principal mechanical engineer jobs in United Kingdom

Job Description Senior / Principal Mechanical Engineer Building Services Design Salary up to & around £65,000 + benefits listed belowWant something different from your career?Do you have proven building services design experience and wanting more autonomy, the chance to run projects and help grow a business?If you're at the top of your game and want to work with a growing, ambitious and well...

Job Description Principal Mechanical Engineer, Nuclear, COR7349 As a highly experienced Mechanical Engineer, the Principal Mechanical Engineer will take complete ownership of projects relating to the delivery of world class technology solutions, such as handling systems in complex hazardous environments. In a client-facing role, including travelling to nuclear sites and facilities across the UK...

Job Description Principal Design Engineer (Mechanical)An excellent opportunity has arisen for a Senior / Principal Mechanical Design Engineer to join a national building services consultancy. This is a permanent, full-time role operating within an agile and flexible working framework, based from a UK office with hybrid working available.About the roleYou will join a collaborative team of...

Job Description Your new companyWorking in the education sector, this company will provide you with amazing benefits when working for their in-house building services team. Your new roleAs a principal engineer, you will be responsible for a large estate reporting to the head of building services and engineering. You will be based in central Manchester and will be responsible for budgets and all...

Job Description Our client, a leader in the Defence & Security sector, is currently seeking a Principal Engineer - Mechanical Engineer (Platform Equipment) to join their dynamic team in Barrow. This contract role offers a hybrid working arrangement, requiring 2-3 days per fortnight on-site. Key Responsibilities: - Assisting in the production of estimates and the creation of design requirement...

Job Description Principal Mechanical EngineerHigh-Performance Defence & Autonomous Systems | £70k | North East EnglandA fast-growing, high-technology engineering business is looking for a Principal Mechanical Engineer to lead the design of advanced electro-optical and autonomous systems used in real-world defence and security environments.This is a hands-on leadership role for a senior...

PRINCIPAL MECHANICAL DESIGN ENGINEER POSITION : Principal Mechanical Design Engineer LOCATION : Commutable from Leeds, Sheffield , Lincoln , Grimsby , Doncaster , York , Hull , Beverley. Hybrid role. SALARY AND BENEFITS : £65 - 70 K + £500 PCM Car Allow OR Company Car with fuel card. Electric Options available , Health Benefits , Bonus A starting bonus may be also be available THE ROLE : Our...

Job Title: Principal Mechanical Engineer Location: Stoke Gifford, Bristol + Hybrid Working Arrangement Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent As a Principal Mechanical Engineer, you'll have a role that's out of the ordinary. You'll maintain the engineering configuration, ensuring the overall design intent and integrity is maintained throughout design...

Job Title: Principal Mechanical Design Engineer Location: Barrow-in-Furness. We offer a range of hybrid and flexible working arrangements please speak to your recruiter about the options for this role Salary: Circa £55,000 What youll be doing: - Lead the end-to-end development of complex fluid systems, shaping designs that meet demanding performance and environmental requirements - Create and...

Principal Mechanical Engineer - Water Sector Locations: Southampton, Brighton or Kingshill Hybrid: 2-3 days per week in the office Salary: £70-75k With major AMP8 investment and strong regional growth, Advance TRS are working with a leading consultancy who are expanding their engineering team. They are seeking a Principal Mechanical Engineer to step into a regional lead role-combining...

Job Title: Principal Mechanical Engineer Location: Preston, Lancashire + Hybrid Working Arrangement Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent / 37 hours per week As a Principal Mechanical Engineer, you'll have a role that's out of the ordinary. You'll maintain the engineering configuration, ensuring the overall design intent and integrity is maintained thro...

Job Description Are you an experienced Principal Mechanical Design Engineer who is looking to join a world leading R&D company, focusing on an existing aerospace and aviation project founded by the government, based on Loughborough? Do you want to work on a range of exciting aerospace and aviation projects and technologies that will really make a difference to the future? If the answer is Yes,...

Senior/Principal Mechanical Engineer Full time 2026-02-01 Posted Today R-147327 Job Description Overview Shape the Future of our cities and environments. Are you a Mechanical Engineer who is passionate about making the world a better place? Are you ready to take up a vital role in some of the UK's most exciting and innovative projects? Join AtkinsRéalis and take a leading role in shaping the...

Manage the entire HR recruitment process, handle expatriate management, and support HR administrative functions and system enhancements. Ensure compliance with labor laws and facilitate staff Coordinator will manage projects, conduct data analysis on client benefits, prepare reports, and optimize processes within the team. Top Skills: ExcelPower BILocation: Belfast, United Kingdom Thales people...

Your new company Are you ready to take a key role in shaping critical water infrastructure projects across the UK? This is your opportunity to join a global leader in design, engineering, and project management - a company that delivers innovative solutions to create sustainable communities and resilient infrastructure worldwide. Your new role As a Principal Mechanical Engineer, you'll lead...

Job Title: Principal Mechanical Engineer Location: Preston, Lancashire + Hybrid Working Arrangement Compensation: Competitive Salary + Benefits Role Type: Full time / Permanent / 37 hours per week As a Principal Mechanical Engineer, you'll have a role that's out of the ordinary. You'll maintain the engineering configuration, ensuring the overall design intent and integrity is maintained...

Job Description Principal Mechanical Engineer Building Services DesignPlymouth centreSalary up to & around £70,000 + benefitsWant to work on some of the region's most exciting projects?Seeking progression, project variance, more responsibility and a sociable workforce?If you want to be part of a close team with all the benefits of a national sized company and the opportunity to really develop...

Job Description Senior/Principal Mechanical Engineer - Building Services Oxford Area Salary up to & around £70,000 DOE + BenefitsWant to work with a growing and well-established Engineering Consultancy around Oxford?Seeking responsibility, more career progression and almost complete flexibility with your diary?For more information on this vacancy, please get in touch with Jevon Astley-Jones on...

Job Description Senior /Principal Mechanical EngineerGrowth into Head of Building Services DesignEssex - Billericay AreaUp to £85,000 DOE + generous bonus structure (potential flexibility on salary depending on individual and experience) + car allowance + hybrid structure + chartership status + great company benefits Of all the Building Services Design positions I've worked on, this is one of...

Job Description Principal / Associate Mechanical EngineerGrowth into Head of Building Services DesignEssex - Billericay AreaUp to £85,000 DOE + generous bonus structure (potential flexibility on salary depending on individual and experience) + car allowance + hybrid structure + chartership status + great company benefits Of all the Building Services Design positions I've worked on, this is one...