53 Bae Systems jobs in Cumbria

Job title: Principal Mechanical Engineer

Job Type: Permanent

Start date: As soon as possible subject to clearance

Salary Range: 45,628 - 57,500 DOE

Benefits Package: 26 Days Holiday + Bank Holidays, Pension Scheme - 6-8% Matched, Flexible start & Finish times.

Location: Barrow-In-Furness

Hybrid Working Available

Hours of work: 37 Hours Per Week + Overtime Available

Role & Responsibilities:

• Collaborate closely with the build organisation, providing engineering support to ensure the final product aligns with original design intent
• Demonstrate a strong understanding of key requirements and critical dimensions related to major structural components
• Lead the assessment and implementation of design changes impacting primary structural elements, whether driven by emergent issues, continuous improvement, or process updates
• Support, or where appropriate, serve as the engineering representative within test and authorisation groups
• Develop specialised knowledge of the unique build sequence of the Reactor Compartment Unit and deliver ongoing engineering support throughout construction
• Represent the engineering function during the planning and execution of major construction milestones within the Reactor Compartment Unit's scope
• Investigate and present robust technical solutions to challenges encountered during the construction of the Naval Reactor Plant
• Provide well-reasoned technical recommendations to key stakeholders, to support or constructively challenge existing requirements

Qualifications/Experience Required:

Essential:

• Degree-level qualification in Engineering, preferably with a focus on Mechanical or Structural disciplines
• Proficient in interpreting mechanical drawings, with a solid understanding of geometric dimensioning and tolerancing (GD&T)
• Familiarity with welding engineering principles and non-destructive examination (NDE) techniques
• Strong technical report writing skills, with experience in producing clear justifications for design changes

UK National Security Vetting Status - Candidates must be able to obtain UKSV SC Clearance.

Company information:

This Permanent vacancy is being advertised by Rullion Ltd

Since 1978, Rullion has been securing exceptional candidates for a range of clients; from large well-known brands, to SMEs and start-ups. As a family-owned business, Rullion's approach is credible and honest, focused on building long-lasting relationships with both clients and candidates.

Rullion is a forward-thinking recruitment company that specialises in providing a wide range of talent consultancy

Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants.

Join a world-renowned aerospace and defence organisation as a Principal Mechanical Engineer in either Barrow in Furness or Filton, 2 days a fortnight onsite

Would you like to join a global aerospace and defence organisation? Do you want to work as part of an organisation protecting people and maintaining maximum national security?

Due to a drive for greater success, this advanced manufacturing business is currently searching for Principal Mechanical Engineer to add to their talented, hardworking team in either Barrow or Filton on an initial 6 months contract. Striving for innovation and creativity you can ensure no two days will be the same.

The rate per hour: 67.47 inside IR35 / umbrella

The role:

Lead rotor dynamic analysis tasks to inform equipment and system design and specification
Produce verification evidence to underpin system and equipment performance
Undertake model validation including comparison of predicted and test data at system and equipment level
Provide direction to more junior engineers and undertake mentoring and coaching
Undertake peers' reviews / checking of rotor-dynamics analysis deliverables
Opportunity for further training and development

You

Experience in rotor-dynamic analysis and/or machine design and dynamics
Experience with structural and rotor-dynamic analysis software advantageous (ANSYS, CFX, Maxwell, Shaft Designer, Dyrobes or similar)
Masters level qualification including knowledge of: Rotor Dynamics, Tribology, Gear Design, Machine Design, Turbo Machinery Design or Electrical Machine Design
Chartered engineer or working towards professional accreditation
Applicable industry experience: Power Generation, Oil & Gas, Automotive (Engine or Powertrain), Nuclear, Marine, Defence and Aerospace

Background

This is an exciting opportunity to work for a global business that has developed a strategy of working closely with its contingent workforce. Within the role, you can expect to:

Work on complex, cutting-edge projects
Achieve a work/life balance
Develop your skills

APPLY NOW

If this sounds like the role for you, we'd love to hear from you! Send your CV to Stella today!

Our client BAE Systems, a prominent player in the defence and security sector, is currently seeking two experienced Senior Engineers in Mechanical Engineering to join their team on a 12-month contract basis. The role is based in Barrow with hybrid working arrangements, requiring 2-3 days a week on-site.

• Ensuring compliance with defence and security standards and protocols.
• Collaborating with cross-functional teams to ensure project objectives are met.
• Providing expertise and guidance to junior engineers and technical staff.
• Managing project timelines and ensuring deliverables are met within the set deadlines.
• Preparing detailed engineering documentation and technical reports.
• Gathering data on heat loads from other engineers
• working within the HVAC and cooling systems team
• Data management

• Experience in mechanical engineering
• Proficiency in using mechanical engineering software and tools.
• Strong problem-solving skills and attention to detail.
• Ability to work effectively both independently and as part of a team.
• Relevant degree in Mechanical Engineering or a related field.

• Location: Barrow (Hybrid - 2 days a fortnight on site
• Duration: 12 months
• Inside IR35
• Security clearance: SC will be required

If you are a highly skilled Mechanical Engineer with a background in defence and security, we encourage you to apply now to be a part of our client's dedicated and talented team.

Principal Mechanical Engineer - Nuclear & Green Energy Projects
Location: UK-wide (Hybrid Working Available)
Hours: 37-hour working week
Clearance Required: British Nationals only (BPSS minimum)
Are you a highly skilled Principal Mechanical Engineer with a background in regulated industries? Are you ready to make a real impact on innovative green energy and nuclear defence projects?
Our client is a leading consultancy in the Nuclear and Defence sector, delivering high-profile projects across the UK. Known for their commitment to staff development, cutting-edge work, and long-term career opportunities, they offer a dynamic and forward-thinking environment for ambitious engineers.
Why Join This Team?
·Be part of landmark government projects with a strong mechanical engineering focus
·Continuous professional development with support for further qualifications
·Flexible hybrid working and a comprehensive benefits package
·Join a collaborative, high-performing team that values innovation
Key Responsibilities:
·Lead and uphold engineering standards and procedures across all technical activities
·Collaborate with clients to understand and deliver on mechanical requirements
·Produce and review engineering calculations, drawings (2D/3D), and technical documentation
·Mentor and develop technical capabilities within the team
About You:
·HND/HNC or Degree in Mechanical Engineering (or related discipline)
·Chartership or working towards it
·Strong track record of delivering complex, regulated projects
·Confident team leader with a passion for high performance
Security Clearance:
Due to the nature of the work, all applicants must be British Nationals and eligible for BPSS clearance as a minimum.
Ready to take the next step in your engineering career?
Contact Kent Streek at (url removed) or call (phone number removed) to learn more or apply.

Contract Opportunity: Senior / Principal Mechanical Engineer - Hybrid (Sellafield Projects)
Rate: 51-61 per hour (Inside IR35)
Location: Hybrid - 3 days per week in Cumbria office
Sector: Nuclear - Task Delivery Projects

Are you an experienced Mechanical Engineer ready to lead and deliver complex projects for Sellafield ? We are seeking a Senior or Principal Mechanical Engineer to provide technical expertise and drive the delivery of task-based projects across the site. This hybrid role combines focused on-site work in Cumbria with the flexibility to work remotely.

Key Responsibilities:

• 
  Deliver and manage mechanical engineering tasks across multiple project stages
• 
  Develop and review designs, calculations, and technical documentation
• 
  Ensure compliance with Sellafield standards, nuclear safety requirements, and site licence conditions
• 
  Support design reviews, risk assessments, and HAZOP activities
• 
  Mentor and guide junior engineers, providing technical leadership and assurance
• 
  Collaborate with multi-discipline teams to achieve project objectives efficiently

What We're Looking For:

• 
  Proven experience as a Senior or Principal Mechanical Engineer in nuclear or highly regulated environments
• 
  Strong technical knowledge in mechanical systems, structures, and process equipment
• 
  Experience delivering task-based projects with attention to schedule and quality
• 
  Familiarity with Sellafield design processes and standards (advantageous)
• 
  SC clearance preferred (or ability to obtain)

This is your chance to work on high-profile projects at the forefront of nuclear engineering while benefiting from a hybrid working arrangement , spending 3 days per week in Cumbria.
Apply now to take your mechanical engineering expertise to the next level on Sellafield projects!

Contract Opportunity: Senior / Principal Mechanical Engineer - Hybrid (Sellafield Projects)
Rate: 51-61 per hour (Inside IR35)
Location: Hybrid - 3 days per week in Cumbria office
Sector: Nuclear - Task Delivery Projects

Are you an experienced Mechanical Engineer ready to lead and deliver complex projects for Sellafield ? We are seeking a Senior or Principal Mechanical Engineer to provide technical expertise and drive the delivery of task-based projects across the site. This hybrid role combines focused on-site work in Cumbria with the flexibility to work remotely.

Key Responsibilities:

• 
  Deliver and manage mechanical engineering tasks across multiple project stages
• 
  Develop and review designs, calculations, and technical documentation
• 
  Ensure compliance with Sellafield standards, nuclear safety requirements, and site licence conditions
• 
  Support design reviews, risk assessments, and HAZOP activities
• 
  Mentor and guide junior engineers, providing technical leadership and assurance
• 
  Collaborate with multi-discipline teams to achieve project objectives efficiently

What We're Looking For:

• 
  Proven experience as a Senior or Principal Mechanical Engineer in nuclear or highly regulated environments
• 
  Strong technical knowledge in mechanical systems, structures, and process equipment
• 
  Experience delivering task-based projects with attention to schedule and quality
• 
  Familiarity with Sellafield design processes and standards (advantageous)
• 
  SC clearance preferred (or ability to obtain)

This is your chance to work on high-profile projects at the forefront of nuclear engineering while benefiting from a hybrid working arrangement , spending 3 days per week in Cumbria.
Apply now to take your mechanical engineering expertise to the next level on Sellafield projects!

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 will 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 leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 10^th 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 will 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 leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 10^th 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 will 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 leave 5 to 10 years of continuous residency in the UK depending in the vetting level required for the role, to allow for meaningful security vetting checks.

Closing Date: 10^th 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