1,687 Mechanical Engineering jobs in the United Kingdom

Job Title: Lead Mechanical 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 role

Salary: Competitive

What you’ll be doing:

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. You’ll take ownership of multiple systems, provide technical assurance, and collaborate across disciplines to drive delivery forward.

• 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

Your skills and experiences:

We’re looking for someone who can confidently lead engineering work packages while mentoring others and contributing to a collaborative delivery culture. You should have:

• 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

Benefits:

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. 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?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 12th November 2025

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.

Job Title: Lead Mechanical Engineer – Air Purification Systems

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: Competitive

What you’ll be doing:

• Design of Air Purification and Atmosphere Monitoring systems, sub-systems and equipment for the next generation Royal Navy submarines

• Undertake functional design activities, modelling and analysis

• Produce design documentation, Verification & Validation evidence and safety justifications

• Support specification qualification and procurement of components, working collaboratively with suppliers

• Engaging with stakeholders across the cross-functional project team

• Driving engineering governance through peer reviews and design reviews

Your skills and experiences:

Essential:

• Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ generation, trace contaminant management, radiological hazards) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)

• Proven capability in system lifecycle delivery – from concept through to commissioning

• Demonstrated leadership – either through technical direction, mentoring, or project ownership

• Chartered engineer or working towards professional accreditation

Desirable:

• Knowledge of platform-level constraints such as noise, shock, or survivability

• Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocols

Benefits:

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 team:

As a Lead Mechanical Engineer – Air Purification Systems, you will play a pivotal role in the design and development of submarine Air Purification and Atmosphere Monitoring systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 31^st October 2025

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.

#LI-MS1

#LI-Hybrid

Job Title: Lead Mechanical Engineer – Air Purification Systems

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: Competitive

What you’ll be doing:

• Design of Air Purification and Atmosphere Monitoring systems, sub-systems and equipment for the next generation Royal Navy submarines

• Undertake functional design activities, modelling and analysis

• Produce design documentation, Verification & Validation evidence and safety justifications

• Support specification qualification and procurement of components, working collaboratively with suppliers

• Engaging with stakeholders across the cross-functional project team

• Driving engineering governance through peer reviews and design reviews

Your skills and experiences:

Essential:

• Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ generation, trace contaminant management, radiological hazards) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)

• Proven capability in system lifecycle delivery – from concept through to commissioning

• Demonstrated leadership – either through technical direction, mentoring, or project ownership

• Chartered engineer or working towards professional accreditation

Desirable:

• Knowledge of platform-level constraints such as noise, shock, or survivability

• Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocols

Benefits:

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 team:

As a Lead Mechanical Engineer – Air Purification Systems, you will play a pivotal role in the design and development of submarine Air Purification and Atmosphere Monitoring systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 31^st October 2025

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.

#LI-MS1

#LI-Hybrid

Job Title: Senior/Principal Platform Systems Mechanical Engineer

Location: Barrow-in-Furness. This position will require a full-time presence on-site

Salary: Competitive

What you’ll be doing:

• Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution
• Specifying and assisting in the build of prototypes, products and systems suitable for testing
• Providing timely corrective actions on all assigned defects and issues
• Ensuring that commitments are agreed, reviewed and met
• Mentoring junior engineers regarding technical matters
• Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets
• Author/co-author technical reports, papers, articles, patents and presentations as required

Your skills and experiences:

• Educated to degree level in Engineering, Mechanical or Science subjects
• Be able to design documentation with the ability to present these to customers and wider groups
• Have the ability to solve complex engineering calculations
• Be proficient in CAD, MS Office and be comfortable with other IT applications

Benefits:

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 Mechanical Platform Systems team:

Being part of a team, you will have a great opportunity to be involved in the planning and reactive support to ensure that the engineering aspects of testing and commissioning activities are undertaken in a safe and appropriate way whilst ensuring design intent are maintained. It’s a fantastic opportunity to be a part of some of our most complex projects to date and to have great opportunity career development. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 7th November 2025

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.

#LI-MS1

#LI-Onsite

Job Title: Senior Mechanical Engineer

Location: Coventry. This is an onsite position

Salary: Competitive

What you’ll be doing:

In this role you will be joining a newly formed Mechanical Engineering team within a new office based in Coventry. The goal of this team with be to help deliver crucial ship services, crew life support capabilities and equipment and componentry for the current and next generation of Nuclear Submarine. This role will involved with supporting the design and development of various critical systems of the SSN AUKUS.

• You will be expected to lead and develop various mechanical engineering systems, equipment and components
• The successful candidate will connect and build relationships with suppliers to ensure that equipment and component specifications challenging demands
• Working directly with the customer to develop requirements and acceptance criteria based on operational scenarios, use cases and other design considerations
• Taking lead for performing and reviewing engineering calculations and analysis to make decisions and demonstrate system performance
• Co-ordinating, managing and helping influence a wide stakeholder base to solve complex engineering problems and make responsible engineering decisions

Your skills and experiences:

Essential:

• Mechanical Engineering background in Rotator Machinery, Components or Fluid Dynamics
• Demonstrable experience in applying mechanical engineering for various products along woth different stages of a product lifecycle
• Ability to prioritise workload and ability to work well within a cross functional team
• A passion for problem solving and resolving complex engineering calculations
• Educated to degree level in Engineering, Mechanical or Science subjects

Desirable:

• Leadership /Mentoring experience

Benefits:

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 Systems team:

As either the Senior Mechanical Engineer within out Platform Systems team you will the opportunity to join a brand new team being created within our new site in Coventry where you will be working with other passionate engineers to bring a new way of thinking into the design of our Submarines. In this role you will have the opportunity to develop and mentor junior members of staff and build on technical skillsets. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 23rd October 2025

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.

#LI-MS1

#LI-Onsite

Job Title: Senior/Principal Platform Systems Mechanical Engineer

Location: Barrow-in-Furness. This position will require a full-time presence on-site

Salary: Competitive

What you’ll be doing:

• Developing the package of design evidence required to justify a safe, effective design and generate customer confidence in the design solution
• Specifying and assisting in the build of prototypes, products and systems suitable for testing
• Providing timely corrective actions on all assigned defects and issues
• Ensuring that commitments are agreed, reviewed and met
• Mentoring junior engineers regarding technical matters
• Making presentations effectively to technical and management audiences and within this, be able to identify and keep abreast of novel technical concepts and markets
• Author/co-author technical reports, papers, articles, patents and presentations as required

Your skills and experiences:

• Educated to degree level in Engineering, Mechanical or Science subjects
• Be able to design documentation with the ability to present these to customers and wider groups
• Have the ability to solve complex engineering calculations
• Be proficient in CAD, MS Office and be comfortable with other IT applications

Benefits:

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 Mechanical Platform Systems team:

Being part of a team, you will have a great opportunity to be involved in the planning and reactive support to ensure that the engineering aspects of testing and commissioning activities are undertaken in a safe and appropriate way whilst ensuring design intent are maintained. It’s a fantastic opportunity to be a part of some of our most complex projects to date and to have great opportunity career development. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 7th November 2025

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.

#LI-MS1

#LI-Onsite

Job Title: Lead Mechanical Engineer – Air Purification Systems

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: Competitive

What you’ll be doing:

• Design of Air Purification and Atmosphere Monitoring systems, sub-systems and equipment for the next generation Royal Navy submarines

• Undertake functional design activities, modelling and analysis

• Produce design documentation, Verification & Validation evidence and safety justifications

• Support specification qualification and procurement of components, working collaboratively with suppliers

• Engaging with stakeholders across the cross-functional project team

• Driving engineering governance through peer reviews and design reviews

Your skills and experiences:

Essential:

• Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ generation, trace contaminant management, radiological hazards) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)

• Proven capability in system lifecycle delivery – from concept through to commissioning

• Demonstrated leadership – either through technical direction, mentoring, or project ownership

• Chartered engineer or working towards professional accreditation

Desirable:

• Knowledge of platform-level constraints such as noise, shock, or survivability

• Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocols

Benefits:

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 team:

As a Lead Mechanical Engineer – Air Purification Systems, you will play a pivotal role in the design and development of submarine Air Purification and Atmosphere Monitoring systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 31^st October 2025

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.

#LI-MS1

#LI-Hybrid

Job Title: Senior Mechanical Engineer

Location: Coventry. This is an onsite position

Salary: Competitive

What you’ll be doing:

In this role you will be joining a newly formed Mechanical Engineering team within a new office based in Coventry. The goal of this team with be to help deliver crucial ship services, crew life support capabilities and equipment and componentry for the current and next generation of Nuclear Submarine. This role will involved with supporting the design and development of various critical systems of the SSN AUKUS.

• You will be expected to lead and develop various mechanical engineering systems, equipment and components
• The successful candidate will connect and build relationships with suppliers to ensure that equipment and component specifications challenging demands
• Working directly with the customer to develop requirements and acceptance criteria based on operational scenarios, use cases and other design considerations
• Taking lead for performing and reviewing engineering calculations and analysis to make decisions and demonstrate system performance
• Co-ordinating, managing and helping influence a wide stakeholder base to solve complex engineering problems and make responsible engineering decisions

Your skills and experiences:

Essential:

• Mechanical Engineering background in Rotator Machinery, Components or Fluid Dynamics
• Demonstrable experience in applying mechanical engineering for various products along woth different stages of a product lifecycle
• Ability to prioritise workload and ability to work well within a cross functional team
• A passion for problem solving and resolving complex engineering calculations
• Educated to degree level in Engineering, Mechanical or Science subjects

Desirable:

• Leadership /Mentoring experience

Benefits:

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 Systems team:

As either the Senior Mechanical Engineer within out Platform Systems team you will the opportunity to join a brand new team being created within our new site in Coventry where you will be working with other passionate engineers to bring a new way of thinking into the design of our Submarines. In this role you will have the opportunity to develop and mentor junior members of staff and build on technical skillsets. We offer relocation support across all Submarine roles, subject to meeting eligibility criteria

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 23rd October 2025

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.

#LI-MS1

#LI-Onsite

Job Title: Lead Mechanical Engineer – Air Purification Systems

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: Competitive

What you’ll be doing:

• Design of Air Purification and Atmosphere Monitoring systems, sub-systems and equipment for the next generation Royal Navy submarines

• Undertake functional design activities, modelling and analysis

• Produce design documentation, Verification & Validation evidence and safety justifications

• Support specification qualification and procurement of components, working collaboratively with suppliers

• Engaging with stakeholders across the cross-functional project team

• Driving engineering governance through peer reviews and design reviews

Your skills and experiences:

Essential:

• Experience in the design of gas scrubbing, filtration, and environmental control systems (e.g. CO₂ removal, O₂ generation, trace contaminant management, radiological hazards) – ideally in complex, safety-critical environments (e.g. maritime, aerospace, defence, nuclear, oil & gas and sub-sea)

• Proven capability in system lifecycle delivery – from concept through to commissioning

• Demonstrated leadership – either through technical direction, mentoring, or project ownership

• Chartered engineer or working towards professional accreditation

Desirable:

• Knowledge of platform-level constraints such as noise, shock, or survivability

• Previous experience integrating purification systems with submarine life-support, HVAC, and emergency protocols

Benefits:

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 team:

As a Lead Mechanical Engineer – Air Purification Systems, you will play a pivotal role in the design and development of submarine Air Purification and Atmosphere Monitoring systems. This includes system-level design, technical leadership, supplier engagement, and the opportunity to steer design architecture across a major submarine programme. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria.

Why BAE Systems?

This is a place where you’ll be able to make a real difference. 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. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. 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.

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: 31^st October 2025

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.

#LI-MS1

#LI-Hybrid