Job Title: Senior Mechanical Engineer Location: Portsmouth Naval Base working a hybrid pattern We offer a range of hybrid and flexible working arrangements please speak to your recruit...Read More>>.

This is an opportunity to become part of a forward-thinking engineering business where your ideas, technical ability and ambition are valued. Youll work on varied and challenging MEP projects, develop your expertise and, importantly, have the oppo...Read More>>.

Mechanical Engineer (Maintenance)£39,400 (£45.0K OTE) + Training + Progression + Days Only + Overtime + Company Benefits Blackpool Are you an Apprenticeship trained Engine...Read More>>.

Senior Mechanical Engineer - Building Services London | Permanent | Hybrid WorkingA growing and established building-services engineering consultancy is looking for an experienced Senior Mechan...Read More>>.

Mechanical Engineer7 Steel UK CardiffUp to £50,000, plus£2,550 Call Out & 10% Bonus...Read More>>.

We are an international leader in sustainable construction, driven by a passion for excellence, but it's our people that are our top priority. We connect, collaborate, and champion the well-being of our employees, forming partnerships and pioneeri...Read More>>.

The Opportunity! The way we build is changing, and you could be part of what comes next.At Holcim UK, we're finding new ways to make construction more sustainable, innovative and ready for the fu...Read More>>.

Job DescriptionService Engineer (Compressors / Local Patch)£40,000 - £45,000 + Bonus OTE 49k + Vehicle + Laptop + Phone + Healthcare + 25 Days HolidayLeicester\nAr...Read More>>.

Overview In this role you will take ownership of mechanical building-services designs from concept to completion within a collaborative, multidisciplinary team. You will work closely with clients, architects and contractors to deliver pract...Read More>>.

Overview As Lead Mechanical Engineer in Arup's Water team, you drive the mechanical design and delivery of water and wastewater projects from feasibility to construction. You will lead multidisciplinary teams, shape pumping, treatment and p...Read More>>.

Overview In this role you will lead mechanical building services projects from inception to delivery, acting as the main client contact and ensuring high-quality engineering solutions. You will mentor junior engineers, allocate resources, a...Read More>>.

Overview In this role you ensure reactive maintenance across sites, coordinate with the contract team, and maintain paperwork in the CAFM system. You will support safe working practices, manage consumables and parts, and liaise with clients...Read More>>.

Overview In this role you will lead and grow a nuclear mechanical engineering capability within our multidisciplinary team. You’ll oversee projects from concept to delivery, shaping design and client outcomes. You’ll balance engineering...Read More>>.

Overview As Senior Mechanical Engineer at SEA, you will provide design and development support for mechanical hardware across commercial and military projects. You will collaborate with customers, suppliers and cross-functional teams to del...Read More>>.

Overview In this role you will contribute to the mechanical design of release systems within L3Harris Brighton, leading engineering work packages and shaping robust mechanical architectures. You will work cross-functionally to ensure design...Read More>>.

Overview Senior Mechanical Design Engineer sought to design mechanical and electro-mechanical enclosures for specialist semiconductor machinery. You will craft innovative 3D models for plastic injection mouldings and small fabrications, whi...Read More>>.

Overview As a Senior Mechanical Engineer, you will help enable early retrievals and operations for MSSS SEP machines, working alongside the principal engineer. You’ll produce key technical deliverables and design packages that support man...Read More>>.

Overview In this role you will lead the mechanical design of water and wastewater projects from concept to commissioning, integrating with multi-discipline teams. You will contribute to the Living Water Enterprise partnership, shaping effic...Read More>>.

Overview In this role you contribute to sustainable building design as part of Arup’s Building Engineering team in Southampton. You will develop mechanical designs across new build, retrofit and refurbishment projects, collaborating with...Read More>>.

Overview In this role you own mechanical design for avionics and payload installations within a fast-paced aerospace and defence team. You’ll take hardware from concept through qualification to production and collaborate across discipline...Read More>>.

Overview Associate Mechanical Engineer roles in the UK data centre sector offer leadership across multiple mission-critical projects. You will work with directors and senior stakeholders to balance technical oversight with client management...Read More>>.

Overview In this role you will lead mechanical design for water and wastewater projects within a UK-focused, design-and-build JV. You will shape the mechanical scope from concept through commissioning, ensuring safe, cost-effective solution...Read More>>.

Overview In this role you will provide technical leadership across major capital projects within UU Design, shaping water and wastewater infrastructure that serves millions. You’ll influence projects from feasibility to handover, driving...Read More>>.

Overview In this Senior Mechanical Engineer role, you will design complete mechanical systems and HVAC solutions for data centres, collaborating with cross-disciplinary teams. You will drive concept design through detailed design, ensuring...Read More>>.

Overview In this role you lead ultra-high-precision mechanical design efforts from concept to production, shaping product direction and technical standards. You mentor engineers and guide cross-functional teams to solve complex problems and...Read More>>.

Overview In this role you ensure optimal environmental conditions on site and deliver planned and reactive maintenance for M&E systems. You will assess and improve building performance, working with BGIS and site stakeholders to keep system...Read More>>.

Overview In this Principal Mechanical Engineer role, you’ll advance bespoke tooling to support MSSS SEP operations and early retrievals. You’ll lead a small design/engineering team, defining requirements and guiding tooling concepts thr...Read More>>.

Overview In this role you will maintain and service on-site plumbing, ventilation, heating/cooling and water systems to keep buildings safe, compliant and operating efficiently. You will be part of a small, static site team on a prestigious...Read More>>.

Overview As Principal Mechanical Engineer, lead the technical discipline across multiple projects, delivering energy-efficient, sustainable building solutions. Mentor junior engineers while contributing to hands-on design work. Build strong...Read More>>.

Overview As a BT Networks Field Engineer, you will safeguard 24/7 network availability by maintaining low/high voltage systems, generators, UPS, cooling, and alarms across BT sites. You will lead by example, share knowledge, and own designa...Read More>>.

Overview As a Responsible Mechanical Engineer at Huntsman Wilton you will safeguard the safe, reliable operation of key production assets within a COMAH top-tier environment. You will be the mechanical authority on site, shaping asset integ...Read More>>.

Overview As a Senior Mechanical Engineer in our London office, you lead and shape a range of building services projects from concept to completion. You will contribute specialist knowledge, drive high-quality design, and mentor junior staff...Read More>>.

Overview You will design precision mechanical components for optical systems and verify performance through modelling and prototyping. You will translate optical requirements into manufacturable designs and ensure alignment, tolerancing, an...Read More>>.

Overview In this Senior Mechanical Engineer role, you will lead mechanical design work for mining and related infrastructure projects, ensuring high-quality technical outcomes. You will engage with mining clients, build strong relationships...Read More>>.

Overview As a Senior Mechanical Engineer, you will own mechanical building services projects from concept to completion, leading design and coordination of HVAC and public health systems. You will work with a multidisciplinary team and mana...Read More>>.

Overview In this Senior Mechanical Handling Engineer role, you lead delivery of major infrastructure and engineering programmes at Devonport, working within a multidisciplinary team to oversee mechanical handling, crane systems and dockside...Read More>>.

Overview In this role you lead the mechanical design strategy for large-scale data centre developments, providing technical leadership and assurance across multiple projects. You influence design direction, establish standards, and mentor e...Read More>>.

Overview In this role, you will lead mechanical design delivery on Scotland water projects within a multidisciplinary team, shaping sustainable water and wastewater infrastructure from design through construction. You’ll collaborate with...Read More>>.

Overview As a Senior Mechanical Engineer at Assystem, you will contribute to complex nuclear projects from Derby, shaping reliable and safe mechanical designs. You will work within a cross-functional team to deliver technically sound soluti...Read More>>.

Overview In this role you will lead the design and delivery of mechanical building services for complex UK and international projects. You will shape system strategies from inception to completion and drive sustainable, energy-efficient des...Read More>>.

Overview In this role you will lead the design and release of new high-density liquid cooling products within a global, cross-functional development group. You drive technical direction, architecture decisions, and ensure quality standards...Read More>>.

Overview In this role you lead mechanical infrastructure across the Trust’s estate, ensuring safety, resilience and compliance. You will shape standards, risk management and asset performance in a large, clinically critical environment. Y...Read More>>.

Overview In this role you will lead mechanical design on high-profile, multi-disciplinary projects from concept to handover. You will join Cundall’s Edinburgh team, focused on low-energy design and decarbonisation to create energy-efficie...Read More>>.

Pay Rate: £15.00 per hour PAYE (Negotiable)Start Date: 05/10/2026Duration: Until 30/11/2026Hours: Monday to Friday, 7:30am - 4:00pm (8.5 hours per day)Maintenance Mechanical Engineer Required...Read More>>.

Overview In this role you will deliver end-to-end engineering solutions for Rotork’s core products, driving enhancements and new technologies. You will work with cross-functional teams to translate requirements into robust outputs, ensure...Read More>>.

The post holder will be responsible as the lead specialist for the design & management of mechanical services at all properties owned or maintained by the Trust. Ensuring that the service is provided efficiently and effectively to the highest p...Read More>>.

Essentia, part of Guy’s and St Thomas’ NHS Foundation Trust, is seeking a Senior Mechanical Engineer to provide professional leadership and technical authority for mechanical infrastructure across the Trust’s estate. The role will safeguard...Read More>>.

We're looking for a Mechanical Engineering Manager to lead and develop our mechanisms engineering capability, combining technical leadership, people development and strategic engineering with hands‑on problem-solving. What you’ll be do...Read More>>.

About Vantage Data CentersVantage Data Centers powers, cools, protects and connects the technology of the world's well-known hyperscalers, cloud providers and large enterprises. Developing and operating across North America, EMEA and A...Read More>>.

Job Description: Your impactDo you want to be a part of the Team developing the next generation of Sensors? At Leonardo, we have an opportunity for Mechanical Engineers to join our Team, where you will work alongside some of the UKs mo...Read More>>.