Senior Mechanical Engineer – Nuclear Systems & Impact

Company IconDBD International
Location IconWarrington

A leading engineering firm in the UK is seeking an experienced mechanical engineering professional. You will be responsible for delivering complex designs and solutions while providing guidance and support to junior engineers. Ideal candidates will h...Read More>>.

Posted: January 22nd, 2026
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Lead Mechanical Engineer: Design Liaison & Manufacturing

Company IconQuest Global
Location IconChester

A leading engineering services provider in Chester is looking for a Design Liaison professional. This role involves preparation of Standard Operating Instructions, conducting design investigations, and coordination with customer teams. The ideal cand...Read More>>.

Posted: March 25th, 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/Senior Mechanical Engineer (Critical Systems)

Company IconRamboll
Location IconSouthampton

Principal/Senior Mechanical Engineer (Critical Systems) Southampton We invite you to bring your expertise and enthusiasm into play as you contribute to innovative and high-quality design solutions. To succeed in this role, you...Read More>>.

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

Company Iconameygroupi
Location IconBirmingham

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join its team in Birmingham. As a key figure in the Consulting Built Environment group, you will lead multiple projects in Building Services design, ensure tech...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer, Water Solutions (Hybrid)

Company IconAECOM
Location IconCroydon

A global engineering firm is seeking a Principal Mechanical Engineer to join their Water Solutions team in Croydon. This role focuses on delivering significant investment programs in water utility infrastructure. Responsibilities include managing des...Read More>>.

Posted: April 17th, 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: April 17th, 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: April 17th, 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: April 17th, 2026
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Water Principal Mechanical Engineer — Design Innovation

Company IconSweco
Location IconPeterborough

A leading engineering consultancy in Peterborough is seeking a Principal Mechanical Engineer to lead the technical delivery of water solutions. Responsibilities include ensuring compliance and safety, mentoring junior engineers, and driving innovatio...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer - Building Services (Hybrid)

Company IconWSP
Location IconBasingstoke

A leading engineering firm is looking for a principal mechanical engineer to join their team in Basingstoke, where you will lead on prestigious projects. You'll provide design and technical advice while also supervising engineering teams. The role re...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer, Building Services (Hybrid)

Company IconWSP
Location IconGuildford

A leading engineering firm in the UK is seeking a Principal Mechanical Engineer who will manage prestigious projects and lead a team of engineers. The successful candidate will possess strong UK mechanical building services design knowledge, expertis...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer - Data Centre Projects

Company IconAECOM
Location IconBelfast

A global consulting firm based in the UK is seeking a Principal Mechanical Engineer specializing in data centre design. The role involves leading technical teams and delivering complex projects while contributing to thought leadership and strategic g...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer, Data Centres (Hybrid)

Company IconAECOM
Location IconManchester

A leading global engineering firm in Manchester is seeking a Principal Mechanical Engineer to specialize in data centre design and delivery. The successful candidate will lead projects, collaborate with multidisciplinary teams, and contribute to stra...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer - Waste & Generation (Energy)

Company IconStantec
Location IconNewcastle upon Tyne

OverviewThe OpportunityThe 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...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer, Building Services (MEP)

Company IconStantec
Location IconGlasgow

A leading engineering consultancy in Scotland is recruiting a Principal Mechanical Engineer to lead multidisciplinary projects within their Building Services (MEP) team. This role involves engaging with clients to achieve project goals, overseeing me...Read More>>.

Posted: April 17th, 2026
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Principal Mechanical Engineer: Critical Systems Leader

Company IconRamboll
Location IconLeeds

A leading global engineering firm in the United Kingdom is looking for a Principal Mechanical Engineer to manage innovative projects and deliver sustainable solutions. You will work within a supportive team, managing your own projects, focusing on pr...Read More>>.

Posted: April 17th, 2026
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Senior MEP Mechanical Engineer – Buildings (Lead)

Company IconStantec
Location IconLeeds

A leading engineering firm in the United Kingdom is seeking a motivated design engineer for their Northeast and Yorkshire Buildings MEP team. This role involves leading project teams, collaborating with clients, and ensuring quality assurance through...Read More>>.

Posted: April 17th, 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: April 17th, 2026
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Senior Mechanical Engineer - Water Treatment & Systems

Company IconMatchtech
Location IconEast Midlands

A leading engineering company in the UK is seeking a Senior Mechanical Engineer to design and develop mechanical solutions for innovative water treatment technologies. You will play a crucial role in managing technical aspects of projects, ensuring d...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer - Water & Infrastructure Leader

Company IconAtkinsRéalis
Location IconEpsom

A leading engineering firm based in the UK is searching for a Senior/Principal Mechanical Engineer to join their Design & Advanced Technology team. This role requires strong leadership and problem-solving skills while working on iconic projects withi...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer — Building Services (Flexible)

Company IconGleeds
Location IconEast Midlands

A global property and construction consultancy is seeking a Senior Mechanical Engineer to join their Building Services team in the East Midlands. This dynamic role supports the Building Surveying department through project design, inspections, and cl...Read More>>.

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

Company IconStantec
Location IconNewcastle upon Tyne

A leading consulting firm in Newcastle upon Tyne seeks a Senior Principal Mechanical Engineer to lead mechanical design for large-scale water infrastructure projects. The role involves managing teams, mentoring engineers, and ensuring efficient proje...Read More>>.

Posted: April 20th, 2026
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Senior Mechanical Engineer – Marine Systems & DFMA

Company IconSpot
Location IconSouthampton

A leading clean shipping technology company in Southampton is seeking a Senior Mechanical Engineer / Design Engineer. This role focuses on designing robust, production-ready assemblies for innovative maritime hardware. The ideal candidate will have a...Read More>>.

Posted: April 20th, 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: April 22nd, 2026
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Senior Mechanical Engineer, Building Services (Hybrid)

Company IconRGB Recruitment
Location IconNadderwater

RGB Recruitment is seeking a Senior / Principal Mechanical Engineer for a Building Services (MEP) consultancy in Exeter. This role involves delivering mechanical building services design for various projects, interacting with clients, and mentoring j...Read More>>.

Posted: April 28th, 2026
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Lead Mechanical Engineer, HVDC Valve Converters

Company IconGE Vernova
Location IconCreswell

GE Vernova in Creswell, UK, is seeking a Valve Converter Mechanical Team Lead to oversee engineering activities related to HVDC applications. The candidate will manage the engineering team, ensuring quality delivery of technical documentation, while...Read More>>.

Posted: April 28th, 2026
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Valve Converter Mechanical Engineering Team Leader

Company IconGE Vernova
Location IconCreswell

Job Description Summary As Valve Converter Mechanical Team Lead, you will report to the Head of Valve Converter Engineering within the HVDC Valve Converter Engineering function. The successful candidate will be part of a highly motivat...Read More>>.

Posted: April 28th, 2026
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Senior Mechanical Engineer Lead - Healthcare & Education

Company IconAECOM
Location IconBristol

AECOM is seeking an Associate Director in Mechanical Engineering to join their South West MEP team. The role offers a hybrid work model and involves managing healthcare, education, and defence projects. The ideal candidate will have extensive experie...Read More>>.

Posted: April 30th, 2026
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Principal Mechanical Engineer - Water Infrastructure Hybrid

Company IconSeeds Renewables
Location IconGlasgow

AECOM is seeking a Principal Mechanical Engineer in Scotland with hybrid work options. This role entails leading design activities for water and wastewater infrastructure projects. Responsibilities include preparing feasibility studies, collaborating...Read More>>.

Posted: May 2nd, 2026
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Mechanical Engineer, Structural Analysis, Aerospace, COR7519

Company IconCorriculo
Location IconHarwell

Mechanical Engineer, Structural Analysis, Aerospace, COR7519 This is a fantastic opportunity for an experienced Mechanical Engineer, with expertise in structural and/or thermal analysis, to join a highly-successful company at the foref...Read More>>.

Posted: May 6th, 2026
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Principal Mechanical Engineer - Water Infra (Hybrid)

Company IconAECO
Location IconGlasgow

AECOM is looking for a Principal Mechanical Engineer to join their Water Team in Glasgow, Scotland. The role involves leading engineering design for significant water and wastewater projects, preparing feasibility studies, and collaborating with vari...Read More>>.

Posted: May 7th, 2026
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Lead Mechanical Engineer – Water & Infrastructure (Hybrid)

Company IconAtkinsRéalis
Location IconEpsom

A leading engineering services firm is seeking an Associate Director Mechanical Engineer in Epsom to lead multi-disciplinary projects and ensure high-quality design deliverables. You'll manage a team of engineers, apply your extensive mechanical desi...Read More>>.

Posted: May 7th, 2026
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Senior Principal Mechanical Engineer - Lead Design

Company IconAssystem
Location IconEast Midlands

Assystem in the East Midlands is seeking a Senior Principal Mechanical Engineer for their Fusion and Modular Nuclear Business Unit. The role involves leading design developments for critical systems including personnel airlocks and cooling water syst...Read More>>.

Posted: May 7th, 2026
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Field Mechanical Engineer – Critical Data Centers

Company IconAmazon
Location IconHemel Hempstead

Amazon in Hemel Hempstead is seeking a Critical Infrastructure Mechanical Engineer to provide full life-cycle support to AWS Data Centers. This role involves engaging with diverse teams, troubleshooting failures, and owning design solutions for data...Read More>>.

Posted: May 7th, 2026
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Senior Mechanical Engineer, Water Projects (Hybrid)

Company IconAECO
Location IconGlasgow

AECO is seeking a Senior Mechanical Engineer for its Water Team in Glasgow. The role involves preparing feasibility studies, producing design drawings, and collaborating with multidisciplinary teams. Candidates must hold a degree in Mechanical Engine...Read More>>.

Posted: May 7th, 2026
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Senior Nuclear Mechanical Engineer – Innovation & Safety

Company IconASSYSTEM
Location IconEast Midlands

ASSYSTEM is looking for a Senior Mechanical Engineer to join their team in Derby, UK. The role requires a minimum of five years of experience in the nuclear sector and understanding of mechanical design and safety requirements. Key responsibilities i...Read More>>.

Posted: May 9th, 2026
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Senior Mechanical Engineer – Hybrid Design & Delivery

Company IconCibsejournal
Location IconManchester

Cibsejournal is seeking a Senior Mechanical Engineer in Manchester to join their expanding MEP design team. This role involves delivering high-quality mechanical design solutions across projects, with a focus on coordination and compliance. Candidate...Read More>>.

Posted: May 11th, 2026
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Lead Nuclear Mechanical Engineer (Flexible Hours)

Company IconAmentum
Location IconRisley

An engineering services provider in the UK is seeking a Principal Mechanical Engineer to manage and deliver mechanical design solutions for various nuclear projects. This role involves engaging with stakeholders, ensuring design compliance, and suppo...Read More>>.

Posted: May 15th, 2026
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Principal Mechanical Engineer - Nuclear Decommissioning Leader

Company IconweServed
Location IconWarrington

weServed is seeking a Principal Mechanical Engineer in the UK. The role involves leading multidisciplinary teams on a major nuclear decommissioning project, ensuring compliance, and delivering innovative solutions. Candidates should have extensive ex...Read More>>.

Posted: May 16th, 2026
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Senior Mechanical Engineer - Nuclear Decommissioning Lead

Company IconNuclearinst
Location IconPreston

Cavendish Nuclear is seeking a Senior Mechanical Engineer for a full-time, permanent position based in the UK. The successful candidate will contribute to a major civil nuclear decommissioning program, leading complex mechanical engineering tasks whi...Read More>>.

Posted: May 17th, 2026
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Senior Mechanical Engineer (m/f/d)

Company IconMolex
Location IconCumbernauld

The Electronic Systems business unit is a segment of Molex's Aerospace & Defense Solutions division. With primary locations in California, New Hampshire, Pennsylvania USA and Cumbernauld UK, we design and manufacture high performance mission cr...Read More>>.

Posted: May 17th, 2026
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Principal Electro-Mechanical Engineer - Electric Motors

Company IconARCA
Location IconNorwich

ARCA is seeking a Principal Electro-Mechanical Engineer in Norwich, UK, to lead the development of advanced electric motor technology. The role involves ownership of mechanical and thermal design and requires proven expertise in electric machine desi...Read More>>.

Posted: May 18th, 2026
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Principal Mechanical Engineer — Precision Systems Lead

Company IconAMETEK
Location IconLeicester

AMETEK is looking for a Principal Mechanical Engineer to join Taylor Hobson in Leicester. This role involves leading mechanical designs from concept to production while mentoring a small, skilled team. You'll tackle complex engineering challenges...Read More>>.

Posted: May 20th, 2026
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Senior Mechanical Engineer - NPI Leader (Hybrid)

Company IconRandstad Engineering
Location IconBristol

Randstad Engineering is seeking a Senior Mechanical Engineer specializing in New Product Introduction (NPI) in the Bristol area. This role involves driving high-quality mechanical design for advanced manufacturing technology while mentoring junior...Read More>>.

Posted: May 21st, 2026
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Senior Mechanical Engineer – Hybrid Water Infrastructure

Company IconBALFOUR BEATTY
Location IconPeterborough

About the role Senior Mechanical Engineer - Balfour Beatty (@one Alliance) Location: Peterborough/ Hybrid (2–3 days on site/with stakeholders) Balfour Beatty is part of Anglian Water’s one Alliance, a co...Read More>>.

Posted: May 26th, 2026
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Senior Mechanical Engineer – Building Services Lead

Company IconCarrington West
Location IconMaidstone

Carrington West is seeking a Senior Mechanical Engineer to join their Maidstone office. In this role, you will lead the design and delivery of mechanical building services projects, collaborating with clients and managing project teams across vari...Read More>>.

Posted: May 26th, 2026
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Senior Mechanical Engineer - Water Projects (Hybrid)

Company IconAECOM
Location IconInverness

Senior Mechanical Engineer, Water Projects Full-time State/Province: Glasgow City Business Group: DCS Legal Entity: AECOM Limited Business Line: Water Work Location Model: Hybrid...Read More>>.

Posted: May 26th, 2026
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Healthcare Maintenance Mechanical Engineer (24/7)

Company IconPPM Recruitment
Location IconMorley

Maintenance Mechanical Engineer - Leeds LS1 A Maintenance Mechanical Engineer is required for a static site role in Leeds (LS1), working within a healthcare environment. This is a long-term position with opportunities for p...Read More>>.

Posted: May 27th, 2026
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Principal Mechanical Engineer- Operational Assets - (2042)

Company IconHoare Lea
Location IconBirmingham

Principal Mechanical Engineer- Operational Assets - (2042) Location Travel Job Type Full Time Category Mechanical Engineering Job Description Principal Mechanical Engineer....Read More>>.

Posted: May 30th, 2026
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