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HISCOX
14 Jun, 2026
Full Time
Principal Data Scientist
HISCOX London, UK
Job Type: Permanent Build a brilliant future with Hiscox   As a Principal Data Scientist at Hiscox, you will be an integral part of a dynamic technical team, strategically focused on leveraging data science across our diverse business functions. While your expertise will be pivotal in transforming our underwriting capabilities, your influence will extend across the entire insurance value chain, championing a multi-disciplinary approach to complex problem-solving. You will lead the end-to-end delivery of our most significant and complex data science initiatives, driving technical strategy, architecture, and best practices. You'll be a key driver in defining and upholding technical standards, ensuring the development of robust, scalable, and high-quality solutions that enable fast, impactful delivery to stakeholders. Beyond project leadership, you will act as a crucial mentor and coach, fostering technical growth and expertise among junior and mid-level colleagues,...
HISCOX
14 Jun, 2026
Full Time
Principal Machine Learning Engineer
HISCOX London, UK
Job Type: Permanent Build a brilliant future with Hiscox   Principal Machine Learning Engineer Location: London/York   Why Hiscox London Market Hiscox London Market sits at the centre of global specialist insurance, tackling some of the most complex and unusual risks in the world. These are not commoditised problems, they demand deep expertise, strong judgement, and increasingly, sophisticated data and machine learning capabilities. We have a strong track record of putting AI into real production use, from augmenting underwriting decisions to shaping future market standards through partnerships and market‑first innovation. This is an environment where advanced ML systems are expected to operate reliably, safely, and at scale, not remain in experimentation. You’ll join a culture that values technical excellence, ownership, and courage, where senior individual contributors are trusted to set direction, challenge thinking, and build platforms that matter. For a...
AWE
14 Jun, 2026
Full Time
Principal Engineering Manager – New Build Delivery Lead
AWE Aldermaston, Reading RG7, UK
If you’d like to be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given. Principal Engineering Manager – New Build Delivery Lead Location:  located between Reading and Basingstoke, with free onsite parking . Package: £70,000 to £100,000 ( depending on your suitability, qualifications, and level of experience) Working pattern: AWE operates a 9-day working fortnight. We will consider flexible working requests so that your work may fit in with your lifestyle. Just let us know your preferred working pattern on your application. Ready to play your part? At AWE, it’s not just a job, it’s far more than that.   Let us introduce the role: AWE is currently recruiting for Principal Engineering Managers to act as Intelligent Client (IC), Principal Designer (PD) and hold Delegated Design Authority (DDA) across both the...
AWE
14 Jun, 2026
Full Time
Planning and Logistics Principal
AWE Glasgow Metropolitan Area, Glasgow, UK
If you’d like to be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given. Planning & Logistics Principal Location: Coulport, near Helensburgh (Scotland - 20 minutes north of Helensburgh) Package: £70,000 (Dependant on experience and suitability for the role) Working pattern: Monday – Thursday (core hours) Ready to play your part? At AWE, it’s not just a job, it’s far more than that. Our shared purpose is to help keep the nation safe. Could this role be the opportunity for you to play your part? As the Planning & Logistics Principal you’ll oversee the Strategic Weapon Systems programme, planning, logistics, and warehousing functions, all in support to ABL SWS operations and TSA support functions. You’ll also provide the primary AWE customer interface at a programme level to ensure due diligence prior to any task...
Thales
14 Jun, 2026
Full Time
Principal Systems Engineer
Thales Cheadle SK8, UK
Location: Cheadle, 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. Under Water Systems (UWS) Our purpose is to be the leading provider of underwater sensors and decision superiority, helping navies across the world keep our friends, families and all of us safe. We cover four sectors: Mine Counter Measures, Anti-Submarine warfare, Services and Future Capabilities. Primary Purpose of the Role: To manage the Systems Engineering Process to company and international standards for defined packages of work.  To provide line management and technical leadership to Systems Engineers. The...
Thales
14 Jun, 2026
Full Time
Principal FPGA Engineer
Thales Reading, UK
Location: Reading, 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 FPGA Engineer Location: Crawley, Reading or Bristol - Hybrid Thales Intelligence, Surveillance and Reconnaissance (ISR) UK is a principal supplier of UAS, EW and Radar equipment to the UK armed forces, as well as an exporter of these capabilities worldwide. ISR is a highly complex product development environment, focusing on delivering cutting edge products including: Digital Radar Electronic Support Measures (RESM) that provides situational awareness and identification of threats even in busy electronic...
Thales
14 Jun, 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...
Thales
14 Jun, 2026
Full Time
Principal Mechanical Engineer
Thales Belfast, UK
Location: Belfast, 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. The Role We are seeking an experienced a Senior Mechanical Design Engineer who has a proven ability to apply engineering first principles and knowledge to new & existing products within the IAS portfolio. Working as part of a large Mechanical Design team, the Senior Mechanical Design Engineer collaborates with local teams and multiple stakeholders to produce detailed Mechanical designs and support to a range of Weapon System, Missile and Platform products to satisfy customer requirements.  As we enter a period of...
Thales
14 Jun, 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...
Thales
14 Jun, 2026
Full Time
Principal Firmware Engineer
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 Firmware Engineer Location: Crawley, Reading or Bristol - Hybrid Thales Intelligence, Surveillance and Reconnaissance (ISR) UK is a principal supplier of UAS, EW and Radar equipment to the UK armed forces, as well as an exporter of these capabilities worldwide. ISR is a highly complex product development environment, focusing on delivering cutting edge products including: Digital Radar Electronic Support Measures (RESM) that provides situational awareness and identification of threats even in busy electronic...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Ulverston LA12, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Kirkby-in-Furness LA17, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Dalton-in-Furness, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Askam-in-Furness LA16, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Barrow-in-Furness, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Millom LA18, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Grange-over-Sands LA11, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
BS
13 Jun, 2026
Permanent
Principal Structural Engineer
BAE Systems Broughton-in-Furness LA20, UK
Job Title: Principal Structural Engineer Location: Barrow-in-Furness We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role 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 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 Principal Structural engineer, you will design and analyse complex steel structures using Eurocodes, British Standards and BAE standards whilst applying your expertise in regulations including...
Advance TRS
13 Jun, 2026
Permanent
Principal Fluvial Geomorphologist
Advance TRS 39 Holloway Rd, London N7 8JP, UK
Principal Consultant - Geomorphology Location: Flexible UK Location (Hybrid or remote working available) Salary: 55k- 65k+ subject to experience Type: Permanent, Full-Time Advance TRS is supporting a specialist environmental consultancy in the search for a Principal Consultant - Geomorphology to join their growing technical team. This opportunity is suited to an experienced geomorphologist with a strong background in river restoration and natural flood management who is looking to combine technical leadership with project management and business development responsibilities. The Role The successful candidate will provide technical leadership across a range of river restoration, catchment management and water environment projects throughout the UK. Working closely with multidisciplinary teams, you will help deliver practical, evidence-led solutions that enhance river processes and improve environmental resilience. The position offers a balance of technical delivery,...
BC
13 Jun, 2026
Permanent
Principal Engineer, BCG Expand, London
Boston Consulting Group 39 Holloway Rd, London N7 8JP, UK
Who We Are BCG Expand is a specialist firm providing unique data-driven business intelligence as a trusted advisor to senior executives across the world's leading financial services firms to help them to operate more effectively. Expand's activities are focused on data benchmarking in technology, operations, FinTech and market data, with expertise around strategic cost and human resourcing benchmarking in wholesale finance. Founded in 2001 as an independent research boutique, Expand is a wholly owned subsidiary of the Boston Consulting Group, headquartered in London and with offices in Singapore and New York. At Expand we're proud of our friendly, inclusive and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal...
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