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>>.

Principal Engineer - Support Engineering - Reliability-Centred Maintenance (RCM)Location: Barrow / Brough / FiltonContract: 12 months Headcount: 1 W...Read More>>.

Principal Engineer - Mechanical Engineering (Propulsor) Barrow in Furness Based (Hybrid working)£43 an hour PAYE OR £57.97 per hour Umbrella Inside IR3512 Month Contract initially. This is a grea...Read More>>.

Overview Founding engineer role in Pearson's Enterprise Innovation team, shaping early AI-driven innovation initiatives with internal and external partners. You lead design and delivery of advanced AI solutions, assess feasibility, and driv...Read More>>.

Overview As Principal Software Engineer, you will lead the design and delivery of governance-by-design platforms and libraries for secure, compliant identity solutions across the enterprise. You will drive AI-enabled, scalable patterns with...Read More>>.

Overview In this Principal Software Engineer role, you will lead high-impact engineering work for Accenture’s Software & Platform Engineering team in Manchester with ad hoc UK travel. You’ll steer client delivery, balancing hands-on tec...Read More>>.

Overview In this role you will provide technical leadership for shared software components across Elekta’s product portfolio. You will guide architectural direction, ensure secure and scalable solutions, and advance engineering practices....Read More>>.

Overview In this role you will lead technically challenging rail engineering assignments across the UK, shaping future rail infrastructure and electrification schemes. You will work with multi-disciplinary teams and clients to deliver proje...Read More>>.

Overview As an OLE Principal Engineer in the Rail North unit, you will lead the technical design and delivery of overhead line projects, ensuring quality, cost, and schedule targets are met. You’ll act as a technical lead, coordinating wi...Read More>>.

Overview As Principal Engineer, you’ll lead and apply expert geotechnical and tunnel design knowledge to complex European projects, guiding multidisciplinary teams and ensuring delivery with safety, quality and sustainability in mind. You...Read More>>.

Overview In this role you will lead civil and structural design for complex rail infrastructure, shaping major projects across London and Bristol. You will provide technical direction within multidisciplinary teams and ensure quality across...Read More>>.

Overview In this role, you will help design and usher a novel injectable drug-delivery device from concept to production. You will join a small, multidisciplinary team at a London HQ and work within ISO 13485 standards to deliver a next‑g...Read More>>.

nineDots.io is seeking a Principal Engineer to help define how the world decides what software can be trusted. You will tackle software supply chain trust, building systems to verify provenance, security, and governance across pipelines and artifa...Read More>>.

ABOUT US:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our cus...Read More>>.

About UsTÜV Rheinland Solutions Rail Division, Derby forms part of TÜV Rheinland’s wider technical and engineering capability serving the rail industry. Located in Derby, one of the UK’s principal railway centres, the division is...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>>.

Senior/Principal Software EngineerApplication Deadline: 30 October 2026Department: Software EngineeringEmployment Type: PermanentLocation: Cheltenham (Hybrid)Compensation:...Read More>>.

Job purpose As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right throug...Read More>>.

Marks & Spencer is seeking a passionate Principal Software Engineer to join the Customer Platform team, driving modernisation of mission-critical systems as we scale. You will collaborate with cross-functional teams to design, build, and maintain...Read More>>.

Job Purpose As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serves millions of loyal customers and thousands of colleagues! With ethical values that run right throug...Read More>>.

ZoomInfo is where careers accelerate. We move fast, think boldly, and empower you to do the best work of your life. You’ll be surrounded by teammates who care deeply, challenge each other, and celebrate wins. With tools that amplify your impact...Read More>>.

Roche is seeking a Software Engineer (Principal / Senior Principal) to lead the design and development of modern computational and data ecosystems enabling drug discovery. You will work across interactive tooling, scalable data platforms, and AI-p...Read More>>.

Shift Pattern:Standard 40 Hour Week (United Kingdom)Scheduled Weekly Hours:40Corporate Grade:C - Vice PresidentReporting Line:(UK Division) Information TechnologyLocation:UK-...Read More>>.

Want your engineering work to contribute to breakthroughs in cancer research, drug discovery and next-generation healthcare? I'm working with a mission-led technology company building advanced software, AI and automation platforms that help...Read More>>.

Principal Telecoms Engineer (Design) Location: York or Cumbernauld (other regional office can be considered including Warrington, Pontyclun, Swanley, Barnsley) Business Unit: Design & Engineering – Telecoms Design...Read More>>.

Electrical Technical Principal – HV Power TransmissionLocation: UKEmployment Type: Full-timeSalary: Competitive, dependent on experienceAbout the CompanyOur clien...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 your curi...Read More>>.

Aston University Engineering Academy (AUEA) invites applications for a Principal to lead the Academy in Birmingham. This permanent, full-time post sits on the Leadership Scale SL19-SL26 and offers a substantial salary package of £91,156 to £108,...Read More>>.

Not every software leadership role is about managing people and not every technical role gives you the chance to shape solutions, influence clients and still keep your hands on the technology.This is different!Here is an opportunity...Read More>>.

London Stock Exchange Group is seeking a Principal Engineer to architect, design, and operate secure, scalable enterprise platforms across on‑premises and AWS. You will lead development, deployment, and ongoing maintenance with a focus on reliab...Read More>>.

Cybersecurity Science & Analytics (CSA) is a team of cybersecurity scientists, data and analytics professionals and engineers. Our mission is to harness data, analytics, AI/ML and cybersecurity science to innovate and advance HSBC's cybersecurity...Read More>>.

A globally recognised exchange and clearing house at the centre of industrial metals trading. The business operates three trading platforms totalling $18 trillion in annual volume, 178 million lots and 4 billion tonnes, with significant global phy...Read More>>.

Jacobs in the United Kingdom is seeking a Principal Engineer - OHL to lead overhead line design across 132kV–400kV projects, developing detailed drawings and design documentation using PLS-CADD, AutoCAD and Microstation. You will oversee technic...Read More>>.

About Network Rail Join Network Rail – Where People and Connections Matter At Network Rail, we're dedicated to keeping passengers and freight moving safely and efficiently across the country. When you join us, you're not just p...Read More>>.

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufactur...Read More>>.

Principal Software Engineer (AI) Department: Tech - AI and Data Engineering Employment Type: Permanent - Full Time Location: Oxford, UK Description Please note that we are open to c...Read More>>.

Senior Principal Software Engineer Location: Leatherhead, UK Do you love solving complex technical challenges and inspiring others to deliver impactful solutions? This is a great job for someone who thrives in a dynamic e...Read More>>.

Job Title Senior Principal Software Engineer Reporting To Director, Eng. Sys. Def. & Integ. Work Schedule Hybrid – Tewkesbury, GBR About Moog Aircraft Group Moog Aircraft Group is a wor...Read More>>.

Job Summary: JOB DESCRIPTION –Principal Engineer I, Prepurchase Platform Location:London, UK Division:TicketmasterUK Limited LineManager:VP Engineering, Accounts, Identity and Pre-Purchase Contract Terms:F...Read More>>.

Tony Gee and Partners are seeking an experienced Associate or Principal Engineer who is authorised to act as Contractor Design Approval Engineer (CDAE) to strengthen our growing Transmission & Distribution capability.This is an exciting opp...Read More>>.

We're looking for a Principal Engineer (Mechanical) to join our Mechanical Assurance, Governance and Framework Support team based in Kier Water Division, national remit. Location: Kier Water Division, national remitHours:...Read More>>.

Roche in the United Kingdom is seeking a Principal/Senior Principal Software Engineer within the Computational Sciences Center of Excellence. You will design and build scalable, data-centric platforms that accelerate drug discovery, collaborating...Read More>>.

Our MissionAt Palo Alto Networks we’re united by a shared mission—to protect our digital way of life. We thrive at the intersection of innovation and impact, solving real-world problems with cutting-edge technology and bold thinking....Read More>>.