Overview In this role you design mechanical systems and supporting infrastructure for nuclear power facilities, delivering safe, reliable solutions within multidisciplinary teams. You’ll work on new-builds, plant improvements and infrastr...Read More>>.

Overview In this role you will lead mechanical input for water utilities projects, spanning treatment, pumping, and transmission systems. You’ll work within a multidisciplinary team to deliver feasibility and design work across AMP8 frame...Read More>>.

Assystem GmbH is seeking a Principal Mechanical Engineer in Bolton, UK, to join their Fusion and Modular Nuclear Business Unit. The role includes leading engineering activities for innovative nuclear projects and producing essential design documen...Read More>>.

Stantec Consulting International Ltd. is seeking a Principal Mechanical Engineer to lead the design and delivery of energy projects across EfW, district heating, hydrogen, and biogas initiatives within the Energy & Resources team.You will o...Read More>>.

The energy transition represents one of the most significant shifts of our time—transforming how energy is produced, distributed, and consumed to create a more sustainable, lower‑carbon future. This is your opportunity to be part of that tr...Read More>>.

UK Atomic Energy Authority is looking for a Principal Mechanical Engineer to lead design in the Spherical Tokamak for Energy Production Programme. This role involves managing the mechanical design of cutting-edge fusion heating systems and guiding...Read More>>.

OCU is seeking a Senior Mechanical Engineer to lead water and wastewater projects from Bridgend, Wales. This permanent, full-time, office/site-based role offers UK and international project exposure and a path to Chartered status. You will design,...Read More>>.

Job Description SummaryAs Valve Converter Mechanical Team Lead, you will report to the Head of Valve Converter Engineering within the HVDC Valve Converter Engineering function. The successful candidate will be part of a highly motivate...Read More>>.

GE Vernova in Stafford is seeking a Valve Converter Mechanical Team Lead to direct the HVDC Valve Converter Engineering team. Based at the HVDC Centre of Excellence in Stafford with international travel, you will manage tender and project activiti...Read More>>.

Safran Engineering Services is seeking a Principal Electro-Mechanical Engineer to lead mechanical design of rotating machinery and electric machines. The role involves roadmap development, design reviews, and ensuring compliance with airworthiness...Read More>>.

Matchtech is seeking a Senior Mechanical Engineer for water-sector projects in the North West. You will lead mechanical design interfaces, produce and check deliverables, and support project delivery within AMP8 timelines.The role requires...Read More>>.

Mott MacDonald Bentley is seeking a Senior Mechanical Engineer to contribute to water and wastewater projects across the UK. You will guide mechanical design from concept to commissioning, coordinating with multidisciplinary teams and ensuring saf...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>>.

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>>.

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>>.

Principal Mechanical Engineer role within the Anglian Water @One Alliance, part of the Mott MacDonald Bentley family. Lead mechanical design delivery for major water infrastructure projects, ensuring safe, sustainable and cost-efficient outcomes....Read More>>.

Microsoft Research Cambridge is seeking a senior hands-on Mechanical Engineer to design, build, test, and refine precision mechanical systems used in advanced photonics and fibre-optic research. The role involves hardware prototyping, lab troubles...Read More>>.

Pick Everard is seeking a Senior Mechanical Engineer - Water Civil Engineering to shape mechanical designs for wastewater and clean water projects across the UK. You will lead technical delivery and collaborate with multidisciplinary teams to meet...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>>.

Matchtech is seeking a Principal Thermal Mechanical Engineer for a contract in Cowes. The role focuses on thermal engineering and mechanical design within complex defence projects, with hybrid working and two to three days on site.You will...Read More>>.

Matchtech Group is assisting a leading defence and security organisation in recruiting a Principal Thermal Mechanical Engineer for a contract in Cowes. The role focuses on thermal management and mechanical design within highly regulated projects,...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>>.

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>>.

M5tec Limited in the UK is seeking a Senior Mechanical Engineer to lead design, analysis and delivery of mechanical systems across the full lifecycle. This role requires guiding a multi-disciplinary team, translating client requirements into pract...Read More>>.

Amentum is recruiting a Senior Mechanical Engineer to lead a small team on design and delivery of significant plant modification packages at Sellafield. The role focuses on process piping systems, shielding, supports and valves, aligning with high...Read More>>.

IonQ, Oxford Ionics, part of IonQ, is hiring a Senior Mechanical Engineer to own mechanical design from requirements through manufacture and integration. You’ll work on hardware surrounding the quantum processor, including cryostat needs, coolin...Read More>>.

Ramboll in the UK seeks an Associate/Principal Mechanical Engineer to lead mechanical design delivery for innovative Datacentre projects. You will guide engineers, coordinate with electrical teams, and maintain excellent client service while shapi...Read More>>.

Job DescriptionYou will be involved in some of the UK’s most innovative and intricate Datacentre projects. As our new Associate/Principal Mechanical Engineer, you will be working as part of a team, leading the technical delivery of the me...Read More>>.

BAE Systems in the United Kingdom seeks a Mechanical Team Leader to guide and develop a group of engineers, ensuring knowledge is reused, schemes are fit for purpose and risks are understood and managed. You will provide project management oversig...Read More>>.

Snap Inc is seeking a skilled mechanical engineer to join the Optical Engine Delivery Team, focusing on opto-mechanical designs and early prototyping for AR display tech. You will transfer designs to contract manufacturers, analyze component perfo...Read More>>.

BRUSH Group’s RYBKA arm is seeking a Senior Mechanical Engineer to lead design across multiple projects within the built environment. You will mentor engineers, manage client relationships, and ensure technical excellence from briefing to handov...Read More>>.

Morson Edge is seeking a Mechanical Engineer – IIA Design Reviewer on a contract basis to review piping design documentation, provide independent assurance, and ensure compliance with quality, safety case, and regulatory standards.The rol...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>>.

Oxford Ionics, now part of IonQ, is building the first practical quantum computer with ion trap technology in Oxford. We are seeking a Senior Mechanical Engineer to own mechanical design from requirements to manufacture and integration, focusing o...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>>.

Baker Hughes in the United Kingdom is seeking a Senior Mechanical Engineer to lead design and development of innovative products and customer-focused solutions. You will apply systems engineering, collaborate across disciplines, and mentor enginee...Read More>>.

Assystem is seeking a Senior Principal Mechanical Engineer to join its Fusion and Modular Nuclear unit in the UK. You will lead designs for cooling water systems and related reactor components, driving DFMEA/HAZID activities and managing interface...Read More>>.

JAM in Portsmouth seeks a Principal Thermal Mechanical Engineer to lead the mechanical engineering aspects of new radar technologies. You will provide expert thermal mechanical knowledge across design, build, integration and test of complex system...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>>.

Red Chilli Recruitment in Winchester seeks a Principal Mechanical Engineer to lead mechanical system design from concept through FAT, owning technical proposals and direct customer interactions. You will apply knowledge of centrifugal and plunger...Read More>>.

Stantec is seeking Principal and Senior Principal Mechanical Engineers to join our Water team in the UK. You will lead technical delivery on complex water projects, shape engineering solutions, and build trusted client relationships within a highl...Read More>>.

Stantec is seeking Senior Principal/Associate-level Mechanical Engineers for the UK water sector. Based in Redditch or other listed locations, you will lead technical delivery on major water infrastructure projects, build trusted client relationsh...Read More>>.

Stantec is seeking Senior Principal / Associate-level Mechanical Engineers to join our Water team in the UK. You will lead technical delivery on complex water projects, shaping engineering solutions and strategy, while nurturing trusted client rel...Read More>>.

Stantec is seeking experienced Principal and Senior Principal Mechanical Engineers for the UK Water sector, with opportunities across multiple locations. Join a leading water consultancy delivering resilient, regulated infrastructure and advise on...Read More>>.

Stantec in the UK is expanding its Water team and seeks a Mechanical Engineer to contribute to critical pumping stations, treatment facilities and sustainable infrastructure. You’ll design and improve pumping systems, fluid handling and process...Read More>>.

If you understand pumps, process systems, fluid handling, or complex mechanical infrastructure, your next career move could have a bigger impact than you think. At Stantec, we're expanding our UK Water teams and looking for Mechanical Engineers wh...Read More>>.

Baker Hughes in the United Kingdom is seeking a Senior Mechanical Engineer to lead design and development of innovative mechanical systems and customer-focused solutions across the product lifecycle.You'll work with cross-functional teams,...Read More>>.

Ultra Maritime is seeking a Senior Mechanical Engineer to join a multi-disciplinary team in the UK. You will define mechanical architecture, manage requirements, and deliver robust solutions for complex systems within our maritime defence portfoli...Read More>>.

Arup is seeking a senior/principal mechanical engineer to join our northern offices, delivering water utility projects including treatment facilities, pumping systems and pipework. You will provide key mechanical input, support less experienced st...Read More>>.

IC Resources seeks a senior engineering leader in the space sector to drive mechanical engineering excellence across high‑reliability hardware. You will lead the mechanical engineering team, shape technical strategy, and stay hands-on with desig...Read More>>.