Mechanical Design Engineer (OUTSIDE IR35)

Company IconCogito
Location IconWeymouth

Senior Mechanical Engineer (6 Month Contract)Cogito is excited to support our client in filling the above position immediately:Join a team where innovation is driving the digital world’s incredible poten...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Water & Wastewater Lead

Company IconMott MacDonald
Location IconManchester

A leading design and build firm in Manchester is looking for a Principal Mechanical Engineer to lead mechanical design on key water and wastewater projects. This role involves managing project teams, mentoring engineers, and ensuring design standards...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Client-Driven Leader

Company IconHoare Lea
Location IconManchester

A leading engineering consultancy located in Manchester is seeking a Principal Mechanical Engineer to deliver high-quality designs. The successful candidate will work within a multidisciplinary team, manage client relationships, and ensure project de...Read More>>.

Posted: May 23rd, 2026
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Senior Mechanical Engineer - Edinburgh | Hybrid Work

Company IconWallacewhittle
Location IconCity of Edinburgh

A leading provider of sustainable engineering services in Edinburgh seeks a Principal Mechanical Engineer to join their dynamic team. This role involves delivering projects on time using technical and financial expertise. The ideal candidate will pos...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer: Water Systems Leader

Company IconSTANTEC
Location IconCity of Edinburgh

A global engineering firm in the UK is seeking a Principal Mechanical Engineer passionate about creating sustainable solutions. The role involves leading mechanical design in the water sector, overseeing the full project life cycle from feasibility t...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Water Infrastructure Lead

Company IconEnergy Jobline ZR
Location IconManchester

Energy Jobline ZR is looking for a Principal Mechanical Engineer in Manchester, UK. This role involves leading design teams on significant water sector projects, ensuring compliance with UK design standards and legislation. Responsibilities include p...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Water Systems (Flexible)

Company IconStantec Consulting International Ltd.
Location IconAshford

A leading consultancy in water engineering is seeking a Principal Mechanical Engineer to lead design projects that enhance water security across the UK and Ireland. The role involves ownership of the entire asset lifecycle from feasibility studies to...Read More>>.

Posted: May 23rd, 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: May 23rd, 2026
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Senior/Principal Platform Systems Mechanical Engineer

Company IconTieTalent
Location IconGrange over Sands

Senior/Principal Platform Systems Mechanical EngineerJoin or sign in to find your next jobJoin to apply for the Senior/Principal Platform Systems Mechanical Engineer role at TieTalent...Read More>>.

Posted: May 23rd, 2026
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Lead Mechanical Engineer, Building Services (MEP)

Company IconStantec
Location IconHillington

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: May 23rd, 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: May 23rd, 2026
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Principal Mechanical Engineer – Data Center Solutions

Company IconAECOM
Location IconManchester

A leading global infrastructure consulting firm is seeking a Principal Mechanical Engineer to join their team in Manchester. In this strategic role, you will lead mechanical engineering projects related to data centre design and delivery. The ideal c...Read More>>.

Posted: May 23rd, 2026
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Hybrid Principal Mechanical Engineer – Nuclear Decommissioning

Company IconNuclearinst
Location IconEgremont

Nuclearinst is looking for a Principal Mechanical Engineer to oversee critical engineering tasks within major civil nuclear decommissioning programs. You will lead and mentor engineering teams, ensuring the delivery of quality solutions and compli...Read More>>.

Posted: May 23rd, 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 23rd, 2026
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Associate Director, Mechanical Engineering — Lead Projects

Company IconBimplus
Location IconLondon

A leading engineering firm in Greater London is seeking an experienced Associate Director – Mechanical Engineering to lead mechanical design and oversee complex projects across sectors such as advanced manufacturing and mixed-use developments. The...Read More>>.

Posted: May 23rd, 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: May 23rd, 2026
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Lead Mechanical Engineer, Water & Wastewater Projects

Company IconMott MacDonald
Location IconBristol

A leading engineering consultancy is seeking a Principal Mechanical Engineer in Bristol. This role necessitates a Chartered Mechanical Engineer with expertise in water and wastewater projects. Responsibilities include leading design, mentoring engine...Read More>>.

Posted: May 23rd, 2026
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Associate Director Mechanical Engineering in Cambridge, Cambridgeshire

Company IconEnergy Jobline CVL
Location IconCambridge

Location: Peterborough, Cambridge, London or SurreyYour roleThe role will offer a challenging and rewarding opportunity to apply knowledge, experience, and problem‑solving skills while providing opportunities for career develo...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer - Water Infrastructure Hybrid

Company IconSeeds Renewables
Location IconHillington

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 23rd, 2026
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Lead Mechanical Engineer – Nuclear & Critical Infra

Company IconMillbank Holdings Limited
Location Icon

Millbank Holdings Limited is seeking a Principal Mechanical Engineer in Abingdon, UK, to lead complex engineering solutions in highly regulated environments. The role involves delivering mechanical engineering studies, developing designs, and ment...Read More>>.

Posted: May 23rd, 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 23rd, 2026
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Principal Mechanical Engineer, Flood & Coastal Systems

Company IconStantec Consulting International Ltd.
Location IconBristol

A leading engineering consultancy is seeking a Principal Mechanical Engineer to join their Flood and Coastal MEICA team in Bristol or Cambridge. This role involves leading the technical delivery of mechanical design services on multi-disciplinary pro...Read More>>.

Posted: May 23rd, 2026
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Senior Mechanical Engineer -- Nuclear Energy & SMR

Company IconAmentum
Location Icon

Amentum is seeking a Principal Mechanical Engineer to join our Energy business in the UK. This role involves overseeing mechanical design solutions for various projects within the nuclear sector, with responsibilities including technical problem-solv...Read More>>.

Posted: May 23rd, 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 23rd, 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: May 23rd, 2026
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Senior Mechanical Engineer, Building Services - Hybrid

Company IconAECOM
Location IconCity of Edinburgh

A leading global infrastructure consulting firm in Edinburgh is seeking a Senior Mechanical Engineer. This role involves leading mechanical design delivery for mid-large projects and requires experience in Building Services design. The ideal candidat...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer — Energy & Waste Systems

Company IconStantec Consulting International Ltd.
Location Icon

A leading engineering consultancy in the UK seeks a Principal Mechanical Engineer to join their Energy & Resources team. In this role, you will manage projects throughout their life cycle, engaging in feasibility studies and collaborative design. Ide...Read More>>.

Posted: May 23rd, 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: May 23rd, 2026
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Principal Mechanical Engineer, Nuclear Decommissioning (Hybrid)

Company IconBabcock International Group
Location IconMoor Row

A leading engineering organization is seeking a Principal Mechanical Engineer for a pivotal role in a major civil nuclear decommissioning program. The position involves leading multidisciplinary teams, ensuring high-quality engineering outputs, and d...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Water Sector Leader

Company IconMatchtech
Location IconBirmingham

A leading engineering firm is seeking a Principal Mechanical Engineer to lead a team in the Water Sector, focusing on critical infrastructure projects. Responsibilities include managing design standards, preparing work scopes, and ensuring project ti...Read More>>.

Posted: May 23rd, 2026
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Lead Mechanical Engineer - Nuclear & Regulated Projects

Company IconMillbank Holdings
Location IconRisley

Millbank Holdings in Risley is looking for a Principal Mechanical Engineer to lead and deliver mechanical engineering studies across multiple project phases. The ideal candidate should be degree qualified in Mechanical Engineering with significant po...Read More>>.

Posted: May 23rd, 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: May 23rd, 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 23rd, 2026
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Lead Mechanical Engineer - Flood & Coastal MEICA

Company IconSTANTEC
Location IconBristol

A leading engineering firm in the UK is looking for a Principal Mechanical Engineer to join their Flood and Coastal MEICA team in Bristol or Cambridge. The successful candidate will lead technical delivery on multidisciplinary projects and oversee de...Read More>>.

Posted: May 23rd, 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: May 23rd, 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: May 23rd, 2026
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Lead Mechanical Engineer – Building Services (Birmingham)

Company IconCAP Resourcing LTD
Location IconBirmingham

A multidisciplinary consultancy in Birmingham is seeking a Principal/Associate Mechanical Engineer to take on a senior role in delivering innovative mechanical designs. The ideal candidate will have a strong background in building services, technical...Read More>>.

Posted: May 23rd, 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: May 23rd, 2026
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Principal Mechanical Engineer — Building Services Lead

Company IconStantec Consulting International Ltd.
Location IconHillington

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: May 23rd, 2026
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Principal Mechanical Engineer – Lead Major Projects

Company IconHoare Lea
Location IconManchester

Hoare Lea is seeking a Principal Mechanical Engineer to join their team in Manchester. In this role, you will support and deliver designs for a variety of projects in sectors like Residential and Healthcare. You will manage client relationships, lead...Read More>>.

Posted: May 23rd, 2026
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Impactful Principal Mechanical Engineer, Water & Wastewater

Company IconARCADIS
Location IconLondon

A leading consultancy in engineering is seeking a Principal Mechanical Design Engineer in Greater London. The role involves leading multidisciplinary teams on innovative water and wastewater projects, ensuring technical delivery and safety standards....Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer - Hybrid, Leadership & Impact

Company IconMorson Talent
Location IconBristol

Morson Talent is looking for a Principal Mechanical Engineer in Stoke Gifford, Bristol. This permanent full-time role involves maintaining engineering configurations and ensuring design integrity throughout the lifecycle. Responsibilities include pro...Read More>>.

Posted: May 23rd, 2026
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Lead Mechanical Engineer, Water Infrastructure (Hybrid)

Company IconAECOM
Location IconCardiff

A leading global infrastructure consulting firm is seeking a Principal Mechanical Engineer to join their Water Solutions team in the UK. This role will involve delivering major capital programs in the water sector, including both infrastructure and n...Read More>>.

Posted: May 23rd, 2026
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Senior Mechanical Engineer – Water & Utilities Leader

Company IconX4 Technology
Location IconBirmingham

X4 Technology is looking for a Principal Mechanical Engineer in Birmingham to deliver high-quality engineering solutions in the Utilities and Water sectors. This senior role demands strong mechanical design expertise, along with leadership and mentor...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer – Water Infrastructure Leader

Company IconSTANTEC
Location IconExeter

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join their team. The role involves leading mechanical design on major projects, managing project life cycles, and mentoring junior engineers. Ideal candidates w...Read More>>.

Posted: May 23rd, 2026
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Principal Mechanical Engineer — Hybrid, Leadership & Growth

Company IconBakerHicks
Location IconMotherwell

A leading engineering firm in the United Kingdom seeks a Principal Engineer for Mechanical Services. The role involves managing medium-sized projects, ensuring compliance with standards, and developing strong client relationships. The ideal candidate...Read More>>.

Posted: May 23rd, 2026
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Mechanical Design Engineer ( Engineering Manager)

Company IconCranmore Recruitment
Location IconDungannon

Wealthy Tyrone Machinery Manufacturer require a Senior Mechanical Design Engineer or Engineering Manager (65K-75K) to Manage a Design Division. You'll either currently be an Engineering Manager, or a Senior Mec...Read More>>.

Posted: May 13th, 2026
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Senior Mechanical Design Engineer - Development

Company IconCPW
Location IconBirmingham

Senior Design Engineer (Mechanical) We have an exciting opportunity for a Senior Mechanical Engineer to join us at CPW, based at either our Leicester and Nottingham office, or Birmingham office. This is a permanent, full-time position working 36.25...Read More>>.

Posted: May 23rd, 2026
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Mechanical Design Engineer, Cad, Solidworks

Company IconCPW
Location IconBirmingham

Senior Design Engineer (Mechanical) We have an exciting opportunity for a Senior Mechanical Engineer to join us at CPW, based at either our Leicester and Nottingham office, or Birmingham office. This is a permanent, full-time position working 36.25...Read More>>.

Posted: May 23rd, 2026
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Mechanical Design Engineer (Solidworks / Fabrication)

Company IconTalentometry
Location IconSheffield

Job | Mechanical Design Engineer Company | Global Engineering Solutions Business Tech | Bulk Material Handling Solutions – heavy loads Tools | Solidworks, PDM, FEA Development | Various different pathways Location | Hybrid - South Yor...Read More>>.

Posted: May 23rd, 2026
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