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>>.

AtkinsRéalis is seeking a Senior/Principal Mechanical Engineer to lead delivery of complex mechanical and multi-disciplinary projects from our Derby office. You will work with engineers, delivery teams, and clients to ensure projects meet safety,...Read More>>.

Bentley is seeking a Senior Mechanical Engineer to lead on-site delivery of mechanical installations across multiple water/engineering projects. You will integrate design, construction and commissioning, ensuring quality and safety are maintained...Read More>>.

A Senior Mechanical Engineer role in our North East office requires technical leadership across bespoke projects for marine-related sectors. You will coordinate design teams, ensure delivery to specifications, and drive key decisions from concept...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>>.

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>>.

Cambridge Design Partnership: Consultant Mechanical Engineer Cambridge Design Partnership is a successful innovation partner focused on creating value for our clients by transforming new ideas, design and technology into commercial suc...Read More>>.

Vickerstock are partnering with a leading food manufacturing organisation to appoint a Mechanical Engineer responsible for maintaining and improving production equipment on a fast-paced site. You will diagnose faults, provide hands-on mechanical s...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>>.

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>>.

Expleo Group seeks an experienced Mechanical Engineer to support design, development, integration and assurance of complex ships lifting and handling systems across commercial and defence maritime programmes.The role involves delivering eng...Read More>>.

Matchtech Group is recruiting a Senior/Principal Mechanical Design Engineer for critical water and wastewater infrastructure projects across England. You will lead design teams, ensure safe, buildable and cost-effective solutions, and influence bi...Read More>>.

MWH Treatment is recruiting a Senior Mechanical Engineer to strengthen our Southern Division. You will lead mechanical design across major water and wastewater projects, delivering robust, buildable solutions that meet client requirements and asse...Read More>>.

SL Engineering Consultancy Ltd is seeking a Senior Mechanical Engineer to oversee daily engineering activities, support the maintenance team and ensure production equipment operates safely and efficiently.Your role includes leading and ment...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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

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>>.

Rullion Ltd in Bristol seeks a Mechanical Engineer (IIA Design Reviewer) on a contract basis with immediate start. The role reviews piping and pressure-related design documentation to ensure regulatory and safety compliance, working closely with e...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>>.

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>>.

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>>.

Arcadis is seeking a Principal Mechanical Engineer to lead mechanical design on major projects within our Places Design Practice. You will collaborate across disciplines to deliver integrated design solutions and present complex technical concepts...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>>.

Joining Arup Arup's purpose, shared values and collaborative approach has set us apart for 80 years, guiding how we shape a better world. Around the globe, Arup’s mechanical engineers bring specialist expertise to solutionsfor bu...Read More>>.