Senior/Principal Mechanical Engineer

Company IconALDWYCH CONSULTING LTD
Location IconBirmingham

Senior / Principal Mechanical Engineer Birmingham | Building Services Consultancy | Hybrid FlexibilityAn exciting opportunity has arisen for a Senior or Principal Mechanical Engineer t...Read More>>.

Posted: September 26th, 2026
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Junior Mechanical Engineer

Company IconALDWYCH CONSULTING LTD
Location IconBirmingham

Junior Mechanical Engineer Birmingham | Building Services Consultancy | Hybrid FlexibilityAn exciting opportunity has arisen for a Junior Mechanical Engineer to join a growing building...Read More>>.

Posted: September 26th, 2026
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Field Service Mechanical Engineer - Uxbridge

Company Iconphs Group
Location Icon

About The RoleJob Title: Baler and Compactor Field Service EngineerDivision: phs Wastekit Purpose of RoleService Engineers are responsible for s...Read More>>.

Posted: September 27th, 2026
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Mechanical Engineer

Company IconVenus Recruitment Limited
Location IconCamberley

Mechanical Engineer£65-75K DOE, based in FrimleyDue to exciting innovation, and continued growth, our client is looking for an experienced Mechanical Engineer to join their team. This position will play a key role in the dev...Read More>>.

Posted: September 27th, 2026
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Mechanical Engineer

Company IconSodexo
Location Icon

About the roleJob Title: Mechanical EngineerLocation: Queen Mary's Hospital, Roehampton, SW15 5PNSalary: £23.07 per hour / £47,958.60...Read More>>.

Posted: September 28th, 2026
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Principal Mechanical Engineer Motherwell

Company IconBaker Hicks Limited
Location IconMotherwell

At BakerHicks, our Mechanical team is known for making the complex simple. Our mechanical experts work with clients across exciting and niche sectors, delivering complex yet efficient and sustainable solutions, often to a demanding, highly regu...Read More>>.

Posted: June 26th, 2026
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Lead Mechanical Engineer – Water Infrastructure

Company IconStantec
Location IconEast Midlands

Stantec in the Midlands seeks a Principal Mechanical Engineer to lead technical delivery across water and wastewater projects, from feasibility to commissioning, and to mentor engineers. The role offers leadership within a leading multidisciplinar...Read More>>.

Posted: August 10th, 2026
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Principal Mechanical Engineer

Company IconJN Bentley
Location Icon

Internal applicants are welcome. Mott MacDonald Bentley (MMB) is a capital delivery partner for Wessex Water. We manage projects across the region up to 2030, with potential for extension. Wessex Water serves 2.9 million customers...Read More>>.

Posted: August 10th, 2026
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Principal Mechanical Engineer

Company IconNUKEM Ltd.
Location IconWarrington

Job title Principal Mechanical Engineer Contract type Permanent Telework? Hybrid (telework possible) Description of the assignment Position – Principal Mechanical Engineer...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer - Building Services

Company IconBakerHicks
Location IconWarwick

Why this role? As a Senior Engineer – Mechanical Services you are expected to have a strong track record in one or, preferably, multiple sectors that BakerHicks operates in. You will be a Mechanical Building Services Engineer, ideall...Read More>>.

Posted: August 17th, 2026
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Principal Mechanical Engineer

Company IconBelcan
Location IconEast Midlands

Advanced Engineering & Clean‑Tech MachineryPermanentHybridAre you an experienced Mechanical Design Engineer looking to take the lead on complex, cutting‑edge engineering projects?We’re supporting a pioneering engi...Read More>>.

Posted: August 17th, 2026
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Principal Mechanical Engineer, Electric Motors

Company IconETA Green Power, Ltd.
Location IconHethel

ETA Green Power, Ltd. is looking for a Principal Mechanical Engineer in Hethel. The candidate will be responsible for the mechanical design, thermal performance, and integration of electric motors. This role covers the entire development cycle fro...Read More>>.

Posted: August 17th, 2026
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Lead Mechanical Engineer – Opto-Mechanical Hardware

Company IconExpleo
Location IconScotland

Expleo is seeking a Lead Mechanical Engineer to drive mechanical design and development tasks in Scotland. This role is ideal for candidates with strong skills in CAD tools like PTC CREO and ANSYS, offering a collaborative environment and competit...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer (@one Alliance)

Company IconBinnies
Location IconEast Hampshire

Senior Mechanical Engineer – Binnies (RSK Group) Location: Peterborough – Hybrid working available. Benefits 9‑day working fortnight Competitive pension scheme 33 days annual leave...Read More>>.

Posted: August 17th, 2026
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Senior / Principal Mechanical Engineer – Nuclear

Company IconAtkinsRéalis
Location IconEast Midlands

Overview Are you an experienced Mechanical Engineer who is passionate about making the world a better place? Would you be excited to play a part in supporting the fight against climate change? Do you thrive in collaborative, creative e...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer - Medical Devices (Hybrid)

Company IconAES
Location Icon

AES in Cambridgeshire is seeking a Senior Mechanical Engineer to design and develop sophisticated electro–mechanical systems for next-generation medical technologies. You’ll work within a multidisciplinary team, guiding concepts through design...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer – Advanced Systems (Hybrid)

Company IconAIXTRON SE
Location IconSwavesey

AIXTRON Ltd in Swavesey, United Kingdom, is seeking a Senior Mechanical Engineer to drive mechanical design for our bespoke MOCVD equipment. You will work within a multi-disciplinary team, delivering robust subsystems and components in a modern en...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer – Biotech Mechatronics – Cambridge

Company IconNewton Colmore Consulting Ltd
Location Icon

Senior Mechanical Engineer – Biotech Mechatronics – CambridgeA spin-out Biotech company, based in Cambridge, is currently hiring several Senior Mechanical Engineers to join them and help accelerate the proof of concept, design, devel...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer - Water & Wastewater Systems

Company IconJN Bentley
Location Icon

Mott MacDonald Bentley is seeking a Senior Mechanical Engineer to drive the design and delivery of water and wastewater projects in the UK. You will lead from concept to commissioning, coordinating with electrical, civil and process teams to ensur...Read More>>.

Posted: August 17th, 2026
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Lead Mechanical Engineer Tooling & Decommissioning (Hybrid)

Company IconNUKEM Ltd.
Location IconWarrington

NUKEM Ltd. seeks a Principal Mechanical Engineer for its Warrington location. This role involves overseeing the development of essential tools for MSSS SEP machines, managing a team, and collaborating with various clients and contractors.Th...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer — Nuclear & Energy Systems

Company IconAtkinsRéalis
Location IconEast Midlands

AtkinsRéalis is seeking a Senior/Principal Mechanical Engineer to lead delivery of complex mechanical and multi-disciplinary projects from our Derby office. You will work with engineers, delivery teams, and clients to ensure projects meet safety,...Read More>>.

Posted: August 17th, 2026
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Senior/Principal/Mechanical Engineer

Company IconRullion Ltd
Location IconLondon Colney

Senior/Principal/Mechanical Engineer My client is an engineering design consultancy working closely with a wide range of clients, across a number of disciplines within the UK rail and utilities industries. Full time role from th...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer

Company IconJN Bentley
Location IconPoole

MMB has been named a capital delivery partner on two multi-million-pound ‘lots’ that will see the company deliver projects across the region through to 2030 - with the potential for a five-year extension into AMP9 thereafter. Wessex Water s...Read More>>.

Posted: August 22nd, 2026
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Senior Mechanical Engineer – Water Infrastructure & Growth

Company IconJN Bentley
Location IconPoole

Bentley is seeking a Senior Mechanical Engineer to lead on-site delivery of mechanical installations across multiple water/engineering projects. You will integrate design, construction and commissioning, ensuring quality and safety are maintained...Read More>>.

Posted: August 22nd, 2026
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Senior Mechanical Engineer

Company IconAdept:Us
Location IconOrmskirk

Senior Mechanical Engineer Building ServicesSalary: GBP55,000 GBP70,000 DOE + BonusLocation: Flexible / HybridType: PermanentWe are recruiting a Senior Mechanical Engineer to join a growing Building Services consultanc...Read More>>.

Posted: August 29th, 2026
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Principal Mechanical Engineer - Water Sector

Company IconStantec Inc.
Location IconWarrington

Across the North West, Stantec is helping deliver some of the UK's most ambitious water infrastructure programmes. Through our long-standing partnership with United Utilities , we're supporting the design and delivery of major treatment works,...Read More>>.

Posted: August 29th, 2026
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Senior Mechanical Engineer - Water Infrastructure Leader

Company IconStantec Inc.
Location IconWarrington

Stantec is seeking a Principal Mechanical Engineer to lead the technical delivery of mechanical design across water and wastewater infrastructure projects in the UK. You will guide feasibility, option designs, detailed design, construction support...Read More>>.

Posted: August 29th, 2026
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Principal Mechanical Engineer

Company IconweServed
Location IconPlymouth

Job Title: Principal Mechanical Engineer Location: Plymouth, Devon Compensation: £57,300 - £71,600 Depending on Experience + Benefits Role Type: Full time / Permanent Role ID: SF72890 At Babcock we...Read More>>.

Posted: August 30th, 2026
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Senior Mechanical Engineer – Marine Projects Lead

Company IconAJP Recruitment
Location IconNewcastle upon Tyne

A Senior Mechanical Engineer role in our North East office requires technical leadership across bespoke projects for marine-related sectors. You will coordinate design teams, ensure delivery to specifications, and drive key decisions from concept...Read More>>.

Posted: August 30th, 2026
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Senior Mechanical Engineer

Company IconS I Sealy and Associates Ltd
Location IconStockport

Location: Bredbury, StockportRef: 0011Contract: Full TimeCloses: 10/11/2026Senior Electrical EngineerAbout UsS I Sealy & Associates provides building servic...Read More>>.

Posted: September 12th, 2026
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Senior Mechanical Engineer: Lead Water Projects

Company IconEnvirogen Group UK Limited
Location IconWatford

Envirogen Group UK Limited is seeking a Senior Engineer to own execution and delivery of capital projects from concept to field deployment. You will design, specify equipment, and drive technical reviews assisting the sales team with cost estimate...Read More>>.

Posted: September 21st, 2026
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Mechanical Engineer

Company IconComXps
Location Icon

This role is Inside IR35.Contract Length:ASAP – 31/03/2027Clearance: SCLocation: Weekly working pattern (expectations). 1 days a week on site in Merthyr Tydfil, Wales. 3 day a week on site in Bristol. 1 day a week WFH. Pl...Read More>>.

Posted: September 24th, 2026
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Mechanical Engineer

Company IconCento
Location IconLeeds

Senior Mechanical Engineer – Building ServicesAn established building services consultancy is seeking a Senior Mechanical Engineer to support the design and delivery of technically complex projects, with a particular focus on healthc...Read More>>.

Posted: September 25th, 2026
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Senior Mechanical Engineer

Company IconCrux Product Design Ltd
Location Icon

We’re on the lookout for a talented Senior Mechanical Engineer to join our team. If you’re interested in working on multi-disciplinary engineering projects that tackle some of the toughest briefs in the medical and consumer goods sectors, w...Read More>>.

Posted: September 26th, 2026
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Lead Mechanisms Engineering Manager

Company IconIntellectual Capital Resources Ltd
Location Icon

Intellectual Capital Resources Ltd is seeking a Mechanisms Engineering Manager to lead and develop our mechanisms engineering capability, blending technical leadership, people development and hands-on problem-solving.You will oversee work p...Read More>>.

Posted: September 26th, 2026
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Lead Mechanical Engineer

Company IconAdvanced Resource Managers Ltd
Location IconAmpthill

Lead Mechanical Engineer 6 month contract Based in Ampthill Offering between £43-£64ph Inside IR35 Do you have experience using CREO? Do you have knowledge of complex mechanism design and principles?...Read More>>.

Posted: September 26th, 2026
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Senior Mechanical Engineer

Company IconReevr Talent Ltd
Location IconWarwick

We are recruiting for a Senior Mechanical Engineer to join an established engineering business based in Warwick, specialising in the design and manufacture of automated machinery for the pharmaceutical, medical device and FMCG industries....Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer

Company IconSkilled Careers
Location IconNottingham

Senior Mechanical Engineer Nottingham Location: NottinghamJob Type: Permanent, Full–timeSalary: Competitive, dependent on experience A leading M&E consultancy is looking for an experienced Senio...Read More>>.

Posted: September 27th, 2026
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Mechanical Engineer

Company IconJames Lewis Recruitment
Location IconSlough

Mechanical Engineer Data Centre | Static / Shift-Based | Permanent £60,000 + package This is a static, site-based role for someone who wants to get in on the ground floor of a brand-new liquid cooling system on a newly i...Read More>>.

Posted: September 27th, 2026
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Senior / Princinpal Mechanical Engineer

Company IconCalibre Search
Location IconColchester

Senior / Principal Mechanical Engineer | Essex | Consultancy Up to £70k Most building services consultancies say they value their senior engineers. This one is built around them. It's a deliberately senior-heavy MEP consultancy...Read More>>.

Posted: September 27th, 2026
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Mechanical Engineer – Pressure Compliance (Nuclear)

Company IconASSYSTEM
Location Icon

Assystem seeks an experienced Mechanical Engineer to lead pressure systems compliance and structural integrity activities on a Bristol-area project. You will act as technical authority, guiding design, manufacture, installation and compliance to s...Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer

Company IconEadon Consulting Ltd
Location IconCockermouth

We're hiring a Senior Mechanical Engineer to join our Cockermouth team at Eadon Consulting. If you're passionate about solving complex engineering challenges and want to work on exciting projects across sectors including bridges, nuclear, water...Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer

Company IconMott MacDonald Group
Location Icon

Internal applicants are welcomeMott MacDonald Bentley is a fully integrated design and build business combining the design expertise of Mott MacDonald with the contracting experience of JN Bentley to deliver award winning projects. With...Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer

Company IconIgnite Talent Group
Location IconWarrington

The City Recruiter is supporting a leading engineering organisation within the nuclear sector, seeking an experienced Senior Mechanical Engineer to join their project delivery team in Warrington. The successful candidate will be responsible for...Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer, Nuclear Decommissioning

Company IconIgnite Talent Group
Location IconWarrington

The City Recruiter is supporting a leading engineering organisation within the nuclear sector, seeking an experienced Senior Mechanical Engineer to join their project delivery team in Warrington. The successful candidate will be responsible for de...Read More>>.

Posted: September 27th, 2026
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Mechanical Engineer

Company IconGold Group
Location Icon

Contract Mechanical EngineerLocation - 3 days Bristol, 1 day on site, 1 WFHTerm: Initially 9 monthsWorking pattern: 4 days on site / 1 day remoteStart: ASAPRate: £45-50 per hou...Read More>>.

Posted: September 27th, 2026
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Senior Mechanical Engineer

Company IconCento
Location IconLeeds

Senior Mechanical Engineer – Building Services | Leeds An established building services consultancy is looking for a Senior Mechanical Engineer to join its Leeds design team. You’ll lead the mechanical design of technically complex bu...Read More>>.

Posted: September 29th, 2026
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Senior Mechanical Engineer – Robotics Platforms

Company IconXrcrobotics
Location IconOxford

XRC Robotics is seeking a Senior Mechanical Engineer to lead the development of unmanned ground vehicle platforms. You will influence design decisions, own projects end-to-end and work closely with manufacturing teams to iterate hardware rapidly....Read More>>.

Posted: September 29th, 2026
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Senior Mechanical Engineer

Company IconXrcrobotics
Location IconOxford

We’re looking for a Senior Mechanical Engineer who is passionate about robotics and wants to help drive the development of our unmanned ground vehicles.At XRC Robotics, you’ll have the freedom and responsibility to make engineering deci...Read More>>.

Posted: September 29th, 2026
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Mechanical Engineer (Nuclear Ventilation)

Company IconSmartRecruiters, Inc.
Location IconBarrow in Furness

Mechanical Engineer (Nuclear Ventilation) Full-time State/Province: South Australia Business Group: DCS Legal Entity: AECOM Australia Pty Ltd Business Line: B&P - Buildings & Places Work...Read More>>.

Posted: September 30th, 2026
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