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principal thermal mechanical engineer
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BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Sandown PO36, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Bembridge PO35, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Cowes, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Freshwater, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Ryde PO33, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Seaview, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Principal Thermal Mechanical Engineer
BAE Systems Newport PO30, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
BS
02 Apr, 2026
Permanent
Mechanical Engineer
BAE Systems Cowes, UK
Job Title: Principal Thermal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow, 3 days a week onsite We offer a range of flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £77,100 (dependent on skills and experience) Part time & accruing hours available' Please let us know if you would like to discuss these options. 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. Role description: The Principal...
Mars Recruitment
15 Apr, 2026
Permanent
Principal Electronics Engineer
Mars Recruitment Booker, High Wycombe, Marlow SL7, UK
Principal Electronics Engineer High Wycombe Hybrid £72,000pa plus benefits: Are you a Senior or Principal Electronics Engineer who has a scientific or engineering mind? Would you like to own and manage the electronics hardware development of a world-leading scientific instrumentation product? Our client has been at the forefront of technical innovation for over 50 years. Their ground-breaking products are used worldwide and as they go from strength to strength, they are looking for a Principal Electronics Engineer to join their highly talented electronics engineering team. On a day-to-day basis, your focus will be the design and development of electronics hardware for a specific product line. You will become the subject matter expert for this product, coordinating design reviews, testing to validate systems, and support the product with any customer queries. Please note that your specific product is manufactured in Santa Barbara, so there may be some international...
Mars Recruitment
03 Apr, 2026
Permanent
Principal Electronics Hardware Engineer
Mars Recruitment Booker, High Wycombe, Marlow SL7, UK
Principal Electronics Hardware Engineer High Wycombe Hybrid £72,000pa plus benefits: Are you a Senior or Principal Electronics Hardware Engineer who has a scientific or engineering mind? Would you like to own and manage the electronics hardware development of a world-leading scientific instrumentation product? Our client has been at the forefront of technical innovation for over 50 years. Their ground-breaking products are used worldwide and as they go from strength to strength, they are looking for a Principal Electronics Hardware Engineer to join their highly talented electronics engineering team. On a day-to-day basis, your focus will be the design and development of electronics hardware for a specific product line. You will become the subject matter expert for this product, coordinating design reviews, testing to validate systems, and support the product with any customer queries. Please note that your specific product is manufactured in Santa Barbara, so there...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Ryde PO33, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Sandown PO36, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Bembridge PO35, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Freshwater, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Newport PO30, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Seaview, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
BS
02 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Cowes, UK
Job Title: Principal Mechanical Engineer Location: Cowes, Portsmouth Broad Oak, Great Baddow - 4 days onsite minimum We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Up to £87,200 (depending on skills and experience) 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. Role description: The Principal Mechanical Engineer is a key role that leads the mechanical engineering aspects of the development...
MBDA UK
06 Apr, 2026
Permanent
Principal Mechanical Design Engineers - Test Equipment
MBDA UK Stevenage, UK
Due to increased workload, we are looking for experienced Principal Mechanical Design Engineers to work in all areas of the Product Life Cycles with the drive and enthusiasm to join Europe's leading missile systems provider, developing and designing Test Equipment solutions for the next generation of weapons. Salary : Up to £55,000 depending on Experience Location : Stevenage (We may be able to offer a relocation package for this role) Dynamic (hybrid) working : 2-3 days per week on-site due to workload classification Security Clearance : British Citizen or a Dual UK national with British citizenship Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary...
MBDA UK
06 Apr, 2026
Permanent
Principal Mechanical Design Engineer
MBDA UK Stevenage, UK
Mechanical Engineering is excited to offer multiple opportunities for experienced Principal Mechanical Design Engineers, with roles available across all areas of the Product Life Cycle, from mechanical future concepts and detailed design through qualification, production, and in-service support. In these roles of responsibility, you will lead the development of mechanical solutions for a wide variety of complex weapons and weapon systems, working closely with multi-disciplinary teams across engineering, manufacturing, quality, and supply chain. You will be expected to provide technical leadership, drive design maturity, and act as a key interface with internal and external stakeholders. Salary: Circa £50,000+ depending on experience Location: Stevenage (relocation package may be available) Dynamic (Hybrid) Working: An average of 2-3 days per week on-site dependent on work classification Security Clearance: British Citizen or a Dual UK national with British citizenship....
Aldwych Consulting
02 Apr, 2026
Permanent
Senior/Principal Civil Engineer
Aldwych Consulting Exeter, UK
Senior / Principal Civil Engineer - Highways, Drainage & Development Infrastructure Location: Exeter (Hybrid Working Available) Salary: 46,000 - 65,000 + Benefits Type: Full-Time Permanent Are you an experienced Civil Engineer looking to step into a more senior role or already operating at Principal level and looking for a fresh challenge? An established and highly regarded development infrastructure consultancy is looking to appoint a Senior / Principal Civil Engineer into its growing Exeter office . This is a fantastic opportunity for an engineer with strong experience in highways, drainage and development infrastructure design to join a collaborative and forward-thinking team working on a wide range of complex, high-profile projects across the UK. This role would suit someone who enjoys taking ownership of technical delivery, mentoring junior staff, and playing a key part in the successful delivery of residential, commercial and public sector...
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