Principal Systems Engineer Permanent Full-time Salary DOE Location: Berkshire Working Pattern: Five days per week on-site Clearance: Eligibility for SC clearance and willingness to obtain and maintain DV clearance We're partnering with a leading organisation within the UK Defence sector to appoint an experienced Principal Systems Engineer. This is an excellent opportunity for a senior engineering professional to provide technical leadership across the full Systems Engineering lifecycle, supporting the delivery of complex, security-critical programmes and working closely with multidisciplinary engineering teams. The Opportunity As Principal Systems Engineer, you'll lead Systems Engineering activities across complex projects and work packages, providing technical direction across systems, hardware, software and firmware. You'll play a key role in developing and assuring requirements, architectures, designs and technical documentation, while...

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...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Combat Systems Engineer Location: Portsmouth Naval Base & Portsmouth Broad Oak - hybrid pattern of 3/4 days on site 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 £57,100 depending on skills and experience + bonus scheme 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: Within the Warship Technical Authority, WTA, you will provide engineering...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...

Job Title: Principal Systems Design Engineer Location: Various locations across the UK and Scotland - Hybrid, up to 3 days per week on site. 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 £68,500 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'll be doing: You will lead the Hybrid Navy Software System Design workstream, ensuring solutions align...