Assurance

• Location(s): Remote, Bristol and Newbury
• Type: Flexible, driven by work requirements
• IR Status: TBC
• Rate: £600 – £800
• Clearance: Must have active MOD DV
• Length: 3-6 months

Sanderson G&D are seeking an MOD DV Cleared Security Architect for an existing programme of work in the defence sector.

Role/Requirements

• Assuring secure system architectures aligned to NCSC principles, JSP 440, JSP 604, and MOD security patterns.
• Inputting into High‑Level Designs (HLDs) and Low‑Level Designs (LLDs) with explicit security controls.
• Conducting threat modelling (STRIDE, attack trees, kill chain analysis).
• Identifying and documenting security requirements for systems, networks, and cloud services.
• Ensuring designs meet classification requirements

• Security Controls & Patterns
• Advising and assuring secure configuration baselines
• Designing identity, access, and privilege models (RBAC, Zero Trust, MFA, PAM).
• Ensuring encryption, key management, and data‑handling controls meet MOD standards.

• Design Governance
• Presenting designs
• Ensuring all designs are traceable to MOD security policies and risk appetite.

• Assurance Activities (Compliance, Risk, Accreditation)

• Risk & Compliance
• Conduct risk assessments using MOD‑approved methodologies (e.g., NIST, ISO 27005).
• Produce and maintain Security Risk Assessments (SRAs) and Risk Treatment Plans (RTPs).
• Identify non‑compliances and propose compensating controls.

• Accreditation & Governance
• Support or lead the RMADS (Risk Management and Accreditation Document Set).
• Work with the Accreditor, DAIS, or Security Assurance Coordinator (SAC).
• Prepare evidence for Security Assurance Cases and IA artefacts.

Reasonable Adjustments:

Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.

If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.