Principal Mechanical Engineer - Hybrid (Water Treatment)

Company IconMWH Treatment Limited
Location IconBristol

A leading engineering firm based in Bristol is seeking a Principal Mechanical Engineer to join their team. The role involves delivering projects as part of their Southern Frameworks, with responsibilities including the production of design layouts an...Read More>>.

Posted: March 20th, 2026
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Shipboard Mechanic: Engine Overhaul & Welding Specialist

Company IconV.Group
Location IconLondon

Mechanic for Azamara CruisesDepartment: EngineEmployment Type: ContractLocation: ShipboardDescriptionWe are currently seeking an experienced M...Read More>>.

Posted: March 27th, 2026
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Principal Mechanical Engineer - Waste & Generation (Energy)

Company IconStantec Consulting International Ltd.
Location IconNewcastle upon Tyne

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: April 9th, 2026
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Senior Mechanical Engineer – Water Infrastructure Lead

Company IconStantec Consulting International Ltd.
Location IconHigh Wycombe

A leading engineering consultancy in High Wycombe is seeking a Senior or Principal Mechanical Engineer to drive the mechanical design for critical water infrastructure projects. The successful candidate will possess a relevant degree and significant...Read More>>.

Posted: April 10th, 2026
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Water Infrastructure Lead - Principal Mechanical Engineer

Company IconStantec Consulting International Ltd.
Location Icon

A leading engineering consultancy is seeking a Principal Mechanical Engineer to join their team in the UK. In this role, you will lead mechanical design for water and wastewater projects, working across the full project lifecycle. Ideal candidates wi...Read More>>.

Posted: April 11th, 2026
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Lead Mechanical Engineer - Electrified Personal Aircraft

Company IconPiper Maddox
Location Icon

A pioneering aerospace company in the UK is looking for a Principal Mechanical Engineer to design next-generation electrified personal aircraft. The successful candidate will develop CAD models, conduct stress analyses, and ensure compliance with aer...Read More>>.

Posted: April 11th, 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: April 11th, 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: April 11th, 2026
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Senior Mechanical Engineer – Renewables Scale-Up

Company IconStax - Deep Tech Talent
Location IconLondon

A pioneering synthetic fuel company in Greater London seeks a Senior Mechanical Engineer to design and integrate complex systems for large-scale renewable energy applications. The role requires over 5 years of professional experience and expertise in...Read More>>.

Posted: April 11th, 2026
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Actemium Design - Senior / Principal Mechanical Engineer

Company IconVINCI Construction France
Location Icon

ACTEMIUM Design offers multidiscipline design expertise which enables us to deliver robust solutions to our customers on mission critical and strategically important projects. As part of VINCI Energies with a turnover of €14 billion, ACTEMIUM...Read More>>.

Posted: April 11th, 2026
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Senior Mechanical Engineer: Precision Lab Designer

Company IconOctagon Group
Location Icon

A global high-tech firm based in Buckinghamshire is seeking a Senior Mechanical Engineer to design and build precision instruments. The ideal candidate will have a degree in Mechanical Engineering and over 5 years of design experience in high-tech pr...Read More>>.

Posted: April 11th, 2026
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Lead Mechanical Engineer, Building Services (Hybrid)

Company IconWSP
Location Icon

A leading engineering firm in the UK seeks a Principal Mechanical Engineer to oversee high-profile projects. This role requires managing engineering teams, ensuring design specifications meet client expectations, and leading feasibility studies. Cand...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer — Building Services Lead

Company IconStantec Consulting International Ltd.
Location IconCity of Edinburgh

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join their Building Services team in Scotland. The role includes leading multidisciplinary projects, mentoring junior engineers, and developing sustainable desi...Read More>>.

Posted: April 17th, 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: April 17th, 2026
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Lead Mechanical Engineer - Water Infrastructure & Projects

Company IconStantec Consulting International Ltd.
Location IconExeter

A leading consulting firm is seeking a Principal Mechanical Engineer to join their team in Exeter. The role involves leading mechanical designs for vital infrastructure projects in the water sector and mentoring junior engineers. Candidates should ha...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer – Water Infrastructure | Flexible

Company IconStantec Consulting International Ltd.
Location Icon

A leading engineering consulting firm in the UK is seeking a Senior Mechanical Engineer to join their team in Scotland. You will lead mechanical design for infrastructure projects including water treatment plants and pumping stations. The ideal candi...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer – Infrastructure & Energy Projects

Company IconAldwych Consulting Ltd
Location IconBristol

A global engineering consultancy based in Bristol is seeking a Senior Mechanical Engineer to lead critical infrastructure projects. The ideal candidate will have Chartered Mechanical Engineer status and strong design delivery experience. Join a colla...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer - Nuclear Safety Substantiation

Company IconVINCI Construction France
Location Icon

A leading engineering company in the UK seeks a Senior / Principal Mechanical Engineer to author Mechanical Design Substantiation Reports for critical process systems. The role involves liaising with clients and technical stakeholders, requiring expe...Read More>>.

Posted: April 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: April 17th, 2026
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Lead Mechanical Engineer: Reactor/Electrolyser Hardware

Company IconJack & Jill/External ATS
Location IconLondon

A leading engineering firm in London is seeking a Senior Mechanical Engineer to take full ownership of design and manufacturing for critical systems like reactors and electrolysers. The ideal candidate has a minimum of 5 years in mechanical or aerosp...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer – Water Infrastructure Lead

Company IconMott MacDonald Bentley | MMB
Location IconManchester

A leading engineering consultancy is seeking a Senior Mechanical Engineer in Manchester to lead the mechanical design and contribute to major water and wastewater infrastructure projects. This role requires a degree in Mechanical Engineering and rele...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer – Water Infrastructure & Pumping

Company IconStantec Consulting International Ltd.
Location IconSouthampton

A leading consultancy in the water industry is seeking a Senior Mechanical Engineer to join their South of England Water team. You will lead the design of mechanical systems for infrastructure projects to ensure water security and environmental resil...Read More>>.

Posted: April 17th, 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: April 18th, 2026
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Senior Mechanical Engineer - Nuclear Decommissioning Lead

Company IconBabcock Mission Critical Services España SA.
Location IconCarlisle

A leading engineering firm is looking for a Senior Mechanical Engineer to lead mechanical engineering tasks on UK's nuclear decommissioning programme. This role offers hybrid working arrangements from various locations including Whitehaven and Warrin...Read More>>.

Posted: April 20th, 2026
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Senior Mechanical Engineer: Design, Delivery & Global

Company IconMatthew James Group Ltd
Location IconCamberley

A leading engineering company is seeking a Senior Mechanical Engineer in Camberley. This hands-on role involves project delivery from design to implementation, requiring a degree in Mechanical Engineering and experience in a manufacturing environment...Read More>>.

Posted: April 23rd, 2026
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Senior Mechanical Engineer – Rail HVAC & Piping

Company IconWSP in the UK & Ireland
Location IconLondon

WSP in the UK & Ireland is looking for a Mechanical Design Engineer in the Rail environment. The role involves interpreting client specifications and designing systems for pipework, ventilation, and heating, ensuring compliance with Network Rail stan...Read More>>.

Posted: April 27th, 2026
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Lead Mechanical Engineer - Water & Wastewater Systems

Company IconKier Group
Location Icon

Kier Group is seeking a Senior Mechanical Engineer for its Thames Water team based in East Hyde, Bedfordshire. This role involves leading the mechanical design process, ensuring project specifications are met, and managing client relationships. The i...Read More>>.

Posted: April 28th, 2026
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Senior Mechanical Engineer — Semiconductor Equipment (Hybrid)

Company IconEntech Technical Solutions Limited
Location Icon

Entech Technical Solutions Limited seeks a Senior Mechanical Engineer to work hybrid in Clevedon, UK. This role focuses on delivering best practices in mechanical engineering for semiconductor manufacturing equipment. Responsibilities include leading...Read More>>.

Posted: May 1st, 2026
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Senior Principal Mechanical Engineer - Defence (Hybrid)

Company IconNorthrop Grumman Corp. (JP)
Location IconLondon

Northrop Grumman Corp. (JP) is seeking a Senior Principal Mechanical Engineer in New Malden. This role involves leading the design and development of mechanical products within the Defence Operating Unit, influencing technical strategy and mentoring...Read More>>.

Posted: May 1st, 2026
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Senior Mechanical Engineer - Hybrid Bristol - Semiconductors

Company IconRoc Search Europe Limited
Location IconBristol

Roc Search Europe Limited is seeking a Senior Mechanical Engineer for a hybrid role in Bristol. In this position, you'll lead mechanical engineering across complex projects and ensure designs meet compliance and safety standards. Ideal candidates wil...Read More>>.

Posted: May 1st, 2026
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Water Infrastructure Mechanical Engineer: Pumps & Systems

Company IconStantec Consulting International Ltd.
Location Icon

Stantec Consulting International Ltd. is seeking a Mechanical Engineer in the UK to join its water teams. You will tackle critical infrastructure challenges in the water industry, focusing on projects like upgrading pumping stations and developing re...Read More>>.

Posted: May 3rd, 2026
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Principal Mechanical Engineer – Defence Systems Lead

Company IconEntech Technical Solutions Limited
Location IconLondon

Entech Technical Solutions Limited is seeking a Principal Mechanical Engineer in South West London to lead the engineering team for defense projects. The role requires significant experience in the defense, maritime, or aerospace sectors, strong know...Read More>>.

Posted: May 4th, 2026
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Data Center Mechanical Engineer - Critical Infra

Company IconAmazon Web Services (AWS)
Location IconDacorum

Amazon Web Services (AWS) is seeking a Critical Infrastructure Engineer to lead the execution of projects for data centers. You’ll work closely with various teams to ensure the highest standards in operational efficiency and safety. The ideal candi...Read More>>.

Posted: May 5th, 2026
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Senior Mechanical Engineer – Hybrid, Defence Infrastructure

Company IconBabcock Mission Critical Services España SA.
Location IconBristol

A leading defense contractor is seeking a Senior Mechanical Engineer in Bristol or Warrington. The role involves delivering complex engineering tasks within a multidisciplinary team for a vital Defense Nuclear infrastructure initiative. Candidates sh...Read More>>.

Posted: May 8th, 2026
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Senior Mechanical Engineer – Nuclear Decommissioning Lead

Company IconIgnite Talent Group
Location Icon

Ignite Talent Group is seeking an experienced Senior Mechanical Engineer in Warrington to lead the design of mechanical handling systems for nuclear decommissioning projects. This role requires proven mechanical design experience in regulated industr...Read More>>.

Posted: May 8th, 2026
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Lead Mechanical Engineer - Water & Wastewater Infra

Company IconiO Associates
Location Icon

iO Associates is seeking an Associate Director - Mechanical Engineering to lead impactful projects in the water industry. The successful candidate will provide technical and strategic leadership on large-scale water infrastructure programs while mana...Read More>>.

Posted: May 9th, 2026
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Senior Mechanical Engineer - Design & Calculations (Nuclear)

Company IconEnergy Jobline CVL
Location Icon

Assystem is seeking a Principal or Senior Mechanical Engineer in the United Kingdom, England. The successful candidate will manage technical documentation development, ensuring design compliance for mechanical and structural projects. Qualifications...Read More>>.

Posted: May 11th, 2026
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Senior Mechanical Engineer – Nuclear & Regulated (Hybrid)

Company IconRullion Engineering Cumbria
Location Icon

Rullion Engineering Cumbria is looking for a Mechanical Engineer for a permanent position based in Warrington or Abingdon. This hybrid role involves delivering technical engineering studies, supporting multidisciplinary teams, and producing technical...Read More>>.

Posted: May 11th, 2026
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Lead Mechanical Engineer – Nuclear and Regulated Systems

Company IconMillbank Holdings Limited
Location Icon

Millbank Holdings Limited, a leading engineering consultancy in the UK, seeks an experienced engineer for a role focused on delivering complex mechanical engineering solutions. The successful candidate will have a degree in Mechanical Engineering and...Read More>>.

Posted: May 12th, 2026
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Principal Mechanical Engineer - Hybrid Bids & Nuclear

Company IconCavendish Nuclear
Location Icon

Job Title: Principal Mechanical EngineerLocation: Warrington, Cheshire or Preston, Lancashire + Hybrid Working ArrangementsCompensation: Competitive Salary + Benefits...Read More>>.

Posted: May 13th, 2026
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Senior Mechanical Engineer - Water Treatment Systems

Company IconEnvirogen Technologies Inc.
Location Icon

Envirogen Technologies Inc. is looking for a Senior Mechanical Engineer on a contract basis to join their innovative team. This role focuses on designing and developing mechanical systems for water treatment solutions, ensuring project deliverables a...Read More>>.

Posted: May 13th, 2026
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Electro Mechanical Engineer – Rendlesham Rendlesham, Suffolk

Company IconRockford Components Ltd
Location Icon

AQ Wiring Systems Rockford is looking for a talented Electro‑Mechanical Engineer to join our growing engineering team. You will play a key role in designing, developing, and improving complex electro‑mechanical systems and products. Experie...Read More>>.

Posted: May 13th, 2026
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Senior Mechanical Engineer - Water Treatment (Contract)

Company IconEnvirogen Group UK Limited
Location Icon

Envirogen Group UK Limited is looking for a Senior Mechanical Engineer on a contract basis to join their engineering team in Alfreton, England. This role involves designing mechanical components for innovative water treatment solutions. Key responsib...Read More>>.

Posted: May 17th, 2026
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Principal Mechanical Engineer – Electric Machines & Thermal

Company IconACJ Search
Location Icon

ACJ Search is helping a Norfolk-based organization recruit a Principal Mechanical Engineer for a permanent role. This position involves leading the design and integration of electric machines, developing thermal management strategies, and owning key...Read More>>.

Posted: May 18th, 2026
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Senior Mechanical Engineer – Energy Transition (Remote)

Company IconAdvanced Resource Managers Ltd
Location IconLondon

Advanced Resource Managers Ltd is seeking a Principal Mechanical Engineer for a 6-month rolling contract to lead mechanical engineering activities within the Energy Transition team. The role involves delivering innovative energy projects while ensuri...Read More>>.

Posted: May 20th, 2026
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Senior Mechanical Engineer - Hybrid UK (Bristol)

Company IconAtlas Copco Airpower N.V.
Location IconBristol

Atlas Copco Airpower N.V. in Bristol is seeking an experienced Mechanical Engineer to lead the design and lifecycle support of mechanical modules. The role includes ensuring compliance with safety standards and delivering technical documentation....Read More>>.

Posted: May 20th, 2026
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Remote Principal Mechanical Engineer - Design & Projects

Company IconCobalt Energy Limited
Location Icon

Cobalt Energy Limited is seeking a full-time Mechanical Engineer to deliver core engineering resources for internal and external clients. This home-based role requires frequent travel to sites across the UK and involves leading the design and impleme...Read More>>.

Posted: May 21st, 2026
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Hybrid Principal Mechanical Engineer – Nuclear Solutions

Company IconJAM Recruitment Ltd
Location Icon

JAM Recruitment Ltd. is seeking a Principal Mechanical Engineer to join their team in Warrington, UK, on a hybrid basis. The role involves leading engineering activities, managing multi-discipline teams, and ensuring customer satisfaction through...Read More>>.

Posted: May 21st, 2026
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Senior Mechanical Engineer – Industrial Water Systems

Company IconEnergy Jobline CVL
Location IconSouth Derbyshire

Energy Jobline CVL is seeking a Senior Mechanical Engineer in the Industrial Water Sector. The role involves designing and developing mechanical components for water and wastewater treatment solutions, ensuring they contribute to environmental sus...Read More>>.

Posted: May 21st, 2026
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Electro-Mechanical Engineer: Training, Progression & Overtime

Company IconRise Technical Recruitment Limited
Location Icon

A leading recruitment agency is seeking an Electro-Mechanical Engineer in England. The role involves providing maintenance support in a state-of-the-art facility, offering excellent training and benefits. The ideal candidate will possess both electri...Read More>>.

Posted: May 23rd, 2026
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