Release Practitioner in Warminster

Raytheon UK is searching for a Release Practitioner to join our OMNIA® Training team. As Release Practitioner, you will be critical to the successful delivery of the programme, collaborating within a matrix organisation across multi-disciplinary teams. The Release Practitioner role requires a customer first mindset, strong stakeholder engagement skills, and the ability to work in a multidisciplinary engineering team in a complex and evolving environment. We are looking for individuals who want to serve. You’ll have a mission focus, and the enthusiasm and drive to deliver. You must be eligible and willing to obtain SC clearance and will be based at Warminster working in a hybrid style.

Key Responsibilities:

• Plan, coordinate, and manage releases across Live, Virtual, and Constructive (LVC) training systems deployed within cloud-hosted, containerised environments.
• Manage release pipelines and deployment workflows supporting continuous integration and continuous delivery (CI/CD) processes.
• Coordinate releases across engineering, platform, and operations teams to ensure reliable deployment of containerised services and applications.
• Ensure all releases comply with ITIL release and deployment management governance, including change approval and release documentation.
• Oversee deployment activities to cloud platforms and container orchestration environments (e.g. Kubernetes/OpenShift).
• Maintain version control and release traceability for software, infrastructure configurations, and training system components.
• Work with configuration and change management teams to ensure releases align with approved changes and configuration baselines.
• Support automated build, test, and deployment pipelines to ensure repeatable and reliable releases.
• Coordinate release readiness activities including integration testing, system validation, and operational acceptance.
• Support in Configuration Management, working closely with the Configuration Practitioner.
• Conduct post-release reviews and implement improvements to release automation and deployment processes.

Required Skills and Experience:

• Proven experience managing problem management activities within complex IT or technical service environments.
• Experience managing software releases within CI/CD driven environments.
• Strong understanding of ITIL release and deployment management processes.
• Experience supporting containerised application deployments using orchestration platforms (e.g. Kubernetes or OpenShift).
• Working knowledge of CI/CD pipeline tools (e.g. GitHub Actions, GitLab CI, Jenkins, ArgoCD, Helm).
• Experience managing releases into cloud or hybrid environments (e.g. Azure, AWS).
• Understanding of container image management, versioning, and deployment strategies.
• Experience coordinating releases across engineering, DevOps, and platform teams.
• Strong organisational skills managing multiple releases across complex technical environments.
• ITIL certification (Foundation or higher).

Desirable Skills and Experience:

• Experience working within defence, government, or regulated service environments.
• Experience supporting CI/CD pipelines delivering containerised microservices into Kubernetes or Red Hat OpenShift environments.
• Experience supporting infrastructure-as-code or platform automation tools.
• Experience supporting releases within modelling and simulation environments, particularly LVC training systems.

What we offer:

• Chance to join a groundbreaking mission - to shape the future and drive innovation within a team focused on collaboration across a matrix organisation.
• 37hr working week with early finish Fridays - start your weekend early!
• 25 days holiday + statutory public holidays, plus opportunity to buy and sell up to 5 days and up to 5 paid days volunteering.
• 10.5% company pension contribution with 6% employee contribution.
• Annual company bonus scheme (discretionary).
• 6 times salary Life Assurance with pension.
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work, amongst others.
• Enhanced sick pay.
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave.

Raytheon UK takes immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence. Together, we are not just advancing technology; we're building a community committed to safeguarding a safer and more connected world.