Principal Mechanical Engineer

Company IconOrano
Location Icon

Within the Engineering team, the Mechanical Engineer will integrate operational engineering multi-disciplines teams delivering projects at various phases, from FEED to commissioning, or in assistance to Plant Operation in the UK. Responsibilities...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconAdvance TRS
Location IconRhyl

Mechanical Design Engineer (Lead / Principal grade) Our client is seeking a highly experienced Principal Mechanical Engineer (contract or permanent) to lead the design and delivery of complex water and wastewater infrastructure project...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconCorriculo Recruitment
Location Icon

Corriculo Recruitment provided pay rangeThis range is provided by Corriculo Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangePrincipal...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconHartmann Young
Location IconCambridge

Principal Engineer (Mechanical) - Diagnostic Medical Devices Hartmann Young have partnered with an innovative biotechnology company in the East Anglia region of the UK, who are expanding their engineering team with the addition of a Pr...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconBelcan
Location IconEast Midlands

Advanced Engineering & Clean‑Tech MachineryPermanentHybridAre you an experienced Mechanical Design Engineer looking to take the lead on complex, cutting‑edge engineering projects?We’re supporting a pioneering engi...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconETA Green Power, Ltd.
Location IconHethel

The Principal Mechanical Engineer at ETA is a key member of the engineering team, responsible for the mechanical design, thermal performance, and physical integration of electric motors within ETA products. This role focuses on deliverin...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconAtlas Recruitment Group Ltd
Location Icon

Senior Mechanical Engineer - ThermalSalary: Up to £55,000 DOELocation: Isle of Wight - Hybrid (generous relocation available)The Mechanical Engineering TeamAs you en...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconVertical Recruitment
Location IconManchester

Senior / Principal Mechanical Engineer – Building Services Consultancy We are working exclusively with a respected multi‑disciplinary consultancy to appoint a Senior / Principal Mechanical Engineer to their South Manchester or city...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconHDR
Location IconManchester

At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we work to wea...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconRivan Industries
Location IconLondon

We’re looking for a talented Senior Mechanical Engineer to own one of our sub-systems to drive that forward, tasked with uncovering new ways of thinking about our system integration, performance, longevity, and manufacturability. If you thriv...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconUltra Maritime
Location IconLondon

Protecting What Matters. Powering The Future Of Naval Technology. Ultra Maritime is a global leader in advanced maritime defence solutions. We operate at the forefront of innovation, delivering technologies that protect lives, secure n...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconCMS2 - Critical Maritime Systems & Support
Location IconPortsmouth

Senior Mechanical Engineer Department: Mechanical EngineeringLocation: Portsmouth Join to apply for the Senior Mechanical Engineer role at CMS2 - Critical Maritime Systems & Support. Senior Mechanical Engineers lead...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconJFD Global
Location IconWesthill

Senior Mechanical Engineer Join to apply for the Senior Mechanical Engineer role at JFD Global. This role requires security checks. Overview To provide engineering design solutions and throug...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconEnsera Design
Location IconBristol

Ensera Design is a world-class user-centred innovation and product development consultancy, specializing in the medical and consumer health sectors. As part of Ensera, we collaborate globally with contract manufacturing facilities in Europe, th...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconMetropolitan Services
Location IconLondon

Job Description MECHANICAL SENIOR ENGINEER Group Metropolitan was founded in 1985 as an electrical contractor carrying out small moves and changes projects for a select few clients. Over the past 35 years, we have grown into a t...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconAmododesign
Location IconSheffield

We are a Sheffield based start‑up providing expert engineering consultancy to a variety of clients and industries. We primarily focus on engineered product design, and work in a range of industries and contexts from biotech and medtech to wat...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconBox Twenty Consulting Engineers
Location Icon

Box Twenty Consulting Engineers provided pay rangeThis range is provided by Box Twenty Consulting Engineers. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay range...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconRoss & Baruzzini
Location IconLondon

Join Introba, a global team of engineers, designers, and consultants shaping the future. Together, we elevate human experiences, build resilient communities, and protect the planet. Our Living Systems approach creates dynamic, smart, and connected en...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconMillbank
Location IconManchester

Overview A leading engineering consultancy is seeking an experienced Mechanical Design Engineer to join their water division. You will be involved in delivering complex design solutions, providing technical leadership, and supporting the...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconCollina MEP
Location Icon

Senior Mechanical Engineer | Bristol (Hybrid) | Sustainable Design Focus Are you an experienced Mechanical Engineer ready to lead impactful projects and drive low‑carbon design? Join a forward‑thinking, agile consultancy where...Read More>>.

Posted: June 6th, 2026
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Senior Mechanical Engineer

Company IconTGA Consulting Engineers LLP
Location IconLeeds

TGA are an expert provider of professional design and consultancy services in the fields of Building Services Engineering, Building Performance and Low Carbon Design. As part of planned growth, TGA are currently recruiting for a Senior Mechanic...Read More>>.

Posted: June 6th, 2026
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Principal Mechanical Engineer

Company IconNUVIA
Location IconWarrington

Location: Birchwood Park, Risley or Albion Square, Cumbria Arrangement: Permanent or Contract NUVIA UK's Technical Services & Consulting department is fast growing with hybrid opportunities available up and down the...Read More>>.

Posted: June 14th, 2026
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Principal Mechanical Engineer

Company IconNUKEM Ltd.
Location IconWarrington

Job title Principal Mechanical Engineer Contract type Permanent Telework? Hybrid (telework possible) Description of the assignment Position – Principal Mechanical Engineer...Read More>>.

Posted: June 14th, 2026
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Senior Mechanical Engineer

Company IconLeidos
Location IconEssex

As a Mechanical Technical Lead, you will be responsible for the design and development of tools, fixtures, and equipment used in the manufacturing process. You will work closely with in‑house engineers and the wider Leidos cross‑functional...Read More>>.

Posted: June 25th, 2026
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Senior Mechanical Engineer

Company IconMWH Treatment Limited
Location IconRickmansworth

We are looking to strengthen our engineering team with a Senior MechanicalEngineer based at Maple Lodge, Rickmansworth with hybrid working available. You will report directly to the Regional Discipline Leadand your role will be to provid...Read More>>.

Posted: June 21st, 2026
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Senior Mechanical Engineer

Company IconL3Harris Technologies
Location Icon

L3Harris is dedicated to recruiting and developing high‑performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides...Read More>>.

Posted: June 27th, 2026
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Senior Mechanical Engineer

Company IconOracle SA
Location IconLondon

ROLE – SENIOR MECHANICAL DESIGN ENGINEER (Building Services) Design and specification of mechanical engineering solutions for buildings, to current regulations and design standards. Leading management of tasks and people on pro...Read More>>.

Posted: July 19th, 2026
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Principal Mechanical Engineer

Company IconWSP in the UK & Ireland
Location IconCardiff

Job Summary WSP is seeking a Principal Mechanical Engineer to lead mechanical engineering design and delivery for process projects in fine chemicals, food, and pharmaceutical sectors. Roles and Responsibilities Le...Read More>>.

Posted: July 20th, 2026
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Principal Mechanical Engineer

Company IconJN Bentley
Location Icon

Internal applicants are welcome. Mott MacDonald Bentley (MMB) is a capital delivery partner for Wessex Water. We manage projects across the region up to 2030, with potential for extension. Wessex Water serves 2.9 million customers...Read More>>.

Posted: July 23rd, 2026
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Principal Mechanical Engineer

Company IconAdvance Training & Recruitment Services
Location IconExeter

Principal / Associate Mechanical Engineer – Water Location: Exeter (Hybrid)Salary: Up to £75,000 + Excellent Benefits An exciting opportunity has arisen for a Principal / Associate Mechanical Engineer to join a leading e...Read More>>.

Posted: July 24th, 2026
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Senior Mechanical Engineer

Company IconAIXTRON Ltd (UK)
Location IconSwavesey

Senior Mechanical Engineer Overview As part of a multi‑disciplined team and a modern Engineering department, this role involves the continuous improvement of the Company’s world leading products through leading‑edge mech...Read More>>.

Posted: July 24th, 2026
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Senior Mechanical Engineer

Company IconAdvance Training & Recruitment Services
Location IconExeter

Senior Mechanical Engineer – Water Location: Exeter (Hybrid) Salary: Up to £55,000 + Excellent Benefits An exciting opportunity has arisen for a Senior Mechanical Engineer to join a leading engineering consultancy delivering...Read More>>.

Posted: July 24th, 2026
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Senior Mechanical Engineer

Company IconIntroba
Location IconLondon

Where Passion + Purpose AlignJoin Introba, a global team of engineers, designers, and consultants shaping the future. Together, we elevate human experiences, build resilient communities, and protect the planet. Our Living Systems appro...Read More>>.

Posted: July 25th, 2026
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Senior Mechanical Engineer

Company IconAIXTRON SE
Location IconSwavesey

Swavesey, United Kingdom // Engineering // With Professional ExperienceAs part of a multi-disciplined team and a modern Engineering department, this role involves the continuous improvement of the Company’s world leading products thr...Read More>>.

Posted: July 26th, 2026
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Principal Mechanical Engineer

Company IconBabcock Mission Critical Services España SA.
Location IconWarrington

Principal Mechanical Engineer Location: Bristol or Warrington, Cheshire Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent Drive Innovation in Defence Nuclear Engineer...Read More>>.

Posted: July 31st, 2026
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Principal Mechanical Engineer

Company IconAECO
Location IconCroydon

Primary Location: UK - Croydon, 69 Park LaneCompany DescriptionWork with Us. Change the World.At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing a...Read More>>.

Posted: August 8th, 2026
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Senior Mechanical Engineer

Company IconBretagne Pôle Naval
Location IconFalmouth

Falmouth (UK), Anglesey (Wales), Quimper (France) 29/09/2026 - 12:00 Inyanga Maritime is at the forefront of the global marine renewable energy industry, combining world-class engineering with specialist marine operations to del...Read More>>.

Posted: August 9th, 2026
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Senior Mechanical Engineer

Company IconCundall
Location IconCity of Edinburgh

The Team Cundall's Building Services Engineering team exists to make buildings dramatically more energy-efficient, sustainable and cost-effective to operate. We're proud of our track record of designing innovative, low-carbon mechanica...Read More>>.

Posted: August 9th, 2026
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Principal Mechanical Engineer

Company IconARCADIS
Location IconLondon

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Ever...Read More>>.

Posted: August 17th, 2026
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Principal Mechanical Engineer

Company IconARCADIS Group
Location IconLondon

Role description:We are looking for a Principal Mechanical Engineer with previous experience working in a consultancy environment to join our Places Design Practice. In this role, you’ll be delivering elegant and efficient mechanical...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer

Company IconSTU STEMCELL Technologies UK Ltd.
Location IconWaterbeach

Job Description SummaryAs a global leader in life sciences research support, STEMCELL Technologies is looking for a Senior Mechanical Engineer to join our Instrumentation UK engineering team. In this role, you will play a pivotal part...Read More>>.

Posted: August 17th, 2026
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Senior Mechanical Engineer

Company IconCarrington West
Location IconOxford

Are You Ready to Lead Exceptional Building Services Projects? We are an ambitious and growing practice of building services consultants with offices across Oxford, London, Manchester, and Cambridge. Our focus is on providing sustainable mechani...Read More>>.

Posted: August 20th, 2026
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Responsible Mechanical Engineer

Company IconNES Fircroft
Location Icon

Responsible Mechanical EngineerTeesside | PermanentYou'll have responsibility across areas including:Mechanical asset integrity covering fixed and rotating equipmentPressure systems integrity, including PS...Read More>>.

Posted: August 21st, 2026
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Senior Mechanical Engineer

Company IconSTEMCELL Technologies
Location IconCambridge

Job Description SummaryAs a global leader in life sciences research support, STEMCELL Technologies is looking for a Senior Mechanical Engineer to join our Instrumentation UK engineering team. In this role, you will play a pivotal...Read More>>.

Posted: August 22nd, 2026
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Responsible Mechanical Engineer

Company IconNES Group Ltd
Location Icon

Responsible Mechanical EngineerTeessidePermanentI'm recruiting for a Responsible Mechanical Engineer to join the engineering leadership team at a major industrial manufacturing site in Teesside....Read More>>.

Posted: August 23rd, 2026
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Senior Mechanical Engineer

Company IconFord & Stanley Select
Location IconStockport

Senior Mechanical Design Engineer Rail Infrastructure Hybrid North West & Yorkshire Locations Up to £48,000The SituationAn experienced Mechanical Design Engineer is required to join a leading rail engineering and infrastructure...Read More>>.

Posted: August 26th, 2026
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Principal Mechanical Engineer

Company IconweServed
Location IconPlymouth

Job Title: Principal Mechanical Engineer Location: Plymouth, Devon Compensation: £57,300 - £71,600 Depending on Experience + Benefits Role Type: Full time / Permanent Role ID: SF72890 At Babcock we...Read More>>.

Posted: August 30th, 2026
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Senior Mechanical Engineer

Company IconXrcrobotics
Location IconOxford

We’re looking for a Senior Mechanical Engineer who is passionate about robotics and wants to help drive the development of our unmanned ground vehicles.At XRC Robotics, you’ll have the freedom and responsibility to make engineering deci...Read More>>.

Posted: September 29th, 2026
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Mechanical Engineer (Nuclear Ventilation)

Company IconSmartRecruiters, Inc.
Location IconBarrow in Furness

Mechanical Engineer (Nuclear Ventilation) Full-time State/Province: South Australia Business Group: DCS Legal Entity: AECOM Australia Pty Ltd Business Line: B&P - Buildings & Places Work...Read More>>.

Posted: September 30th, 2026
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