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Contractor 39
Construction mechanical design engineer

39 mechanical design engineer jobs found

CL
May 01, 2026  
Mechanical Design Engineer - Building Services
The Company On-going success means my client requires a Mechanical Design Engineer (Building Services). Reporting directly to the senior Chartered Engineering manager, you will be joining a team of Building Services and CAD engineers. The Role: A Mechanical Design Engineer with demonstrable knowledge of reviewing drawings, surveying existing installations and designing HVAC systems. Most of the work is Mechanical design engineering to projects providing HVAC mechanical services solutions. You will see the project through from concept to hand-over, working closely with estimating and project management departments. Duties will include: * involvement in the design of HVAC systems to enable both new and existing systems * creating new ventilation ductwork systems, CHW & LTHW systems etc, Head Load, Cooling Load calculations, onsite visits, meetings and communicating with various clients, architects and sub-contractors etc * Coordination with electrical counterparts * take...
IR35 Status:
Unknown Status

CV-Library Birmingham, West Midlands (County) Contractor
CL
Aug 13, 2026  
Mechanical Site Supervisor
Position: Mechanical Site Supervisor Location: Loughborough Rate: £425 per day (Neg DOE), inside IR35 Duration: 6-12 months Our Client: Is an integrated design and build solution provider operating in the water sector. They have over 1,000 staff working across eight regional centres, primarily supporting eight long term water sector frameworks operating both on their own and increasingly in joint ventures and alliances. The Role: A major sewage treatment works is undergoing a £130m upgrade to increase capacity. As part of this there are several new process units being installed, namely - PST's, ASP, FST's, inlet pumping station, above ground pipe gantries and numerous other pumping stations. There are a number of large mechanical work packages involving pipework systems/gantries, scraper bridges, pump stations, aeration systems, steelwork access stairways & flooring and pressure testing pipework. You will report directly to the Senior Site Manager and your role will...
IR35 Status:
Inside IR35

CV-Library Loughborough, Leicestershire Contractor
CL
Aug 12, 2026  
Senior Mechanical Project Engineer
One of London’s leading Building Services contractors is actively seeking a Senior Mechanical Project Engineer for a new landmark high rise residential scheme in South East London. This contractor is most prominent in commercial and residential sectors and are widely rapidly becoming one of the go to specialists in the industry, having built strong relationships with several of the tier 1 developers and contractors. As Senior Mechanical Project Engineer you will be number one on site overseeing the delivery of a £12m mechanical install, reporting directly to a Senior PM. This project is a flagship scheme for one of their longest standing clients, a market leading and widely recognised developer. Besides the chance to add a flagship project to your resume, this is a fantastic opportunity for an ambitious Engineer to fast track their career towards Project Manager level. With a lean management business model, this contractor will allow you to quickly climb the ladder and give you the...
IR35 Status:
Unknown Status

CV-Library Tower Hill, Greater London Contractor
CL
Aug 09, 2026  
M&E Quality Inspector / Clerk Of Works
M&E Clerk of Works Location: Central London Rate: £350 - £400 per day DOE - 3 DAYS PER WEEK INITIAL About the Role We are currently recruiting an experienced M&E Clerk of Works to support the delivery of a varied programme of mechanical and electrical projects across a prestigious estate in Central London. Working closely with the Project Engineering team, you will be responsible for monitoring the quality of installation works, ensuring contractors deliver projects in accordance with specifications, drawings, current regulations and industry best practice. This is an excellent opportunity for an experienced Clerk of Works, Building Services Engineer or Site Quality Inspector looking to work on technically challenging projects within a unique environment. Key Responsibilities * Carry out regular site inspections of mechanical and electrical installations. * Ensure works comply with design specifications, drawings and relevant British Standards. *...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Aug 08, 2026  
Electrical Project Engineer
Our client urgently requires an experienced Electrical Project Engineer for an industrial project in Suffolk: Role: Electrical Project Engineer Location: Suffolk Rate: £450-£500 p/d Project: Sub station Contract: 18 months JD: The M&E Engineer is responsible for overseeing the design, installation, testing, commissioning, and maintenance of mechanical and electrical services, including HVAC, electrical distribution, plumbing, fire protection, and building management systems. The role ensures that M&E systems are delivered to the required quality standards, support operational efficiency, and meet health, safety, environmental, and regulatory requirements
IR35 Status:
Unknown Status

CV-Library Ipswich, Suffolk Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. The Opportunity Join our international and multidisciplinary team of passionate design engineers and help us create high-quality, sustainable, and innovative data centre structures. You will work on medium to large-scale mission-critical projects, covering all stages of design - from concept to construction supervision and handover. As a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 16, 2026  
Senior Electrical Design Engineer
An excellent opportunity has arisen for an experienced Electrical Design Engineer to join a well-established building services consultancy in London on an contract basis outside IR35. This hybrid role will involve working as part of a multidisciplinary building services engineering team, supporting the delivery of electrical design solutions across a range of building projects. The successful Electrical Design Engineer will contribute to the development of electrical building services designs, technical documentation and coordinated BIM models. This role is based in the London office with hybrid working available, offering the chance to work on high-quality building services projects alongside experienced engineers and consultants. Key Responsibilities · As an Electrical Design Engineer, your responsibilities will include: · Producing electrical building services designs for a variety of building projects · Developing electrical schematics, layouts and...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 14, 2026  
Site Engineer
Freelance Site Engineer Harrogate Start Date: 7th September - 20-Week Contract Roads & Drainage £300 - £330 (DoE) I'm currently recruiting on behalf of the client, a well-established Main Contractor, looking for an experienced Freelance Site Engineer to join the team on a new industrial and commercial development in Harrogate. This is an excellent opportunity to secure a 20-week contract, taking responsibility for the engineering and setting out of key infrastructure works on a busy site. THE ROLE Working alongside the Site Manager and Project Team, you'll be responsible for the accurate setting out and quality assurance of the infrastructure package, ensuring works are delivered safely, to specification and in line with programme. SCOPE OF WORKS: • Roads construction • Drainage • Kerbing • Pavements and hardstanding • External infrastructure • Associated civil engineering works KEY RESPONSIBILITIES • Setting out roads, drainage and associated infrastructure works. •...
IR35 Status:
Unknown Status

CV-Library Harrogate, UK Contractor
CL
Aug 14, 2026  
Section Engineer
Exciting Opportunity for a Section Engineer in the Water/Wastewater Industry Role: Section Engineer Location: Bolton Rate: Up to £525 per day DOE - Inside IR35/Umbrella PAYE Duration: 12 Months+ Sector: Wastewater Non-Infrastructure About the business Join a dynamic Tier 1 contractor at the forefront of the water industry, currently delivering major projects across the United Utilities framework. Due to continued growth and a strong pipeline of AMP8 work, an exciting opportunity has arisen for an experienced Section Engineer to support the successful delivery of wastewater and water treatment projects across the Lancashire region. This contractor is recognised for embracing innovation and digital engineering, investing heavily in modern construction technologies, BIM and digital delivery systems to improve project performance. If you're looking to work for a business that is pushing the boundaries of technology within the sector, this is an opportunity not to be missed....
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Aug 14, 2026  
Commissioning Manager – Data Centre - Camberley (Contract)
Commissioning Manager – Data Centre Location: Camberley, Surrey Contract Type: Contract Rate: £(Apply online only) DOE per day Start Date: ASAP Sector: Data Centres The Role We are seeking an experienced Commissioning Manager to support the delivery of a major data centre project in Camberley. The successful candidate will take ownership of the commissioning process, managing the commissioning team and coordinating testing activities from construction completion through to integrated systems testing and final handover. You will ensure that commissioning activities are delivered safely, in the correct sequence and in accordance with the project programme, technical specifications and client requirements. Key Responsibilities * Manage and coordinate the site commissioning team, specialist subcontractors and testing engineers. * Develop, maintain and manage the project commissioning plan and programme. * Coordinate commissioning activities across electrical, mechanical,...
IR35 Status:
Unknown Status

CV-Library Camberley, Surrey Contractor
CL
Aug 14, 2026  
Site Engineer
Freelance Site Engineer 📍 Didcot 💼 Freelance (Ltd or CIS) 📅 28 Weeks 💷 Competitive Daily Rate We are currently seeking an experienced Freelance Site Engineer to join a major commercial construction project in Didcot. Working for a well-established main contractor, you'll play a key role in the delivery of a large-scale commercial development, supporting the site team throughout the construction programme. This is an excellent opportunity to join a high-quality project with a long-term programme, offering 28 weeks of secured work. Key Responsibilities • Setting out works using Leica or Trimble surveying equipment. • Carrying out surveying and site measurements to ensure works are delivered accurately. • Managing QA documentation, inspection records and associated paperwork. • Producing and maintaining accurate as-built information. • Ensuring works are completed in accordance with drawings, specifications and programme requirements. • Liaising with Site Managers, subcontractors...
IR35 Status:
Unknown Status

CV-Library Didcot, Oxfordshire Contractor
CL
Aug 13, 2026  
Senior Site Engineer
Senior Site Engineer (Setting Out) – Major National Grid Project Stowmarket, Suffolk | Long-Term Opportunity We're looking for an experienced Senior Site Engineer to join a major National Grid infrastructure project in Stowmarket, Suffolk. This is a fantastic opportunity to play a key role on a high-profile civil engineering scheme, supporting the successful delivery of the project's early works and setting the foundation for the main construction phase. The Role As a Senior Site Engineer, you'll take ownership of all setting out activities while providing technical support and site supervision throughout the preliminary works. Working alongside the site management team, you'll ensure works are delivered safely, accurately, and to the highest quality standards. Key Responsibilities * Review and interpret engineering drawings, specifications, and site plans. * Carry out accurate setting out for site compounds, concrete bases, and associated civil engineering works. *...
IR35 Status:
Unknown Status

CV-Library Stowmarket, Suffolk Contractor
CL
Aug 13, 2026  
Site Engineer
My client is a leading contractor in the Steel frame and Groundworks sector. We are currently recruiting a Site Engineer to complete an 8 month contract. You will be required to manage the engineering, including the setting out of the ground works/steel frame package. Site Engineer Responsibilities: • Reporting and working with the Project Manager and foreman. • Site set up and compliance with health and safety • Completing all setting out associated to the ground works and steel Frame aspects. • Raising technical queries on design issues. Site Engineer Requirements: • CSCS card. • SMSTS or SSSTS – Desirable, not essential. • Previous experience setting out ground works and drainage. • Degree in Civil Engineering or Time Served. The Next Steps: To apply for the role as a Site Engineer, click on the apply now button below and submit your CV for further information
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Aug 13, 2026  
Senior Site Engineer
Senior Site Engineer - NIGHTS Location: Haslingden Contract: 5 years worth of work - CIS Day Rate: £(Apply online only) DOE An exciting opportunity has arisen for an experienced Senior Site Engineer to join a leading civil engineering contractor delivering major infrastructure and heavy civils projects across the UK. This role offers the chance to work on complex, high-value schemes alongside experienced project teams, taking responsibility for all engineering and setting out activities while ensuring projects are delivered safely, accurately and to the highest quality standards. Key Responsibilities Senior Site Engineer * Carry out accurate setting out using GPS and total station equipment. * Establish and maintain survey control across site. * Complete as-built surveys and maintain engineering records. * Ensure works are delivered in accordance with drawings, specifications and project requirements. * Oversee quality assurance processes, inspections and...
IR35 Status:
Unknown Status

CV-Library Haslingden, Lancashire Contractor
CL
Aug 13, 2026  
Sub Agent
Start: Immediate / Mid-August The Opportunity We are currently recruiting for an experienced Senior Engineer / Site Agent to join a major civil engineering project delivering a number of technically challenging infrastructure packages. This is an excellent opportunity to take ownership of key sections of work, leading engineering and operational teams while ensuring works are delivered safely, efficiently, and to programme. The successful candidate will be responsible for managing the engineering delivery of multiple civils packages, with opportunities to become involved in both infrastructure and earthworks operations. The role offers the chance to work on a high-profile project with the potential for further opportunities upon completion. The Role As Senior Engineer / Site Agent, you will be responsible for the planning, engineering, management, and successful delivery of a range of complex civil engineering works. You will lead site teams comprising Sub Agents, Foremen,...
IR35 Status:
Unknown Status

CV-Library Bristol, City of Bristol Contractor
CL
Aug 13, 2026  
Setting Out Engineer
Setting Out Engineer (Groundworks & Externals) Location: Suffolk Rate: £300 - £350 per day Duration: Approximately 12 months Start Date: ASAP Equipment: Provided on site The Role We are currently seeking an experienced Setting Out Engineer to join a long-term project in Suffolk. This is an excellent opportunity for an engineer with a strong background in groundworks and external works to join a busy site team on a 12-month contract. Working closely with the site management team, you will be responsible for setting out and supporting the delivery of groundworks and external infrastructure packages to programme and specification. Key Responsibilities * Setting out for groundworks and external works packages. * Checking line and level requirements. * Carrying out site surveys and measurements. * Producing and maintaining accurate records. * Ensuring works are completed in line with design drawings and specifications. * Liaising with site management, subcontractors, and...
IR35 Status:
Unknown Status

CV-Library CB9, Haverhill, Suffolk Contractor
CL
Aug 13, 2026  
Senior Site Engineer
Senior Site Engineer Location: Haslingden Contract: 5 years worth of work - CIS Day Rate: £(Apply online only) DOE An exciting opportunity has arisen for an experienced Senior Site Engineer to join a leading civil engineering contractor delivering major infrastructure and heavy civils projects across the UK. This role offers the chance to work on complex, high-value schemes alongside experienced project teams, taking responsibility for all engineering and setting out activities while ensuring projects are delivered safely, accurately and to the highest quality standards. Key Responsibilities Senior Site Engineer * Carry out accurate setting out using GPS and total station equipment. * Establish and maintain survey control across site. * Complete as-built surveys and maintain engineering records. * Ensure works are delivered in accordance with drawings, specifications and project requirements. * Oversee quality assurance processes, inspections and documentation....
IR35 Status:
Unknown Status

CV-Library Haslingden, Lancashire Contractor
CL
Aug 12, 2026  
Revit Mep Coordinator
Revit MEP Coordinator – Building Services Residential & Commercial Projects Salary: £35-£45 Per Hour Location: London Bridge We are currently working with a leading M&E / Building Services Contractor who are looking to appoint a Revit MEP Coordinator to join their growing design and delivery team. This is an excellent opportunity for an experienced Revit MEP Coordinator with a background in building services coordination to work across a diverse range of residential and commercial projects. The Role As a Revit MEP Coordinator, you will be responsible for coordinating mechanical and electrical building services systems, working closely with design, project management and site teams to ensure projects are delivered efficiently and accurately. You will be involved throughout the project lifecycle, from design development and coordination through to construction delivery. Key Responsibilities * Coordinating mechanical and electrical building services using Revit MEP...
IR35 Status:
Unknown Status

CV-Library SE1, Chaucer, Greater London Contractor
CL
Aug 12, 2026  
Freelance Senior Site Engineer
Freelance Senior Site Engineer Bognor Regis, West Sussex £350 - £400 per day (CIS) Immediate Start | Contract Until April 2027 An exciting opportunity has arisen for an experienced Senior Site Engineer to join one of the UK's leading £1bn turnover Main Contractors on a £20m new build industrial warehouse development in Bognor Regis. This is a fantastic long-term freelance opportunity working on a major industrial scheme currently in the groundworks phase, offering the chance to see the project through to completion. You'll play a key role within the site management team, leading engineering activities while ensuring the highest standards of quality, safety and technical compliance are maintained throughout the build. The Role Reporting to the Project Manager, you will lead the engineering function on site while providing technical support to the wider construction team. Key Responsibilities * Lead and mentor a team of two Site Engineers. * Carry out and manage as-built...
IR35 Status:
Unknown Status

CV-Library Bognor Regis, West Sussex Contractor
CL
Aug 12, 2026  
Site Engineer
My client is a leading contractor in the Steel frame and Groundworks sector. We are currently recruiting a Site Engineer to complete an 5 month contract. You will be required to manage the engineering, including the setting out of the ground works/steel frame package. Site Engineer Responsibilities: • Reporting and working with the Project Manager and foreman. • Site set up and compliance with health and safety • Completing all setting out associated to the ground works and steel Frame aspects. • Raising technical queries on design issues. Site Engineer Requirements: • CSCS card. • SMSTS or SSSTS – Desirable, not essential. • Previous experience setting out ground works and drainage. • Degree in Civil Engineering or Time Served. The Next Steps: To apply for the role as a Site Engineer, click on the apply now button below and submit your CV for further information
IR35 Status:
Unknown Status

CV-Library Telford, Telford and Wrekin Contractor
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