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Permanent principal mechanical engineer
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BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Kirkby-in-Furness LA17, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Broughton-in-Furness LA20, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Dalton-in-Furness, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Grange-over-Sands LA11, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Millom LA18, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Ulverston LA12, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Barrow-in-Furness, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
BS
03 Apr, 2026
Permanent
Principal Mechanical Engineer
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Mechanical Engineer Location: Barrow-in-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 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. What you will be doing: In this role, you will lead the design and development of mechanical systems for next-generation Royal Navy submarines, with a focus on air purification...
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...
Calibre Search
20 Mar, 2026
Permanent
Senior/Principal Mechanical Engineer
Calibre Search Exeter, UK
Senior/Principal Mechanical Engineer Location: Exeter (Hybrid - 2 days WFH) Salary: 45,000 - 60,000 + benefits This is an opportunity to join a close-knit team of around 25 staff, where you'll play a key role in delivering technically strong, buildable designs across a genuinely varied project portfolio. You'll be working across sectors including healthcare, MOD, education (from primary schools through to universities), commercial, and residential. Projects range from complex refurbishments through to new build developments, with the added benefit of working both client-side and alongside contractors-giving you well-rounded exposure and a deeper understanding of how projects are delivered on site. The business prides itself on developing high-quality engineers, with a strong emphasis on practical design and real-world application. You'll be given the autonomy to take ownership of your projects, build client relationships, and support the development of junior...
Calibre Search
03 Apr, 2026
Permanent
Senior / Principal Mechanical Building Services Engineer
Calibre Search Woolston, Warrington, UK
Senior / Principal Mechanical Building Services Engineer Warrington 50,000 - 65,000 DOE + Benefits We're working with a growing integrated MEP and building physics consultancy with offices in Yorkshire and the North West. They deliver mechanical, electrical, and sustainability design across a broad range of sectors, residential, commercial, education, industrial, and retail - and they're looking for a Senior or Principal Mechanical Engineer to join their expanding team. This is a consultancy that does things properly. Design continuity runs all the way through to site, so you'll actually see your work get built - not hand it off at Stage 3 and move on. They have a real emphasis on buildability from the earliest design stages, and the business is fully digitally operational with Revit Coordinators working alongside the engineering team on every project. At Senior level, you'll be taking ownership of mechanical design across a live and varied project portfolio, working...
Eden Brown
15 Apr, 2026
Permanent
Senior / Principal / Associate Mechanical Design Engineer
Eden Brown Oxford, UK
Senior / Principal / Associate Mechanical Design Engineer Oxfordshire Hybrid Working 9 Day Fortnight Up to 75k Looking for a role where you can lead projects, influence clients, and still have a genuine work-life balance? This is an opportunity to join a growing, design-focused building services consultancy with a strong reputation for delivering high-quality engineering across a diverse range of sectors. With ambitious plans and a close-knit team, they're now looking to appoint a senior mechanical hire to play a key role in their Oxford office. The Opportunity This role is ideally suited to someone operating at Principal or Associate level (or a strong Senior ready to step up), who wants more ownership, visibility, and progression. You'll take the lead on projects, act as a key client contact, and help shape the growth of the team - all within a business that genuinely supports its people. What You'll Be Doing Leading mechanical design delivery from...
BS
09 Apr, 2026
Permanent
Principal Engineer - Mechanical Engineering
BAE Systems Barrow-in-Furness, UK
Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 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. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical...
BS
09 Apr, 2026
Permanent
Principal Engineer - Mechanical Engineering
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Engineer - Mechanical Engineering Location: Barrow-in-Furness - Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role Salary: Circa £55,000 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. Job Description: As a member of the Dreadnought Platform Mechanical Engineering team. Your role is responsible for leading the design of a mechanical...
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