Solution Architect - National Security

Solution Architect – National Security

Location: London or Milton Keynes

Salary: £90,000 – £115,000 + excellent benefits

Clearance: Active UKIC eDV required

Are you driven by meaningful work and looking to make a real impact? We’re seeking an experienced Solution Architect to help shape innovative, secure digital services that support the UK’s national security mission.

Our client delivers high-performance technology solutions for the UK Public Sector, using modern open-source tooling and operating within Agile and DevOps environments. This role is ideal for someone passionate about designing robust, scalable architectures and influencing digital transformation at scale.

Role tasks

You’ll take a leading role in designing end-to-end solutions and guiding teams through architectural best practice. Key responsibilities include:

• Engaging with senior stakeholders to identify opportunities for transformation and contribute to strategic technology decisions
• Developing strong customer relationships and spotting new areas where the business can add value
• Supporting multiple delivery teams and championing emerging technologies and best-practice approaches
• Mentoring and inspiring fellow architects, helping them align with organisational goals
• Owning architectural governance, resolving complex technical challenges and shaping secure, high-quality solutions
• Collaborating across a variety of projects and customer environments
• Presenting solution options clearly to technical and non-technical audiences
• Working closely with internal teams to share knowledge, improve processes, and drive continuous improvement

Required exposure

You’ll have significant hands-on experience across several of the following areas:

• End-to-end technical and solution architecture design
• Modern open-source technologies
• Cloud platforms (AWS preferred)
• Security principles and best practice
• IAM, OAuth, Cognito, OIDC (highly beneficial)
• Containerisation and orchestration (Docker, Kubernetes)
• DevOps / DevSecOps tooling and methodologies
• Proficiency in multiple programming languages such as JavaScript, Java, and Python