Senior Release Train Engineer – Remote-First Delivery Lead

Leidos; Ham; Hybrid; GBP 62,000 - 79,000; Full time

Benefits offered by this job

Contributory Pension Scheme

Private Medical Insurance

33 days Annual Leave (including public

Flexi-Time Working

Job summary

Leidos is seeking an experienced Release Train Engineer to lead the Agile Release Train, PI planning, and environment governance across complex projects. You will coordinate with Product Managers, engineering, and customers to ensure delivery flows smoothly from concept to production, with a strong emphasis on quality and transparency.

The role requires strong technical awareness, exceptional organisation, and the ability to drive continuous improvement across multiple teams within a controlled

Qualifications

• Proven experience performing RTE like responsibilities in large scale agile environment.
• Strong working knowledge of Jira, including workflow management and reporting.
• Understanding of Git / Bitbucket workflows and pull request governance.
• Understanding of Git / Bitbucket branching strategies
• Excellent organisational skills with the ability to manage complex, multi team delivery.
• Exceptional attention to detail — work must pass review first time without obvious errors.
• Strong interpersonal and communication skills, comfortable engaging with engineers, PMs, and customers.
• Positive, delivery focused mindset with a bias toward flow and production delivery.

Responsibilities

• Act as the Release Train Engineer (RTE) for the Agile Release Train, facilitating execution and continuous improvement.
• Serve as PI Master of Ceremonies, owning the preparation, facilitation, and follow up of PI Planning events.
• Work closely with Product Managers to ensure Features, Enablers, and supporting scope are correctly captured and maintained in Jira.
• Coordinate with PMs to align priorities and respond to customer needs and dependencies.
• Engage with customer stakeholders on PI priorities, scope, and sequencing.
• Own and maintain the PI agenda, authoring and coordinating slide content to guide PI sessions.
• Schedule and facilitate PI events (primarily virtual), ensuring effective participation and outcomes.
• Produce PI level reports, including outcomes from Multi RFC PI Planning, ensuring visibility of commitments and risks.
• Analyse PI trends such as scope creep and velocity, working with PMs and teams to understand causes and drive corrective actions.
• Lead Inspect & Adapt, postmortems, and retrospectives.
• Author and coordinate retrospective slide packs, working with teams to capture learning.
• Schedule, record, and track Lessons Learned and improvement actions across PIs.
• Own and manage release scope.
• Define and enforce how scope is added to, removed from, or adjusted within a release.
• Verify all stakeholders are aligned before scope is committed to a release.
• Proactively work with Engineering to clarify which release branch is the origin for each change.
• Reconcile PI commitments against release plans, ensuring alignment between planning and execution.
• Communicate and manage scope changes transparently across the ART.
• Maintain a strong delivery mindset with a clear objective to push work into production as quickly and safely as possible.
• Author customer facing scope and release documentation as required.
• Own the Release & Activities Environment Schedule across all environments.
• Coordinate sequencing of releases and activities to minimise contention and delivery risk.
• Ensure environment usage supports PI and release commitments.
• Work with PMs to secure time on the environments in support of newly contracted work in far future dates
• Act as Configuration Manager, maintaining strict control over what is deployed into each environment.
• Ensure environments are protected from uncontrolled or unauthorised change.
• Bring changes through appropriate governance forums (e.g. TAB).
• Work closely with Engineering teams and the TIP Manager to coordinate deployments and cutovers.
• Own and manage internal build numbering and versioning standards.
• Assign internal build numbers in line with agreed conventions.
• Act as gatekeeper for all pull requests (BitBucket) into release branches, ensuring:
• Peer reviews are complete
• Static code analysis has been completed
• Items are in approved scope
• Commit messages meet standards
• Merge conflicts are resolved by Engineering
• Merge release branches back into the main branch (work with Engineers for conflict resolution)
• Verify Jira items are in the correct workflow states prior to merge.
• Conduct builds into environments and verify that the correct build is deployed.
• Author internal build notes (version / build notes).
• Author customer facing release notes.
• Ensure Jira hygiene prior to release cut:
• All issues correctly linked and in appropriate states
• All code merged into the release branch
• No outstanding review or readiness gaps
• Work with teams to resolve items still in peer review or non release ready states.
• Ensure Jira workflows are applied consistently across the ART.

Skills

RTE responsibilities

Jira

Bitbucket

Git workflows

Organisational skills

Attention to detail

Communication skills

Delivery mindset

Tools

Bitbucket

Jira

Git

Job description

Leidos is seeking an experienced Release Train Engineer to lead the Agile Release Train, PI planning, and environment governance across complex projects. You will coordinate with Product Managers, engineering, and customers to ensure delivery flows smoothly from concept to production, with a strong emphasis on quality and transparency.

The role requires strong technical awareness, exceptional organisation, and the ability to drive continuous improvement across multiple teams within a controlled