Principal Mechanical Engineer

Company IconTotal Resourcing Ltd
Location Icon

On behalf of our Client, we are recruiting for a Principal Mechanical Engineer. Within the Engineering team, the Lead Mechanical Engineer will integrate operational engineering multi-discipline teams delivering projects at various phases...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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Lead Mechanical Engineer – Nuclear & Fusion Front End

Company IconAssystem GmbH
Location IconEast Midlands

Assystem GmbH is looking for a professional in the East Midlands to lead Front Engineering activities for Small Modular Reactors, Advanced Modular Reactors, and Fusion projects. You will ensure precision in key design documents and oversee technic...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer - Water: Lead Design & Delivery

Company IconStantec
Location IconLeeds

A global engineering firm in Leeds seeks a Senior Process Engineer to lead design efforts in the Water sector. The role involves overseeing diverse projects, mentoring junior team members, and implementing innovative engineering solutions. Ideal cand...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer (building services)

Company IconCAP Resourcing LTD
Location IconBirmingham

OverviewWe’re working with a long-established, multidisciplinary consultancy with deep roots in Birmingham. Known for delivering innovative, people-centred design solutions, this is a practice that continues to lead the way in the bu...Read More>>.

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

Company IconARCADIS
Location IconBirmingham

A global engineering consultancy in Birmingham is seeking a Principal Mechanical Engineer to lead mechanical design on key projects. The successful candidate will be expected to manage project teams, provide technical guidance to junior engineers, an...Read More>>.

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

Company IconWSP
Location IconLondon

A leading engineering consultancy in the UK is seeking a Principal Mechanical Engineer to lead prestigious projects in building services. This role involves managing a team, ensuring project delivery in client relations, and applying your expertise i...Read More>>.

Posted: June 6th, 2026
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Technical Director Mechanical Engineer - Water

Company IconAccess Talent Group
Location IconWales

Technical Director Mechanical Engineer - Water ((BST: 8:00 - 18:00 (Mon/Thurs) 8:00 - 16:00 (Fri))) We are seeking an experienced and visionary Technical Director in Mechanical Engineering to join our leadership team. This is a...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer, Water — Lead Design & Digital

Company IconStantec
Location IconReading

Stantec seeks a Senior Process Engineer in Reading to lead the design and delivery of innovative solutions in the Water Sector. You will guide projects focusing on Clean Water or Wastewater treatment, utilizing your technical expertise and mentoring...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Senior Mechanical Estimator - Hybrid

Company IconLinea Recruitment Ltd
Location IconLondon

Senior Mechanical Estimator / Future Pre-Construction Manager Hybrid Working - London £80,000 - £90,000 + Bonus + Package An established and growing M&E Contractor is looking to appoint a Senior Mechanical Estimator who...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Senior Mechanical Engineer

Company IconFashion Institute of Design & Merchandising
Location IconLondon

Senior Mechanical Engineer - Mission CriticalHDR is seeking a Senior Mechanical Engineer to collaborate with various engineering teams to create detailed designs, plans, specifications, and installation designs of complete mechanical sys...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer: Nuclear Turbine & Thermal Hybrid

Company IconAssystem
Location IconBlackburn

A global engineering leader is seeking a Senior Process Engineer in Blackburn, UK. In this role, you will support the design of thermal and fluid systems for innovative nuclear projects, ensuring adherence to safety and compliance. The ideal candidat...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Design Engineer - Bolton

Company IconBauer Media Outdoor
Location Icon

Bauer Media Outdoor UK is one of the leading Out of Home media owners, with more than 33,000 advertising sites in our portfolio. Our talented team of over 650 people work in 14 locations across the country, creating and delivering some of the m...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Design Engineer - Near Edinburgh

Company IconLorien
Location IconCity of Edinburgh

Senior Mechanical Design Engineer – Near EdinburghLorien is supporting their longstanding, highly regarded and Scottish‑born client in the search for a Senior Mechanical Design Engineer to join its product development team....Read More>>.

Posted: June 6th, 2026
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Senior Product Safety Engineer - Submarine Systems (Hybrid)

Company IconTieTalent
Location IconBristol

A leading engineering company seeks a Senior Engineer specializing in Product Safety. You will work within an Integrated Development Team, ensuring the completion of safety tasks for submarine systems and supporting hazard analysis. The role offers h...Read More>>.

Posted: June 6th, 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: June 6th, 2026
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Senior Process Engineer - Nuclear Decommissioning & Facilities

Company IconAssystem GmbH
Location IconWarrington

Assystem GmbH, based in Warrington, is looking for a Senior Process Engineer to join their Nuclear Decommissioning Business Unit. In this role, you will engage in diverse tasks, such as asset care replacement and the design of new facilities, cruc...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconCMS2 - Critical Maritime Systems & Support
Location IconPortsmouth

Senior Mechanical Engineer Department: Mechanical EngineeringLocation: Portsmouth Join to apply for the Senior Mechanical Engineer role at CMS2 - Critical Maritime Systems & Support. Senior Mechanical Engineers lead...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Aerospace EW Systems (Hybrid)

Company IconLeonardo
Location IconLuton

Leonardo in Luton is seeking a Mechanical Engineer to transform conceptual designs into fully engineered solutions. You will work closely with subject matter experts and participate in the Mechanical Engineering Product Hardware Development Proces...Read More>>.

Posted: June 6th, 2026
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Lead Mechanical Design Engineer - Motorsport Systems

Company IconDangote Industries Limited
Location IconBiggin Hill

Dangote Industries Limited in Biggin Hill is seeking a Principal Mechanical Design Engineer to join their Mechanical Design team. This role involves designing and developing high-quality mechanical solutions for various projects, ensuring reliabil...Read More>>.

Posted: June 6th, 2026
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Senior Process Safety Engineer — DSEAR & HAC Expert (Hybrid)

Company IconTieTalent
Location IconInverkeithing

An engineering recruitment firm seeks a Principal Process Safety Engineer for a hybrid role in Barrow-in-Furness. Responsibilities include completing DSEAR risk assessments, mentoring junior engineers, and developing safety strategies. Essential qual...Read More>>.

Posted: June 6th, 2026
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Senior / Principal Mechanical Engineer - Leeds

Company IconTetra Tech, Inc.
Location IconLeeds

Are you an experienced Mechanical Building Services Engineer ready to take a leading role in technically challenging projects? Tetra Tech is seeking a Senior / Principal Mechanical Building Services Engineer to join our established Manch...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer - Fusion Turbine Island (Hybrid)

Company IconAssystem
Location IconCulham

A leading energy transition company in the UK is seeking a Senior Mechanical Engineer to join the Fusion and Modular Nuclear Business Unit. This role will involve ensuring supplier deliverables meet requirements, developing complex design documents,...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer – Nuclear Plant Design Lead

Company IconAssystem
Location IconWarrington

Assystem is seeking a Senior Mechanical Engineer in Warrington to deliver critical mechanical work within the nuclear sector. This role involves producing and checking designs, guiding engineering teams, and ensuring compliance with UK regulations. T...Read More>>.

Posted: June 6th, 2026
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Senior Process Engineer - Nuclear Decommissioning (On-Site)

Company IconAssystem GmbH
Location IconWhitehaven

A leading engineering firm is seeking a Senior Process Engineer for their Nuclear Decommissioning Business Unit in Whitehaven, UK. The role involves various tasks, including asset care replacement and the design of new facilities, essential for maint...Read More>>.

Posted: June 6th, 2026
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Lead Process Engineer – Nuclear & Energy Infrastructure

Company IconMOTT MACDONALD
Location IconEast Midlands

A global engineering consultancy in the UK is searching for a Principal Process Engineer. In this client-facing role, you will manage multi-discipline design projects from feasibility to execution, ensuring quality and adherence to standards. Your re...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Design Engineer — Hybrid & Impactful

Company IconLorien
Location IconCity of Edinburgh

Lorien is seeking a Senior Mechanical Design Engineer near Edinburgh to lead complex design work and mentor colleagues. The role involves system-level design, project management, and supporting prototype development.The ideal candidate has...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconMK Search
Location IconLondon

Senior Mechanical Engineer – Design‑Focused – Data Centres – Critical Infrastructure Are you a design‑focused Senior Mechanical Engineer looking to work on some of the UK's most technically challenging data centre and critica...Read More>>.

Posted: June 7th, 2026
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Lead Mechanical Engineer - Water & Drainage, Remote

Company IconAqua Consultants
Location IconLeeds

Aqua Consultants is looking for a dedicated professional in Leeds to focus on drainage design and project delivery within the water industry. Responsibilities include site assessments, mechanical design, and ensuring compliance with industry stand...Read More>>.

Posted: June 11th, 2026
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Senior Process Engineer - Water & Wastewater (Hybrid)

Company IconScantec Recruitment
Location IconManchester

Scantec Recruitment is seeking a Senior Process Engineer in Manchester to deliver process design solutions for water and wastewater infrastructure projects. The ideal candidate will have a minimum of 10 years of experience in the regulated water i...Read More>>.

Posted: June 11th, 2026
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Senior / Principal Mechanical Engineer - Leeds

Company IconTetra Tech Europe
Location IconLeeds

Are you an experienced Mechanical Building Services Engineer ready to take a leading role in technically challenging projects? Tetra Tech is seeking a Senior / Principal Mechanical Building Services Engineer to join our establishe...Read More>>.

Posted: June 12th, 2026
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Senior Mechanical Engineer

Company IconCalibre Search
Location IconBristol

Senior Mechanical Engineer - Building Services Consultancy Bristol Up to £60k Overview This award‑winning building services consultancy integrates sustainable solutions into every project they deliver across c...Read More>>.

Posted: June 12th, 2026
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Senior Mechanical Engineer (Nuclear Systems) – Hybrid

Company IconOrano
Location Icon

Orano seeks a Mechanical Engineer to join their Engineering team, working in a hybrid setup from Warrington or Abingdon. You will manage and deliver technical studies while designing mechanical processes throughout various project phases, from FEE...Read More>>.

Posted: June 12th, 2026
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NPI Project & Process Engineer (Mechanical)

Company IconMake UK
Location IconLondon

NPI Project & Process Engineer (Mechanical)Location: LondonJob Type: ContractRate: Up to £47.50 per hour Umbrella – 2 Yr ContractPrimary Purpose:The primary purpose of this role is to design a...Read More>>.

Posted: June 13th, 2026
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Lead Mechanical Engineer: Net-Zero Building Performance

Company IconCibsejournal
Location IconBirmingham

Cibsejournal is seeking a Principal/Associate Engineer for their Operational Assets team in Birmingham. This role focuses on developing sustainable solutions for existing buildings, utilizing real-time data to drive net-zero progress.Respon...Read More>>.

Posted: June 13th, 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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Lead Mechanical Engineer Tooling & Decommissioning (Hybrid)

Company IconNUKEM Ltd.
Location IconWarrington

NUKEM Ltd. seeks a Principal Mechanical Engineer for its Warrington location. This role involves overseeing the development of essential tools for MSSS SEP machines, managing a team, and collaborating with various clients and contractors.Th...Read More>>.

Posted: June 15th, 2026
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Senior Mechanical Engineer (@one Alliance)

Company IconBinnies
Location IconEast Hampshire

Senior Mechanical Engineer – Binnies (RSK Group) Location: Peterborough – Hybrid working available. Benefits 9‑day working fortnight Competitive pension scheme 33 days annual leave...Read More>>.

Posted: June 15th, 2026
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Senior Electro-Mechanical Engineer, Electric Aircraft Power

Company IconSafran
Location IconPitstone

Safran is seeking a Principal Electro-Mechanical Engineer in Pitstone, England. You will strategically analyse market needs, lead design reviews, and ensure technical performance of products.The ideal candidate has an aerospace or mechanica...Read More>>.

Posted: June 16th, 2026
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Senior Mechanical Design Engineer - Mobile Machinery

Company IconEnergy Jobline CVL
Location IconBangor

Energy Jobline CVL is seeking a Senior Mechanical Design Engineer located in Bangor, North Wales. This role involves supporting mechanical design from concept to production while producing CAD models and collaborating with cross-functional teams....Read More>>.

Posted: June 16th, 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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Principal Mechanical Engineer – Equipment & Technology (Hybrid)

Company IconHR Wallingford
Location IconManchester

HR Wallingford in Manchester seeks an experienced Principal Mechanical Engineer to lead projects in a dynamic environment. You will work collaboratively with a team to deliver high-quality engineering solutions worldwide.Ideal candidates po...Read More>>.

Posted: June 25th, 2026
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Senior Mechanical Design Engineer - Hybrid & Growth

Company IconPenguin Recruitment Ltd
Location IconBirmingham

A leading building services consultancy in Birmingham is seeking a Senior Design Mechanical Engineer to join their expanding team. You will design high-quality mechanical building services projects, manage workloads, and liaise directly with clients....Read More>>.

Posted: June 25th, 2026
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Principal Mechanical Engineer in City

Company IconCalibre Search
Location IconWales

Principal Mechanical Engineer Cardiff Up to 60,000 Overview A leading global engineering consultancy is looking for a Principal Mechanical Engineer to join their South Wales team. This is one o...Read More>>.

Posted: June 20th, 2026
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Mobile Mechanical Engineer – Field FM & Maintenance

Company IconWates Group
Location IconEnfield

Wates Group is seeking a Mobile Mechanical Engineer to join their Facilities Management team covering Enfield and North London. This role includes delivering high-quality planned and reactive maintenance across multiple sites, ensuring that all me...Read More>>.

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

Company IconEgis Group
Location IconBristol

Egis Group is seeking a Mechanical Engineer - Water / Wastewater in Bristol to lead the design and delivery of municipal water projects. In this senior role, you will guide teams and influence strategic decisions, ensuring high-quality delivery ac...Read More>>.

Posted: June 20th, 2026
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Senior Mechanical Design Engineer – Building Services Revit

Company IconPARK RECRUIT
Location IconBelfast

PARK RECRUIT is seeking a Mechanical Design Engineer to join a growing building services design consultancy in Belfast. This office-based position offers a fantastic opportunity to be part of a collaborative team delivering high-quality design sol...Read More>>.

Posted: June 21st, 2026
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