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Senior/Principal Platform Systems Mechanical EngineerBAE Systems • Millom, England, United Kingdom
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Senior/Principal Platform Systems Mechanical Engineer

BAE Systems
  • GB
    Millom, England, United Kingdom
  • GB
    Millom, England, United Kingdom
Apply Now

About

Job Title: Senior/Principal Platform Systems Mechanical Engineer

Location: Barrow-In-Furness (Full time Onsite)

Salary: Competitive

Who we are:

Join BAE Systems and you’ll be part of something bigger. As a valued member of our global colleague network, you’ll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You’ll be trusted to play your part in delivering advanced, technology-led defence, aerospace and security solutions, shaping a safer future for all of us.

From the depths of the ocean to the far reaches of space, there’s no limit to where a career at BAE Systems could take you.

What you will be doing:

In this role, you will support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary teams to maintain design intent across complex submarine programmes.

You will also mentor junior engineers, contribute to technical outputs, and engage with stakeholders to support successful programme delivery.

Core duties:

  • Develop and deliver design evidence to justify safe and effective engineering solutions, ensuring customer confidence in system designs
  • Specify and support the build of prototypes, products, and systems for testing and validation activities
  • Provide timely resolution of defects and issues, ensuring corrective actions are identified, tracked, and implemented
  • Ensure engineering commitments are defined, reviewed, and delivered in line with programme requirements
  • Support technical presentations and communications to engineering and management audiences, maintaining awareness of emerging technologies
  • Author and contribute to technical reports, papers, and presentations to support engineering activities and knowledge sharing
  • Mentor and support junior engineers, providing technical guidance and supporting professional development
  • Apply mechanical engineering expertise across design, testing, commissioning, and analysis activities, utilising CAD tools and standard engineering software

Essential Skills:

  • Mechanical engineering knowledge across the full lifecycle (design, testing, commissioning, validation)
  • Experience developing and justifying design evidence for engineering solutions
  • Ability to support prototype development, testing, and validation activities
  • Strong problem-solving skills with experience resolving defects and engineering issues
  • Experience delivering engineering tasks in line with programme requirements and milestones
  • Ability to produce and review technical documentation (reports, calculations, presentations)
  • Experience using CAD tools and standard engineering/IT software
  • Strong communication skills, with the ability to present technical information to varied audiences
  • Mentoring or supporting junior engineers and contributing to team capability development

The Mechanical Platform Systems Team:

The Mechanical Platform Systems team plays a key role in supporting the planning and execution of testing and commissioning activities across complex submarine programmes. You will contribute to ensuring engineering activities are delivered safely and effectively while maintaining design intent. This role offers exposure to some of the most complex engineering projects within the Submarines business, alongside strong opportunities for career development. Relocation support may be available, subject to eligibility criteria.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We welcome applications from all suitably qualified people and encourage discussion of reasonable adjustments where needed.

Please be aware that many roles at BAE Systems are subject to security and export control restrictions. Applicants must meet Baseline Personnel Security Standard, and many roles require higher levels of National Security Vetting, including 5–10 years continuous UK residency depending on the role .

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. Lifelong learning, meaningful work, and a supportive culture enable you to grow with confidence . You’ll be recognised for your contribution and supported with rewards that matter most to you.

Closing Date: 29th June 2026

We reserve the right to close this vacancy early if we receive sufficient applications. If you are interested, please apply as early as possible.

  • Millom, England, United Kingdom

Languages

  • English
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