Job Title: Lead Mechanical Design Engineer
We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this role
As a Lead Principal 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. 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.
Coaching and supporting engineers at all levels — from graduates to senior professionals — to grow technical capability and confidence
Reviewing technical documentation, supporting hazard assessments, and managing change control with sound engineering judgement
We’re looking for someone who can confidently lead engineering work packages while mentoring others and contributing to a collaborative delivery culture. 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
A STEM-related degree (or equivalent experience) with strong foundations in systems thinking and platform-level integration
As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive.
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. 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.
You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments.