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Onsite principal senior engineer
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HISCOX
21 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...
HISCOX
21 Jun, 2026
Full Time
Principal Platform Security Engineer
HISCOX York, UK
Job Type: Permanent Build a brilliant future with Hiscox   Position : Principal Platform Security Engineer, London Market As a senior and influential member of the London Platform Engineering Chapter, the Principal Platform Security Engineer will set direction and lead by example in maturing our platform security practices. You will guide multiple Innovation squads and Engineering Chapters, driving cloud-first adoption and championing secure-by-design initiatives. You will be an integral member of a Chapter spanning Platform, DevOps, and Site Reliability Engineers, and a core contributor to a Platform Engineering squad focused on continuous improvement across our cloud and on-premises platforms. You will raise engineering standards through automation, reliable design, and pragmatic governance, helping to deliver smarter, more cost-effective, and faster solutions that are reusable across squads. With security embedded across all squads, you will provide visible...
Thales
21 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
21 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
21 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...
AND Digital
16 Jun, 2026
Principal Engineer (Backend focus -Java)
AND Digital London, UK
Job Description: Principal Engineer Role Title: Principal Engineer (Tech Lead) Location: London (Hybrid - 3 days per week) Reporting to: Delivery Lead / Client Services Director Core Tech: Java, React, AWS Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014. We believe our work should always make a remarkable impact for our clients. We do this through our regional offices (or ‘Clubs’) building strong relationships with our partners, so that they are always prioritised by a team within close proximity.  This unique model has driven success for our clients and ourselves, evidenced by our remarkable organic growth since 2014. Today we number more than 1,300 people with Clubs all over the UK, Europe and the USA with plans for global expansion in the next couple of years. Join us - and help us...
citi
21 Jun, 2026
Full Time
Structurer, VP
citi London, UK
The Structurer is a strategic professional who stays abreast of developments within own field and contributes to directional strategy by considering their application in own job and the business. Recognized technical authority for an area within the business. Requires basic commercial awareness. There are typically multiple people within the business that provide the same level of subject matter expertise. Developed communication and diplomacy skills are required in order to guide, influence and convince others, in particular colleagues in other areas and occasional external customers. Significant impact on the area through complex deliverables. Provides advice and counsel related to the technology or operations of the business. Work impacts an entire area, which eventually affects the overall performance and effectiveness of the sub-function/job family. Responsibilities: The description and Key responsibilities of the role: Portfolio performance management, monitoring,...
Pfizer
21 Jun, 2026
Full Time
Senior Principal Scientist
Pfizer Loughbeg, Ringaskiddy, Co. Cork, Ireland
Senior Principal Scientist – Process Development Centre Use Your Power for Purpose At Pfizer, our purpose is to deliver breakthroughs that change patients’ lives. Your contributions will directly impact the development of new therapies and vaccines, ultimately improving the lives of patients around the world. By leveraging cutting-edge design and process development capabilities, you will help accelerate the delivery of best-in-class medicines to patients globally. About Pfizer Process Development Centre The Pfizer global Process Development Centre (PDC) is an innovative team which develops novel synthetic routes and scalable chemical API processes and technology for the Pfizer global manufacturing network. Our process chemists, analytical scientists, and chemical engineers collaborate to design robust, safe, and scalable chemistry that accelerates delivery of life‑changing therapeutics to patients. Additionally, the PDC leads and supports various supply assurance projects...
Thales
21 Jun, 2026
Full Time
Lead IVVQ Engineer
Thales Templecombe BA8, UK
Location: Templecombe, 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: The Communications and Acoustic Products (CAP) team support the development and maintenance of RF communications systems and products including antennas, processing and distribution equipment,...
Thales
21 Jun, 2026
Full Time
Electronic Warfare System Architect
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. Thales Intelligence, Surveillance and Reconnaissance (ISR) UK is a principal supplier of Electronic Warfare (EW), Radar and UAS 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 EW portfolio, delivering cutting edge products including: Digital Radar Electronic Support Measures (RESM) that provides situational awareness and identify threats even in busy electronic transmission environments Radar...
Thales
21 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
21 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...
Thales
17 Jun, 2026
Full Time
Software IVVQ Manager
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. Primary Purpose of the Role: To drive the evolution and deployment of Data and AI capabilities within the businesses and to our customers in order to increase growth in orders and increased customer satisfaction.  As part of a newly established Software development and delivery team, the IVVQ Manager will work with both the development team, IVVQ Engineers and the end user in Thales UK businesses. Supporting the Thales UK Digital and Data strategy the Software IVVQ Manager will; support the delivery software offerings...
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