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Onsite principal systems engineer
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Thales
04 May, 2026
Full Time
Principal Systems Engineer / Solutions Architect - Naval Communications
Thales Crawley, UK
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Our work is organised into two portfolios that guide strategic growth in Secure Communication and Protection. The Land Communications team focuses on tactical radio and electronic countermeasures for UK and global markets. Our Security and Naval Communications team draws on over 100 years of partnership with the Royal Navy, delivering an evolving portfolio of integrated voice and data systems that support resilient, mission‑ready communication.  We are looking for a Senior Principal Systems Engineer to lead the delivery of...
MBDA UK
03 May, 2026
Permanent
Principal Systems Engineer - Future Products
MBDA UK Stevenage, UK
Stevenage As a Future Products Principal Systems Engineer within the newly formed Future Products department; part of Missile Design UK: Emerging Portfolio & Capability function, you will be assigned to take on a variety of roles in support of MBDA's Vision 2040. Salary : Circa £55,000 depending on experience Dynamic (hybrid) working : 3-4 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 year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity...
Thales
02 May, 2026
Full Time
Principal Systems Engineer - Electronic Warfare
Thales Crawley, UK
Location: Crawley, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Principal Systems Engineer - Electronic Warfare  Crawley - Hybrid Thales Intelligence, Surveillance and Reconnaissance (ISR) UK is a principal supplier of Unmanned Aerial Systems (UAS), Electronic Warfare (EW) and Radar equipment to the UK armed forces, as well as an exporter of these capabilities worldwide. We are looking for senior engineers with the skills and experience to enhance our Electronic Warfare portfolio, delivering cutting edge products including: Digital Radar Electronic Support Measures (RESM) that...
BS
01 May, 2026
Permanent
Principal Systems Engineer
BAE Systems Freshwater, UK
Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes - 4/5 days weekly onsite 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 DOE + bonus scheme Come and put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague...
BS
01 May, 2026
Permanent
Principal Systems Engineer
BAE Systems Sandown PO36, UK
Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes - 4/5 days weekly onsite 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 DOE + bonus scheme Come and put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague...
BS
01 May, 2026
Permanent
Principal Systems Engineer
BAE Systems Ryde PO33, UK
Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes - 4/5 days weekly onsite 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 DOE + bonus scheme Come and put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague...
BS
01 May, 2026
Permanent
Principal Systems Engineer
BAE Systems Seaview, UK
Job Title: Principal Systems Engineer Location: Isle of Wight - Cowes - 4/5 days weekly onsite 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 DOE + bonus scheme Come and put yourself into a dynamic Principal Systems Engineering role at the forefront of real world demands in the defence industry. Alongside ensuring operational excellence for our existing products, there will be the opportunity to develop next generation radar products to counter emerging threats and contribute to our strategy for new technology. Your new day-to-day will be exciting and diverse by applying the principles of Systems Engineering across the entire engineering development lifecycle as you join in developing radar systems used by those who serve and protect us. Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague...
MBDA UK
03 May, 2026
Permanent
Principal Systems Engineer
MBDA UK Filton, Bristol, UK
Bristol We are seeking experienced, innovative and passionate system thinkers to join our dynamic team, working on an ambitious and pioneering programme.Imagine playing a crucial role in designing and delivering next-generation combat air systems that will set new standards in weapon integration, effectiveness and efficiency. Salary : Up to £58,000 depending on experience Dynamic (hybrid) working : 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 year to year) Pension : maximum total (employer and employee)...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Kirkby-in-Furness LA17, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Millom LA18, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Barrow-in-Furness, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Broughton-in-Furness LA20, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Dalton-in-Furness, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Ulverston LA12, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Askam-in-Furness LA16, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
02 May, 2026
Permanent
Senior/Principal Platform Systems Mechanical Engineer
BAE Systems Grange-over-Sands LA11, UK
Job Title: Senior/Principal Platform Systems Mechanical Engineer Location: Barrow-In-Furness (Onsite) Salary: Competitive 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 advanced, technology-led defence, aerospace and security solutions, 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 support the development and delivery of mechanical platform systems, ensuring robust design evidence is generated to support safe and effective engineering solutions. You will contribute to testing and commissioning activities, support issue resolution, and work closely with multidisciplinary...
BS
01 May, 2026
Permanent
Principal Electronics Systems Engineer
BAE Systems Cowes, UK
Job Title: Principal Electronics Systems 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 £87,200 (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: A Principal...
BS
01 May, 2026
Permanent
Principal Electronics Systems Engineer
BAE Systems Freshwater, UK
Job Title: Principal Electronics Systems 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 £87,200 (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: A Principal...
BS
01 May, 2026
Permanent
Principal Electronics Systems Engineer
BAE Systems Newport PO30, UK
Job Title: Principal Electronics Systems 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 £87,200 (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: A Principal...
BS
01 May, 2026
Permanent
Principal Electronics Systems Engineer
BAE Systems Seaview, UK
Job Title: Principal Electronics Systems 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 £87,200 (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: A Principal...
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