Lead Mechanical Design Engineer

Job Title: Lead Mechanical Design Engineer

Location: Barrow-in-Furness.

We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role

Salary: Circa £55,000

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 the advanced, technology-led defence, aerospace and security solutions of tomorrow, 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.

Job Description:

As a Lead Engineer within the SSNA Platform Mechanical Integrated Delivery Team (IDT), you will play a key leadership role in delivering engineering scope across a complex and fast-paced submarine programme. You’ll take ownership of multiple systems, provide technical assurance, and collaborate across disciplines to drive delivery forward. We’re looking for someone who can confidently lead engineering work packages while mentoring others and contributing to a collaborative delivery culture.

Core duties: 

• Leading the delivery of assigned engineering scope, ensuring quality and timely outputs across design, integration, and qualification
• Overseeing technical ownership of several mechanical systems, ensuring compliance with system requirements and effective collaboration across interface areas
• Producing engineering artifacts, including documentation, calculations and performing simulation/analysis
• Managing task allocation and progress tracking through structured tools (Jira/Confluence), ensuring alignment with programme milestones, cost, and schedule expectations
• Coaching and supporting engineers at all levels — from graduates to senior professionals — to grow technical capability and confidence
• Working closely with peers, suppliers, and wider functional stakeholders to resolve issues and maintain delivery momentum
• Reviewing technical documentation, supporting hazard assessments, and managing change control with sound engineering judgement
• Proactively identifying and addressing shortfalls in delivery, documentation or process — embedding a culture of openness, improvement, and accountability

Essential Skills: 

• A proven track record of delivering complex mechanical or multi-disciplinary engineering tasks in a regulated environment
• Experience mentoring or coaching engineers to support technical and professional growth
• Excellent communication and influencing skills, with the confidence to lead conversations, challenge constructively, and build strong working relationships
• The ability to collaborate effectively across engineering, project, safety, ILS and supply chain functions
• Familiarity with task and documentation management tools such as Jira and Confluence
• Working toward or already professionally registered (CEng strongly preferred)
• A STEM-related degree (or equivalent experience) with strong foundations in systems thinking and platform-level integration

The Platform Mechanical team:

You’ll join the Platform Mechanical Integrated Delivery Team — a dynamic, collaborative engineering group working at the forefront of submarine platform development. The team brings together engineers from across disciplines, career levels, and partner organisations to deliver critical mechanical capability. Through close engagement with suppliers, systems engineers, and programme stakeholders, you’ll play a central role in shaping high-integrity technical solutions, supporting team development, and ensuring delivery remains aligned with the wider programme plan and budget. We have multiple roles available & will be offering positions within the following disciplines; Air Purification & Atmosphere Monitoring, Trim & Compensation, Hydraulics, Air Movement & HVAC, and Cooling. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

Here you’ll build a career with purpose and limitless possibilities. With lifelong learning and meaningful work, this is a place where you can grow your career with confidence and be empowered to be your best. You’ll be recognised for your contribution and enjoy rewards tailored to what’s most important to you and your family, support for your financial and personal wellbeing, as well as a balanced lifestyle. In an environment embracing sustainable ways of working and with a strong sense of shared purpose, our supportive culture is a place you can feel you belong and proud of the difference you make.

A place where everyone can thrive:

We’re committed to building an inclusive workplace where everyone feels valued and supported. We know that a diversity of backgrounds, perspectives and experiences strengthens our teams and is vital to the work we do.

Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 15th July 2026

We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible.

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