Principal Mechanical Engineer - Lead Building Services Delivery

Company IconTetra Tech Europe
Location IconBelfast

A leading engineering consultancy in Belfast is looking for a Mechanical Building Services Engineer to manage design and delivery of engineering solutions across various sectors. Your role involves overseeing projects from conception to commissioning...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer - Enzymatic Recycling & Scale-Up

Company IconEpoch Biodesign
Location IconLondon

A leading sustainability-focused biotech firm is seeking a Senior Process Engineer to innovate and scale up enzymatic plastic recycling processes. In this role, you will manage projects from lab to pilot scale, overcome technical challenges, and ment...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Waste & Generation (Energy)

Company IconStantec Consulting International Ltd.
Location IconBirmingham

Introduction The Energy Transition is the fundamental shift underway in how we, as a global community, produce, distribute, and consume energy, with the overarching goal of transitioning to a lower carbon future. Will you be par...Read More>>.

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

Company IconStantec Consulting International Ltd.
Location IconManchester

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join their Energy & Resources team. This role involves working on diverse energy projects such as EfW plants and hydrogen generation, overseeing project life cy...Read More>>.

Posted: June 6th, 2026
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Water Sector Principal Mechanical Engineer - Lead Projects

Company IconMatchtech
Location IconWest Midlands

A leading engineering recruitment firm is seeking a Principal Mechanical Engineer to join their team. You will lead design delivery for critical infrastructure projects in the water sector, ensuring high-quality standards and effective management of...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Building Services (Hybrid)

Company IconWSP in the UK & Ireland
Location IconLondon

A leading engineering firm in Greater London seeks a Principal Mechanical Engineer to lead prestigious projects in mechanical, electrical, and public health disciplines. The role involves supervising design teams, managing client relationships, and e...Read More>>.

Posted: June 6th, 2026
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Lead Mechanical Engineer for Defence Refit & Innovation

Company IconBabcock International
Location IconWest Devon

Babcock International is seeking a Principal Mechanical Engineer in Plymouth, Devon, with a starting salary from £61,474. This full-time role includes hybrid working arrangements. Responsibilities include leading a team in designing mechanical handl...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer – Asset Performance & Net-Zero

Company IconBeeby Anderson Recruitment
Location IconBirmingham

A human-centric engineering consultancy in Birmingham is seeking a Principal/Associate Mechanical Engineer to lead the Operational Assets team. The successful candidate will drive sustainable solutions, oversee project delivery, and foster client rel...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Mission-Critical Systems Hybrid

Company IconEnergi People
Location IconLondon

Energi People in London is seeking a Principal Mechanical Engineer to lead multidisciplinary projects across various sectors including transport, education, and healthcare. The role involves collaborating with experts in design and engineering to...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer — Lead Sustainable MEP Design

Company IconStantec
Location IconCity of Edinburgh

A consulting firm specializing in engineering solutions in Scotland is seeking a Principal Mechanical Engineer to lead multidisciplinary MEP engineering projects. The successful candidate will develop mechanical design solutions, mentor junior engine...Read More>>.

Posted: June 6th, 2026
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Water Sector Lead Mechanical Engineer (Hybrid)

Company IconCOSTAIN GROUP
Location IconGreater Manchester

A UK engineering firm is seeking a Principal Mechanical Engineer specializing in the water sector to join their team in Greater Manchester. The role involves ensuring compliance with industry standards, delivering engineering designs, and liaising wi...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Hybrid Lead, Design & Impact

Company IconEbro Electronic GmbH
Location IconCambridge

Ein international tätiges Ingenieurunternehmen in Cambridge sucht einen Principal Mechanical Engineer, der ein talentiertes Team im Maschinenbau leitet. In dieser Rolle sind Sie verantwortlich für die Entwicklung innovativer mechanischer Lösungen,...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer — Building Services Lead

Company IconStantec Consulting International Ltd.
Location IconGlasgow

A leading consulting firm in Glasgow is seeking a Principal Mechanical Engineer to lead multidisciplinary engineering projects. The successful candidate will manage teams and deliver high-quality design solutions. Strong experience in Building Servic...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Hybrid, Low-Carbon Design

Company IconENGIE Group
Location IconLondon

ENGIE Group is looking for a Principal Mechanical Engineer (RED Specialist Services) to manage engineering design projects from their London or Newcastle office. The ideal candidate will have a significant background (over 15 years) in mechanical eng...Read More>>.

Posted: June 6th, 2026
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Lead Clean Water Process Engineer – Hybrid, UK Projects

Company IconAtkinsRéalis
Location IconLondon

AtkinsRéalis seeks a Clean Water Process Engineer in Greater London to lead a team in delivering technical design work on innovative water projects. The role involves managing budgets, providing technical leadership, and developing design deliver...Read More>>.

Posted: June 6th, 2026
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Clean Water Process Engineer - Principal to Associate Director

Company IconWSP USA
Location IconLondon

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 c...Read More>>.

Posted: June 6th, 2026
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Senior Water Process Engineer: Lead Design & Strategy

Company IconWSP USA
Location IconLondon

A leading engineering consultancy is seeking a Clean Water Process Engineer to join their Water Engineering teams across the UK. The candidate will deliver process engineering design content for various challenging projects, including water reuse ini...Read More>>.

Posted: June 6th, 2026
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Clean Water Process Engineer - Principal to Associate Director

Company IconWSP in the UK & Ireland
Location IconLiverpool

Role and LocationAs a Clean Water Process Engineer (Principal to Associate Director), you will join our Water Engineering teams located in Birmingham, Manchester, Liverpool, London, Newcastle or Glasgow. You will work within multidisci...Read More>>.

Posted: June 6th, 2026
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Senior Water Process Engineer - Lead Municipal Design

Company IconWSP in the UK & Ireland
Location IconBirmingham

WSP in the UK & Ireland seeks a Clean Water Process Engineer (Principal to Associate Director) to work within multidisciplinary teams on water projects across the UK. Responsibilities include producing design deliverables, engaging with clients, and...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Hydropower & Dams

Company IconStantec Consulting International Ltd.
Location Icon

Stantec Consulting International Ltd. is seeking a Principal Mechanical Engineer to join their hydropower team in the UK. The successful candidate will be responsible for the mechanical engineering design and associated work for various large-scale p...Read More>>.

Posted: June 6th, 2026
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Heavy Mobile Plant Engineer — Field Service (Leeds)

Company IconUnited Plant Services
Location IconLeeds

United Plant Services is seeking a Heavy Mechanical Engineer for their Leeds location. The successful candidate will be responsible for the service and maintenance of Heavy Plant Equipment, fault finding, and ensuring high levels of customer service....Read More>>.

Posted: June 6th, 2026
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Mobile Heavy Plant Engineer — Company Van & Growth

Company IconUnited Plant Services
Location IconNewcastle upon Tyne

United Plant Services is looking for a Heavy Mechanical Engineer to operate within Newcastle-Upon-Tyne. The role involves servicing and maintaining Heavy Plant Equipment and conducting fault finding and inspections. The ideal candidate should have...Read More>>.

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

Company IconStantec Consulting International Ltd.
Location IconNewcastle upon Tyne

A leading international consulting firm seeks a Senior Principal Mechanical Engineer in Newcastle upon Tyne to lead complex mechanical design projects and provide strategic mentorship. The ideal candidate will have extensive experience in the water s...Read More>>.

Posted: June 6th, 2026
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Senior Water Wastewater Process Engineer – Optioneering

Company IconStantec Consulting International Ltd.
Location IconCambridge

A leading environmental consulting firm in Cambridge is seeking a Senior Process Engineer to join their growing wastewater practice. The role involves delivering innovative engineering solutions for significant water programs across the UK. Candidate...Read More>>.

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

Company IconAccess Talent Group
Location Icon

Senior Principal Mechanical Engineer - Water(BST: 8:00 - 18:00 (Mon/Thurs) 8:00 - 16:00 (Fri))Access Talent Group are currently recruiting for a global engineering and environmental consultancy currently looking for Senior Princ...Read More>>.

Posted: June 6th, 2026
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Java Tooling Engineer - SpringBoot/OpenShift (AVP)

Company IconCitibank (Switzerland) AG
Location IconLondon

A leading global bank is looking for a Java Developer to enhance tools for its developer community. This role requires proficiency in Java and SpringBoot, and involves developing APIs and supporting developers globally. The bank offers a flexible hyb...Read More>>.

Posted: June 6th, 2026
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Senior Project Engineer - Mechanical Lead, Car Allowance

Company IconNG Bailey Engineering
Location IconCardiff

NG Bailey Engineering is seeking a Senior Project Engineer - Mechanical for projects in the South West, specifically Cardiff or Bristol. This position involves leading electrical packages, ensuring compliance with health and safety standards, and man...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Lead Heavy Industry & WCM

Company IconE3 Recruitment
Location Icon

E3 Recruitment is seeking an experienced Head of Mechanical Engineering or Senior Mechanical Engineer in Eggborough. The role involves driving manufacturing operations, implementing HSEQ standards, and mentoring a team. You will also play a key ro...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer – Building Services (Hybrid)

Company IconSkilled Careers
Location Icon

A building services consultancy in the UK is seeking a Senior Mechanical Engineer to join their collaborative team. The candidate will deliver mechanical designs, lead projects across various sectors, and mentor junior engineers. Familiarity with HVA...Read More>>.

Posted: June 6th, 2026
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Senior Cryogenic Mechanical Engineer – Quantum Hardware

Company IconPsiQuantum
Location IconDaresbury

A leading quantum computing firm is seeking an experienced engineer at their UK site in Daresbury to lead the design, build, and testing of cryogenic systems for quantum computing. The role involves designing cryogenic assemblies, performing finite e...Read More>>.

Posted: June 6th, 2026
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Rail Depot Equipment Engineer - Design, Maintain & Optimize

Company IconOsiris Recruitment
Location IconLondon

A leading railway engineering recruitment firm is looking for a Railway Depot Equipment Engineer in the UK to design and maintain essential equipment for depot operations. The successful candidate will oversee maintenance schedules, ensure compliance...Read More>>.

Posted: June 6th, 2026
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Senior Water & Wastewater Process Engineer – Design Lead

Company IconScantec Personnel Limited
Location IconManchester

Scantec Personnel Limited is seeking a Senior Process Engineer in Manchester to deliver process engineering design solutions for water and wastewater treatment projects. This role involves mentoring junior engineers and collaborating with multidis...Read More>>.

Posted: June 6th, 2026
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Senior Manufacturing Engineer: Process Improvement & CNC Lead

Company IconEnergy Jobline CVL
Location IconBrighouse

Energy Jobline CVL is seeking a Senior Manufacturing Engineer based in Brighouse, UK. The successful candidate will manage manufacturing processes and provide technical guidance to teams.Offering a salary range of £45,000 to £50,000, this...Read More>>.

Posted: June 8th, 2026
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Principal Mechanical Design Engineer - 6-Month Contract

Company IconEnergy Jobline ZR
Location IconStevenage

Energy Jobline ZR is seeking a Principal Mechanical Design Engineer for a 6-month contract based in Stevenage or Bristol. The role involves developing products to meet customer needs and progressing designs into production while addressing technic...Read More>>.

Posted: June 8th, 2026
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Principal Mechanical Engineer — Net-Zero Building Performance

Company IconBeeby Anderson Recruitment
Location IconBirmingham

A leading engineering consultancy in Birmingham is seeking a Principal/Associate Engineer to join their Operational Assets team. The role involves securing new projects, leading teams, and delivering sustainable solutions for existing buildings. Cand...Read More>>.

Posted: June 12th, 2026
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Principal Mechanical Engineer Nuclear Projects Lead Hybrid

Company IconFINTEC recruit Ltd
Location IconStockport

FINTEC recruit Ltd is seeking a Principal Mechanical Engineer for a role in Stockport focused on high-profile nuclear projects. The position involves leading engineering teams, developing designs, and ensuring compliance with industry standards....Read More>>.

Posted: June 13th, 2026
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Lead Mechanical Engineer - Equipment & Technology (Hybrid)

Company IconHR Wallingford
Location IconGreater Manchester

HR Wallingford seeks an experienced Principal Engineer for leading projects involving mechanical solutions. This role encompasses collaboration with electrical and software teams to deliver high-quality solutions. The candidate should possess a st...Read More>>.

Posted: June 14th, 2026
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Mobile Plant Engineer – Glasgow (Field Service)

Company IconLloyds British Group Ltd
Location IconGlasgow

Lloyds British Group Ltd is hiring a Mobile Engineer based in Glasgow to work Monday to Friday from 07:30-16:30. The role plays a key part in ensuring equipment service schedules are maintained and responding promptly to customer equipment breakdo...Read More>>.

Posted: June 15th, 2026
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Senior Process Engineer — Barrow Gas Hub Optimizer

Company IconSpirit Energy
Location Icon

Spirit Energy is seeking a Senior Process Engineer for a 2-year contract at the Barrow Gas Terminal. The role involves providing engineering support for the efficient operation of Morecambe Hub process systems, optimizing performance, and ensuring...Read More>>.

Posted: June 15th, 2026
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Senior Process Engineer - Lean Manufacturing & Innovation

Company IconJAGUAR LAND ROVER
Location Icon

JAGUAR LAND ROVER is seeking a Senior Process Engineer to join the Manufacturing team at the Battery Assembly Centre. This role is vital in designing and optimising manufacturing processes, improving quality, and driving continuous improvement ini...Read More>>.

Posted: June 25th, 2026
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Lead Mechanical Engineer: HVAC & Critical Systems in London

Company IconSodexo
Location Icon

Sodexo is seeking a Mechanical Lead to oversee the delivery of mechanical building services at NBCUniversal's London headquarters. You will manage HVAC systems, ensure compliance, and provide leadership to engineers while fostering strong relation...Read More>>.

Posted: June 19th, 2026
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Regional Sales Lead, Mechanical Engineering Solutions

Company IconNewton Colmore Consulting
Location IconWinchester

Newton Colmore Consulting is seeking an experienced Regional Sales Manager for the South Coast territory. This role involves managing existing accounts while securing new business within the mechanical engineering services sector.Located id...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Engineer — MEP Lead for Decarbonisation

Company IconCalibre Search
Location IconWales

Calibre Search is seeking a Principal Mechanical Engineer to join their team in Cardiff. This role involves collaborating with multidisciplinary teams on various projects while ensuring the delivery of quality mechanical designs.The ideal c...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Engineer - Water & Utilities Design Lead

Company IconAdler & Allan Ltd
Location IconLeeds

Adler & Allan Ltd is seeking a Senior Mechanical Engineer primarily for the Water industry, with responsibilities spanning project management, technical guidance, and collaboration with clients. The ideal candidate will have a mechanical engineeri...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Engineer – Aerospace Release Systems

Company IconHarris Geospatial Solutions
Location Icon

Harris Geospatial Solutions is seeking a Senior Mechanical Engineer at their Brighton location. The role involves providing technical design input, leading engineering programmes, and ensuring alignment with requirements.Ideal candidates wi...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Engineer - Next-Gen Sensors (Hybrid)

Company IconLeonardo UK Ltd
Location IconSouthampton

Leonardo UK Ltd is seeking Mechanical Engineers to join their team in Southampton, focusing on developing advanced sensors. The role emphasizes compliance, detailed design, and hands-on implementation across the engineering lifecycle.Applic...Read More>>.

Posted: June 20th, 2026
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Mechanical Design Engineer - Hybrid (London) with Fast Growth

Company IconBeeby Anderson Recruitment
Location IconLondon

A leading engineering consultancy in Greater London is seeking an experienced Intermediate Mechanical Design Engineer to join their team. In this role, you'll engage in designing mechanical engineering systems across various sectors including Educati...Read More>>.

Posted: June 21st, 2026
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Senior Mechanical Design Engineer - Hybrid Leadership

Company IconMarshall Aerospace and Defence Group
Location Icon

A leading aerospace company in the United Kingdom is seeking a Senior Mechanical Engineer to take lead responsibility for mechanical design on various projects. The role requires approximately 50-70% onsite presence in Cambridge. Applicants should ha...Read More>>.

Posted: June 24th, 2026
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Senior Product Engineer (£85k–£120k + Equity) at infact

Company IconJack & Jill
Location IconLondon

Job Title Senior Product Engineer Salary £85k–£120k + Equity Company Description infact.io is a seed‑stage London fintech that raised £4m from AlbionVC to build the UK's first real‑time credit b...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer – Aerospace EMI/EMC Design

Company IconUltra Electronics Group
Location IconCheltenham

Ultra Electronics Group in Cheltenham is seeking an experienced engineer to prepare technical documents and develop engineering solutions. The ideal candidate will have a Bachelor’s Degree in Mechanical Engineering and significant experience wit...Read More>>.

Posted: June 24th, 2026
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