Release Manager - GCP

Job Title: GCP Release Manager

6 month contract / London onsite / Inside IR35 - must have GCP experience

Job Description

This contract role focuses on the end-to-end quality assurance, testing, and production release of Google Cloud Platform components within a hybrid cloud environment. You will work primarily with GCP as the main deployment target while operating AWS-hosted release tooling, ensuring that cloud-native applications are released in a reliable, controlled, and well-documented manner. The position suits a technically hands-on professional who is quality-focused, comfortable working across GCP, AWS, and Kubernetes, and able to contribute effectively with minimal onboarding.

Responsibilities

• Own and manage the end-to-end release lifecycle for GCP components, from creation of release candidates through to production deployment.
• Enforce quality assurance gates across the delivery pipeline, ensuring only thoroughly tested changes progress to production.
• Plan, execute, and coordinate functional, regression, integration, and smoke testing for cloud-native applications.
• Operate and maintain AWS-based release tooling, including management of artefact promotion and cross-cloud deployment flows.
• Manage Kubernetes deployments on GKE, including rolling deployments, configuration changes, and environment updates.
• Perform post-release validation to confirm application and platform health, including readiness for rollback where required.
• Troubleshoot issues at cluster level, using kubectl and other tools to diagnose and resolve deployment and runtime problems.
• Apply structured release management practices aligned with ITIL change governance, ensuring controlled and auditable releases.
• Engineer and maintain CI/CD pipelines that support reliable and repeatable deployments across environments.
• Use scripting in Python or Bash to automate release, testing, and operational tasks where possible.
• Manage AWS cross-account IAM and artefact management processes required to support the hybrid release tooling.
• Provide clear and timely release status reporting to engineering leads and programme stakeholders.
• Create, maintain, and improve runbooks, deployment checklists, and post-release documentation to support consistent operations.

Essential Skills

• Proven hands-on experience with Google Cloud Platform, including GKE, Cloud Build, and Artifact Registry.
• Strong proficiency with Kubernetes, including use of kubectl, management of rolling deployments, and cluster-level troubleshooting.
• Practical experience operating AWS-based tooling, including cross-account IAM and artefact management.
• Demonstrable background in structured release management with ITIL-aligned change governance.
• experience designing, implementing, and maintaining CI/CD pipelines for cloud-native applications.
• Strong quality assurance mindset with experience in functional, regression, integration, and smoke testing.
• Scripting skills in Python or Bash to automate and streamline release and operational workflows.
• Ability to work independently in a technically complex, hybrid cloud environment with minimal onboarding.

Additional Skills & Qualifications

• GCP certification such as Professional Cloud DevOps Engineer or Professional Cloud Architect.
• experience with Terraform for infrastructure as code in cloud environments.
• Familiarity with Argo CD for GitOps-based deployment workflows.
• experience with Prometheus and Grafana for post-release observability and monitoring.
• Understanding of best practices for cloud-native architecture and operations across GCP and AWS.

Location

London, UK

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