Principal Mechanical Engineer

Company IconAssystem
Location IconHelensburgh

Overview In this role you support the Client Design Authority to safeguard and optimize infrastructure systems within a highly regulated environment. You will shape mechanical design packages, ensure safety and regulatory compliance, and co...Read More>>.

Posted: September 30th, 2026
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Associate Mechanical Engineer

Company IconPeace Recruitment Group
Location IconGlasgow

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>>.

Posted: September 30th, 2026
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Resident Mechanical Engineer

Company IconEquans
Location IconMacclesfield

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>>.

Posted: October 1st, 2026
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Associate Mechanical Engineer

Company IconAECOM
Location IconWarrington

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconSystems Engineering & Assessment
Location IconBeckington

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconL3Harris Technologies
Location Icon

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconRedline Group
Location IconEast Sussex

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>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconWSP Group
Location IconCardiff

Overview In this role you will lead mechanical engineering efforts for process plant projects in fine chemicals, pharma, and related industries. You will work within a multidisciplinary team to deliver design, calculations, and construction...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconAFRY
Location Icon

Overview In this role, you join AFRY’s Energy Division to lead engineering projects across thermal and renewable energy. You will deliver high‑quality design outputs, conduct technical and economic feasibility work, and support project...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconMott MacDonald Bentley
Location IconDurham

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>>.

Posted: October 1st, 2026
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Associate Mechanical Engineer

Company IconEligo Recruitment
Location Icon

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>>.

Posted: October 1st, 2026
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Associate Mechanical Engineer

Company IconAshbys Consulting
Location IconLondon

Overview Associate Mechanical Design Engineer at a renowned engineering consultancy. You will lead projects, manage key clients, and guide the mechanical team to deliver across complex building services. You’ll collaborate with the senior...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconRamboll Management Consulting
Location IconLondon

Overview In this role you will contribute to Ramboll's Building Services projects in London, delivering robust mechanical design for complex buildings. You will work within a multidisciplinary team, mentoring junior engineers and maintainin...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconAshbys Consulting
Location Icon

Overview In this role you will lead and coordinate mechanical design for building services across RIBA stages, with a focus on high-performance HVAC solutions for landmark projects. You will act as project lead on selected assignments, enga...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconMott MacDonald
Location IconManchester

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>>.

Posted: October 1st, 2026
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Site Mechanical Engineer

Company IconBrookfield Global Integrated Solutions
Location IconLondon

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>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconSafran Group
Location IconLondon

Overview As a Principal Electro-Mechanical Engineer, you will lead the technical and economic performance of mechanical systems for rotating machinery and electric machines across product lifecycles. You will shape roadmaps, perform market...Read More>>.

Posted: October 1st, 2026
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Responsible Mechanical Engineer

Company IconHuntsman
Location IconWilton

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconAshbys Consulting
Location IconLondon

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconAECOM
Location IconPerth

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>>.

Posted: October 1st, 2026
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Placement Mechanical Engineer

Company IconMott MacDonald Bentley
Location IconNewport

Overview In this year-long placement, you will split time between design and construction teams within the United Utilities framework, contributing to real-world water and wastewater projects. You will collaborate with experienced mechanica...Read More>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconEligo Recruitment
Location Icon

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>>.

Posted: October 1st, 2026
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Principal Mechanical Engineer

Company IconAECOM
Location IconPerth

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconAssystem
Location IconDerby

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>>.

Posted: October 1st, 2026
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Senior/Mechanical Engineer

Company IconMatchtech
Location IconLondon

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>>.

Posted: October 1st, 2026
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Lead Mechanical Engineer

Company IconVertiv Holdings
Location Icon

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconThe Management Recruitment Group
Location IconLondon

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>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconCundall
Location IconEdinburgh

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>>.

Posted: October 1st, 2026
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Electrical / Mechanical Engineer

Company IconBT Group
Location IconNewcastle upon Tyne

Overview In this role you ensure BT’s networks stay online 24/7 by maintaining electrical power and cooling systems across diverse sites. You will work with cross-functional teams, own designated patches, and contribute to meeting tight S...Read More>>.

Posted: October 2nd, 2026
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Mechanical Engineer (Nuclear)

Company IconRotork
Location IconBath

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>>.

Posted: October 2nd, 2026
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Radar Systems Mechanical Engineer - Lead Design & Safety

Company IconJAM
Location Icon

JAM is seeking a highly skilled Product Safety Engineer to advance mechanical and radar system development across the full lifecycle. You will analyse performance data from models and real-world tests, guiding design to meet functional goals and c...Read More>>.

Posted: October 1st, 2026
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Senior Mechanical Engineer

Company IconNigel Wright Group
Location IconScotland

Our client An established engineering organisation is seeking a Senior Mechanical Project Engineer to coordinate significant customer–led projects and provide clear direction to multidisciplinary teams. The opportunity T...Read More>>.

Posted: October 3rd, 2026
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Senior Mechanical Engineer

Company IconReed
Location IconScotland

Senior Mechanical Design Engineer Aberdeen GBP64,000-GBP76,000 DOE Monday - Friday 8:00am - 4:30pm We're recruiting for an experienced Senior Mechanical Design Engineer to join a leading marine engineering...Read More>>.

Posted: October 3rd, 2026
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Senior Mechanical Engineer

Company IconSL Engineering Consultancy Ltd
Location IconDronfield

Salary: £67,500 per annumHours: Days, Monday to FridayContract: Full-time, PermanentWe're looking for someone who isn't afraid to get stuck in, can lead by example and has the technical knowledge to support a busy engineering...Read More>>.

Posted: October 3rd, 2026
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