551 to 575 of 855 Principal Engineer Jobs in the UK

Principal Software Engineer

Location
Thame, England, United Kingdom
Hi, we’re PEXA! We know you’ll Google us before applying, so let’s keep this brief. PEXA revolutionised the way that property is settled in Australia, turning a paper-based process into a ...

Principal Cloud Software Engineer

Location
Cambridge, England, United Kingdom
AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Principal Cloud Software Engineer Location: Cambridge, UK – Hybrid Employment Type: Full-time regular The job Reporting to the Director of CONNECT Core Services, you will provide technical leadership for the design and implementation ...

Principal Platform Software Engineer (Robotics and Lab Automation)

Location
Reading, England, United Kingdom
will enable reliable execution of physical tasks and capture of experimental data, helping scientists develop and operate intelligent, automated laboratories. We are seeking a Principal PlatformSoftware Engineer with deep experience in robotics software, process automation, and physical system integration. Working with scientists, product teams, hardware engineers ...

Principal Platform Software Engineer (Robotics and Lab Automation)

Location
Greater London, England, United Kingdom
will enable reliable execution of physical tasks and capture of experimental data, helping scientists develop and operate intelligent, automated laboratories. We are seeking a Principal PlatformSoftware Engineer with deep experience in robotics software, process automation, and physical system integration. Working with scientists, product teams, hardware engineers ...

Principal Backend Engineer - Hybrid, Equity & PTO

Location
Manchester, England, United Kingdom
Autotrader in Manchester is seeking a Principal Software Engineer (Backend) to help build a scalable platform powering Autotrader.co.uk and beyond. You’ll work on Spring Boot services, RESTful APIs, and high-throughput systems. The role emphasizes leadership, architecture discussions and mentoring, with a hybrid working model. Salary ...

Principal Performance Engineer: Elasticsearch

Location
Greater London, England, United Kingdom
Elastic, the Search AI Company, is seeking a Principal Software Engineer to join the Elasticsearch Performance team. You will lead architectural and code-level performance initiatives, driving optimizations and benchmarking across distributed systems. Requirements include deep Java internals knowledge, JVM memory management, and experience with profiling tools ...

Principal Salesforce Engineer — AI & Integrations Leader

Location
Greater London, England, United Kingdom
Source Group International is seeking a Principal Salesforce Engineer to lead the design and hands-on delivery of high-quality Salesforce solutions in a global financial services context. You will own engineering standards, mentor engineers, and drive integration projects across public and private business lines. The role emphasizes ...

Principal Test Engineer (Hybrid) — Quality & Automation Leader

Location
Greater Manchester, England, United Kingdom
Matchtech Group is seeking a Principal Test Engineer for a leading technology and insurance organisation. You will provide technical leadership across complex programmes, shaping testing strategy and governance in a hybrid pattern with two days per week in London, Bournemouth or Stockport. You will design scalable automation frameworks ...

Senior Principal EDA Engineer – CMOS ASICs & Quantum ICs

Location
Greater London, England, United Kingdom
Quantum Motion is seeking a Principal EDA Engineer to drive the EDA environment, support tape-out and interface with foundries for advanced CMOS ASICs. You will lead a multidisciplinary team and shape the flow from concept to volume production in a cutting-edge quantum computing program. The role ...

Principal Electronics Engineer

Location
Maidenhead, England, United Kingdom
capabilities, generating highly differentiated solutions and products by applying electronic, mechanical, and software technologies in demanding and critical environments to meet customer needs. The Principal Electronics Engineer will be responsible for research, design and development of digital and analogue electronics within the Hardware Engineering team. A professional ...

Principal AI Engineer - Context - Agents and Context

Location
United Kingdom
improves from real usage. Any agent can use it: Elastic’s own Agent Builder, Claude Code, LangChain and other third-party harnesses. As a Principal AI Engineer, you own the improvement loop of this product end to end: how agents, automations and skills behave in production ...

Senior / Principal C# / .NET Engineer | Cloud Engineering

Location
Cambridge, England, United Kingdom
Senior/Principal C#/.NET Engineer | Cloud Engineering | Exceptional Software House Brilliant engineers. Complex technical challenges. A genuinely great place to work. An exceptional software house is expanding its engineering team and hiring Senior and Principal C#/.NET Engineers to build sophisticated, cloud-based software. … develop scalable cloud systems across AWS or Azure Solve challenging problems around architecture, performance and distributed systems Influence engineering practices and technical direction At Principal level, help shape architecture and mentor other engineers About You Strong commercial experience with C#/.NET Hands-on cloud experience with ...

Principal Engineer, Design Verification

Location
City of Edinburgh, Scotland, United Kingdom
This would span the entire development cycle from concept phase, through verification planning, implementation, execution, and release of products to customers. The Design Verification Engineer will collaborate with the wider ADI technical community which affords an opportunity to work with many business units in ADI with exposure to many ...

Principal Process Engineer, Etch

Location
Newport, Wales, United Kingdom
this role, you will play a key part in advancing business priorities by delivering high-impact work across your area of expertise. The Principal Process Engineer is a senior technical leader responsible for the development, optimization, and control of advanced etch processes. This role drives innovation, resolves complex ...

Principal Test Solutions Engineer

Hiring Organisation
Gi Group
Location
Edinburgh, Granton, City of Edinburgh, United Kingdom
Employment Type
Temporary
Title: Principal Test Solutions Engineer Positions: 2 Location: Edinburgh Start Date: ASAP Shift Pattern: Day shift, Friday to Monday, 07:00-17:30 Working Arrangement: Inside IR35 The Opportunity Work at the forefront of Electro Magnetic Compatibility (EMC) engineering, supporting the development and qualification of next-generation defence ...

Principal Engineer (Data & AI Capabilities)

Hiring Organisation
Compare the Market
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Job-ID: 100284Category: Data & AnalyticsLocation: London, United Kingdom; Peterborough, Cambridgeshire, United KingdomSchedule: Full timePosted: 2026-09-21Curious about what's next? So are we. Join Compare the Market and help to make financial decision ...

Principal AI Engineer: Strategy & Scale Leader

Location
Greater London, England, United Kingdom
Railpen Limited in London is seeking a Principal AI Engineer to drive AI capability across the organisation, providing technical leadership and hands-on expertise as we design and scale practical AI solutions. You will work with architects, engineers and business stakeholders to translate requirements into production-ready applications ...

Principal Engineer

Location
Greater London, England, United Kingdom
MOO brings brands to life in a sustainable way, with a range of remarkable print and merchandise products. We combine design, technology, manufacturing and service, so that people can connect in memorable ways. Not online ...

Principal Systems Engineer – MBSE & Defense Integration

Location
Wickford, England, United Kingdom
Leonardo UK Ltd in Basildon seeks a Principal Systems Engineer to lead the Modular Integrated Protection Systems team. You will drive test strategies, integrate hardware and software, and support V&V activities to deliver robust, customer-aligned solutions. Ideal candidates will have governance experience, IPT delivery, and strong ...

Principal Engineer Digital Design (f/m/div)

Location
West of England, England, United Kingdom
Your role As a Senior Staff Digital Design Engineer in our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. As a Senior Staff Digital Design Engineer ...

Principal Optical Design Engineer

Location
Greater London, England, United Kingdom
Onsite 5 days a week – Chiswick, London. We’re hiring a Principal Optical Design Engineer to own the optical architecture, design strategy, validation approach and production-intent development of HoloMem’s optical system, taking it from initial validated prototypes towards scalable product architecture for our first generation HoloDrive … stay close to the work, not simply direct it from a distance. The Specifics About the Role This role is suited to a Principal Optical Design Engineer who has taken optical systems beyond prototype and understands what changes when a design has to become manufacturable, alignable, calibratable, testable ...

Principal Telecoms Engineer

Location
Birmingham, England, United Kingdom
Select how often (in days) to receive an alert: Principal Telecoms Engineer Location: Birmingham, GB Company: Alstom Location: Birmingham (Flexible) Appointment Basis: 12 Month FTC Apply by: 19/11/26 Salary + Benefits: circa 75k DOE At Alstom, we build what millions depend on daily: rail … portfolio: high-speed trains, metros, trams, maintenance services and integrated systems. More Than a Job: A Mission We are looking for a Principle telecoms engineer to combine technical leadership with accountable delivery of railway telecoms work packages. You will coordinate design, installation, testing and commissioning, ensuring that engineering requirements ...

Principal DevSecOps Engineer - Secure Cloud & Automation Lead

Location
Gloucester, England, United Kingdom
Leonardo UK Ltd in Gloucester seeks a Principal DevSecOps Engineer to bridge development, testing, infrastructure and operations within a highly secure environment. You will own CI/CD pipelines, IaC practices and secure deployments across hybrid cloud and on-premise systems. You will lead, mentor and collaborate with ...

Principal Systems Engineer

Hiring Organisation
Leonardo UK Ltd
Location
luton, bedfordshire, east anglia, united kingdom
work and its connections to UK Defence strategy, applicants must have five years UK Residency and hold a UK Passport. Salary Range: Senior Engineer £45,000 - £60,000Principal Engineer £55,000 - £70,000Where this vacancy is being recruited across more than one grade, the successful candidate will ...

Principal Mobile Engineer

Hiring Organisation
RecWorks
Location
London, UK
Employment Type
Full-time
client is a digital bank that is looking for a Principal Mobile Engineer to get involved in the very early stages of a greenfield project that will involve building and shipping large-scale and multi-region mobile applications. In this role ...