Lead Technical Architect

Company cultures & job summary

Our client is a highly respected consultancy delivering large-scale digital and technology programmes across Central Government, supporting critical services that have a real impact nationwide.

They are looking for an experienced Lead Technical Architect to join an established Cloud Platform team, working closely with a Lead Site Reliability Engineer to provide technical leadership and architectural direction. The team is driving the development of a robust AWS platform, with key initiatives including AWS Control Tower, landing zone architecture, account vending, FinOps, and the integration of AWS Identity Centre with Entra ID.

This is an opportunity to influence the future direction of a major government cloud capability, helping to define best practices, governance frameworks, and scalable architectural patterns that will be adopted across multiple teams.

To be successful, you'll bring extensive AWS architecture expertise, a strong understanding of UK Government security and compliance requirements, and the ability to communicate complex technical concepts clearly to both technical and non-technical stakeholders. Active SC Clearance is essential.

If you're looking for a role where you can make a tangible impact on high-profile government programmes, apply today to find out more.

Working Patterns and location – Remote, potential UK travel ADHOC

• Provide technical leadership and strategic architectural guidance across the Cloud Platform programme.

• Design, develop, and enhance AWS organisational structures, including Organisational Units (OUs) and Service Control Policies (SCPs), to strengthen governance and compliance.

• Lead the architecture and delivery of AWS Control Tower implementations and scalable landing zone solutions.

• Drive the continuous improvement of account provisioning processes, increasing automation, consistency, and user experience.

• Lead the integration of AWS Identity Centre with Entra ID, enhancing joiner, mover, leaver (JML) processes and privileged access management.

• Champion FinOps best practices to improve cost transparency, financial governance, and cloud spend optimisation.

• Define and maintain architectural principles, standards, and guardrails to ensure consistency across the platform.

• Collaborate with technical teams and stakeholders to align priorities, support decision-making, and deliver roadmap objectives.

• Extensive experience working as a Lead Technical Architect within enterprise-scale AWS cloud environments.

• Strong expertise in AWS Control Tower, landing zone architecture, and AWS organisational design, including Organisational Units (OUs) and governance structures.

• Proven track record of designing and delivering AWS Identity Centre integrations with Entra ID to support secure and efficient identity management.

• Comprehensive understanding of UK Government cloud security requirements, compliance standards, and governance frameworks.

• Experience establishing, documenting, and promoting architectural principles, standards, and best practices across multiple teams.

• Good knowledge of FinOps disciplines, cloud financial governance, and cost optimisation strategies.

• Strong communication and stakeholder management skills, with the ability to work effectively across multidisciplinary teams and at senior levels.

• Demonstrated ability to assess, justify, and document architectural decisions, balancing considerations such as security, cost, operational efficiency, and user needs.

The client would also like to see some of the below, but this is not essential:

·        Previous experience working within Central Government or GDS-aligned programmes.

·        Familiarity with SFIA frameworks at level 5 or 6.

·        Experience working alongside Site Reliability Engineering teams on shared platform delivery.

·        AWS certifications such as Solutions Architect Professional or Security Specialty.

Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.

Part-time opportunities/flexible working is available to suit individual needs.

Please note that the client has determined that the off-payroll working rules will apply to this assignment and therefore this contract will be run through an Umbrella Company. Income tax and primary national insurance contributions will be deducted at source from any payments made to the intermediary.

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You will be required to hold a minimum of SC Clearance. If you do not hold an active SC Clearance, please familiarise yourself with the vetting process before applying.

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