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Platform Architect (SC Cleared, Remote/Hybrid) @ Sanderson Government and Defence

GBOnsiteFull-time
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About this role

Salary: £48,000 - 88,000 per year

Requirements

  • Extensive experience designing and delivering enterprise-scale AWS platforms.
  • Strong understanding of multi-account strategies and cloud operating models.
  • Experience designing secure landing zones and governance frameworks using AWS Organizations, AWS Control Tower, IAM, and Service Control Policies (SCPs).
  • Strong hands-on experience designing and implementing Infrastructure as Code using Terraform, AWS CDK, or CloudFormation.
  • Experience building and managing cloud-native runtime environments, including Amazon EKS (Kubernetes), ECS Fargate, and AWS Lambda.
  • Security clearance: SC Cleared.
  • Desirable: experience with large-scale cloud migration or transformation programmes, platform engineering and developer experience initiatives, CI/CD pipeline design and automation, complex, regulated or government environments, and Agile delivery methodologies.

Responsibilities

  • Architect and deliver secure, scalable AWS platform foundations.
  • Design and implement AWS landing zones, governance frameworks, and security guardrails.
  • Define golden paths and self-service capabilities that accelerate software delivery.
  • Develop platform standards and reusable infrastructure patterns.
  • Support the migration of applications and services into a modern AWS environment.
  • Collaborate with engineering, security, architecture, and delivery teams across the programme.
  • Contribute to the development of platform tooling, CI/CD capabilities, and cloud automation services.
  • Ensure platform solutions align with government security, resilience, and operational requirements.

Technologies

  • AWS
  • Lambda
  • Architect
  • CI/CD
  • Cloud
  • IAM
  • Support
  • Kubernetes
  • Security
  • Terraform
  • Serverless

More

We are supporting a major central government digital transformation programme and are seeking a Platform Architect for a large-scale cloud migration and modernisation initiative. You will join a high-performing consultancy team working on an AWS-based platform and the next generation of cloud-native platform capabilities. The role is based in London, with one to two days per week onsite, and pays £650 per day inside IR35. We value respect and equality, welcome applicants from all backgrounds and perspectives, and can provide support or adjustments during the recruitment process.

last updated 46 week of 2026

Skills

AWSTerraformAWS CDKAWS CloudFormationAWS EKSAWS ECS FargateAWS LambdaIAMService Control Policiesmulti-account strategiescloud operating modelLanding Zone

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