Senior Mechanical Engineer Location: Warrington or Abingdon (Hybrid) Permanent Monday - Friday, 37 hours per week Two days in the office, 3 days working from home Key Responsibilities Deliver technical engineering studies across FEED, detailed design, commissioning, and operational support phases. Support multidisciplinary engineering teams within regulated environments. Produce and review technical documentation including technical notes, substantiation notes, P&IDs, flow diagrams, layouts, drawings, and specifications. Support hazard identification and malfunction management activities. Review supplier and supply chain technical documentation. Deliver studies relating to: Mechanical handling and transfer systems Powder handling, milling, and compaction technologies Glovebox and high active environment processes Mechanical dismantling technologies Support full project lifecycle activities including manufacture, testing, construction, commissioning,...

Position: Mechanical Engineer Location: Warrington Start Date: ASAP Hours: 37 hours per week, Monday - Friday Hybrid: 3 days in the office and 2 days home working Mechanical Engineer - Nuclear Projects This role involves supporting the delivery of specialist mechanical engineering work across the full project lifecycle, from concept and FEED through to detailed design, construction support, commissioning, and operational phases within regulated nuclear environments. You will contribute to the design and delivery of mechanical systems and processes, including handling systems, transfer equipment, and specialised process technologies used in controlled or high-active environments. Work will also include technical studies, documentation development, and supplier/subcontractor coordination. Key Responsibilities Deliver and support mechanical engineering studies and project work Contribute to design development from concept through to detailed design and implementation...

Senior Mechanical Engineer - Building Services Croydon Hybrid Working Available An established, employee-owned Building Services Consultancy is looking to appoint a Senior Mechanical Engineer to join its growing Croydon team. With decades of experience delivering innovative engineering solutions across the built environment, the business has developed a strong reputation for technical excellence, sustainable design, and long-standing client partnerships across London and the South East. The company delivers full MEP building services design alongside specialist low carbon and energy advisory services across a broad range of sectors including commercial, healthcare, education, leisure, residential, and industrial developments. What makes this opportunity particularly unique is the company culture and progression pathway. As an employee-owned business, staff benefit directly from the company's success through an annual tax-free bonus scheme, alongside a genuinely collaborative...

Position: Principal Mechanical Engineer Location: Warrington or Abingdon (flexible with location) Start Date: ASAP Hours: 37 hours per week, Monday - Friday Hybrid: 3 days in the office and 2 days home working Mechanical Engineer - Nuclear Projects The Mechanical Engineer will work within multi-disciplinary engineering teams delivering projects across different lifecycle stages, from FEED through to detailed design, commissioning, and operational support within regulated nuclear environments. You will be involved in mechanical design and technical studies, supporting a range of systems including handling equipment, mechanical transfer systems, and process equipment used in high-active or controlled environments. Work will also include design development, technical documentation, and support across construction, commissioning, operations, and decommissioning phases. Key Responsibilities Deliver and manage mechanical engineering studies and design work Produce and...

Established building services consultancy, diverse project exposure and strong team support. This opportunity is suited to an experienced Mechanical Engineer looking to further develop their expertise within a well respected SME building services consultancy. The role offers the chance to work across a range of projects from concept through to completion while contributing to high quality engineering solutions within a collaborative team environment. The successful candidate will join an established consultancy delivering mechanical building services design across new build, redevelopment and refurbishment projects. The Role: The successful candidate will take a hands-on role in the delivery of mechanical building services projects from inception through to completion. You will be responsible for surveying, designing, coordinating, reporting and inspecting the installation of mechanical services within buildings. Working across a variety of projects, you will contribute...

Mechanical Engineer - Train Interface At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 86,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars. Location: Derby Appointment Basis: Permanent Apply by: 22/06/2026 Salary: circa £53,000 - £55,000 DOE plus benefits At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 86,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars....

Senior Mechanical Engineer - Building Services Consultancy Bristol Up to 60k Overview This award-winning building services consultancy integrates sustainable solutions into every project they deliver, across commercial, residential, education and industrial sectors. With a spacious, modern office in Bristol city centre and a team of around 20 engineers, they've built a genuinely collaborative environment, deliberately moving away from the traditional corporate mould in favour of something more people-focused. That culture shows up in the day-to-day: flexible working, monthly socials ranging from dragon boat racing to rugby tournaments, and a team that clearly enjoys spending time together. Projects are varied and technically interesting - recent wins span new-build residential, commercial, hotels and laboratory fit-outs, with a consistent focus on low-carbon design running through everything they do. Following a period of steady growth and a strong run of new...

Senior/Principal/Mechanical Engineer My client is an engineering design consultancy working closely with a wide range of clients, across a number of disciplines within the UK rail and utilities industries. Full time role from the St Albans Office with occasional site visits for which travel expenses will be paid. Hybrid working possible when required provided agreed in advance. Can be contract (outside IR35) or permanent role. Responsibilities: Provide design deliverables that satisfy safety and quality requirements. Produce design calculations and drawings for the water industry Direct and develop CAD technicians. Prepare scopes for and check output of subcontract M&E design teams Liaise with, prepare specifications for and review tender responses from equipment suppliers and manufacturers Prepare design investigations, reports and specifications. Design in compliance with relevant technical, professional and group standards. Ensure project change for...

Commercial plumber/Mechanical engineer Salary 45,000 - 50,000 Essex Our client is currently recruiting for a commercial plumber who has a strong mechanical knowledge to join their service/maintenance team. The company offers a complete range of building services to their clients, working to the highest level of standards. The chosen engineer will be responsible for looking after a variety of commercial properties within the public sector around Essex, occasionally traveling down to Kent and into North London. Job Description Service, reactive, maintenance and PPMs General mechanical tasks like AHUs, FCUs, ventilation systems and HVAC Commercial plumbing tasks Occasionally pitch in with other tasks like lighting tests, etc Participate in call out Communicate with senior members of staff to achieve the best customer service Requirements Proven experience in mechanical engineering Commercial plumbing experience Be able to pass...

Various locations across North East – Apply now to register your interest. Ashington, Blyth Darlington, Durham, Redcar, Stockton Are you an experienced and ambitious PSV Mechanic / Engineer looking for your next career move? Join Arriva and help keep our buses and coaches moving, connecting our communities every single day. This is an evergreen vacancy to support our ongoing engineering recruitment campaign. Apply to express your interest in a role with us, and one of our team will be in touch to explore which depot is best suited to you! What we can offer you: Competitive salary with overtime opportunities Full-time, permanent roles 24 days annual leave + 8 bank holidays Fantastic career progression and training opportunities Free bus travel for you and a nominated family member If you don’t have a PCV licence, we’ll teach you to drive a bus Arriva Village – Retail discounts & offers worth up to £1,200/year Wellbeing support & Arriva...

Various locations across the Midlands – Apply now to register your interest. Luton, Telford, Shrewsbury. Are you an experienced and ambitious PSV Mechanic / Engineer looking for your next career move? Join Arriva and help keep our buses and coaches moving, connecting our communities every single day. This is an evergreen vacancy to support our ongoing engineering recruitment campaign. Apply to express your interest in a role with us, and one of our team will be in touch to explore which depot is best suited to you! What we can offer you: Competitive salary with overtime opportunities Full-time, permanent roles 24 days annual leave + 8 bank holidays Fantastic career progression and training opportunities Free bus travel for you and a nominated family member If you don’t have a PCV licence, we’ll teach you to drive a bus Arriva Village – Retail discounts & offers worth up to £1,200/year Wellbeing support & Arriva Workplace Pension What...

Various locations across North East – Apply now to register your interest. Castleford, Dewsbury, Heckmondwike, Wakefield. Are you an experienced and ambitious PSV Mechanic / Engineer looking for your next career move? Join Arriva and help keep our buses and coaches moving, connecting our communities every single day. This is an evergreen vacancy to support our ongoing engineering recruitment campaign. Apply to express your interest in a role with us, and one of our team will be in touch to explore which depot is best suited to you! What we can offer you: Competitive salary with overtime opportunities Full-time, permanent roles 24 days annual leave + 8 bank holidays Fantastic career progression and training opportunities Free bus travel for you and a nominated family member If you don’t have a PCV licence, we’ll teach you to drive a bus Arriva Village – Retail discounts & offers worth up to £1,200/year Wellbeing support & Arriva Workplace...

Location: Wells, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Working within a small team of engineers primarily at the Thales Underwood Quarry site in Wells to supply Radar Cross Section (RCS) measurement services to the UK Ministry of Defence and industry partners. The team is responsible for conducting both indoor and outdoor RCS measurement tasks to enable characterisation of customer-supplied assets/platforms of varying physical size and expected signature level. The Mechanical Engineer will be looking to develop their expertise and understanding in the specification, design and build...

Location: Belfast, United Kingdom Thales is a global technology leader with more than 83,000 employees on five continents. With over 7,500 people in the UK, operating across defence, space, aerospace, and digital security, we help build a future we can all trust. Thales supports the security and stability of our nation by providing extraordinary technology to our customers, as well as delivering social value to the UK with our products and services. Senior Mechanical Engineer The Role We are seeking an experienced a Senior Mechanical Design Engineer who has a proven ability to apply engineering first principles and knowledge to new & existing products within the IAS portfolio. Working as part of a large Mechanical Design team, the Senior mechanical design engineer collaborates with local teams and multiple stakeholders to produce detailed Mechanical designs and support to a range of Weapon System, Missile and Platform products to satisfy customer...

Senior Mechanical Engineer - Water Sector St Albans: Hybrid (3 Days Office) Permanent: 50-60k Advance TRS are supporting a rapidly growing consultancy in their search for a Senior Mechanical Engineer. Joining a newly formed London business unit, you'll have the unique opportunity to help build a team from the ground up, influence how projects are delivered, and play a significant role in the future growth of the business within the UK water market. You'll lead the mechanical design of clean water and wastewater projects, producing high-quality engineering solutions while mentoring junior engineers and coordinating multidisciplinary design teams. Key Responsibilities: Deliver mechanical design solutions for water and wastewater projects Produce calculations, reports, specifications and design drawings Lead and review work from junior engineers and CAD technicians Coordinate with suppliers, manufacturers and subcontract design teams Ensure designs meet industry...

Principal Mechanical Engineer - Water Sector Bristol, Exeter or Cardiff Hybrid 2-3 days per week 60-70k + excellent benefits Advance TRS are partnering with a global engineering consultancy who are looking for a Principal Mechanical Engineer. With AMP8 driving major change, this is your opportunity to lead meaningful projects that tackle climate and environmental challenges head-on. What you'll do: Lead mechanical design across the full project lifecycle-from concept to construction Deliver innovative solutions for water & wastewater treatment, pumping stations, and infrastructure Collaborate with multidisciplinary teams, clients, and contractors Mentor and support the next generation of engineers What you'll bring: Degree in Mechanical Engineering (or similar), ideally Chartered or working toward it Strong experience in detailed design within the water sector A collaborative mindset and passion for sustainable engineering Why join...

Are you an experienced Mechanical Engineer with experience and knoweldge of repairing pumps and motors looking for a new opportunity. Our client is a leading manufacturer in Hereford looking to add the skills and experience of a maintenance Engineer to join their Engineering team. Ideally you will have experience working within a Manufacturing or facilities environment conducting pre-planned and reactive maintenance to Production Equipment. Main duties: Conducting routine inspections of equipment. Performing Preventative maintenance. Diagnosing Mechanical issues and correcting them. Ensure quick reaction to any breakdowns that occur. Maintain key spares for equipment and spare items of equipment. Carry out Mechanical installations. General repair and upkeep of the building infrastructure. Maintain accurate records. Schedule PPM and repairs for equipment. This is a permanent opportunity based in Hereford, Double day shift pattern Monday to Friday no...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-In-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 depending on experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering advanced, technology-led defence, aerospace and security solutions, shaping a safer future for all of us. From the depths of the ocean to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you will be doing: In this role, you will deliver engineering assurance across Maritime Submarines products, ensuring product integrity and compliance across major programmes. You...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-In-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 depending on experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering advanced, technology-led defence, aerospace and security solutions, shaping a safer future for all of us. From the depths of the ocean to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you will be doing: In this role, you will deliver engineering assurance across Maritime Submarines products, ensuring product integrity and compliance across major programmes. You...

Job Title: Lead Mechanical Engineer - Product Assurance Location: Barrow-In-Furness, Hybrid We offer a range of hybrid and flexible working arrangements - please speak to your recruiter about the options for this particular role. Salary: Circa £55,000 depending on experience Who we are: Join BAE Systems and you'll be part of something bigger. As a valued member of our global colleague network, you'll bring your unique skills and perspectives to help pioneer progress and protect what matters most. You'll be trusted to play your part in delivering advanced, technology-led defence, aerospace and security solutions, shaping a safer future for all of us. From the depths of the ocean to the far reaches of space, there's no limit to where a career at BAE Systems could take you. What you will be doing: In this role, you will deliver engineering assurance across Maritime Submarines products, ensuring product integrity and compliance across major programmes. You...