Join the Fusion and Modular Nuclear Business Unit. Assystem has an exciting opportunity for a Senior Principal Mechanical Engineer to join our expanding Fusion and Modular Nuclear (FMN) business unit. As leaders in the design and development of...Read More>>.

A leading engineering company in the UK is seeking a Senior Mechanical Engineer to design and develop mechanical solutions for innovative water treatment technologies. You will play a crucial role in managing technical aspects of projects, ensuring d...Read More>>.

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to wea...Read More>>.

Assystem in the East Midlands is seeking a Senior Principal Mechanical Engineer for their Fusion and Modular Nuclear Business Unit. The role involves leading design developments for critical systems including personnel airlocks and cooling water syst...Read More>>.

Senior Associate Mechanical Engineer - (2141) Location Travel Job Type Full Time Category Mechanical Engineering Job Description Senior Associate Mechanical Engineer Birmingham...Read More>>.

A leading engineering firm based in the UK is searching for a Senior/Principal Mechanical Engineer to join their Design & Advanced Technology team. This role requires strong leadership and problem-solving skills while working on iconic projects withi...Read More>>.

Principal Mechanical Design Engineer (Defence)Principal Mechanical Design Engineer (Defence)4 days ago Be among the first 25 applicantsGet AI-powered advice on this job and more exclusive features.The opport...Read More>>.

Hunter Savage is searching for a Mechanical Engineer to join their Maintenance & Engineering team at Kilroot and Ballylumford Power Stations in Northern Ireland. The candidate will supervise engineering activities, lead a maintenance team, and ensure...Read More>>.

FJA are recruiting on behalf of a leading service provider in the wastewater industry for an experienced Senior Mechanical Engineer to strengthen their team. This role is based in Rickmansworth, hybrid working available....Read More>>.

1 week ago Be among the first 25 applicantsThis range is provided by Aldwych Consulting Ltd. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeDirect message...Read More>>.

A consulting company in M&E is seeking a Senior Mechanical Design Engineer in the United Kingdom. The role involves managing medium-sized projects and engaging directly with clients to ensure the successful execution of engineering projects. Candidat...Read More>>.

Senior Mechanical Design Engineer (Team Lead) Apply for the Senior Mechanical Design Engineer (Team Lead) role at Nova Systems International. Nova Systems is a leading supplier of turnkey bespoke aircraft modificat...Read More>>.

Our Vacancy# Senior Mechanical Engineer – Replication and Integration* Nuclear* Permanent /* Bridgwater* United Kingdom* 04/03/26* On site* Share **About Assystem** Assystem is an international engineering and project management group accelerati...Read More>>.

Stark Defence in Swindon, UK, is seeking a Senior Mechanical Design Engineer to lead the mechanical architecture of next-gen UAV platforms. The role requires expertise in SolidWorks and a background in mechanical design, preferably for aerospace or U...Read More>>.

Senior Mechanical Design Engineer (BST: 8:00 - 18:00 (Mon/Thurs) 8:00 - 16:00 (Fri)) Access Talent Group are currently recruiting for an experienced and motivated Senior Mechanical Design Engineer to join a dynamic and growing W...Read More>>.

Senior Mechanical Engineer – Building ServicesLondon | Hybrid WorkingThis is an excellent opportunity to join a well‑established and highly regarded building services consultancy at a time of continued growth. We’re l...Read More>>.

This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. About OLIX AI is growing faster than any technology in history and the explosion in demand has created a massive infrastructure ga...Read More>>.

Teledyne Technologies Incorporated in Fareham is seeking a Mechanical Design Team Lead to drive innovative imaging sensor product design and development. You will lead a dynamic team of engineers, ensuring products meet quality standards and timel...Read More>>.

We are seeking an experienced Mechanical Engineer to design battery energy storage systems. This includes the primary and secondary structures, control panels, HV and LV sub-systems and heating/cooling systems.This role owns the design a...Read More>>.

OverviewWhat if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrac...Read More>>.

Principal Mechanical Design Engineer WaterOur well-established client is searching for a Principal Mechanical Design Engineer to lead and develop a growing Water Design Team.This is an exciting opportunity to play a key role in del...Read More>>.

OverviewAs a Senior Mechanical Engineer, your mission is to primarily deliver best practice mechanical engineering of semiconductor manufacturing equipment. You will report to the Associate Principal Mechanical Engineer....Read More>>.

iO Associates is seeking a Senior Mechanical Design Engineer based in Southampton. This role involves leading mechanical design activities for bespoke machinery and electro-mechanical systems, ensuring compliance with manufacturing and safety stan...Read More>>.

A global engineering company in Whitehaven is looking for a Senior Mechanical Engineer to oversee mechanical design tasks in the nuclear sector. This role involves producing design work packs, supervising designers, and ensuring compliance with UK re...Read More>>.

A Sheffield-based engineering consultancy is seeking a Mechanical Design Engineer with over 5 years of experience to join their multidisciplinary team. The role focuses on leading high-value projects, developing innovative solutions, and ensuring pra...Read More>>.

A railway engineering firm in Sheffield is seeking an experienced Electro-mechanical Engineer to join their Rail team. The successful candidate will be responsible for the disassembly, repair, and maintenance of rotating machines, requiring knowledge...Read More>>.

Senior Mechanical Engineer -Perm -Camberley -£50k-£65k Our well-established engineering client is seeking a Senior Mechanical Engineer to join its team. This is a broad, hands‑on role combining design, project delivery, and cross‑f...Read More>>.

A major engineering firm in the UK is seeking a Lead Mechanical Design Engineer to shape the future of water engineering. In this role, you will influence project direction, deliver high-quality engineering outputs, and mentor junior engineers. The i...Read More>>.

We are looking for a Senior Mechanical Engineer to join a global company based in Buckinghamshire that makes high-tech lab instruments used in science, healthcare, and environmental testing. You’ll help design and build the next...Read More>>.

We have an exciting opportunity for a Senior Mechanical Engineer to join our team in the London head office.About our role:Rendel’s mechanical and electrical engineering team provides support to infrastructure and...Read More>>.

Lorien is seeking a Principal Mechanical Design Engineer to join their prestigious client in the Edinburgh area. This senior role involves providing technical leadership on complex design projects, guiding system-level architecture, and supporting...Read More>>.

Water & Wastewater InfrastructureLocation: St AlbansEmployment Type: Permanent The Opportunity Our client is seeking an experienced Senior Mechanical Design Engineer to join their growing en...Read More>>.

Job Summary An opportunity has arisen with our client for a Principal Mechanical Design Engineer to join them on a 6‑month contract. The successful candidate will develop products to meet customer needs and progress developmental des...Read More>>.

Job Overview We are seeking an experienced Mechanical Estimator to join our team delivering complex mechanical installations across plantrooms, energy centres, and large‑scale decarbonisation projects. The role involves estimating wo...Read More>>.

Scantec is looking for a Senior Mechanical Design Engineer based in St Albans to join their engineering team focused on water and wastewater infrastructure projects. The role involves leading mechanical design packages and mentoring junior enginee...Read More>>.

# Senior Mechanical Engineer – Pressure Compliance* Nuclear* Permanent /* Bridgwater* United Kingdom* 09/06/26* On site* ShareI apply##️ **About Assystem** At Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Swit...Read More>>.

Babcock International, located in Warrington, is seeking a Principal Mechanical Design Engineer to lead innovative mechanical engineering solutions in nuclear projects. This role encompasses key responsibilities in managing bids, ensuring complian...Read More>>.

Enpure Ltd are a progressive organisation in water and wastewater services and are looking to recruit a self‑motivated and engaging Senior Mechanical Engineer with strong analytical skills and experience in technical design and delivery of wa...Read More>>.

The Mechanisms team at SSTL seeks an experienced success driven and committed mechanisms engineer to support the existing and expanding range of space mechanisms used on SSTL spacecraft. This is an amazing opportunity for an engineer to work on...Read More>>.

Stantec is seeking an experienced Mechanical Engineer based in Leeds, UK, to lead mechanical design efforts on both infrastructure and non-infrastructure projects. The role involves managing the full project life cycle while collaborating closely...Read More>>.

COWI is seeking a Senior Mechanical Engineer with a background in Water Utilities to join their team. The role involves delivering engineering work related to water supply and wastewater infrastructure design. Candidates should hold a relevant mec...Read More>>.

Cibsejournal is seeking a Mechanical Engineer to lead mechanical services and coordinate various projects. The role involves working with a multidisciplinary team to deliver high-quality designs for projects both in the UK and internationally....Read More>>.

ibse is seeking a Mechanical Engineer to manage various projects requiring coordination of mechanical services. The role involves leading teams on large-scale projects while collaborating with clients and architects to deliver top-notch solutions....Read More>>.

Senior Mechanical Engineer - Building Services Full-time Type of contract: Permanent Sector: Nuclear At Assystem, our mission is to accelerate the energy transition worldwide. Today, Assystem is am...Read More>>.

Cavendish Nuclear is seeking a Senior Mechanical Engineer for a full-time, permanent position based in the UK. The successful candidate will contribute to a major civil nuclear decommissioning program, leading complex mechanical engineering tasks whi...Read More>>.

Senior Design Mechanical Engineer Birmingham About the Company Our client is a well-established and growing building services consultancy, delivering innovative mechanical, electrical, and environmental design solutio...Read More>>.

...Read More>>.

Assystem is seeking a Senior Mechanical Engineer for a Nuclear Power Plant project in the UK. This role focuses on managing pressure systems compliance and ensuring structural integrity requirements are met to support project delivery.The i...Read More>>.

Leonardo in Southampton is looking for a Mechanical Engineer to join our team, focusing on innovative engineering challenges and solutions. You will work on cutting-edge technology within the Defence sector and will benefit from flexible working a...Read More>>.

My Client is recruiting for a Senior and Principal Mechanical Engineer in the Water Sector. Locations: Cambridge, Peterborough, London or Surrey - Hybrid Are you a Mechanical Engineer who is passionate about making the world a bet...Read More>>.