Security Architect

Security Architect

Salary: £90,000 – £100,000 DOE

Location: Hybrid – Corsham (1-2 days per week)

Essential: Live SC clearance

Role Overview

We are seeking an experienced Security Architect to support the delivery of secure, assured, and compliant architecture solutions within a Defence environment. The successful candidate will provide architectural governance, design assurance, and subject matter expertise to ensure that security is embedded throughout solution development and delivery in line with Defence standards and Secure by Design (SbD) principles.

This role requires a collaborative individual who can influence stakeholders across programmes and workstreams, contribute to governance activities, and help maintain consistency and quality across security architecture outputs.

Key Responsibilities

• Support the development, review, and approval of architecture documentation, including High-Level Designs (HLDs) and Low-Level Designs (LLDs)
• Provide feedback and guidance to projects, programmes, and formal Architecture Governance Boards in accordance with SoR Requirement 29
• Ensure consistent implementation of architecture processes aligned to Defence standards, approved architectural blueprints, and design patterns
• Provide subject matter expertise into solution design activities, ensuring alignment with Secure by Design (SbD) principles
• Collaborate closely with Workstream Leads, Security Assurance Coordinators (SACs), SbD Leads, and Risk Leads to maintain architectural coherence across programmes
• Contribute to architectural governance and design assurance activities to reduce delivery risk and improve security outcomes
• Support the adoption and application of defence security standards and architectural governance frameworks

Relevant Experience

• Minimum 5 years’ experience in Security Architecture or related security assurance roles
• Applied experience of defence security standards, design assurance, and architectural governance
• Experience working within Defence environments or programmes
• Demonstrable experience supporting secure solution design and governance processes

Minimum Qualifications

Candidates must hold either:

One of the following:

• UKCSC Principal – Secure System Architecture

Or two or more of the following:

• TOGAF
• MODAF
• CCSP
• SABSA Practitioner

Key Skills & Attributes

• Strong understanding of secure architecture principles and governance
• Knowledge of Secure by Design (SbD) methodologies
• Ability to influence stakeholders and provide clear architectural direction
• Strong communication and collaboration skills
• Experience working within regulated or high-assurance environments
• Ability to balance security requirements with operational and programme needs

Benefits / Value Delivered

• Improved quality and consistency of security architecture and Secure by Design outputs
• Strong alignment with Defence architecture governance and standards
• Reduced risk of rework through early-stage design assurance
• Enhanced confidence in security controls across all classifications
• Improved collaboration and architectural coherence across programmes and workstreams

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.