DI Jobs
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job
  • Sign in
  • Sign up
  • Home
  • Search Jobs
  • Job Board Advertising Packages
  • Post a Job

Refine Search
Current Search
Onsite senior mechanical engineer
Refine by Categories
Engineering  (490) Information Technology  (55) Executive & Management  (45) Construction & Trades  (15) Manufacturing  (11) Finance  (9)
Consulting & Corporate Strategy  (8) Sales  (8) Other  (7) Healthcare & Medical  (4) Accounting  (3) Banking  (3) Education  (3) Trainee / Entry Level  (3) Purchasing & Procurement  (3) Scientific  (3) Creative  (3) Facilities  (2) Pharmaceutical  (2)
More
Refine by Job Type
Permanent  (443) Full Time  (104) Contract  (63) Temporary  (9)
Refine by Salary Range
£25,000 - £35,000  (2) £35,000 - £45,000  (5) £45,000 - £60,000  (4) £60,000 - £75,000  (7) £75,000 - £100,000  (22) £100,000 - £150,000  (25)
£150,000 - £200,000  (5)
More
Refine by County
Greater London  (105) England  (45) Greater Manchester  (30) Hertfordshire  (29) Oxfordshire  (23) West Midlands  (21)
Belfast  (18) Staffordshire  (18) West Yorkshire  (18) Glasgow City  (15) Bristol City  (14) Hampshire  (14) South Gloucestershire  (14) Kent  (13) Somerset  (13) West Northamptonshire  (11) Cambridgeshire  (10) Tyne and Wear  (10) Gloucestershire  (8) Warrington  (8)
More
Astute People
23 Apr, 2026
Contract
Senior Mechanical Engineer
Astute People Salford, UK
Astute's team is working with a Tier 1 Contractor to recruit a Senior Mechanical Engineer on a 6 Month rolling contract for its Salford site. Key skills required for the Senior Mechanical Engineer role Must have Bachelor's Degree (or equivalent) in Mechanical Engineering. Must have Professional Chartership. Min. 10 years of experience. Must have experience working on Water projects, ideally AMP8/AMP7 projects. Location, day rate and timeframe of the Senior Mechanical Engineer role 6 Month Rolling Contract, Permanent employment also an option. Inside IR35. Start date ASAP. Salford. Astute People are acting as an employment business in relation to this vacancy. We do not discriminate on the grounds of age, race, gender, disability, creed or sexual orientation and comply with all relevant UK legislation. We encourage applications from individuals from all backgrounds but candidates must be able to demonstrate their ability to work in the UK. Astute is also...
Calibre Search
01 Apr, 2026
Permanent
Senior Mechanical Engineer (Building Services)
Calibre Search Bristol, UK
Role: Senior Mechanical Engineer Location: Bristol (Hybrid Working) Salary: Up to 60,000 + Bonuses Overview They are a growing building services consultancy based in Bristol. Established nearly years ago, they have built a reputation for delivering a diverse range of projects, from iconic commercial developments to healthcare refurbishments, residential builds, and school decarbonization initiatives. With a strong pipeline of work, including a substantial annual turnover, the goal is to grow to a 10-15-person team and double the turnover while maintaining a supportive and flexible work environment. The Role They looking for a Senior Mechanical Engineer to join their relaxed and collaborative team. This is a delivery-focused role , with no expectation of work-winning. You'll work autonomously on projects, managing them from feasibility through to stage 5 design, attending site visits, and liaising with clients and multidisciplinary teams to deliver high-quality...
Astute People
31 Mar, 2026
Permanent
Group Senior Mechanical Engineer
Astute People Ferrybridge, Knottingley WF11, UK
Astute's Power team is exclusively partnered with enfinium to recruit a Group Senior Mechanical Engineer to work across their Energy from Waste (EfW) assets. This role will be focusing on the long-term strategy relating to integrity and performance of mechanical assets with a focus on the boilers, pressure systems and metallurgy. enfinium currently have four fully operational EfW facilities which export c.265 MW of electricity to the grid, with a further two due to be fully operational soon which will take the combined electricity export to c.358 MW. The Group Senior Mechanical Engineer comes with a competitive salary and benefits package. If you are a degree qualified Mechanical Engineer, ideally holding chartership, and are looking to work for an innovative company within the EfW sector, then upload your CV to apply today. Responsibilities and duties of the Group Senior Mechanical Engineer Reporting to the Asset Management Director you will: Provide technical...
Astute People
31 Mar, 2026
Permanent
Senior Mechanical Engineer
Astute People Bletchley, Milton Keynes, UK
Astute's Nuclear Team is partnering with a growing Engineering Consultancy to recruit a Senior Mechanical Engineer based in Milton Keynes. This Senior Mechanical Engineer role offers a salary of up to 60,000, alongside a strong benefits package and the opportunity to work within a well-established consultancy delivering complex engineering solutions. If you're an experienced Mechanical Engineer with a strong background in Building Services design and are looking to step into a senior, client-facing position with real project ownership, then submit your CV to apply today. Responsibilities and duties of the Senior Mechanical Engineer role Within the role you will: Lead and manage mechanical design projects from concept through to completion Act as a key client interface, building and maintaining strong working relationships Develop design briefs, project-specific criteria, and cost-effective engineering solutions Oversee tender processes, budgets, and commercial...
Aldwych Consulting
17 Apr, 2026
Permanent
Senior Mechanical Engineer
Aldwych Consulting Hemel Hempstead, UK
Senior Mechanical Design Engineer Birmingham An established, privately owned multi-disciplinary consultancy is seeking a Senior Mechanical Design Engineer to join its growing M&E team. This business has built a strong reputation for delivering complex, large-scale infrastructure and development schemes across the UK. With a fully integrated approach, they provide innovative, energy-focused building services solutions across sectors including residential, commercial, education, industrial and regeneration. You'll be joining a collaborative and forward-thinking environment where engineers are given the autonomy to innovate, challenge convention, and play a key role in shaping project outcomes. The Role As a Senior Mechanical Design Engineer, you will be responsible for delivering high-quality mechanical and building services designs across a diverse portfolio of projects. Key responsibilities include: Designing HVAC, mechanical and public health systems including...
Aldwych Consulting
03 Apr, 2026
Permanent
Senior Mechanical Engineer
Aldwych Consulting Birmingham, UK
Senior Mechanical Design Engineer Birmingham An established, privately owned multi-disciplinary consultancy is seeking a Senior Mechanical Design Engineer to join its growing M&E team. This business has built a strong reputation for delivering complex, large-scale infrastructure and development schemes across the UK. With a fully integrated approach, they provide innovative, energy-focused building services solutions across sectors including residential, commercial, education, industrial and regeneration. You'll be joining a collaborative and forward-thinking environment where engineers are given the autonomy to innovate, challenge convention, and play a key role in shaping project outcomes. The Role As a Senior Mechanical Design Engineer, you will be responsible for delivering high-quality mechanical and building services designs across a diverse portfolio of projects. Key responsibilities include: Designing HVAC, mechanical and public health systems including...
Eden Brown
18 Apr, 2026
Permanent
Intermediate - Senior Mechanical Design Engineer
Eden Brown London, UK
Intermediate - Senior Mechanical Design Engineer London Hybrid Working 9 Day Fortnight Up to 60k Looking for a role where you can develop your technical skills, gain real project ownership, and work in a genuinely supportive environment? This is an opportunity to join a growing, design-focused building services consultancy delivering high-quality engineering across sectors including commercial, residential, education, healthcare, and more. With a strong pipeline of work and a collaborative culture, they're looking to appoint an Intermediate to Senior Mechanical Engineer in their London office. The Opportunity Whether you're an experienced Intermediate ready to step up, or an established Senior looking for a better environment - this role offers hands-on delivery, progression, and support in equal measure. You'll work across a variety of projects, gaining exposure to all stages of design while being supported by a highly experienced team. What You'll Be...
Eden Brown
31 Mar, 2026
Permanent
Senior Mechanical Design Engineer - HVAC - 20% Bonus
Eden Brown 39 Holloway Rd, London N7 8JP, UK
Senior Mechanical Design Engineer - Building Services - 20% Bonus Central London Flexible Working Up to 75k + 20% Basic Salary Bonus, 28 days annual leave & Benefits About Our Client: Our client is a growing Building Services Engineering Consultancy located in the bustling streets of Central London. Established in 2020, They have quickly become a 10 strong team, delivering exceptional work through strong client relationships within the commercial space. They are currently seeking a highly skilled Senior or Principal Mechanical Engineer to join the design team. You will lead on two specific projects. One will be the creation of a new nightclub in a 1930's theatre. The other will be a fulfilment centre within a large industrial unit for a very well known sports brands. Besides these two specific projects the business is know for commercial office real estate and restaurants/bars. Collaborating with a small and dynamic team of design engineers, electrical...
South East Water
23 Apr, 2026
Permanent
Senior Mechanical Design Engineer
South East Water Snodland, UK
Summary: Are you a skilled mechanical engineer looking for a role that offers both technical challenge and a genuine work-life balance? Do you want to use your expertise to lead meaningful projects that provide a vital service to our community? As one of our Senior Mechanical Engineers, you'll provide the technical leadership needed to keep our MEICA team moving forward. This is a varied role where you'll oversee resource allocation, solve complex mechanical queries, and help deliver capital engineering schemes from the initial design through to commissioning. Whether you're an experienced professional looking for a more stable, value-driven environment or a rising talent ready to step into a senior position, you'll find plenty of opportunity here to make a tangible impact. Main Responsibilities: Develop Technical Solutions: Coordinate with multi-disciplinary teams-including Process and Civil-to create integrated, practical solutions for water infrastructure. Lead...
Eden Brown
15 Apr, 2026
Permanent
Senior / Principal / Associate Mechanical Design Engineer
Eden Brown Oxford, UK
Senior / Principal / Associate Mechanical Design Engineer Oxfordshire Hybrid Working 9 Day Fortnight Up to 75k Looking for a role where you can lead projects, influence clients, and still have a genuine work-life balance? This is an opportunity to join a growing, design-focused building services consultancy with a strong reputation for delivering high-quality engineering across a diverse range of sectors. With ambitious plans and a close-knit team, they're now looking to appoint a senior mechanical hire to play a key role in their Oxford office. The Opportunity This role is ideally suited to someone operating at Principal or Associate level (or a strong Senior ready to step up), who wants more ownership, visibility, and progression. You'll take the lead on projects, act as a key client contact, and help shape the growth of the team - all within a business that genuinely supports its people. What You'll Be Doing Leading mechanical design delivery from...
Eden Brown
15 Apr, 2026
Permanent
Senior Mechanical Design Engineer
Eden Brown Surrey, UK
Senior Mechanical Design Engineer Surrey Hybrid Working Up to 65k Looking for more ownership, better projects, and a genuinely collaborative environment? This is an opportunity to join a design-focused building services consultancy known for delivering high-quality, architecturally integrated engineering across a diverse project portfolio. They work closely with leading architects and clients on schemes where creativity and technical excellence go hand in hand. They're now looking for a Senior Mechanical Design Engineer to play a key role in project delivery and client engagement. The Role You'll take the lead on projects, working from early-stage design through to delivery, while being given the autonomy to make real decisions. You will: Lead mechanical design delivery across multiple projects Work closely with architects and clients to develop practical, design-led solutions Take ownership of technical delivery and coordination Support and mentor junior...
Eden Brown
14 Apr, 2026
Permanent
Senior Mechanical Design Engineer - D&B Contractor
Eden Brown London, UK
Senior / Lead Mechanical Design Engineer City of London Hybrid Working Up to 70k Design & Build Commercial Fit-Out Leadership Opportunity We're working with a fast-growing Design & Build contractor delivering high-quality M&E solutions across commercial office fit-out projects. Established just 5 years ago, the business is already turning over 7-8m and building a strong reputation in the CAT A & CAT B space. They're now looking for a Senior Mechanical Design Engineer to take ownership of mechanical design and play a pivotal role in shaping their in-house M&E design capability. The Opportunity This is more than just a senior engineer role - it's a chance to build and lead a design function within a growing contractor. You'll be the go-to technical authority, working closely with project teams and clients to deliver practical, buildable solutions. You'll: Lead the mechanical design delivery across multiple fit-out projects Act as the...
Eden Brown
11 Apr, 2026
Permanent
Senior Mechanical Design Engineer - Building Services
Eden Brown 39 Holloway Rd, London N7 8JP, UK
Senior Mechanical Design Engineer (Building Services) City Of London Hybrid Working Up To 68k + Benefits A leading engineering consultancy renowned for delivering mission-critical projects is seeking an experienced Senior Mechanical Design Engineer to join their growing team. With a solid reputation built on technical excellence and strong client relationships, this firm enjoys a high volume of repeat business and has recently secured a number of significant project wins. As a result, they are now looking to expand their capabilities and bring in a passionate, technically strong individual to help drive forward their continued success. This is a unique opportunity to become part of a business where your input is genuinely valued. The company prides itself on a supportive and collaborative environment, where the Directors remain actively involved in the design process, working closely with the engineering team to ensure quality and innovation across all stages of...
DCS Recruitment Limited
09 Apr, 2026
Permanent
Senior Mechanical Design Engineer - HVAC
DCS Recruitment Limited Birmingham, UK
Senior Mechanical HVAC Design Engineer - Birmingham Salary: 55,000- 70,000 + per annum DOE Location: Birmingham Contract: Permanent About the Role We are seeking an experienced Senior Mechanical Design Engineer to join a great team in Birmingham. You will be working for a well-established mechanical building services consultancy and contractor , delivering high-quality design solutions across commercial, fit-out, and building services projects. This is an exciting opportunity to work on a variety of projects, from office and retail fit-outs to larger commercial developments. Key Responsibilities Lead and manage mechanical design projects from concept to detailed working drawings. Produce accurate calculations for LTHW, CHW, ventilation, air conditioning, ductwork, and pipework. Use Autodesk Revit (essential) to create design models and coordinate with other disciplines. Utilise design software such as Hevacomp and TAS. Ensure designs comply with all...
Calibre Search
03 Apr, 2026
Permanent
Senior / Principal Mechanical Building Services Engineer
Calibre Search Woolston, Warrington, UK
Senior / Principal Mechanical Building Services Engineer Warrington 50,000 - 65,000 DOE + Benefits We're working with a growing integrated MEP and building physics consultancy with offices in Yorkshire and the North West. They deliver mechanical, electrical, and sustainability design across a broad range of sectors, residential, commercial, education, industrial, and retail - and they're looking for a Senior or Principal Mechanical Engineer to join their expanding team. This is a consultancy that does things properly. Design continuity runs all the way through to site, so you'll actually see your work get built - not hand it off at Stage 3 and move on. They have a real emphasis on buildability from the earliest design stages, and the business is fully digitally operational with Revit Coordinators working alongside the engineering team on every project. At Senior level, you'll be taking ownership of mechanical design across a live and varied project portfolio, working...
Eden Brown
15 Apr, 2026
Permanent
Associate Mechanical Design Engineer
Eden Brown Surrey, UK
Associate Mechanical Design Engineer Surrey Hybrid Working Up to 80k If you're a Senior Mechanical Engineer ready to step up - or an existing Associate looking for more influence - this is a genuine opportunity to take on a leadership role within a design-led building services consultancy. This business has built a strong reputation for delivering high-quality, architecturally integrated engineering across a range of sectors. They're known for their collaborative approach, technical excellence, and involvement in projects where design really matters. They're now looking for an Associate Mechanical Design Engineer to play a key role in leading projects, managing clients, and helping shape the future of the team. What You'll Be Doing Leading mechanical design delivery from early concept through to completion Acting as a trusted advisor to clients and architects Taking ownership of project quality, technical delivery, and coordination Mentoring and developing...
Advance TRS
10 Apr, 2026
Contract
Mechanical Engineer
£45.00 - £53.00 hourly
Advance TRS 39 Holloway Rd, London N7 8JP, UK
Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: Mostly remote (occasional travel to London) Contract Rate: 45- 53 per hour outside IR35 or Permanent Salary: 50- 60k About the Role: We are seeking an experienced Mechanical Engineer to join a dynamic team focused on innovative engineering solutions in the water and environmental sector. This role offers the flexibility of primarily remote work, with occasional visits to the London office, and provides the opportunity to work on cutting-edge projects in a collaborative environment. Key Responsibilities: Design, develop, and optimise mechanical systems and components. Prepare detailed engineering drawings, specifications, and documentation. Work closely with project teams to deliver solutions from concept through to installation and commissioning. Support project planning, risk assessment, and troubleshooting mechanical issues. Ensure compliance with relevant industry...
360 Recruitment
08 Apr, 2026
Permanent
Mechanical Site Supervisor
360 Recruitment 39 Holloway Rd, London N7 8JP, UK
Mechanical Site Supervisor Building Services (HVAC, Pipework, Plantroom) Location: London & Home Counties Salary: £55,000 £65,000 + Company Van + Bonus + Benefits A well-established Mechanical & Electrical Building Services contractor is seeking an experienced Mechanical Site Supervisor to oversee installation projects across London and the Home Counties. The company delivers mechanical building services installation projects directly for end-user clients , covering commercial offices, education, healthcare environments, heritage buildings and high-end residential developments. This opportunity would suit a Mechanical Supervisor, HVAC Supervisor or Mechanical Foreman with strong experience in pipework, plantroom installations and HVAC systems who enjoys leading engineers on site and delivering high-quality building services projects. The Role Mechanical Site Supervisor As Mechanical Site Supervisor , you will take responsibility for supervising and...
ATA Recruitment
26 Apr, 2026
Permanent
Maintenance Engineer Days
ATA Recruitment Staffordshire, UK
Maintenance Engineer £53,000 OTE 55K -60K 4 on 4 off Days (6am 6pm) Overtime + Contributory Pension + Christmas Bonus + Tool Allowance + Life Assurance About the business Well-established heavy manufacturing operation supplying nationally recognised brands Large-scale industrial production with multiple automated lines and continuous investment State-of-the-art machinery including conveyors, robotics and CNC machinery Stable order books with consistent long-term demand Strong engineering presence on site with clear structure and leadership support Ongoing investment in plant upgrades and employee development Training & progression For every Maintenance Engineer, the business offers: Structured onboarding with hands-on training across site machinery Electrical upskilling opportunities and PLC exposure Hydraulics, fabrication and specialist equipment training Clear pathway to senior engineering grades with earnings exceeding £60,000 Long-term stability within...
AWE
26 Apr, 2026
Full Time
Senior Machine Tool Maintenance Engineer
AWE Reading, UK
If you’d like to be considered for this opportunity we encourage you to apply promptly to avoid disappointment as if applications are high the role will close before the closing date given. Senior Machine Tool Maintenance Engineer Location: RG7 4PR , located between Reading and Basingstoke, with free onsite parking . Package: £51,500 to £56,000 (dependent on suitability and level of experience) + additional allowance Ready to play your part? At AWE, it’s not just a job, it’s far more than that. Our shared purpose is to help keep the nation safe. Could this role be the opportunity for you to play your part? AWE is looking for a talented Senior Machine Tool Maintenance Engineer to join our dynamic team. As part of AWE Production and Assets, you’ll play a pivotal role in driving the performance and reliability of our cutting-edge equipment. From installation and breakdown support to maintenance, servicing, and error mapping, your work will directly...
  • Home
  • About Us
  • Recruitment Blog
  • Terms & Conditions
  • Privacy & Cookies Policy
  • Employer
  • Post a Job
  • Job Board Advertising Packages
  • Diversity, Inclusion & Equality (ED&I) Articles
  • Sign in
  • Contact Us | Recruiters
  • Job Seeker
  • Find Jobs
  • Upload CV
  • Job Seeker Help & Advice
  • Equal Opportunities Monitoring Form
  • Sign in
  • Contact Us | Jobseeker
  • Facebook
  • X / Twitter
  • LinkedIn
© 2026 DIjobs Limited  |  3rd Floor, 86-90 Paul Street, London EC2A 4NE  |  Company Registration: 13316146  |  VAT No: GB 377358650
Diversity Job Board | Inclusion | Equality | ED&I | DEI | EDI | D&I | DEIB | IDEA | BDI | Jobboard | Vacancies | Diversity Jobs | Careers | Jobsite | Diversity and Inclusion Job Boards | Find a New Job | Job Search with DIjobs