Overview In this role you will lead technical analyses and client engagements in the Thermal Sciences Practice, shaping failures investigations, risk mitigation, and product development. You’ll cultivate existing relationships, pursue new...Read More>>.

Overview As a Principal Infrastructure Engineer, you will lead drainage design projects across residential, commercial, and mixed-use developments, shaping technical direction and ensuring quality outcomes. You will work with clients, local...Read More>>.

Trusted by institutions, governments, foundations and individuals worldwide, Macquarie Asset Management manages more than A$700 billion in assets under management across infrastructure, real estate, credit, equities and multi-asset strategies. As...Read More>>.

Safran is an international high-technology group operating in the fields of aerospace (propulsion, equipment and interiors), space and defense. Its mission is to contribute sustainably to a safer world, where air transport becomes ever more enviro...Read More>>.

This job is with BAE Systems, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly.Job Title: Principal Engineer...Read More>>.

London Stock Exchange Group is seeking a Principal Engineer to be the most senior hands-on technical expert for the Risk Screening platform. You will partner with architecture, service, product, and engineering teams to ensure designs are implemen...Read More>>.

Join us to shape the future of electronic trading technology, where your expertise in C++ and hardware acceleration will make a global impact. You’ll collaborate with talented engineers to deliver market-leading solutions that power high-speed t...Read More>>.

Palo Alto Networks is seeking a Principal Software Engineer to lead end-to-end delivery of next-generation cloud security solutions. You will design, implement, and troubleshoot high-scale distributed systems and collaborate with cross-functional...Read More>>.

London About Us The Financial Times is one of the world’s leading news organisations, globally recognised for its authority, integrity and accuracy, with a mission to deliver quality information and services worldwide. At...Read More>>.

Abcam, a Danaher operating company, seeks a Senior Director of Digital Technology to lead engineering efforts from the Cambridge, UK site. You will oversee internal and partner development work, ensure standards and security, and drive rapid, reli...Read More>>.

Principal Engineer – Member Experience Platform (App, Portal & Identity) The Member Experience Platform (MEP) powers Skipton’s most visible digital channels, our Mobile App, Member Portal, and Customer Identity capabilities, used by o...Read More>>.

Agentic Engineering is seeking a Principal Software Engineer to lead AI-driven modernisation of complex legacy systems. You will shape the engineering harness and governance around AI agents, work across architecture and developer experience, and...Read More>>.

The Digital Experience Platform (DEP) powers Skipton's public websites and our Design System. Our websites and digital journeys serve our members, prospects, customers and brokers through millions of visits each month. Our Design System provides c...Read More>>.

About Commercetools Real innovation starts with a strong foundation, and at commercetools, that comes from the perfect balance of our product and our people. Behind every leap forward is a collective of builders, explorers, doers, makers,...Read More>>.

Arm Limited's Game & Graphics Technology Integration (GTI) team is seeking a Principal Software Engineer to provide technical leadership across game engines, graphics, and performance. This role blends hands-on engineering with architecture, mento...Read More>>.

Job Description As a Principal Fire Engineer, you’ll typically be working on a variety of projects at once from a University in Scotland to a high‑rise residential tower in London, with plenty of international projects. All with th...Read More>>.

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>>.

What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace y...Read More>>.

What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace y...Read More>>.

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Principal Software Engineer (Platforms)Department: EngineeringEmployment Type: Permanent - Full TimeLocation: Bristol, UKReporting To: Stephen PopeDescriptionWe're building the UK's next generation...Read More>>.

Your ImpactAs a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software across Leonardo's defence and security programmes. You will help shape and evolve our enter...Read More>>.

Principal Software Engineer (DevSecOps) - Salary Range: £54,000 - £70,000Your ImpactAs a Principal Software Engineer (DevSecOps), you will play a key role in accelerating the delivery of secure, high-quality software ac...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>>.

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>>.

SYSTRA UK & Ireland is seeking a Principal Engineer (Physical Security) to lead strategic security capability in the Systems Engineering & Assurance discipline. You will define security governance, risk assessments and secure-by-design approaches...Read More>>.

SYSTRA UK & Ireland in Manchester is hiring a Principal Engineer in water engineering to lead SuDS design delivery across projects for United Utilities. The role requires strong technical leadership, cross-disciplinary collaboration, and a deep un...Read More>>.

Role Description We have an enviable reputation in the delivery of some of the UK’s most prestigious and challenging schemes and we continue to add to this portfolio, with projects such as Washwood Heath Depot for HS2, Metrowest Phas...Read More>>.

Manchester BakerHicks has experienced significant growth within the Transmission & Distributionsector over the last decade, securing and delivering major infrastructure projects across the UK. As our project portfolio conti...Read More>>.

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

AtkinsRéalis in the UK rail sector seeks a Principal Engineer in our OLE First Principles team to lead design work from basic principles, producing checks and calculations while guiding a multi-disciplinary group.You will shape high-profil...Read More>>.

Palo Alto Networks is seeking a senior software engineer to join the Cortex Platform team. You will work with DevOps, application teams, QA and leadership to design and drive backend and platform changes with real impact across the Cortex ecosyste...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>>.

TPXimpact is seeking a Principal Software Engineer to shape the technical direction of high-profile projects and lead delivery of modern, scalable software. You will mentor engineers across teams, line-manage a group, and collaborate with senior s...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 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>>.

Kier Group plc is seeking a Principal Engineer to lead civil, structural and geotechnical projects across the UK. The role covers temporary works design and management, multi-disciplinary collaboration, and delivering safe, buildable solutions fro...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>>.

Swansea, United Kingdom | Posted on 30/09/2026 Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has posi...Read More>>.

Scrumconnect Consulting in Swansea, UK, is seeking a Lead Software Developer to design, build, and maintain high-quality software for UK government clients, delivering value for citizens and the public sector. You will work in a multidisciplinary...Read More>>.

Kier Group plc is seeking a Principal Engineer to lead the delivery of civil, structural and geotechnical engineering services across multiple UK locations. Flexible working includes up to 1–2 days from home.The role offers senior enginee...Read More>>.

Kier Group plc is seeking a Principal Engineer to join our team, delivering civil, structural and geotechnical engineering across the UK. Roles are available in multiple locations including Cambridge, with agile working and up to 1-2 days per week...Read More>>.

About Scrumconnect ConsultingScrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influence...Read More>>.

Linxon is seeking a Principal Engineer to lead HV substation design and turnkey project work across Middleton, London and Chelmsford. You will coordinate across disciplines, support budgets, and ensure on-time delivery within a turnkey HV GIS/AIS...Read More>>.

Base Location:For this role, we require successful applicants to be based from one of our Scottish locations – Perth, Glasgow, Aberdeen or Inverness and you'll be expected to spend 50% of your working week in the officeSalary:...Read More>>.

Principal Engineering Manager – New Build Delivery LeadLocation: located between Reading and Basingstoke, with free onsite parking.Package: £70,000 to £100,000 (depending on your suitability, qualifications, and level of exp...Read More>>.

Principal Engineer - Facades / External Walls Edinburgh, Scotland, United Kingdom; Glasgow, Scotland, United Kingdom Company Overview Throughout our worldwide network of experts, clients and communities, we are renowned...Read More>>.