Lead Assurance Architect

Posted Monday 29 June 2026 at 00:00 | Expires Friday 31 July 2026 at 23:59

Job Title: Lead Assurance Architect

Job Type: Permanent

Clearance Requirements: SC & NPPV3

We are the Information Intelligence Group (IIG) of CACI UK, a specialist technical consultancy providing bespoke solutions to solve complex operational problems. Due to growth within our Central Government businesses, we are looking for an experienced Solutions/Assurance Architect to join our growing team.

We’re looking for a senior Governance and Assurance Architecture lead to shape and drive high‑assurance design across complex, regulated environments. You’ll lead architectural decisions, embedding governance, risk and compliance into every layer, while defining standards and assuring secure, scalable and auditable outcomes across critical public sector programmes.

Due to the industries this role will be associated with, we require the successful candidate to be eligible for security clearance & NPPV
3. To qualify for this, you must be a British Citizen only and have lived permanently in the UK for the last 5 years.

• Deliver Technical Design Authority level technical and infrastructure architecture oversight to solution development and implementation.
• Provide guidance and assurance of supplier designs and technical implementation plans.
• Provide technical assurance of supplier documents.
• Identify key technical integration risks and issues along with recommendations for resolution and/or mitigation.
• Provide technical input to test phases, connectivity validation activities, and assure technical resolution of issues raised during these activities.
• Provide technical input to the spoke Technical Design Authority.
• Deliver technical designs and ongoing architectural input to delivery of the environmen.
• Provide technical assurance related to designs and workflow of the service gateway and IDENT1 components of the system.
• Run monthly system level Security Working Groups.
• Provide security architecture, risk assessment, design and delivery assurance public sector projects.

• Strong expertise in Governance, Risk, and Compliance (GRC), with the ability to embed controls and assurance processes into architecture and delivery.
• Proven experience leading architecture assurance and design governance, including participation in design authorities and technical review boards.
• Solid background in solution and/or enterprise architecture, delivering secure, scalable systems aligned to business and regulatory needs.
• Experience working within public sector or highly regulated environments, with knowledge of relevant standards (e.g. NCSC guidance, ISO frameworks, GDPR).
• Background in consulting or professional services, with the ability to engage clients, shape solutions and influence senior stakeholders.
• Strong understanding of secure‑by‑design principles, including identity, data protection, and risk mitigation.
• Working knowledge of AWS and cloud governance models, including guardrails and secure landing zone concepts.
• Excellent communication and leadership skills, with the ability to articulate complex assurance concepts to both technical and non-technical audiences.

CACI is proud to be an equal opportunities employer. Embracing the diversity of our people, we are on a journey to build a truly inclusive work environment where no one is treated less favourably due to ethnic origin, age, gender, veteran status, religion or belief, sexual orientation, marital status and disability or health condition, actively working to prevent discrimination.

As a Disability Confident employer, we will:

• Provide reasonable adjustments in the recruitment process where requested (contact a member of the recruitment team on  to discuss individual requirements further).

Our people are unique and we encourage, and support them, to be confident in contributing to our inclusion journey.