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

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- £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.

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