Senior Mechanical Engineering Director — Water Infrastructure

Company IconAldwych Consulting Ltd
Location IconLondon

A leading consultancy in engineering is seeking an experienced Associate Director in Mechanical Engineering for their London team. This role involves leading design teams, ensuring quality compliance, and delivering solutions that impact critical UK...Read More>>.

Posted: June 6th, 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: June 6th, 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: June 6th, 2026
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Principal Mechanical Engineer, Water Systems & Design

Company IconStantec Consulting International Ltd.
Location Icon

A leading engineering consultancy in the UK seeks a Principal Mechanical Engineer to lead mechanical system design for the water industry. Based in Brighton, this role involves overseeing projects from initial feasibility through to detailed design a...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Nuclear Mechanical Engineering Lead – Onsite UK

Company IconAssystem GmbH
Location IconWhitehaven

A leading engineering company in Whitehaven, UK, is seeking a Principal Mechanical Engineer with strong nuclear sector experience. The role includes managing engineering requirements, mentoring team members, and ensuring compliance with standards. Ca...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer - Water Infrastructure (Hybrid)

Company IconAECOM
Location IconGlasgow

AECOM in Glasgow is looking for a Principal Mechanical Engineer to join their dynamic Water Team. You will prepare designs and support all aspects of mechanical engineering for significant projects such as the transformational Scottish Water SR27 ini...Read More>>.

Posted: June 6th, 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: June 6th, 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: June 6th, 2026
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Principal Mechanical Engineer - Waste & Generation (Energy)

Company IconStantec Consulting International Ltd.
Location IconBirmingham

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: June 6th, 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: June 6th, 2026
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Senior Mechanical Engineer: Waste & Energy Systems

Company IconStantec Consulting International Ltd.
Location IconManchester

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to join their Energy & Resources team. This role involves working on diverse energy projects such as EfW plants and hydrogen generation, overseeing project life cy...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Lead Mechanical Engineer – Water and Wastewater Systems

Company IconAdvance TRS
Location IconRhyl

A leading engineering consultancy is looking for a Principal Mechanical Engineer in Rhyl, UK. This key role involves providing strategic leadership in the design of mechanical systems for water and wastewater projects. The ideal candidate has a degre...Read More>>.

Posted: June 6th, 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: June 6th, 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: June 6th, 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: June 6th, 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: June 6th, 2026
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Principal Mechanical Engineer - Water & Wastewater AMP8

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 36,000 people, in over 70 countries, dedicated to improving quality of life. Everyone...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Lead Mechanical Engineer Building Services & Sustainability

Company IconWSP in the UK & Ireland
Location IconBasingstoke

A leading engineering consultancy is seeking a Principal Mechanical Engineer in Basingstoke. In this role, you will lead key projects, manage a team, and ensure efficient project delivery. You should have extensive knowledge of UK mechanical building...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Water Infrastructure Lead

Company IconStantec
Location Icon

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to lead mechanical systems design for water security and environmental resilience. This role involves conducting site surveys, managing project details throughout...Read More>>.

Posted: June 6th, 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: June 6th, 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: June 6th, 2026
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Senior Mechanical Engineer, Robotics & Automation (Hybrid)

Company IconHunter Savage
Location IconNorthern Ireland

A leading automation specialist in Derry/Londonderry is seeking a Senior Mechanical Engineer to lead complex mechanical design projects. You'll design custom machinery and automation systems, utilizing SolidWorks, and collaborate with a high-tech eng...Read More>>.

Posted: June 6th, 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: June 6th, 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: June 6th, 2026
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Principal Mechanical Engineer - Water & Wastewater Lead

Company IconAECO
Location IconPerth

Principal Mechanical Engineer Location UK - Glasgow - 177 Bothwell Street Responsibilities Prepare feasibility studies, outline design, detailed design and construction support Produce plant...Read More>>.

Posted: June 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: June 6th, 2026
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Principal Mechanical Engineer – Lead Building Services

Company IconWaterman Group
Location IconManchester

A leading engineering consultancy in Manchester is seeking a Principal Mechanical Engineer to lead mechanical design solutions across diverse projects. As a key leader, you will mentor junior engineers and ensure the delivery of high-quality projects...Read More>>.

Posted: June 6th, 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: June 7th, 2026
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Lead Mechanical Engineer, Water Sector (Hybrid)

Company IconAdvance Training & Recruitment Services
Location Icon

Advance Training & Recruitment Services is seeking a Principal Mechanical Engineer in St Albans. This hybrid role allows you to lead mechanical design for water projects within a new London unit. You will mentor junior engineers and coordinate des...Read More>>.

Posted: June 8th, 2026
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Principal/Associate Mechanical Engineer - Operational Assets

Company IconCibsejournal
Location IconBirmingham

Client: The client is a human-centric and planet-conscious engineering consultancy, delivering intelligent and sustainable solutions to complex design challenges across the built environment, throughout the UK and internationally....Read More>>.

Posted: June 13th, 2026
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Principal Mechanical Engineer – Water & Wastewater, Remote

Company IconAqua Consultants
Location IconNottingham

Aqua Consultants in the United Kingdom is seeking an individual with a strong understanding of water and sewage treatment processes. The role focuses on delivering technically excellent projects while working closely with clients.Candidates...Read More>>.

Posted: June 13th, 2026
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Principal Mechanical Engineer, Water Infrastructure (Hybrid)

Company IconAECO
Location IconCardiff

AECO is seeking a Principal Mechanical Engineer to join their water sector team in Cardiff and Bristol. This role involves delivering major capital programmes and working across various projects in the water industry.The successful candidat...Read More>>.

Posted: June 14th, 2026
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Lead Mechanical Engineer - Equipment & Technology (Hybrid)

Company IconHR Wallingford
Location IconGreater Manchester

HR Wallingford seeks an experienced Principal Engineer for leading projects involving mechanical solutions. This role encompasses collaboration with electrical and software teams to deliver high-quality solutions. The candidate should possess a st...Read More>>.

Posted: June 14th, 2026
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Principal Mechanical Engineer: Lead, Mentor & Innovate

Company IconThe Collective Network
Location IconCambridge

The Collective Network is looking for a Principal Mechanical Engineer based in Cambridge, England. This role involves leading the mechanical design strategy and making key technical decisions on diverse engineering projects.The successful c...Read More>>.

Posted: June 14th, 2026
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Principal Mechanical Engineer: Naval Refits Lead

Company IconweServed
Location IconPlymouth

weServed is looking for a Principal Mechanical Engineer based in Plymouth, with hybrid working arrangements. You will lead a team in the design and delivery of bespoke mechanical equipment, impacting engineering excellence.Ideal candidates...Read More>>.

Posted: June 16th, 2026
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Senior Mechanical Engineer - Nuclear Decommissioning (Hybrid)

Company IconweServed
Location IconEgremont

weServed is seeking a Principal Mechanical Engineer to lead multidisciplinary engineering teams in the nuclear decommissioning sector. This pivotal role involves overseeing high-integrity technical outputs and championing engineering best practice...Read More>>.

Posted: June 25th, 2026
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Principal Mechanical Engineer - Equipment & Tech (Hybrid)

Company IconHR Wallingford
Location IconWallingford

HR Wallingford is seeking a Principal Mechanical Engineer in Wallingford, UK, to act as a technical lead and deliver world-class engineering solutions. Candidates should have a degree in mechanical engineering and experience with linear motion sys...Read More>>.

Posted: June 25th, 2026
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Senior Mechanical Engineer, Nuclear & Fusion Systems

Company IconASSYSTEM
Location Icon

ASSYSTEM seeks a Principal Engineer to lead Front Engineering activities for Small Modular Reactors and Fusion projects in the UK. You will spearhead the delivery of cutting-edge systems, ensuring precision through leadership of a dynamic engineer...Read More>>.

Posted: June 19th, 2026
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Regional Sales Lead, Mechanical Engineering Solutions

Company IconNewton Colmore Consulting
Location IconWinchester

Newton Colmore Consulting is seeking an experienced Regional Sales Manager for the South Coast territory. This role involves managing existing accounts while securing new business within the mechanical engineering services sector.Located id...Read More>>.

Posted: June 20th, 2026
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Lead Mechanical Engineer - Water & Wastewater Systems

Company IconMott MacDonald
Location IconExeter

Mott MacDonald in Exeter seeks a Principal Mechanical Engineer to lead essential projects in the UK water market, enhancing water and wastewater systems. Responsibilities include overseeing designs, providing expert guidance, mentoring engineers,...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Engineer – Water & Wastewater (Hybrid)

Company IconMott MacDonald
Location IconGlasgow

Mott MacDonald in Glasgow is hiring a Senior Mechanical Engineer to lead mechanical designs for water and wastewater projects. You will engage collaboratively with project teams and clients, ensuring efficiency and quality in deliverables.T...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer - Hybrid Leadership in Design

Company IconBalfour Beatty plc
Location IconPeterborough

Balfour Beatty plc is seeking a Senior Mechanical Engineer to lead mechanical designs, ensuring compliance and performance excellence. The role is based in Peterborough with a hybrid working model including up to 40% remote working.Responsi...Read More>>.

Posted: June 24th, 2026
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Senior MEICA Mechanical Engineer – Water Projects

Company IconMOTT MACDONALD
Location IconLondon

MOTT MACDONALD is seeking a talented Senior Mechanical Engineer to join their Water Consultancy Division in the UK. The role involves managing the MEICA design and providing leadership on various water projects.The ideal candidate must be a...Read More>>.

Posted: June 24th, 2026
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Senior / Principal Mechanical Engineer (Data Centres)

Company IconArup
Location IconLondon

Joining ArupArup’s purpose, shared values and collaborative approach have set us apart for 80 years, guiding how we shape a better world.Our culture encourages innovation, personal growth and knowledge sharing, supported b...Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer — Building Services Lead

Company IconCibsejournal
Location IconCroydon

Cibsejournal is hiring a Senior Mechanical Engineer in Croydon to lead mechanical services design and delivery across various projects. The successful candidate will provide technical expertise, manage projects, and mentor junior engineers....Read More>>.

Posted: June 24th, 2026
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Senior Mechanical Engineer — Lead, Residential & Commercial

Company IconAztrum
Location IconBirmingham

Aztrum is searching for a Senior Mechanical Engineer to join their team in Birmingham or London. This role invites ambitious engineers to take the lead across a varied portfolio of residential and commercial projects. Successful candidates will pr...Read More>>.

Posted: June 24th, 2026
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