Join Us as a Lead Mechanical Engineer – Cooling & HVAC!
Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements – feel free to discuss your options with your recruiter!
Salary: Circa £55,000, depending on experience.
What You’ll Be Doing:
As a Lead Mechanical Engineer, you will play a pivotal role in shaping the future of the Royal Navy Submarines. Your responsibilities will include:
* Leading the design and development of innovative Cooling and HVAC systems, subsystems, and equipment.
* Performing functional design tasks, including system modelling, analysis, and validation.
* Promoting robust engineering governance through peer and design reviews.
This role offers flexibility to align with your expertise and career aspirations, with opportunities to focus on:
* Technical Leadership: Take ownership of design solutions and provide guidance to engineering teams.
* People Leadership: Manage small teams and support the growth and development of engineers.
* Specialist Technical Delivery: Specialize in detailed analysis, performance optimization, and system integration of Cooling and HVAC systems.
Your Skills and Experiences:
Essential:
* Extensive experience in designing and developing cooling, ventilation, or HVAC systems, preferably in complex, safety-critical industries such as maritime, aerospace, defense, nuclear, or oil & gas.
* Strong understanding of thermodynamics, fluid dynamics, heat transfer, and components like fans, pumps, and environmental control systems.
* Proven track record in delivering systems across the full engineering lifecycle—from concept design to commissioning.
* Demonstrated leadership ability through technical direction, mentoring, or ownership of key projects.
Desirable:
* Prior experience in submarine or naval vessel design.
* Familiarity with engineering standards such as ASME, BS EN, Def-Stan, or MOD-specific requirements.
* Understanding of platform-level cooling considerations, including noise reduction, shock resistance, and survivability.
* Experience engaging with suppliers and stakeholders on environmental or thermal control system requirements.
Benefits:
We offer a competitive pension scheme, employee share plans, and a wide range of flexible health, wellbeing, and lifestyle benefits, including:
* A green car scheme
* Private health plans
* Shopping discounts
You may also be eligible for an annual incentive!
The Platform Mechanical Team:
Join our dynamic and collaborative Platform Mechanical Integrated Delivery Team, where you’ll work alongside engineers from diverse backgrounds to deliver essential mechanical capabilities. You’ll collaborate closely with suppliers, systems engineers, and program stakeholders to develop high-integrity technical solutions, support team growth, and ensure alignment with program schedules and budgets. Relocation support is available for eligible candidates across all Submarine roles.
Why BAE Systems?
At BAE Systems, you’ll have the opportunity to make a real difference in an inclusive culture that values diversity of thought and rewards integrity. We empower you to fulfill your potential and welcome individuals from all backgrounds. If you have a disability or health condition that may affect your performance, please discuss potential reasonable adjustments with your recruiter.
Important Note: Many roles at BAE Systems are subject to security and export control restrictions. Factors such as your nationality and residency may affect your eligibility for certain positions. All applicants must meet the Baseline Personnel Security Standard, with many roles requiring higher levels of National Security Vetting.
Closing Date: 28th August 2025
We reserve the right to close this vacancy early if we receive sufficient applications. If you’re interested, please submit your application as soon as possible!
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