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: April 11th, 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: April 11th, 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: April 11th, 2026
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Senior Mechanical Engineer — Water Infrastructure Leader

Company IconMott MacDonald
Location IconPeterborough

A leading engineering consultancy in the UK is seeking a Senior Mechanical Engineer to join their team and lead innovative water solution projects. You will ensure compliance and safety in mechanical designs, mentor junior engineers, and drive sustai...Read More>>.

Posted: April 11th, 2026
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Senior Mechanical Engineer - Building Services Lead

Company IconEnergi People
Location IconManchester

A leading engineering consultancy in Manchester is seeking a Principal Mechanical Engineer to oversee high-profile building services projects in the commercial, residential, and public sectors. This senior position will focus on technical leadership,...Read More>>.

Posted: April 11th, 2026
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Principal Mechanical Engineer - Water & Wastewater AMP8

Company IconARCADIS
Location IconBristol

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. Ever...Read More>>.

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

Company IconWaterman Group
Location IconManchester

A leading engineering consultancy is seeking a Principal Mechanical Engineer to join their Building Services team in Manchester. This role involves leading mechanical design projects, mentoring junior engineers, and ensuring technical excellence acro...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer – Scotland (Glasgow/Edinburgh)

Company IconHoare Lea
Location IconGlasgow

A leading engineering consultancy in Scotland seeks a Principal Mechanical Engineer to join their team. The role can be based in Glasgow or Edinburgh, involving the management of large-scale projects and fostering client relationships. Candidates sho...Read More>>.

Posted: April 17th, 2026
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Lead Mechanical Engineer, Water & Wastewater Systems

Company IconARCADIS
Location IconBristol

A leading global consultancy in the UK is seeking a Principal Mechanical Design Engineer for exciting projects in water and wastewater. The role involves leading design teams, ensuring project quality and safety, and fostering client relationships. T...Read More>>.

Posted: April 17th, 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: April 17th, 2026
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Lead Mechanical Engineer – Water Sector (Hybrid)

Company IconESL UK
Location IconManchester

A growing engineering consultancy in Manchester is seeking an experienced Principal Mechanical Engineer to lead multidisciplinary design in the water sector. You will guide and mentor engineers while ensuring high-quality, compliant mechanical design...Read More>>.

Posted: April 17th, 2026
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Associate / Associate Director - Mechanical Engineering - Leeds

Company IconTetra Tech
Location IconLeeds

Are you an experienced Mechanical Building Services professional ready to lead major projects and shape the future of sustainable building design? At Tetra Tech, you’ll work alongside multidisciplinary experts delivering innovative engineerin...Read More>>.

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

Company IconBaily Garner
Location IconBirmingham

A multidisciplinary construction consultancy in Birmingham is looking for a Senior Mechanical Engineer to lead the technical delivery of mechanical outputs. The role involves overseeing junior engineers, ensuring compliance with standards, and collab...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer – Building Sustainability Lead

Company IconRamboll
Location IconLondon

A leading engineering consultancy in the UK is seeking a Senior Mechanical Engineer to join their Building Services team. In this role, you'll manage project work, undertake detailed designs, and enhance client relationships. Candidates should posses...Read More>>.

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

Company IconJN Bentley
Location IconManchester

A leading engineering firm seeks a Senior Mechanical Engineer in Manchester. In this vital role, you'll manage mechanical installations on various projects, ensuring safety and quality throughout. You should have a relevant degree in mechanical engin...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer - Lead Client Projects

Company IconHoare Lea
Location IconBirmingham

A leading engineering consultancy in Birmingham seeks a Senior Associate Mechanical Engineer to deliver high quality, sustainable mechanical engineering solutions across diverse projects in the built environment. This senior-level position involves c...Read More>>.

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

Company IconSnc-Lavalin
Location IconManchester

A global engineering services firm in the UK is seeking an experienced Senior/Principal Mechanical Engineer. This role involves coordinating a multi-disciplinary team for technical design work on key infrastructure projects, adhering to national desi...Read More>>.

Posted: April 17th, 2026
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Senior Nuclear Mechanical Engineer: Replication & Integration

Company IconAssystem GmbH
Location IconBridgwater

A global engineering firm in Bridgwater seeks a Senior Mechanical Engineer focusing on replication and integration in nuclear projects. The role includes coordinating Mechanical, Piping, and HVAC work within configuration management systems, developi...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineer - FEED/EPC, Hybrid

Company IconKent Plc
Location IconWoking

A leading energy solutions company in Woking is seeking a Senior Mechanical Engineer to join their forward-thinking team. This role involves managing mechanical engineering tasks in FEED and EPC projects, working closely with project management and e...Read More>>.

Posted: April 17th, 2026
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Senior Mechanical Engineering Lead Design to Validation

Company IconYSI Incorporated
Location IconCambridge

A leading global water solutions company is seeking a Principal Mechanical Engineer to lead a team in developing sustainable water solutions. The role requires extensive mechanical engineering experience, particularly with 3D CAD software. You will e...Read More>>.

Posted: April 19th, 2026
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Lead Mechanical Engineer, Data Centre Systems

Company IconARUP
Location IconBristol

A global design consultancy is seeking a Principal Mechanical Engineer in Bristol to lead mechanical designs within their data centre sector. The role involves guiding projects from initial brief to completion, mentoring team members, and working clo...Read More>>.

Posted: April 20th, 2026
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Senior Mechanical Engineer – Nuclear Decommissioning Lead

Company IconBabcock International
Location IconCarlisle

A leading engineering firm in the UK is seeking a Senior Mechanical Engineer to play a vital role in major civil nuclear decommissioning programmes. You will deliver complex mechanical engineering tasks, guiding junior engineers and ensuring complian...Read More>>.

Posted: April 20th, 2026
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Senior Mechanical Engineer – Building Services & Mentorship

Company IconNicholas Associates
Location IconBirmingham

A growing building design consultancy in Birmingham seeks a Principal Mechanical Engineer to lead MEP projects across various sectors. Responsibilities include coordinating with teams, supporting project delivery, and mentoring juniors while ensuring...Read More>>.

Posted: April 20th, 2026
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Senior Mechanical Engineering Lead Design to Validation

Company IconXylem Inc.
Location IconCambridge

A global water solutions company is seeking a Principal Mechanical Engineer to lead a mechanical engineering team on innovative projects. The ideal candidate will have over 10 years of experience in mechanical engineering, strong 3D CAD skills, and h...Read More>>.

Posted: April 21st, 2026
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Senior Mechanical Engineer (Perm or Contract)

Company IconJAB Recruitment
Location IconScotland

Technical execution and delivery of projects using technical expertise and experience in engineering, design and any validated associated software. Accountability, roles and responsibilities The post holder will...Read More>>.

Posted: April 28th, 2026
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Mechanical Engineer / Senior Engineer - Building Services

Company IconWSP
Location Icon

Responsibilities Have a proven track record in delivering projects for your discipline and in line with client expectations. Take responsibility for and direct others in the production of detailed and performance specifi...Read More>>.

Posted: May 1st, 2026
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Water Industry Mechanical Engineer — Flexible Hybrid

Company IconStantec
Location IconLondon

Stantec is seeking a Mechanical Engineer in the UK to engage in significant water infrastructure projects. Applicants should have a degree in Mechanical Engineering, with demonstrated experience in pumps and pressure systems. The role offers flexible...Read More>>.

Posted: May 6th, 2026
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Senior Mechanical Engineer - Nuclear & Defense (Hybrid)

Company IconAssystem GmbH
Location IconNewcastle upon Tyne

Assystem GmbH is seeking a Senior Mechanical Engineer in Newcastle upon Tyne. This permanent role involves managing the development and review of technical documentation within a highly regulated environment. Candidates should possess a BEng in Mecha...Read More>>.

Posted: May 9th, 2026
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Lead Mechanical Engineer – Rail Stations Design

Company IconWSP
Location IconLondon

WSP is seeking an Engineer/Senior Mechanical Engineer based in London, specializing in Rail Stations. The successful candidate will have experience in mechanical design, particularly in the Rail environment, and must hold qualifications for Chartersh...Read More>>.

Posted: May 10th, 2026
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Senior Mechanical Engineer - Nuclear Area Integration

Company IconAssystem GmbH
Location IconBridgwater

Our Vacancy# Senior Mechanical Engineer – Nuclear Area Integration* Nuclear* Permanent /* Bridgwater* United Kingdom* 06/05/26* On site* Share **About Assystem** At Assystem, our mission is to accelerate the energy transition worldwide. Today, Ass...Read More>>.

Posted: May 10th, 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 12th, 2026
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Principal Mechanical Engineer – Test & Vibration Leadership

Company IconMBDA
Location Icon

MBDA is seeking a Principal Mechanical Engineer in Bolton, United Kingdom. This role entails providing technical leadership in Mechanical, Environmental, & Vibration testing. Responsibilities include developing new test solutions, supporting existing...Read More>>.

Posted: May 13th, 2026
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Senior Mechanical Engineer – Microplastics Filtration (Contract)

Company IconMatter.
Location IconBristol

Matter. is expanding its contractor network and is actively looking for a Senior Mechanical Engineer to contribute to the development of innovative microplastic filter solutions. The position requires full-time commitment at our Bristol facility, foc...Read More>>.

Posted: May 14th, 2026
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Principal Mechanical Engineer — Lead Regulated Systems

Company IconMillbank Holdings
Location IconClifton Hampden

Millbank Holdings is seeking experienced mechanical engineers for various roles, including Principal Mechanical Engineer and Mechanical Engineering Manager. Responsibilities include leading projects from development to commissioning, ensuring complia...Read More>>.

Posted: May 15th, 2026
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Senior Mechanical Engineer — Design & Delivery Leader

Company IconAJP Recruitment
Location IconNewcastle upon Tyne

AJP Recruitment is looking for an experienced Engineering Lead in Newcastle upon Tyne to take ownership of engineering projects, providing technical leadership over a team. You should have over 8 years of relevant engineering experience, ideally with...Read More>>.

Posted: May 17th, 2026
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Senior Mechanical Engineer - Nuclear & Offshore, Hybrid

Company IconASSYSTEM
Location IconBristol

ASSYSTEM is looking for an experienced Mechanical Engineer to join their Fusion and Modular Nuclear Business Unit in England, Bristol. The role involves leading project tasks, delivering engineering solutions, and mentoring junior engineers. Candidat...Read More>>.

Posted: May 17th, 2026
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Data Center Mechanical Engineer, Design and Process

Company IconGOOGLE
Location IconLondon

Minimum qualificationsBachelor's degree in Mechanical or Industrial Engineering, related discipline, or equivalent practical experience.3 years of experience in mission critical facility design and construction environmen...Read More>>.

Posted: May 17th, 2026
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Senior Mechanical Engineer - Robotics & Packaging Design

Company IconBW Packaging
Location IconDoncaster

BW Packaging in Doncaster seeks a Mechanical Engineer to contribute to the design and manufacture of end-of-line packaging solutions. The successful candidate will model and detail engineering components, oversee product integration, and ensure compl...Read More>>.

Posted: May 18th, 2026
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Field Service Mechanical Engineer - Haywards Heath

Company IconPHSGroup
Location IconHaywards Heath

Job Title: Baler and Compactor Field Service Engineer Division: phs Wastekit – Croydon Purpose of Role Service Engineers are responsible for servicing and maintaining recycling equipment on a reactive and scheduled...Read More>>.

Posted: May 18th, 2026
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Senior Mechanical Engineer | Hybrid, Growth & Mentoring

Company IconRGB Recruitment
Location IconBirmingham

RGB Recruitment is looking for a Senior Mechanical Engineer in Birmingham to join a growing multidisciplinary Building Services consultancy. The role involves designing mechanical building services systems and managing projects from concept to comple...Read More>>.

Posted: May 19th, 2026
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Senior Mechanical Engineer - Rotating Electrical Machines

Company IconGE Vernova
Location IconRugby

GE Vernova in Rugby, England, sucht einen erfahrenen Systems Engineer, der für die Komponentenintegration und die Verwaltung der Produktanforderungen verantwortlich ist. Die Rolle erfordert ausgezeichnete Kommunikationsfähigkeiten sowie die Fähigk...Read More>>.

Posted: May 20th, 2026
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Lead Mechanical Engineer: Rotating Electrical Machines

Company IconGE-Vernova-
Location IconRugby

GE Vernova is seeking a Lead Mechanical Engineer at its Rugby site, specializing in the design of rotating electrical machines. This role involves applying advanced finite element analysis (FEA) and leading the mechanical design lifecycle from requir...Read More>>.

Posted: May 20th, 2026
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Senior Mechanical Engineer - Building Services (Hybrid)

Company IconManpower UK
Location IconCardiff

Manpower UK is seeking a Senior Mechanical Engineer in Cardiff, Wales, responsible for managing client projects and undertaking mechanical specifications. The role offers hybrid work, with responsibilities including client management, site reviews...Read More>>.

Posted: May 21st, 2026
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Night-Shift Electrical/Mechanical Engineer - Maintenance

Company IconGAP Electrical & Mechanical Services Limited
Location IconConwy

GAP Electrical & Mechanical Services Limited in Conwy is seeking semi-skilled electrical or mechanical engineers for part-time, casual roles. Ideal candidates will have hands-on experience and must be flexible to commit to two night shifts per mon...Read More>>.

Posted: May 21st, 2026
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Mechanical Engineer: Lead Projects & Client Interface

Company IconMOTT MACDONALD
Location IconBelfast

MOTT MACDONALD seeks a leader for its technical team in Belfast, UK, focusing on client interface and project management in the Built Environment sector.The successful candidate will drive collaboration and enhance client relationships whil...Read More>>.

Posted: May 23rd, 2026
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Lead Mechanical Engineer - Hydroelectric Rotating Machinery

Company IconWEG Tech
Location IconRugby

WEG Tech in Rugby seeks a Senior Mechanical Engineer who will be key in designing, manufacturing, and repairing complex machinery. This position focuses on delivering high-quality engineering solutions for hydro generators, promoting growth in ren...Read More>>.

Posted: May 23rd, 2026
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Senior Mechanical Engineer - Water Utilities (Hybrid)

Company IconCOWI A/S
Location IconEast Midlands

A leading engineering consultancy in the UK seeks a Senior Mechanical Engineer to deliver engineering work related to water supply and wastewater infrastructure. The ideal candidate will have a degree in mechanical engineering, chartered status, and...Read More>>.

Posted: May 23rd, 2026
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Client‑Facing Senior MEP Mechanical Engineer

Company IconCalibre Search
Location IconTyseley

Calibre Search is looking for a Senior Mechanical Engineer in Tyseley, UK to support ongoing projects across multiple sectors, notably education. You will manage design and on-site coordination, engaging closely with clients and contractors....Read More>>.

Posted: May 23rd, 2026
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Senior Building Services Mechanical Engineer (Contract)

Company IconCarrington West
Location IconLiverpool

Carrington West is seeking a Senior Mechanical Engineer in Liverpool to work on exciting projects in Building Service Design. The role offers a contract position focused on delivering mechanical design for major construction projects. This is a fa...Read More>>.

Posted: May 23rd, 2026
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