Principal Product Manager

Company IconUnlikelyAI
Location IconLondon

At UnlikelyAI, we are building the future of AI: one that is reliable, accurate and transparent. Our neurosymbolic technology harnesses the power of LLMs and generative AI, and combines it with classical symbolic technology to produce hallucina...Read More>>.

Posted: April 17th, 2026
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Principal Project Manager

Company IconGCHQ
Location IconCheltenham

This job is brought to you by Jobs/Redefined, the UK's leading over‑50s age inclusive jobs board. Flexible working: We support a range of flexible working arrangements, including part time hours, compressed working patterns, and...Read More>>.

Posted: April 17th, 2026
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Principal Data Engineer

Company IconBlack Duck
Location IconBelfast

Black Duck Software, Inc. helps organizations build secure, high-quality software, minimizing risks while maximizing speed and productivity. Black Duck, a recognized pioneer in application security, provides SAST, SCA, and DAST solutions that e...Read More>>.

Posted: April 17th, 2026
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Principal Data Engineer

Company IconWRK digital
Location IconLeeds

WRK digital is excited to be partnering exclusively with a high-profile, UK-leading organisation, currently shortlisting for a Principal Data Engineer on a permanent basis.This role sits at the heart of a cloud-first data strategy, helpi...Read More>>.

Posted: April 17th, 2026
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Principal Geotechnical Engineer

Company IconHaskoning
Location IconLiverpool

Join to apply for the Principal Geotechnical Engineer role at Haskoning About Haskoning:At Haskoning, you will join an independent, employee-owned international consultancy that combines engineering, design, and consul...Read More>>.

Posted: April 17th, 2026
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Principal Geotechnical / Geoenvironmental Engineer

Company Icon
Location IconNorthampton

Principal Geotechnical / Geoenvironmental Engineer sought at this established and successful SME Ground Investigation Company. The role is based in Towcester. Overview Our client is a leading provider of pragmatic and cost-effec...Read More>>.

Posted: April 17th, 2026
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Principal Fire Engineer

Company IconARCADIS
Location IconWales

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone ha...Read More>>.

Posted: April 17th, 2026
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Principal Thermal Engineer

Company IconLeonardo
Location IconBasildon

Overview Your impact You’ll work at the heart of multidisciplinary project teams, advising on thermal performance and ensuring our products meet demanding environmental and operational requirements. This role is ideal for someone wit...Read More>>.

Posted: April 17th, 2026
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Principal Ecologist

Company IconLanduse
Location IconGlasgow

Principal Ecological Consultant – ScotlandLUC’s ecology team is passionate about creating opportunities for wildlife and people to thrive together. We require a Principal Ecological Consultant to join our thriving team in Scotland...Read More>>.

Posted: April 17th, 2026
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Principal Safety Engineer

Company IconLeonardo
Location IconLuton

Job Description Join us in helping to design and deliver safe, reliable systems that operate in some of the most complex engineering environments. As a Principal Safety Engineer, you’ll play a key role in ensuring our products meet t...Read More>>.

Posted: April 17th, 2026
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Principal Coastal Engineer

Company IconAtkinsRéalis
Location IconEpsom

Overview Shape the Future of our cities and environments. Are you a Coastal Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projec...Read More>>.

Posted: April 17th, 2026
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Senior / Principal Structural Engineer

Company Icon
Location IconEast Midlands

Senior / Principal Structural Engineer Take a leading role, on exciting and diverse projects at this supportive and established SME Multidisciplinary Consultancy. The role is based in Derby. Overview Our client is a pro...Read More>>.

Posted: April 17th, 2026
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Principal Civil Engineer

Company IconBakerHicks
Location IconManchester

Reporting to the Associate Director/Associate Engineer, you will lead large Civil project teams or oversee multiple smaller teams to achieve overall business objectives. This role requires strong leadership and technical expertise to ensure the...Read More>>.

Posted: April 17th, 2026
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Principal Maritime Engineer

Company IconHaskoning
Location IconGlasgow

At Haskoning, you will join an independent, employee‑owned international consultancy combining engineering, design, and consultancy services with software and technology. Our mission, Enhancing Society Together, drives us to create positive a...Read More>>.

Posted: April 17th, 2026
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Principal Chartered Structural Engineer

Company Icon
Location IconWigan

WIGAN Principal Chartered Structural Engineer sought at this leading and expanding SME Multidisciplinary Consultancy. The role is based in Wigan. Overview Our client is a well-established, multidisciplinary...Read More>>.

Posted: April 17th, 2026
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Principal Platform Engineer

Company IconThe Very Group
Location IconLiverpool

About UsWe're the team behind digital retailer Very.The RoleAs a Principal Platform Engineer, you'll play a critical role in shaping, evolving and supporting the core platforms that underpin our engineering ecosy...Read More>>.

Posted: April 17th, 2026
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Senior/Principal Hydro-ecologist

Company IconBinnies
Location IconBradford on Avon

Overview Binnies is a leading environmental consultancy looking to grow our water and catchment capabilities to support teams in delivering water projects across the UK. We work across the UK, delivering high‑impact projects in the w...Read More>>.

Posted: April 17th, 2026
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Principal Lighting Engineer

Company IconWSP
Location IconLeeds

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 cur...Read More>>.

Posted: April 17th, 2026
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Principal Civil Engineer

Company IconMacStaff
Location IconLiss

You will like Leading in civils at Fareham/Portsmouth HQ for award-winning Civil Engineering, Structural Engineering and Transport Planning consultancy. They are trusted advisors on a multitude of projects at various stages in t...Read More>>.

Posted: April 17th, 2026
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Principal Platform Engineer

Company IconVery Group
Location IconLiverpool

About us. We’re the team behind digital retailer Very. Our purpose, helping families get more out of life, powers everything we do. And we want our people to get more out of life too! If you’re high-performing, ambiti...Read More>>.

Posted: April 17th, 2026
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Principal Structural Engineer

Company IconAtkinsRéalis
Location IconEpsom

Overview Take our vision into the 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...Read More>>.

Posted: April 17th, 2026
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Principal Java Engineer

Company IconOcho People
Location IconBelfast

Principal Java Engineer Belfast city centre, hybrid (3 days onsite) Up to £90,000 salary We are working with a scaling cybersecurity engineering team led by one of Northern Ireland's most respected technical archite...Read More>>.

Posted: April 17th, 2026
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Senior / Principal Planner

Company IconPipeguild
Location IconLeatherhead

Senior / Principal Planner page is loaded## Senior / Principal Plannerlocations: Leatherheadtime type: Full timeposted on: Posted 30+ Days Agojob requisition id: JR1601At Dalcour Maclaren, we're key players in the Utilities and Infrastructure...Read More>>.

Posted: April 17th, 2026
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Principal Sourcing Manager

Company IconWaters Corporation
Location IconWilmslow

Overview We are seeking an experienced and highly motivated Principal Indirect Sourcing Manager to join our growing team, reporting to the Director, Indirect Procurement. The ideal candidate will have deep experience in managing...Read More>>.

Posted: April 17th, 2026
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Principal Planner

Company IconPipeguild
Location IconBristol

Principal Planner page is loaded## Principal Plannerlocations: Bristoltime type: Full timeposted on: Posted 30+ Days Agojob requisition id: JR1709At Dalcour Maclaren, we're key players in the Utilities and Infrastructure industry, bringing th...Read More>>.

Posted: April 17th, 2026
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ABF Product Principal

Company IconAthene
Location IconLondon

ABF Product Principal page is loaded## ABF Product Principallocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: R260172**Position Overview**The Firm is seeking a Principal, Product Management, to he...Read More>>.

Posted: April 17th, 2026
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Principal Transport Planner

Company IconAMEY
Location IconManchester

Principal Transport Planner Amey are a leading provider of full life-cycle engineering, operations and decarbonisation solutions, for transport infrastructure and complex facilities. Working for us, you’ll be delivering sustai...Read More>>.

Posted: April 17th, 2026
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Principal Transport Planner

Company IconStantec
Location IconReading

Overview The Opportunity Are you a Transport Planner looking for your next challenge? We are on the hunt for someone to join our busy Transport Planning team in Reading. We currently have an opportunity for a Principal...Read More>>.

Posted: April 17th, 2026
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Principal Audio Programmer

Company IconFrontier Developments
Location IconCambridge

Frontier is an independent video game developer and publisher, crafting immersive gaming experiences with fun gameplay and unparalleled artistic quality. Renowned for its iconic creative management simulation games, Frontier captivates...Read More>>.

Posted: April 17th, 2026
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Principal Metallurgist

Company IconSLR Consulting
Location IconBaldhu

We have an opportunity for a Principal Metallurgist, who will be a technical leader responsible for the design, management, and delivery of complex metallurgical test programs within a mineral processing laboratory environment. This role combin...Read More>>.

Posted: April 19th, 2026
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Principal Product Manager

Company IconMintel
Location IconLondon

# Principal Product Manager* London, United KingdomJoin Mintel and help shape the future of global consumer insights. We’re looking for a **Principal Product Manager** to join our growing Product leadership team — someone who can blend visionary...Read More>>.

Posted: April 19th, 2026
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Senior / Principal Hydrogeologist | Energy

Company IconStantec
Location IconNewcastle upon Tyne

The Opportunity We have an exciting opportunity for a skilled, enthusiastic Senior or Principal Hydrogeologist to join our Energy group and the wider hydrogeology team within Stantec. This position will require you to work within multi...Read More>>.

Posted: April 22nd, 2026
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Principal Structural Engineer

Company IconARCADIS
Location IconLeeds

Role description We are excited to be growing our Structural Engineering team within the Places Design Practice. We are looking for a Principal Structural Engineer based in the UK with a strong technical background and experience in le...Read More>>.

Posted: April 23rd, 2026
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Principal Systems Engineer

Company IconSynoptix
Location IconBristol

Principal Systems Engineer As a Principal Systems Engineer at Synoptix you will help guide the scope and direction of the engineering projects you are working on. In this agile environment the principal engineer is given the relative f...Read More>>.

Posted: April 25th, 2026
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Principal Fire Engineer

Company IconSUEZ
Location IconWest Sleekburn

What will I be doing? Establish minimum standard Fire Risk Assessments (FRA) ensuring they are carried out in accordance with the Regulatory Reform Order 2005, and Fire Prevention Plan guidance. Lead on setting internal...Read More>>.

Posted: April 25th, 2026
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Principal Manufacturing Engineer

Company IconMBDA
Location IconHenlow

An exciting new opportunity has become available within Manufacturing Engineering Henlow for a Principal Manufacturing Engineer to join the team. Salary: Circa £47,000 depending on experience Dynamic (hybrid) working...Read More>>.

Posted: April 25th, 2026
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Principal Data Engineer

Company IconCompare the Market
Location IconPeterborough

Curious about what’s next? So are we. Join Compare the Market and help to make financial decision making a breeze for millions. Job Description Principal Data Engineer Function: Data / Technology Locatio...Read More>>.

Posted: April 27th, 2026
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Principal Data Engineer

Company IconRoyal London
Location IconAlderley Edge

Location: Alderley Park, Wilmslow (Edinburgh and Glasgow also considered) Working Style: Hybrid-50% from home / 50% office based About Royal London We’re the UK’s largest mutual life, pensions and investment company, of...Read More>>.

Posted: April 27th, 2026
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Principal Highways Engineer

Company IconRamboll
Location IconChester

Principal Highways Engineer Elevate your career in highways design. As a Principal Highways Engineer within Ramboll’s Highways team, you will lead preliminary and detailed design stages for multiple highway projects, delivering them...Read More>>.

Posted: May 4th, 2026
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Principal Property Lawyer

Company IconAllen Lane
Location IconManchester

EXCITING SENIOR LOCUM OPENING FOR A PRINCIPAL PROPERTY LAWYER LOCAL AUTHORITY Greater Manchester Salary £50 per hour (Inside IR35) Duration Long-term locum role - Until 31 October 2026, possi...Read More>>.

Posted: May 4th, 2026
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Principal EIA Consultant

Company IconWSP
Location IconManchester

Manchester, Greater Manchester, United KingdomNewcastle Upon Tyne, Tyne and Wear, United KingdomLeeds, West Yorkshire, United KingdomJob DescriptionWhat if you could shape a career as unique as you?A...Read More>>.

Posted: May 5th, 2026
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Principal Marketing Analyst

Company IconRival
Location IconLondon

We believe it takes great people to create a great product. That’s why our team lives our company values, and we hire based on them, too. Since 2010, Pipedrive has been on a mission to support sales and marketing teams with easy‑to‑use, p...Read More>>.

Posted: May 6th, 2026
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Principal Ecologist

Company IconStantec
Location IconReading

Opportunity We are seeking a highly motivated, passionate, and experienced Principal Ecologist to join our UK–wide Ecology team at Stantec. This exciting role offers the chance to collaborate with multidisciplinary teams, support exi...Read More>>.

Posted: May 6th, 2026
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Principal Product Manager

Company IconRival
Location IconLondon

We believe it takes great people to create a great product. That’s why our team lives our company values, and we hire based on them, too. Since 2010, Pipedrive has been on a mission to support sales and marketing teams with easy-to-use, power...Read More>>.

Posted: May 6th, 2026
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Principal Solutions Architect

Company IconAmentum
Location IconManchester

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and su...Read More>>.

Posted: May 7th, 2026
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Principal Java Architect

Company IconLSEG
Location IconLondon

LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider, dedicated to delivering services that support the stability and growth of financial communities worldwide. Role Summary R...Read More>>.

Posted: May 7th, 2026
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Principal EIA Consultant

Company IconArcadis
Location IconCambridge

Arcadis is the world\'s leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone h...Read More>>.

Posted: May 7th, 2026
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Principal Integration Architect

Company IconCAPGEMINI
Location IconLondon

About the job you're considering We specialise in agile software development and integration at an enterprise scale. Our capabilities cover a wide variety of Integration, Open Source, Microsoft and proprietary technologies. We are seek...Read More>>.

Posted: May 7th, 2026
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Principal Mechanical Engineer

Company IconAECOM
Location IconGlasgow

**Company Description** **Work with Us. Change the World.** At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and c...Read More>>.

Posted: May 1st, 2026
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Principal EIA Consultant

Company IconAECOM
Location IconCardiff

**Company Description** **Work with Us. Change the World.** At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and c...Read More>>.

Posted: May 4th, 2026
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