576 to 600 of 818 Principal Engineer Jobs in the UK

complex programmes across Defence, Aerospace, Nuclear and other highly regulated sectors. As demand for our services grows, we are looking for a Senior/Principal Autonomous Systems Safety Engineer to help deliver safety-critical solutions for autonomous and AI-enabled systems across the defence sector. Previous experience … essential; experience across Land, Maritime, Air or Weapons, Ordnance, Munitions and Explosives (WOME) domains would be beneficial. Your role As an Autonomous Systems Safety Engineer, you will deliver safety engineering and safety assurance activities across complex autonomous, software-intensive and AI-enabled systems. Working with clients and multidisciplinary teams ...

with Raytheon UK to hire for this role. Date Posted: 2026-08-11 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Principal Software Engineer Gloucester/Manchester Onsite Due to the interesting work we do and the sector this team is working in, we require ...

Expleo Group in the United Kingdom is seeking a Principal MBSE Engineer to lead model-based systems engineering across complex aerospace and defence programmes, driving Digital Engineering, MBSE adoption, and digital thread initiatives. You will develop architectures, establish modelling standards, lead technical reviews, and mentor MBSE practitioners while ...

Group GTI in Wallingford, UK, is seeking a Principal Java Engineer to provide technical leadership for their core SaaS platform. You will own architecture, set engineering standards and mentor teams, collaborating with Product, Data, Ops and QA to deliver secure, scalable solutions. The role emphasizes driving performance, security ...

Leonardo UK in Basildon is seeking a Principal Test Engineer to support electro‐optical test equipment and test processes for Precision Guidance products, from development to production. You will contribute to test strategy, system design, and documentation while collaborating with production teams to resolve field issues. The role ...

Leonardo UK Ltd. is seeking a Principal Software Engineer (DevSecOps) in Luton, with responsibility for accelerating secure software delivery across defence programmes. You will champion modern engineering practices, drive automation and embed security throughout the lifecycle, contributing to enterprise DevSecOps capabilities across cloud and on-prem environments. ...

Resources is recruiting for a Principal RF Engineer in Bristol. The role is hybrid with a minimum of 3 days onsite and requires eligibility for UK SC clearance. You will own RF and mixed-signal hardware from initial architecture through schematic design, PCB implementation, bring-up and validation ...

Machine Learning Engineer (All Levels) Department: Engineering Employment Type: Permanent - Full Time Location: Bristol, UK Reporting To: Greg Daly Compensation: £50,000 - £95,000/year Description We’re building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience. We specialise … Europe’s fastest-growing engineering businesses. About the role We are growing our ML team and hiring across mid, senior, lead and principal levels. We are looking for AI builders; you will be working on developing and deploying AI systems to solve complex problems that have real-world impact. ...

Leonardo UK in the United Kingdom is seeking a Principal Software Engineer (DevSecOps) to accelerate secure software delivery across defence and security programmes. You will lead and mentor teams, drive automation, and shape our enterprise DevSecOps capabilities across cloud, on‐prem, and hybrid environments. The role focuses ...

leading project solutions company in London is seeking a Principal AI Engineer to drive innovative AI initiatives. The ideal candidate will have strong leadership skills and deep technical expertise in AI and machine learning, overseeing the development of advanced AI systems. This high-impact role demands a visionary ...

Principle Full Stack Engineer – Up to £85k – Liverpool A well-established organisation in the automotive marketing space is hiring a Principal Full Stack Engineer to join at a key moment of transformation. Their platforms power high-intent buying journeys, processing hundreds of thousands of customer interactions each … place, but there’s still plenty of greenfield and real opportunity to shape both the product and how the team operates. The role: Principal Full Stack Engineer (backend-leaning). You’ll be central to the rebuild, shaping architecture, setting standards and working directly with product and leadership. ...

game-changing career, working for one of the world's leading financial institutions, you've come to the right place. As a Principal Software Engineer at JPMorgan Chase within the Corporate Sector, you provide expertise and engineering excellence as an integral part of an agile data engineering team. … best-in-class outcomes across various technologies to support one or more of the firm's portfolios. This role is suited to a senior engineer who has hands-on skills to lead across multiple teams defining architecture, engineering practices and standards, and delivering high-impact software that scales. ...

generosity. Join us for the opportunity to grow and make a difference in ways that matter to you. Role Summary In this role as Principal Site Reliability Engineer, Infrastructure Observability you will help formulate, develop, and implement a team of Site Reliability Engineers (SREs) focused on the observability ...

aerospace nacelle actuation. The position will be located within a new bespoke facility in Wolverhampton. We are seeking an experienced and highly motivated Principal Electric Systems Engineer – Motor drives to join our team in Wolverhampton. Reporting to ASG-UK Site Lead – Chief Engineer, you will provide technical ...

## Senior or Principal Firmware/FPGA EngineerApplylocations: GB - Edinburgh: GB - Newcastletime type: Full timeposted on: Posted Todayjob requisition id: R0029231**Job Description:**Salary: Senior: £45, 200 to £61,950/Principal: £53,300 to £71,400Leonardo UK operates a grade-based salary framework with broad bands. … Exceptions above the standard range are managed through governance controls to protect internal equity.**Your impact**We are looking for a Firmware/FPGA engineer to join Leonardo in Edinburgh or Newcastle, a world-class defence technology company. We develop cutting-edge radars for the Eurofighter Typhoon and SAAB ...

nineDots.io is seeking a backend engineer to build provenance and attestation infrastructure at the heart of modern software delivery. You will design systems that provide end-to-end traceability from source to deployed artifact, including how artifacts were built and used downstream. You will work on greenfield projects, shaping ...

stay aligned, move quickly, and think long term, while keeping teams lean and focused on impact. About the Role We're hiring a Principal Backend Engineer to lead the engineering team behind Push, Aave Labs' regulated, non-custodial on-ramp and off-ramp. This is a hands ...

company is shaping the future where trusted data becomes a transformative force for business and society. The Challenge We’re looking for a Senior Principal Solutions Engineer to join our Solution Engineering team. In this role, you will lead the development and execution of the company ...

employees. A singular technology platform powered by data and machine learning provides secure, differentiated, and personalized experiences that drive loyalty and traveler satisfaction. This Principal Android Engineer sits within the Search and Recommendations Experience team which owns the end-to-end search and recommendations experience, including search entry ...

Role: Principal Consultant - Systems Engineering Salary: from £60,000 Location: Portsmouth Intro Sirius Analysis, we are a rapidly growing consultancy firm, renowned for our reputation and our keen ability to understand and meet customer requirements effectively. Our team is dedicated to delivering high-quality, end-to-end consultancy services ...

About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can ...

FINTEC recruit Ltd is seeking a Senior/Principal FPGA Engineer in Edinburgh to design, verify, and deliver robust FPGA solutions across complex programmes. You will own technical activities, capture requirements, and work with Systems, Hardware and Software teams to ensure smooth integration. The role emphasizes strong VHDL ...

Expedia Group is seeking a Principal Android Engineer to lead the end-to-end Android mobile experience across multiple lines of business, including lodging, cars, activities, flights, and packages. You will set architectural direction, mentor engineers, and drive AI-enabled capabilities across the mobile platform. The role requires ...

Aave Labs is seeking a Principal Backend Engineer to lead the Push engineering team, overseeing on-ramp/off-ramp systems and regulatory compliance controls. You will drive architectural direction, ensure security and resilience, and mentor a high-performing engineering team across payments, identity, and blockchain integrations. ...

Cloudsmith is hiring a Principal Quality Engineer to elevate quality across our platform and engineering teams. You will shape testing strategy, define quality metrics, and build a culture where quality is owned by teams and embedded in design, development, and deployment. You will partner with engineering leadership ...