Company OverviewThroughout our worldwide network of experts, clients and communities, we are renowned for our leadership in fire protection engineering – a legacy of responsibility we have proudly upheld since 1939. Today, our expert...Read More>>.

Overview The Power Energy Systems (PES) Practice of AtkinsRéalis is seeking a Principal Engineer for Overhead Lines to join our team in the UK. We are looking for an energetic and experienced OHL Engineer who can act as a technical sp...Read More>>.

Principal Engineer - Tunnelling & Underground Structures AECOM Birmingham, England, United Kingdom Job Description Are you ready to join a team of talented engineers and shape the future of Tunnelling & Underground Stru...Read More>>.

Accenture Manchester is seeking a Principal Software Engineer to lead engineering workstreams across client projects, shaping delivery with a strong emphasis on quality and tangible outcomes.You will grow teams, mentor engineers, and collab...Read More>>.

HARMAN’s engineers and designers are creative, purposeful and agile. As part of this team, you’ll combine your technical expertise with innovative ideas to help drive cutting-edge solutions in the car, enterprise and connected ecosystem. E...Read More>>.

Business Area: Asset Management Platform Location: London Reporting to: Client Technology Delivery Lead Job title: Principal Salesforce Engineer Who we’re looking for We are seeking a hands‑on Salesforce...Read More>>.

Job Description Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center – all in an environment that nurtures skills...Read More>>.

Laing O'Rourke invites applications for a Principal Engineer to lead technical direction across the manufacturing team. You will govern engineering outputs, set standards, and ensure delivery on complex civil programmes, interfacing with client de...Read More>>.

Cisco ThousandEyes is seeking engineering leaders to help evolve and ship scalable, reliable digital‑experience solutions. You will work with product and engineering teams to deploy features across the Cisco portfolio, leveraging AI to improve i...Read More>>.

Principal Engineer – Electrical Engineering (Control & Instrumentation)Join to apply for the Principal Engineer – Electrical Engineering (Control & Instrumentation) role at TieTalentJob Title: Principal C&I Eng...Read More>>.

OverviewThe Applied Innovation (of AI) Engineering team is an elite machine learning group strategically located within the Chief Data Analytics Office (CDAO) Technology group of JPMorgan Chase. AI Engineering tackles business critical...Read More>>.

Newcastle upon Tyne, United Kingdom About Scrumconnect Consulting Scrumconnect Consulting is a leading digital transformation consultancy delivering innovative technology solutions across the public and private sectors. We speci...Read More>>.

Shape a faster, smarter, safer future. You might know us for the great work we do across our wide variety of projects. We're proud to say it's thanks to our people's diversity of thought, expertise and knowledge. And when you join us,...Read More>>.

What if you could shape a career as unique as you? At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented in...Read More>>.

Principal Engineer – Photolithography Job Summary We are seeking a highly skilled and innovative Principal Engineer specialising in photolithography processes to support advanced photonics R&D and manufacturing....Read More>>.

Around the world, SYSTRA’s specialists plan, design, integrate, test, commission, project manage and deliver mass transit and mobility solutions that are relied on by more than 50 million people every day.For more than 60 years, the Gr...Read More>>.

Principal Software Engineer: 6 Month Contract - West Midlands/HybridType: 6 Month ContractDay Rate: Market Rates (Outside IR35)Location: West Midlands/HybridStart: ASAPWe are seeking a Principal Software Engin...Read More>>.

Answer Digital in Leeds seeks a Principal Software Engineer to shape engineering at scale, co-own capability strategy, and raise the technical bar across client engagements. You will lead strategy, standards, and delivery across multiple projects,...Read More>>.

Your ImpactAre you a software engineer with a working knowledge of Artificial Intelligence (AI) and Machine Learning (ML)? Are you interested in developing software for some of the most cutting-edge defence and aerospace projects in th...Read More>>.

BMSL Group Ltd in Bridgend, South Wales, seeks a Principal Engineer to provide strategic technical leadership across major infrastructure projects. You will steer pre-construction through delivery, ensuring buildable, safe and commercially viable...Read More>>.

Leonardo is seeking a Principal Software Engineer to drive pivotal technical work within our Integrated Sensors & Protection line. You will develop a new generation of features using innovative C/C++ software across defence projects, collaborating...Read More>>.

Our vision is to give everyone the belief they can make their move. We aim to make moving simpler, by giving everyone the best place to turn to and return to for access to the tools, expertise, trust, and belief to make it happen. We’r...Read More>>.

IntroductionFull-time, permanent positionBased in DoncasterJoin an industry leader who is supporting Australia move towards a renewable energy futureDescriptionWho Ar...Read More>>.

Defaqto is hiring a Principal Software Engineer in London to shape how we build software. You will lead the shift from AI-assisted coding to AI-led delivery, own high‑risk initiatives, and set engineering standards across the Technology function...Read More>>.

Elastic, the Search AI Company, is seeking a Principal Software Engineer to join the Elasticsearch - Search Infra team. You will define, lead, and contribute to core search and indexing capabilities in a globally distributed environment.You...Read More>>.

easyJet is seeking a Principal Software Engineer to lead the eCommerce Platform Delivery team. You will guide multiple squads, drive architectural choices, and ensure secure, scalable, high-performance systems.A strong focus on data integri...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

Principal Software Engineer C++ (Cloud Video Framework) Contract: Full-Time, Permanent Working Location: Hybrid, 2 Days a week in the office, minimum Office Locations: UK/Hungary Join Our Team...Read More>>.

The Citation Group in the United Kingdom is seeking a hands-on software engineer to contribute to a major platform transformation. You will own features end-to-end, shaping the way we build, test, and deliver software with an AI-native approach....Read More>>.

Albany Growth is partnering with a software business undergoing a major technology transformation. We are hiring a Principal Software Engineer to stay hands-on while shaping how to rebuild a large legacy product estate for a cloud-native future....Read More>>.

Principal Software Engineer C++ (Cloud Video Framework)Principal Software Engineer C++ (Cloud Video Framework)Contract: Full-Time, PermanentWorking Location: Hybrid, 2 Days a week in the office, minimum...Read More>>.

The Role We have an opportunity for a Principal Engineer working with a particular focus on our defence and security clients. You'll join a team of talented engineers and scientists designing, building, and testing intelligent, human-cent...Read More>>.

Job Description Overview The Power Energy Systems (PES) Practice of AtkinsRéalis is seeking a Principal Engineer for Overhead Lines to join our team in the UK. We are looking for an energetic and experienced OHL Engineer who can act as a technica...Read More>>.

Job Description OverviewLet’s secure the future of energy. You might know us for the great work we do across our wide variety of projects. We’re proud to say it’s thanks to our people’s diversity of thought, expertise and knowledg...Read More>>.

Join Our Team: Principal Mechanical & Electrical Engineer, national role. Navigate your future and lock in your career as we keep our canals open and alive. Our Mechanical, Electrical, Instrumentation, Control & Automat...Read More>>.

Principal Engineer Department: R&D Employment Type: Full Time Location: Plymouth Description The New Technologies Group identifies, evaluates and develops the emerging technologies that w...Read More>>.

Job ID 2026-19511 Date posted 06/10/2026 Location Cambridge, United Kingdom Category IT Job Overview The Principal Eng Plat AI Architect sets direction for how AI is embedded across Arm's engineering pla...Read More>>.

25 days holiday, plus UK public holidays Location: Hybrid (2-3 days per week in our Canary Wharf office) Salary: £85 - £90k per annum Reports to: Director of Product Engineering Join U...Read More>>.

Select how often (in days) to receive an alert: We are currently looking for a Principal Hardware Engineer to join our Research and Development team, based in Dunfermline. Working with a highly skilled and innovative team you will design an...Read More>>.

Job Description Your Impact Do you want to shape the future of DevOps across the UK’s most critical missions? At Leonardo, our Lead DevOps Engineers are recognised authorities in automation and secure software delivery. They se...Read More>>.

Around the world, SYSTRA's specialists plan, design, integrate, test, commission, project manage and deliver mass transit and mobility solutions that are relied on by more than 50 million people every day.For more than 60 years, the Group has b...Read More>>.

Thatcham Research is looking for a Principal Engineer – Automotive Damageability to serve as our technical authority in vehicle damage performance risk and insurance-related vehicle assessment. In this strategic role, you’ll lead the developme...Read More>>.

Job Description Summary Tätigkeiten, die darauf abzielen, durch Anwendung wissenschaftlicher und technischer Methoden zu beweisen, dass ein Konzept gültig oder technisch machbar ist. Die Arbeit in dieser Familie hat in der Reg...Read More>>.

Are you looking for a unique opportunity to be a part of something great? Want to join a 17,000-member team that works on the technology that powers the world around us? Looking for an atmosphere of trust, empowerment, respect, diversity, and comm...Read More>>.

Thatcham Research is seeking a Principal Engineer – Automotive Damageability to serve as the technical authority on vehicle damage risk and insurance-related assessment. You will lead development of methodologies to quantify damage performance i...Read More>>.

(What the role is) The Infrastructure Planning Branch (IPB) plays a key role in shaping and safeguarding Singapore's future energy infrastructure to support long-term energy security, economic growth and the energy transition. You...Read More>>.

Highways and Transportation Principal Engineer We are recruiting for an experienced Highways and Transportation Principal Engineer to join a growing civil and environmental engineering consultancy with an expanding portfolio of highw...Read More>>.