Thales in the UK is seeking a Mechanical Engineering Lead for the Under Water Systems (UWS) project in Crawley. You will provide leadership to the mechanical team, drive design for subsea environments and collaborate with PDA/PLA on technical deci...Read More>>.

Stantec seeks a Principal Mechanical Engineer to lead mechanical projects across the full lifecycle, from feasibility to commissioning. You will work with multidisciplinary teams on water and wastewater facilities, pumping stations and process sys...Read More>>.

Stantec is seeking a Senior Principal Mechanical Engineer to join our Water team in Newcastle or Leeds. You will provide technical leadership across the full lifecycle of water and wastewater projects, guiding complex mechanical solutions and shap...Read More>>.

The UK water industry is entering one of its most significant periods of investment, with major programmes transforming how water and wastewater infrastructure is planned, designed and delivered. At Stantec, we're partnering with leading water...Read More>>.

Avove is seeking a Principal Mechanical Engineer to lead the delivery of mechanical design across water and wastewater projects. You will provide technical leadership to multi-disciplinary teams from feasibility through to detailed design, focusin...Read More>>.

Amey is seeking a Lead Senior Mechanical Engineer to join our Consulting Built Environment team across multiple UK offices. The role focuses on building services design, condition surveys, and feasibility studies, delivering high-quality outputs w...Read More>>.

IonQ, Inc. in Oxford is seeking a Senior Mechanical Engineer to own mechanical design from requirements to manufacture and integration.You will work on hardware surrounding the quantum processor, including cryostat and cooling equipment, va...Read More>>.

Envirogen Group UK Limited is seeking a Senior Engineer to own end-to-end delivery of multi-million-pound water and wastewater projects. You will lead advanced system design from concept through execution, mentor the engineering team, and ensure r...Read More>>.

Saab UK, part of the global defence group, is seeking a Senior Mechanical Engineer for unmanned systems based in Bedford. You will provide technical leadership across mechanical and aerospace development, own complex design tasks and mentor engine...Read More>>.

Mott MacDonald is recruiting a Mechanical Discipline Lead within the Water Utilities Division to steer technical direction and quality of deliverables for a major UK water framework. You will collaborate with the client and other discipline leads,...Read More>>.

Mott MacDonald Bentley is recruiting a Principal Mechanical Engineer to join the Anglian Water @One Alliance. You will lead mechanical design across major projects, drive safe and efficient delivery, and mentor junior engineers to build a culture...Read More>>.

Mott MacDonald’s Water Utilities Division is seeking a Mechanical Discipline Lead to steer technical direction within AMP8 delivery. You will own the quality of mechanical deliverables, manage engineers/consultants, and collaborate with client t...Read More>>.

Matchtech is seeking a Senior/Principal Mechanical Engineer to join the Water division on UK projects with hybrid working. Roles include leading design teams on pumping, water and wastewater systems for major water authorities.You will deli...Read More>>.

IonQ, based in Oxford, is building the first practical quantum computer. This Senior Mechanical Engineer role focuses on owning mechanical design from requirements to manufacture, covering cryostat systems, vacuum chambers, cooling equipment and s...Read More>>.

Title: Senior Mechanical Engineer - Built Environment 1 YourNew Role We have a fantastic opportunity for a permanent Senior Mechanical Engineer to join our Consulting team. With shared office space in Birmingham, Telford, Manc...Read More>>.

Mott MacDonald Bentley in Manchester seeks a Principal Mechanical Engineer to lead mechanical design for water and wastewater projects. You will shape mechanical delivery across the project lifecycle, mentor engineers, and coordinate with electric...Read More>>.

Evodia Limited, Bristol, seeks a Contract Mechanical Engineer to resolve cross-project issues and ensure seamless system integration. Hybrid role with on-site work in Bristol and occasional supplier site visits as needed.The ideal candidate...Read More>>.

Stantec is expanding its Midlands Mechanical Engineering team and seeks a Principal Mechanical Engineer to lead technically challenging projects across water and wastewater programmes. The role offers ownership from feasibility through to commissi...Read More>>.

AECOM is seeking a Principal Mechanical Engineer to join the Building Services Design Consultant Engineering team in Croydon. Lead MEP and multi-disciplinary teams on small to large projects and guide the mechanical discipline on major UK, Europea...Read More>>.

Envirogen Group UK Limited is seeking a Senior Engineer to own execution and delivery of capital projects from concept to field deployment. You will design, specify equipment, and drive technical reviews assisting the sales team with cost estimate...Read More>>.

Arup is seeking a Chartered Senior Mechanical Engineer to join its Building Engineering Team in London, working on iconic international projects from inception to completion. The role emphasizes sustainable design, energy modelling, and integrated...Read More>>.

AECOM in Croydon is seeking a Principal Mechanical Engineer to lead MEP and multi-disciplinary teams on UK/Europe projects. This role requires strong communication with clients and architects, and hands-on design and mentoring for junior engineers...Read More>>.

Arup is seeking a Chartered Senior Mechanical Engineer to join our Building Engineering Team in London. You will take design responsibility for projects from inception to completion, working with multi‑professional teams on large UK and internat...Read More>>.

Matchtech Group is seeking a Chartered Senior Mechanical Engineer to join its Building Engineering Team in London on a permanent basis. You will lead mechanical building services design across rail, residential, commercial and infrastructure proje...Read More>>.

AtkinsRéalis Derby is seeking Senior/Principal Mechanical Engineers to lead teams on diverse, high‑stakes projects across the UK nuclear sector. You will guide design and substantiation of mechanical equipment, working with cross‑disciplinary...Read More>>.

Matchtech is recruiting Senior and Principal Mechanical Engineers for the Water sector with hybrid locations in Cambridge, Peterborough, London, or Surrey. You will lead multi-disciplinary design delivery, ensuring high-quality outputs on critical...Read More>>.

TES Technical Engineering Support seeks a Lead Mechanical for the nuclear project Hinkley Point, UK. You will own discipline LTQR deliverables, coordinate with MEH teams, and ensure timely completion aligned with End of Erection Status Reports....Read More>>.

Black & Veatch is seeking an accomplished Mechanical Engineer to design and integrate mechanical systems for nuclear facilities. You will work on new-build, plant improvements and infrastructure projects, basing in Glasgow or London with some trav...Read More>>.

AECOM in Scotland is seeking a Senior Mechanical Engineer to join our Water Team. You will deliver feasibility studies, design drawings and construction support for water and wastewater projects, working with civil, electrical and process engineer...Read More>>.

Black & Veatch is seeking an experienced Mechanical Engineer based in Glasgow or London to design and deliver essential plant systems for nuclear facilities. The role emphasizes practical infrastructure, piping, utilities, cooling, and plant servi...Read More>>.

Leonardo UK in Luton is seeking a Senior Mechanical Engineer to transform conceptual designs into fully engineered solutions. You will work with a Mechanical Design team, guiding products from concept through design reviews and supporting related...Read More>>.

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and susta...Read More>>.

Arcadis is seeking a Principal Mechanical Engineer to lead the mechanical design on major projects within our Places Design Practice. You will deliver elegant, efficient solutions and collaborate across disciplines to integrate the overall design....Read More>>.

Prime Appointments Ltd. is recruiting a Senior Mechanical Engineer in the Colchester area.The role focuses on hands-on design and development of new automated manufacturing processes, from concept and prototyping through testing and impleme...Read More>>.

Pertemps is seeking an experienced Mechanical Engineer for a role in Swadlincote, combining hands-on engineering with client-facing responsibilities. You will work across workshop and customer sites throughout the UK, leading inspections, servicin...Read More>>.

Assystem Energy & Infrastructure in Derby seeks a Senior Mechanical Engineer to strengthen the nuclear-focused site team. You will develop mechanical designs, assess performance and safety, and ensure alignment with customer requirements.Ro...Read More>>.

AtkinsRéalis is seeking an experienced Mechanical Engineer to lead design and substantiation of mechanical equipment for UK nuclear projects. You will work across reactor operations and collaborate with our delivery teams to ensure safety, qualit...Read More>>.

Matchtech Group seeks a Mechanical Engineer - IIA Design Reviewer in Bristol to perform technical surveillance and independent assessment of mechanical and piping designs for HPC. You will report observations to the Pressure Compliance Lead and en...Read More>>.

Our Opportunity Here at Pick Everard, we are passionate about creating a prosperous and sustainable future, taking a fresh perspective on the built environment. Our core values of professionalism, compassion, drive and positivity are at t...Read More>>.

COWI is seeking a Senior Mechanical Engineer with a Water Utilities background to deliver mechanical infrastructure design including water supply and wastewater systems. The role emphasizes collaboration across UK and international hubs, with hybr...Read More>>.

WSP in the UK is seeking a senior Mechanical Design Engineer to join the Bristol Building Services team. You will work on multidisciplinary projects, applying your design and technical expertise to deliver compliant schemes within UK and European...Read More>>.

BakerHicks is seeking a Senior Mechanical Engineer - Building Services in Warwick to lead mechanical design across medium-sized projects, coordinating multidisciplinary teams and mentoring junior staff. The role requires professional registration...Read More>>.

Senior Mechanical Engineer – Precision MechanismsOxfordshire | £60,000–£75,000 DOEDo you enjoy designing mechanisms where accuracy, repeatability and manufacturability are critical?Would you like to take owne...Read More>>.

Mechanical Engineer Consultant- Pharmaceutical Drug Delivery Full-time Role Type: Experienced Contract Type: Permanent Technical Discipline: Mechanical Engineering Department: Health Tech...Read More>>.

TTP is looking for an experienced Mechanical Engineer Consultant in Pharmaceutical Drug Delivery to join our Health Tech department. You'll work closely with business development to understand client needs and deliver complex engineering solutions...Read More>>.

Pareto Facilities Management Ltd is seeking a Mobile Mechanical Engineer to support a portfolio across Oxford, South London, Kent and West London. You will perform PPM and reactive maintenance on commercial building services, diagnose faults, and...Read More>>.

Sodexo is seeking a Mechanical Engineer in London to deliver planned and reactive maintenance across a corporate site. You will diagnose faults, perform repairs and supervise minor works while coordinating with contractors and apprentices.T...Read More>>.

United Plant Services is a Derby-based provider of heavy mobile equipment maintenance, delivering engineering support and fleet management in quarrying and waste sectors. As a Mobile Heavy Mechanical Engineer you will service, repair, and inspect...Read More>>.

TB+A is recruiting a Mechanical Engineer to join our Healthcare building services design team based in our London office. Healthcare experience is not essential, but candidates should demonstrate experience with large, complex ventilation systems...Read More>>.

Chelsea and Westminster Hospital NHS Foundation Trust is seeking a Multi Skilled Services Engineer (Mechanical) to maintain a wide range of mechanical systems across the Trust's estate, ensuring safety, reliability and compliance to HTMs and stand...Read More>>.