Principal Mechanical Engineer

Company IconOrano
Location Icon

Within the Engineering team, the Mechanical Engineer will integrate operational engineering multi-disciplines teams delivering projects at various phases, from FEED to commissioning, or in assistance to Plant Operation in the UK. Responsibilities...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconAdvance TRS
Location IconRhyl

Mechanical Design Engineer (Lead / Principal grade) Our client is seeking a highly experienced Principal Mechanical Engineer (contract or permanent) to lead the design and delivery of complex water and wastewater infrastructure project...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconCorriculo Recruitment
Location Icon

Corriculo Recruitment provided pay rangeThis range is provided by Corriculo Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangePrincipal...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconTetra Tech Europe
Location IconBelfast

As we win new work our workload increases, which means we have an exciting opportunity to join our established Belfast team. You will have responsibility for design and management of mechanical building services projects in complex buildings, i...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - (2017)

Company IconHoare Lea
Location IconGlasgow

OverviewHoare Lea is a human-centric and planet-conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment throughout the UK and further afield. We provide a...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconHartmann Young
Location IconCambridge

Principal Engineer (Mechanical) - Diagnostic Medical Devices Hartmann Young have partnered with an innovative biotechnology company in the East Anglia region of the UK, who are expanding their engineering team with the addition of a Pr...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Principal Mechanical Engineer – Cranes

Company IconTieTalent
Location IconTewkesbury

Join to apply for the Principal Mechanical Engineer – Cranes role at TieTalent1 day ago Be among the first 25 applicantsJoin to apply for the Principal Mechanical Engineer – Cranes...Read More>>.

Posted: June 6th, 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 6th, 2026
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Principal Mechanical Engineer

Company IconETA Green Power, Ltd.
Location IconHethel

The Principal Mechanical Engineer at ETA is a key member of the engineering team, responsible for the mechanical design, thermal performance, and physical integration of electric motors within ETA products. This role focuses on deliverin...Read More>>.

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

Company IconSnc-Lavalin
Location IconManchester

Senior/Principal Mechanical Engineer page is loaded## Senior/Principal Mechanical Engineerlocations: GB.Manchester.Piccadilly: GB.Belfast - The Vantage: GB.Newcastle upon Tyne.Albany Court: GB.Glasgow.2 Atlantic Square York Street: GB.Leeds...Read More>>.

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

Company IconKonker
Location IconBillericay

Senior / Principal Mechanical Engineer This role offers the opportunity to lead mechanical design within building services projects and progress toward a leadership position within the department. Base pay range: Up to £...Read More>>.

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

Company IconRamboll
Location IconBristol

Senior/Principal Mechanical Engineer – Buildings Services Join Ramboll as a Senior/Principal Mechanical Engineer to help close the gap to a sustainable future in our Building Services team. Job Description Are you exc...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer Contract

Company IconEnvirogen Group
Location Icon

Envirogen Group UK Limited is seeking a talented Senior Mechanical Engineer on a contract basis to join our innovative engineering team. In this role, you will be responsible for designing and developing mechanical components and...Read More>>.

Posted: June 6th, 2026
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Mechanical Engineer - Asset Integrity

Company IconKent
Location IconScotland

OverviewMechanical Engineer - Asset Integrity at Kent. Based in Aberdeen, the successful candidate will be part of a multi-discipline Asset Integrity Team supporting a wide range of clients in the North Sea region and globally. The...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer Contract

Company IconEnvirogen Technologies Inc.
Location Icon

Envirogen Group UK Limited is seeking a talented Senior Mechanical Engineer on a contract basis to join our innovative engineering team. In this role, you will be responsible for designing and developing mechanical c...Read More>>.

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

Company IconAssystem GmbH
Location IconGlasgow

Our Vacancy# Senior Mechanical Engineer – Turbines* Nuclear* Permanent /* Glasgow* United Kingdom* 06/03/26* On site* Share **About Assystem** Assystem is an international engineering and project management group accelerating the energy transiti...Read More>>.

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

Company IconAtkinsRéalis
Location IconManchester

Overview Shape the future of our cities and environments. Are you a Mechanical 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 p...Read More>>.

Posted: June 6th, 2026
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Electrical Controls - Mechanical Engineer

Company IconBabcock International Group
Location IconPlymouth

Electrical Controls - Mechanical Engineer At Babcock we’re working to create a safe and secure world, and if you join us, you can play your part as an Electrical Controls - Mechanical Engineer at our Devonport Royal Dockyard s...Read More>>.

Posted: June 6th, 2026
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Mechanical Engineer — Water & Wastewater Design

Company IconAvove Limited
Location IconWarrington

Avove Limited is seeking a Mechanical Engineer in Warrington to join our expanding Design team. The successful candidate will deliver mechanical design across water and wastewater projects, supporting schemes from feasibility through to detailed d...Read More>>.

Posted: June 8th, 2026
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Design - Senior Mechanical Engineer

Company IconAvove Limited
Location IconWarrington

Working here isn’t just a job. You canadvance your career at Avove, and we’ll reward you with a range of benefits that recognise great work. We provide full training and continuous development to help you reach your potential. We str...Read More>>.

Posted: June 8th, 2026
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Principal Mechanical Engineer

Company IconNUVIA
Location IconWarrington

Location: Birchwood Park, Risley or Albion Square, Cumbria Arrangement: Permanent or Contract NUVIA UK's Technical Services & Consulting department is fast growing with hybrid opportunities available up and down the...Read More>>.

Posted: June 14th, 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: June 14th, 2026
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Mechanical Engineer – Marine Systems (Portsmouth)

Company IconMechanicaldesigndirectory
Location IconPortsmouth

BAE Systems is seeking Mechanical Engineers to work on complex maritime projects in Portsmouth, UK. The successful candidates will develop their engineering skills within a highly skilled team, contributing to projects such as Type 45 Destroyers a...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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Senior Mechanical Engineer (Water)

Company IconSweco
Location IconLeeds

Do you have what it takes to transform society? We are currently looking for a talented and motivated Senior Mechanical Engineer to join our design team in Leeds as part of a multi‑disciplinary department providing detailed designs for...Read More>>.

Posted: June 21st, 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: July 4th, 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: July 7th, 2026
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Geotechnical & Rock Mechanics Engineer – Mining

Company IconWSP in the UK & Ireland
Location IconBirmingham

WSP in the UK & Ireland is seeking a Geotechnical / Rock Mechanics Engineer to join our growing UK team. You will support open pit and underground mining projects, and contribute to major infrastructure and geoenergy developments in the UK and int...Read More>>.

Posted: July 11th, 2026
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Senior Opto-Mechanical Engineer

Company IconOlix Computing
Location IconLondon

AI is growing faster than any technology in history and the explosion in demand has created a massive infrastructure gap; we can no longer build chips or power stations fast enough to keep up. The industry is still leaning on a ten-year-old har...Read More>>.

Posted: July 13th, 2026
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Principal Mechanical Engineer I

Company IconRoman Health Pharmacy LLC
Location IconCambridge

AtCesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross‑functional work environment, wh...Read More>>.

Posted: July 24th, 2026
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Principal Mechanical Engineer

Company IconAdvance Training & Recruitment Services
Location IconExeter

Principal / Associate Mechanical Engineer – Water Location: Exeter (Hybrid)Salary: Up to £75,000 + Excellent Benefits An exciting opportunity has arisen for a Principal / Associate Mechanical Engineer to join a leading e...Read More>>.

Posted: July 24th, 2026
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Principal Mechanical Engineer I

Company IconCesiumAstro
Location IconCambridge

At Beijing-based company CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic cross‑functional work env...Read More>>.

Posted: July 25th, 2026
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Electro-Mechanical Engineer: Production & Automation

Company IconSaputo Inc.
Location IconNuneaton

Saputo Nuneaton is recruiting an Electro-Mechanical Engineer to join our expanding plant on a 4 on / 4 off shift. You’ll maintain and improve automated packaging lines, troubleshoot mechanical and electrical faults, and support new line deployme...Read More>>.

Posted: July 25th, 2026
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Mechanical/Senior Mechanical Engineer

Company IconAldwych Consulting Ltd
Location IconBirmingham

Senior Mechanical Design Engineer Berkhamsted or Birmingham | Hybrid WorkingI'm currently working with a well-established, privately owned engineering consultancy that is looking to appoint a Senior Mechanical Desi...Read More>>.

Posted: July 30th, 2026
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Senior / Principal Mechanical Engineer

Company IconAdvance Training & Recruitment Services
Location IconPreston

Job Title: Mechanical Design Engineer (Lead / Principal grade)Location: Preston (Hybrid Working)Salary: £60,000 – £70,000 + benefits or Contract Rate: £50 – £55ph LtdOverview:Our client...Read More>>.

Posted: August 7th, 2026
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Electrical & Mechanical Engineer - Proactive Troubleshooter

Company IconTodd Hayes Ltd
Location IconTetford

Todd Hayes Ltd in Thetford, Norfolk, is seeking an Electrical and Mechanical Engineer for a full-time role based in the UK. You will apply electrical and mechanical engineering knowledge to maintain and improve equipment, troubleshoot issues, and...Read More>>.

Posted: August 7th, 2026
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Principal Mechanical Engineer

Company IconAECO
Location IconCroydon

Primary Location: UK - Croydon, 69 Park LaneCompany DescriptionWork with Us. Change the World.At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing a...Read More>>.

Posted: August 8th, 2026
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Senior Mechanical Engineer Consultant

Company IconCBRE Group, Inc.
Location IconLondon

Due to continuous demands for their expertise, we are currently expanding our Engineering Consultancy team and looking for a Senior Mechanical Engineer to join our market leading technical asset management team, on a full time permanent basis....Read More>>.

Posted: August 16th, 2026
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Principal Mechanical Engineer

Company IconARCADIS
Location IconLondon

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Ever...Read More>>.

Posted: August 17th, 2026
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Principal Mechanical Engineer

Company IconARCADIS Group
Location IconLondon

Role description:We are looking for a Principal Mechanical Engineer with previous experience working in a consultancy environment to join our Places Design Practice. In this role, you’ll be delivering elegant and efficient mechanical...Read More>>.

Posted: August 17th, 2026
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Principal Mechanical Engineer - London

Company IconBryden Wood
Location IconLondon

At Bryden Wood, we are on a mission to accelerate decarbonisation, deploy new technologies, and integrate design and delivery for critical infrastructure. As inventive thinkers, designers, engineers, and technical experts, we combine creativity...Read More>>.

Posted: August 21st, 2026
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Mobile Electrical & Mechanical Engineer (Industrial)

Company IconCBRE
Location IconReading

CBRE Global Workplace Solutions, a leading global provider of integrated facilities and corporate real estate management, is seeking a Mobile Multi Skilled Engineer to join our dynamic team. You will perform electrical and mechanical maintenance o...Read More>>.

Posted: August 22nd, 2026
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Principal Mechanical Engineer

Company IconRivan
Location IconLondon

Rivan Industries is a synthetic fuel company decarbonising heavy industry. We’re making synthetic fuel cheaper than fossil fuels, sustaining life on earth by keeping the CO 2 locked underground. Here’s our entire business plan.Engineeri...Read More>>.

Posted: August 24th, 2026
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Mechanical Engineer (GreenTech for Manufacturing)

Company IconEcm Selection
Location IconCambridge

Based at their offices in south Cambridgeshire, this engineering company provides highly specialised expertise for their customers across Europe and further afield. Their expertise is in designing bespoke industrial systems used for efficient a...Read More>>.

Posted: August 29th, 2026
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Principal Mechanical Engineer 1

Company IconMott MacDonald Bentley | MMB
Location IconManchester

Mott 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 an annual turnover surpassing £500 mi...Read More>>.

Posted: August 30th, 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

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

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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