Principal Mechanical Engineer - Consultancy

Company IconJohnson BIM
Location IconManchester

BIM EXCELLENCE : INNOVATION CENTRIC Deliver class leading BIM excellence with this award-winning multi-disciplinary team working on a wide range of large-scale, challenging, reference BIM projects. Overview...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer

Company IconVeolia | UK
Location IconCity of Edinburgh

Join to apply for the Senior Process Engineer role at Veolia | UK. Salary: Competitive Salary plus bonus, pension, car allowance and other Veolia benefits. Location: Central Scotland, flexible and hybri...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Water Industry

Company IconAECOM
Location IconLondon

Principal Mechanical Engineer - Water IndustryPrincipal Mechanical Engineer - Water Industry6 days ago Be among the first 25 applicantsCompany DescriptionWork with Us. Change the World....Read More>>.

Posted: June 6th, 2026
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Senior/Principal Platform Systems Mechanical Engineer

Company IconTieTalent
Location IconGrange over Sands

Senior/Principal Platform Systems Mechanical EngineerJoin or sign in to find your next jobJoin to apply for the Senior/Principal Platform Systems Mechanical Engineer role at TieTalent...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer: Lead Design & Manufacturing

Company IconXylem
Location IconCambridge

A leading water technology company seeks a Principal Mechanical Engineer in Cambridge. You will lead a mechanical engineering team, make key technical decisions, and mentor junior engineers. This role involves hands-on engineering, project leadership...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Water Infrastructure (Hybrid)

Company IconAECOM
Location IconGlasgow

AECOM in Glasgow is looking for a Principal Mechanical Engineer to join their dynamic Water Team. You will prepare designs and support all aspects of mechanical engineering for significant projects such as the transformational Scottish Water SR27 ini...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconStantec Consulting International Ltd.
Location IconGlasgow

Here at Stantec we’re recruiting for a Principal Mechanical Engineer to join our dynamic and growing Building Services (MEP) team based in Scotland.Our MEP team is at the forefront of sustainable and high-performan...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer – Water Infrastructure Leader

Company IconAECOM
Location IconBasingstoke

A leading infrastructure consulting firm is seeking a Principal Mechanical Engineer to join the Water Solutions team. You will focus on delivering major water utility investment programmes, collaborating with multidisciplinary teams to create sustain...Read More>>.

Posted: June 6th, 2026
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Mechanical Design Engineer

Company IconHuman Capital Solutions UK
Location IconLondon

OverviewMechanical Design Engineer – To £48KGreat culture, as much autonomy as you want, and a friendly, supportive boss.Due to securing several high-rise mixed-use developments in London, this multi...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer

Company IconBennett & Game Recruitment Limited
Location IconLiverpool

Senior Process Engineer required for a manufacturer of Pharmaceutical Equipment based in Liverpool. The Senior Process Engineer will have expertise in powder handling, sterilization (SIP), aseptic manufacturing, filtration, pressure vessel safety,...Read More>>.

Posted: June 6th, 2026
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Lead Mechanical Engineer - Nuclear & Regulated Projects

Company IconASSYSTEM
Location IconWhitehaven

An international engineering firm located in Whitehaven is seeking a qualified engineer to support engineering activities and mentor senior staff. This role requires high technical competency, excellent documentation skills, and strong stakeholder ma...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconPAE Government Services Inc.
Location IconWarrington

About the OpportunityWe are recruiting a Principal Mechanical Engineer to join our Energy business, supporting a key client’s UK nuclear fleet and new small modular reactor developers. This role will be based at one of our Energy off...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer, Waste & Energy Systems

Company IconStantec
Location IconNewcastle upon Tyne

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join their Energy & Resources team. You will work on a variety of projects including waste and generation projects, ensuring designs meet technical and safety s...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Critical Systems

Company IconRamboll
Location IconManchester

Company Description Ramboll is ranked a Top 10 consultant in the UK and has around 2,000 bright minds working across multiple offices to apply their passion to deliver innovative solutions across Buildings, Transport, Environment & Hea...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconVertical Recruitment
Location IconManchester

Senior / Principal Mechanical Engineer – Building Services Consultancy We are working exclusively with a respected multi‑disciplinary consultancy to appoint a Senior / Principal Mechanical Engineer to their South Manchester or city...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer – Turbines

Company IconASSYSTEM
Location IconGloucester

Job Description Hybrid role, 2‑3 days in the Gloucester office. You will support turbine system engineering activities across operational nuclear power plant assets. The role focuses on technical oversight, performance analysi...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconIsaac Gracie
Location IconWhitburn

A well-established engineering business is looking to appoint a Senior Mechanical Engineer to support the design, development and delivery of technically complex engineered systems and equipment. This is a hands‑on engineering role tha...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconWaterman Group
Location IconManchester

We are seeking an experienced and motivated Senior Mechanical Engineer to join our Building Services team in Manchester. This is a key role within the team, focused on delivering high-quality mechanical design solutions across a diverse portfol...Read More>>.

Posted: June 6th, 2026
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Nuclear Manufacturing Engineer – Process Optimization

Company IconASSYSTEM
Location IconEast Midlands

ASSYSTEM is looking for a Manufacturing Engineer in Derby to enhance manufacturing efficiency and compliance with safety standards. Responsibilities include analyzing processes, developing quality control measures, and designing new tools. Ideal cand...Read More>>.

Posted: June 6th, 2026
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SC-Cleared Nuclear Manufacturing Engineer

Company IconASSYSTEM
Location IconSunderland

ASSYSTEM is seeking a Manufacturing Engineer to join their team. The role involves supporting clients in delivering high-quality engineered products across various manufacturing processes. Candidates should have strong backgrounds in Metallurgy and M...Read More>>.

Posted: June 6th, 2026
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Principal/Associate Mechanical Engineer - Operational Assets

Company IconCibsejournal
Location IconBirmingham

Client: The client is a human-centric and planet-conscious engineering consultancy, delivering intelligent and sustainable solutions to complex design challenges across the built environment, throughout the UK and internationally....Read More>>.

Posted: June 13th, 2026
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Principal Mechanical Engineer

Company IconBlack & White Engineering
Location IconLondon

You’ve built your career on solving complex engineering challenges — not just with technical expertise, but with clarity, leadership, and purpose. You’re the person others turn to when projects need direction, when clients need con...Read More>>.

Posted: June 13th, 2026
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Principal Mechanical Engineer, Water Infrastructure (Hybrid)

Company IconAECO
Location IconCardiff

AECO is seeking a Principal Mechanical Engineer to join their water sector team in Cardiff and Bristol. This role involves delivering major capital programmes and working across various projects in the water industry.The successful candidat...Read More>>.

Posted: June 14th, 2026
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Lead Mechanical Design Engineer for Innovative Products

Company IconPrime-Appointments
Location IconNewmarket

Prime-Appointments is seeking a Senior Mechanical Design Engineer in Newmarket to lead innovative product development projects. This fixed-term contract role involves overseeing the design and production of new products, driving technical projects...Read More>>.

Posted: June 14th, 2026
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Senior Principal Mechanical Engineer

Company IconAssystem
Location IconBolton

Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakeholders in the execution of complex and strategi...Read More>>.

Posted: June 15th, 2026
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Principal Mechanical Engineer: Naval Refits Lead

Company IconweServed
Location IconPlymouth

weServed is looking for a Principal Mechanical Engineer based in Plymouth, with hybrid working arrangements. You will lead a team in the design and delivery of bespoke mechanical equipment, impacting engineering excellence.Ideal candidates...Read More>>.

Posted: June 16th, 2026
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Senior Mechanical Engineer - Nuclear Decommissioning (Hybrid)

Company IconweServed
Location IconEgremont

weServed is seeking a Principal Mechanical Engineer to lead multidisciplinary engineering teams in the nuclear decommissioning sector. This pivotal role involves overseeing high-integrity technical outputs and championing engineering best practice...Read More>>.

Posted: June 25th, 2026
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Principal Mechanical Engineer - Equipment & Technology

Company IconHR Wallingford
Location IconWallingford

Principal Mechanical Engineer - Equipment & TechnologyWallingford, UKAt HR Wallingford, we design smart, resilient solutions across the natural and built environments to help everyone live and work more sustainably with water. B...Read More>>.

Posted: June 25th, 2026
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Defence Product Development Chemical Engineer

Company IconMatchtech
Location IconNew Inn

BAE Systems is seeking a highly skilled Chemical Engineer to join their team in Glascoed, United Kingdom. This role involves supporting product design and systems engineering activities while ensuring safety standards are maintained. You will be i...Read More>>.

Posted: June 19th, 2026
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Senior Mechanical Engineer, Cambridge

Company IconMechanicaldesigndirectory
Location IconCambridge

To work within multi-disciplinary teams on major development projects, applying your engineering abilities to implement sophisticated technologies into new products. This is an excellent opportunity for an engineer with the ambition and...Read More>>.

Posted: June 20th, 2026
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Principal Mechanical Engineer

Company IconRedline Group Ltd
Location IconCambridge

Principal Mechanical Engineer Location: Cambridge, UK - Hybrid (Office-Focused) An opportunity has arisen for a Principal Mechanical Engineer to join a specialist product design and engineering consultancy operating within the m...Read More>>.

Posted: June 21st, 2026
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Principal Mechanical Engineer

Company IconUltra Maritime
Location IconLondon

Ultra Maritime is a global leader in advanced maritime defence solutions, delivering technologies that protect lives, secure nations, and enable a safer, more sustainable world. Key Responsibilities Define and manage mecha...Read More>>.

Posted: June 23rd, 2026
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Senior Mechanical Engineer

Company IconCaterpillar Inc.
Location IconPeterborough

Senior Mechanical Engineer Location: Peterborough Salary: £57,700 + depending on experience Hiring Manager: Naga Inukollu Benefits 25 days annual leave Up to 12% bonus Contributory...Read More>>.

Posted: June 23rd, 2026
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Senior Mechanical Engineer

Company IconAtkinsRéalis
Location IconBristol

Overview Are you inspired by the opportunity to contribute to fast-paced, complex projects at the forefront of the nuclear industry? If so, this is your chance to help shape the future of nuclear with purpose and impact. About...Read More>>.

Posted: June 23rd, 2026
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Head of Grid, Electrical & Mechanical Engineering

Company IconSSE Renewables
Location IconReading

Base Location You'll be expected to spend 50% of your working week in one of the following locations: Perth, Glasgow, Aberdeen, Reading, Havant, Dublin, Belfast while other SSER locations can be considered. Salary £Com...Read More>>.

Posted: June 24th, 2026
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Principal Mechanical Engineer - Water Infrastructure Leader

Company IconSTANTEC
Location IconBirmingham

STANTEC is searching for a Principal Mechanical Engineer in the Birmingham area to lead mechanical design for infrastructure projects. This role involves managing the full project life cycle and mentoring junior engineers, reflecting Stantec's com...Read More>>.

Posted: June 24th, 2026
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Mechanical Engineering Manager – Campus Maintenance & Projects

Company IconDunhillmedical
Location IconSheffield

Dunhillmedical is seeking a Mechanical Engineering Manager based in Sheffield. This role requires oversight of mechanical engineering operations to ensure effective maintenance across the university estate. You’ll manage a team, prioritize maint...Read More>>.

Posted: June 24th, 2026
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Nuclear Systems Lead - Principal Mechanical Engineer

Company IconAECOM
Location IconWarrington

AECOM is seeking a Principal Mechanical Engineer in Warrington to lead engineering projects with emphasis on design and compliance. You will be responsible for managing a team while ensuring project delivery meets AECOM’s quality and safety stan...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Design Engineer - Hybrid, Lead Projects

Company IconCibsejournal
Location IconManchester

Cibsejournal is seeking a Senior Mechanical Design Engineer in Greater Manchester for a hybrid role. You will lead mechanical design projects and mentor junior engineers while ensuring designs meet performance requirements. The ideal candidate has...Read More>>.

Posted: June 24th, 2026
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Principal Process Engineer - @One Alliance

Company IconMOTT MACDONALD
Location IconPeterborough

Mott MacDonald Bentley are recruiting for a Principal Process Engineer to join the Anglian Water @One Alliance. As part of Anglian Water's @one Alliance, we are on a mission to create a sustainable and resilient future for water. With an ambiti...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer – Nuclear Projects (Hybrid)

Company IconAECOM
Location IconWarrington

AECOM is seeking a Senior Mechanical Engineer to join their dynamic Nuclear team in Warrington. This role involves overseeing engineering designs and leading projects in a tightly regulated environment. Ideal candidates will have a Bachelor's degr...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer

Company IconAdvantage Resourcing UK Ltd
Location IconEast Midlands

Tooling Designer Derby Full Time The Opportunity Our client is undergoing a period of significant growth. As a result of an increased workload across our key accounts, they are expanding their De...Read More>>.

Posted: June 24th, 2026
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Senior Design & Process Engineer (56205)

Company Iconbinx health
Location IconTrowbridge

Senior Design and Process Engineer binx health is proud to be an Equal Opportunity Employer, committed to equal employment opportunity and fair, equitable compensation regardless of race, colour, religion, sex, sexual orientation, gend...Read More>>.

Posted: June 24th, 2026
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Senior Product Engineer (up to £140k)

Company IconDex
Location IconLondon

The role The fashion industry is broken. Billions of garments end up in landfill, not because they're unwanted, but because the supply chain for secondhand goods is offline and inefficient. We're building the AI‑powered infrastructur...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer - Southern England

Company IconMOTT MACDONALD
Location IconCambridge

Location Reading, London, Croydon, Brighton, Cambridge, Southampton, UK Recruiter contact Aoife Cullen Overview of the role Our Water Consultancy Division has ambitious growth plans in line with AMP8 inv...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer — Building Services Lead

Company IconCibsejournal
Location IconCroydon

Cibsejournal is hiring a Senior Mechanical Engineer in Croydon to lead mechanical services design and delivery across various projects. The successful candidate will provide technical expertise, manage projects, and mentor junior engineers....Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer – Motorsport Systems

Company IconTuthill Porsche
Location IconWardington

Tuthill Porsche in Oxfordshire is seeking a Senior Mechanical Engineer to join their Engineering team. You will lead the design of mechanical systems and ensure project delivery meets specifications and deadlines.The ideal candidate will ha...Read More>>.

Posted: June 24th, 2026
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Lead Process Engineer, Water & Sustainability

Company IconMOTT MACDONALD
Location IconPeterborough

MOTT MACDONALD is seeking a Principal Process Engineer to join the Anglian Water @One Alliance in Peterborough. You will provide technical leadership for process engineers, ensuring deliverables meet all standards and project outcomes.The i...Read More>>.

Posted: June 24th, 2026
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Associate Director Mechanical Engineer

Company IconAtkins Global
Location IconBelfast

OverviewShape the Future of our cities and environments.AreyouaMechanical Engineerwho is passionate about making the world a better place?Are you ready totake up a vital role in some of the UKsmost exciting and inno...Read More>>.

Posted: June 9th, 2026
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