556 mechanical engineer jobs found

The Role We're looking for a Senior Mechanical Engineer to lead the design and delivery of mechanical building services on large, complex construction projects. You'll take ownership from concept through to construction, ensuring designs are practical, compliant, and cost-effective. Location: Liverpool (1x a week in the office) Rate: Up to £55 per hour (Inside IR35) Key Responsibilities ·Lead mechanical design for major construction projects ·Produce high-quality designs, specifications, and technical solutions ·Work closely with clients, architects, and project teams ·Coordinate designs across disciplines (M&E, BIM, etc.) ·Ensure compliance with regulations, standards, and quality procedures ·Support cost planning, estimates, and pre-construction activities ·Drive innovation and sustainable design solutions ·Provide technical guidance and mentor junior engineers Requirements ·Degree in Mechanical or Building Services Engineering ·CIBSE / IMechE member (or...

Are you a senior Mechanical Engineer in Building Service Design and looking to work on some exciting projects? Do you want a contract role with variety? You could work for a leading Building Services contractor, with a national presence with the following details; Location: Liverpool (1x a week in the office) Rate: Up to £50 per hour (Inside IR35) Duration: 12 months + Key Responsibilities · Deliver mechanical design for major construction projects · Produce high-quality designs, specifications, and technical solutions · Work closely with clients, architects, and multidisciplinary teams · Coordinate designs across disciplines (M&E, BIM, etc.) · Ensure compliance with regulations, standards, and quality procedures · Support cost planning, estimates, and pre-construction activities · Contribute to innovative and sustainable design solutions · Support and mentor junior engineers where required Requirements · Degree in Mechanical or Building Services Engineering ·...

Mechanical Maintenance Engineer -  Mobile - Temp ongoing - FM Service Provider - South and North London sites Are you a Mechanical Maintenance Engineer looking for a new challenge? Are you looking for work in and around South / North London ? Are you looking for temporary work?  If the answer is yes, then read on... A Fantastic opportunity to work for a leading FM Service Provider. CBW is currently looking for a Mobile Mechanical / Plumbing Maintenance Engineer to be covering multiple Residential buildings around South and North London. The successful candidate will be Mechanically / Plumbing biased (NVQ, C&G) with a proven track record in Commercial / Residential building maintenance. Working with the maintenance team on-site, He or she will be required to carry out Plumbing and Mechanical maintenance to the following. Duties & Responsibilities: Lighting (Small installation, Fault-finding, Lamping, Changing ballast, Control panel, Power distribution) Emergency...

A leading provider of nuclear solutions in the UK, specialising in clean energy, defense, and civil decommissioning, is looking for Principal Mechanical Engineer's to join their talented team. The package: Principal Mechanical Engineer Warrington - Hybrid Inside IR35 rate £60-70 per hour The role: The Principal Engineer provides leadership in the delivery of engineering and technical activities through the application of process, domain knowledge and experience. Ensure effective management of multi discipline teams to ensure timely & efficient delivery of engineering work to meet customer agreed scope Supervise engineers/technical specialists Promote effective co-operation across Engineering and other functional teams Ensure effective management of the customer, including liaison and relationship development with existing and new customers, to aid the development of business, resolution of technical and delivery issues, and such that the customer is fully briefed and...

Job Title: Intermediate/Senior Mechanical Engineer - 12 Month Contract or Permanent Location: London based Contract Rate: £45-£50 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 standards, codes, and best practices....

Principal Mechanical Engineer – Water Leading Engineering Consultancy | Water Sector | Hybrid Working | Long-term Contract | Outside IR35 | Competitive Rate The Opportunity We're recruiting a Principal Mechanical Engineer to deliver high-quality mechanical engineering design and technical leadership across multiple water sector projects. You'll be responsible for leading mechanical engineering workstreams, ensuring compliance with sector standards, managing design delivery, and mentoring engineering teams. Contract Details: Outside IR35 | Competitive daily/monthly rate | Hybrid working| Long-term contract MUST HAVE: Current water sector experience. This is a senior technical role for an SQEP (Suitably Qualified Experienced Person) mechanical engineer with proven, recent expertise in water, wastewater or biosolids treatment. You'll have the capability to lead mechanical engineering on projects or groups of projects, managing design quality, timescales, cost and compliance....

Job title: Senior Mechanical Engineer (Building Services) Location: Cardiff / Swansea (Hybrid 3 days per week) Pay Rate: £51 per hour Umbrella PAYE (37.5 hours per week) Qualifications required: Degree / IEng / CEng Travelling costs expensed Notice Period: 4 weeks Contract Term:4 months (with extension) About the company Our client are ranked as one of LinkedIn's Top 25 Companies, where UK professionals want to work and stay once they join. They've also made the Times Top 50 employers for women. Their Infrastructure team uses innovation, new approaches and the power of data to help our clients deliver end-to-end projects and programmes for essential future infrastructure. And as the work becomes ever more complex, their employees continue to challenge the status quo. Our client are looking for Senior / Principal Mechanical Building Services Contract Engineer to join their growing team in Cardiff. The responsibilities of the role are: Client briefing and stakeholder...

An exciting opportunity to join a leading UK energy operator supporting offshore gas operations in the Southern North Sea. Working within the Maintenance team in Norwich, you’ll provide mechanical engineering support to help maximise the reliability, availability, and performance of critical offshore equipment including pumps, compressors, engines, valves, piping, vessels, and generator systems. This is a Monday–Friday office-based role in Norwich, with occasional travel to onshore and offshore assets. Key Responsibilities Provide mechanical engineering support across Operations, Maintenance, Projects, Integrity, and Metering Support shutdowns, outages, and maintenance activities Carry out root cause failure investigations and identify reliability improvements Help reduce production losses and improve equipment performance Review maintenance strategies and support backlog reduction Specify and procure replacement equipment and services Support Management of Change processes...

Role: Mechanical Engineer (R&D) Location: Bristol Duration: 12 months Rate: £40 - £60/hour - Umbrella Inside IR35 Our client is seeking an Mechanical Engineer to join a small, high-calibre team developing the next generation of on-wing engine inspection technologies and automation solutions. Key responsibilities: Support engineering R&D projects through a broad range of development testing. Design, set up and operate mechanical and electronic testing. Develop testing apparatus and procedures. Collect and process data using Excel, with Python desirable. Report test results clearly to the team. Devise new tests based on existing results. Support basic 3D CAD work for test equipment design and build. Assist with workshop activities and 3D printing. Communicate effectively with technical and non-technical colleagues. Travel occasionally within the UK to conduct product testing. Essential experience: Engineering verification and validation. Use of...

Our client has an opportunity for a Mechanical Engineer to join their Calibration and Maintenance Team. You will be joining a dynamic and focussed team, responsible for the support of the manufacturing function across all stages of product assembly integration and test. The team are self-motivated and work directly with support functions and engineers across MBDA to resolve routine and non-routine tasks arising within the business. Role: Mechanical Engineer Location: Bolton, fully onsite Hours: 37 per week Hourly Rate: £32-£35 per hour via Umbrella, inside IR35 Clearance: SC required before starting What you'll be doing: The main aspects of the role will be as technical support for the metrology department supporting COTS (commercial of the shelf) equipment and STTE (Special to type test equipment) calibration and maintenance. You will be required to assist production with technical queries on fixtures and tooling along with supporting CMM (Co-ordinate measuring machine)...

Mechanical Engineer - Design £45-£50/hour Contract 12 months Liverpool I am working with a tier 1 main contractor and they are currently looking for a Mechanical Engineer to undertake mechanical designs for large, complex construction projects. The Mechanical Engineer will be responsible for the ensuring sustainable, compliant, and cost-effective design delivery from concept through to construction, bridging client needs with engineering reality. The successful candidate will lead the mechanical design team, integrate different disciplines, ensure quality control, and drive innovation for high-value projects. If you would like to apply please email your CV to (url removed) or call (phone number removed)

Mechanical Engineer, Contract basis, long-term (Ongoing). Design and Build M&E Building Services Contractor. Site Based, Central London. Mixed use projects; Residential and Commercial Weekly paid via agency Required Qualifications & Experience: * Previously held a building mechanical services engineer’s role within a contracting/sub- contracting construction business. * Very strong practical and design knowledge of building mechanical services * Good commercial awareness * Appropriate level Mechanical Engineering Qualifications * Full UK Working entitlement Responsibilities; * Engineering of single or multiple projects from tender to design development, procurement, construction, handover and defect liability stages * Liaising closely with other professionals, incl. structural engineers, builders, architects and surveyors, in-house project teams * Working with the estimating team to produce successful tender bids * Development of Consultants...

World Class Defence Organisation based in Bolton, Lancashire is currently looking to recruit a Mechanical Engineer subcontractor on an initial 12-month contract.   Hourly Rate: £35ph Overtime Rate: Hours worked over 37 hours per week, are worked at the Overtime rate of time and a quarter.   Contract Duration: 12 Months (initially and then ongoing and long-term thereafter) Mechanical Engineer Job Description: We are seeking a Mechanical Engineer to join our Calibration & Maintenance Team. The work is extremely varied, interesting and challenging. You will be joining a dynamic and focussed team, responsible for the support of the manufacturing function across all stages of product assembly integration and test. The team are self-motivated and work directly with support functions and engineers across the company to resolve routine and non-routine tasks arising within the business. Responsibilities: The main aspects of the role will be as technical support for the metrology...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...

Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...

Mechanical Design Engineer Initial 6 month contract Outside IR35 Growing Manufacturing Business Birmingham ASAP Start   Our client are a precision manufacturing business, based in Birmingham, specialising in machining and assembly of high value low volume components. Working within the Engineering Team, the Mechanical Engineer will be responsible for maintaining and developing the existing company product range and creating solutions to customer problems from within the naval marine sector. The Mechanical Engineer, in conjunction with the Design Manager, and the Engineering Standards Manager will be responsible for facilitating the flow of reliable, accurate and readily available data, to both internal and external customers.   Mechanical Engineer  Job Description Interpret customer specifications and create solutions that fully satisfy requirements. Use appropriate valve technologies for a wide range of applications. Use correct standards, design codes and pressure vessel...

Mechanical Design Engineer – Water & Wastewater | Manchester (Hybrid) Location: Manchester – Hybrid working available Type: Permanent or Contract (Outside IR35) Want to design infrastructure that keeps the UK’s water and wastewater networks running safely and efficiently? Ready to take ownership of technical delivery while working on nationally important treatment works upgrades? Our client is expanding their specialist design team and is looking for a Mechanical Design Engineer to deliver high-quality, compliant solutions across major UK water industry projects. What You’ll Do Design mechanical solutions that meet safety, quality, and technical standards Produce design calculations, drawings, reports, and specifications Direct and support CAD technicians Prepare scopes and review outputs from subcontract M&E design teams Liaise with suppliers, review tenders, and specify equipment Carry out design investigations and technical reporting Ensure design changes are...

Senior Mechanical Design Engineer - Water AMP8 Location: Maidstone, Kent (flexible hybrid) Job type: Long‑term Contract (Outside IR35) A leading water client is seeking an experienced mechanical design engineer to support long‑term capital delivery programmes. This client‑side position covers the full project lifecycle including feasibility, optioneering, detailed design, construction and commissioning. Responsibilities Lead mechanical engineering design activities from feasibility through to commissioning on clean water infrastructure projects. Produce and review detailed mechanical designs, calculations, specifications, reports and drawings for treatment plant assets, pumped systems, pipework and chemical dosing equipment. Carry out and validate hydraulic calculations, including pump sizing, system curves, head loss assessments and surge considerations. Ensure design outputs comply with client standards, WIMES, CDM requirements and relevant industry legislation. Coordinate...

Mechanical Project Engineer - Water Sector (Contract) Rugby - Newbold STW (CV21 1HF) £400-£500 per day Contract Until End of 2026 TRIbuild Solutions are recruiting for an experienced Mechanical Project Engineer to support AMP8 wastewater projects at Newbold STW in Rugby. This role will focus on mechanical design integration, procurement, subcontractor management, and package delivery through manufacturing, installation, commissioning, and handover. Responsibilities Coordinate internal and third-party mechanical designs Review P&IDs, BIM models, GA drawings, and supplier technical submissions Ensure compliance with WIMES and client specifications Produce and manage mechanical procurement packages Support technical subcontractor evaluations and procurement activities Manage long-lead mechanical equipment and procurement schedules Oversee subcontractor technical compliance and delivery on site Support FATs, commissioning, installation, and handover activities Manage technical...

World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...