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Principal Platform Architect (OpenShift)

Summary

The Principal Platform Architect will lead the strategy, design, and governance of large-scale Red Hat OpenShift container platforms in complex enterprise environments. The role focuses on high-level architecture, platform security, and resilience using technologies like Kubernetes, Terraform, and CI/CD.

Salary: £100,000 - 100,000 per year

Requirements:
  • Commercial Red Hat OpenShift platform architecture experience is essential.
  • Experience with enterprise Kubernetes platform architecture and platform lifecycle management.
  • Experience designing, evolving, and governing production container platforms.
  • Experience in platform engineering, microservices, and cloud-native technologies.
  • Experience with Infrastructure as Code, including Terraform, CI/CD, and automation.
  • Experience in hybrid cloud and/or on-premise platform environments.
  • Experience with high availability, resilience, disaster recovery, and platform security.
  • Experience working within large enterprise, managed services, or regulated environments.
  • Applicants must be Sole UK Nationals and eligible to obtain SC Security Clearance; active SC is advantageous.
Responsibilities:
  • Take ownership of the architecture and evolution of large-scale Red Hat OpenShift platforms supporting business-critical services.
  • Define platform strategy and influence technical direction.
  • Ensure enterprise OpenShift platforms remain secure, resilient, and scalable as they evolve.
  • Solve platform-wide challenges and set architectural standards.
  • Shape long-term platform strategy.
  • Work closely with engineering teams to evolve enterprise platforms.
Technologies:
  • Architect
  • CI/CD
  • Cloud
  • Kubernetes
  • OpenShift
  • PLC
  • Security
  • Terraform
  • microservices

More:

We are recruiting for a Principal Platform Architect to join us in a hybrid role based in the Reading area, with two days per week on site. This is a strategic opportunity to work on large-scale Red Hat OpenShift platforms in complex enterprise environments, supporting business-critical services. The role offers a salary of up to £110,000 plus bonus. We are looking for someone who has moved beyond implementation and enjoys influencing architecture, governance, and long-term platform direction. RSG Plc is acting as an Employment Agency in relation to this vacancy.

last updated 34 week of 2026

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