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Contractor 51
Engineering Outside IR35 mechanical engineer

51 mechanical engineer jobs found

CL
May 02, 2026  
Contract Mechanical Design Engineer
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...
IR35 Status:
Outside IR35

CV-Library Aston, Birmingham B6 5SF, UK Contractor
CL
May 07, 2026  
Mechanical Maintenance Engineer
Mechanical Maintenance Engineer (Contract) Location: Peterborough Industry: Construction Materials Manufacturing Rate: £33.00 – £34.00 p/h (Outside IR35) Shift: 4 on 4 off – Days (6:00am – 6:00pm) We’re looking for a Mechanical Maintenance Engineer to join a high-volume manufacturing site within the construction materials sector. This is a hands-on role focused on maintaining and improving a wide range of automated plant machinery, including robotics and heavy production equipment. You’ll be working as part of an established maintenance team, supporting production through a mix of planned and reactive maintenance. Key Responsibilities: Carry out mechanical maintenance on automated plant and machinery Support breakdowns and minimise downtime across production Work on robotics, conveyors, presses, and mixing equipment Complete PPM activities and support continuous improvement Maintain safe and efficient operation of all equipment Requirements: Strong mechanical maintenance...
IR35 Status:
Outside IR35

CV-Library Peterborough, UK Contractor
CL
May 02, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Position: Mechanical Design Engineer Location: Castle Donington - Hybrid/Flexible Contract: Outside IR35 Type: Full-Time The Role This is a contract outside IR35 role working on a project involving designing a range of turbomachinery related components. Key Responsibilities: Create detailed 3D models and assemblies using Siemens NX. Generate engineering drawings. Perform engineering design calculations eg Perform tolerance stack-up analysis. Preparation of engineering design reports. Engage with suppliers and lead design for manufacturing activities. Ensure designs meet industry standards, customer specifications, and regulatory requirements. Required qualifications and experience: Bachelor's degree in Engineering. Experience designing turbomachinery, particularly blades/turbines. Experience using BS8888 and/or ASME Y14.5 Proficiency in NX software is essential. Strong skills in mechanical calculations and GD&T are essential. Experience...
IR35 Status:
Outside IR35

CV-Library Castle Donington, Leicestershire Contractor
CL
Apr 30, 2026  
Senior Mechanical Design Engineer
I'm recruiting for a tech start-up in Cheltenham who are growing their R&D and engineering team following a successful period. They're looking for a contract Mechanical Design Engineer to design, develop and test the products used in surveillance, security and telecoms. ROLE: Mechanical Design Engineer LOCATION: Cheltenham RATE: up to £55ph DURATION: 6 months IR35: Outside IR35 Skills required for the Mechanical Design Engineer are: * 2D/3D CAD in Solidworks * Strong protoyping skills (3d printing etc) * Ability to work in fast-paced environment * Analysis/simulation skills * Experience designing ruggedized products for extreme/harsh environments or safety-critical industries The work is 100% on-site in Cheltenham but the company can offer some flexibiltiy with hours to suit personal situation. If you're interested, please apply below or get in touch with me directly with any questions Cheers, Nathan
IR35 Status:
Outside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
May 09, 2026  
Hardware Engineer
Contract position - Outside IR35 Hybrid working Key Responsibilities: Designing, testing, and analysing parts of the Diesel Fuel Injection Equipment (FiE) system Engaging in discussions with customers, understanding customer evaluations, and presenting results Conducting component testing of injector pumps and rails Performing detailed analysis, collaborating with the hardware design team, and reporting findings to customers Providing customer support functions across Europe with small dedicated teams Supporting system teams in performance aspects such as rail pressure and injector calibration Ensuring component design and customer utilisation meet performance and life requirements Job Requirements: Experience in Mechanical Engineering within Automotive, Off-Highway, or Aviation sectors Understanding of Design Life Cycle in related fields Experience in validation, testing, and reporting Ability to work under pressure and deliver high-quality outcomes Strong problem-solving...
IR35 Status:
Outside IR35

CV-Library West Midlands, UK Contractor
CL
May 06, 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 a contract basis, operating outside IR35. This hybrid position involves working within a multidisciplinary building services engineering team, contributing to the delivery of electrical design solutions across a diverse portfolio of projects. The successful candidate will play a key role in developing electrical building services designs, producing technical documentation, and supporting coordinated BIM models. Based in the London office with flexible hybrid working, this role offers the opportunity to be involved in high-quality projects alongside a team of experienced engineers and consultants. Key Responsibilities As an Electrical Design Engineer, your duties will include: * Delivering electrical building services designs across a range of projects * Producing electrical schematics, layouts, and associated technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 02, 2026  
Design Engineer
Job Title: Design Engineer Location: Coventry, UK Core Hours: 08:00-16:35 (Mon–Thu) 08:00-15:10 (Fri). Vacancy Type: Full-time, 4 month Contract and onsite Salary: £35,000 - £45,000 per annum FTC OR £275 - £350 per day contract (subject to experience) About the role At NP Aerospace, we don’t just design to innovate – we design to protect. We’re looking for x3 immediately available Design Engineers to join our Coventry-based team, developing advanced vehicle protection and integration solutions used across global defence programmes. These temporary roles will work from initial concept through to production designing systems that directly enhance the safety and performance of those who serve on the frontline. In these hands-on role, you’ll be immersed in 3D CAD design, working with complex materials, assemblies and components that must perform in the toughest real-world environments. Contract Options We’re offering two engagement routes, depending on how you want to work: o...
IR35 Status:
Outside IR35

CV-Library CV6, Longford, Coventry Contractor
CL
Apr 03, 2026  
Pipe Stress Engineer
Pipe Stress Engineer Location - Leatherhead Work pattern – 4 days office – 1 day remotely. Rate - £60 p/hr – Outside IR35 Duration – 6 months Start - ASAP Job Responsibilities: During Detail Engineering, perform Piping Stress Analysis of high temperature piping systems using a combination of practical experience and commercially available software. Implement project specifications. Work as part of a team to ensure Isometrics are being checked in a timely manner Ensure a consistent and compliant approach to project execution. FEA Analysis of specialist piping components. Analysis of new and existing piping systems on Greenfield and Brownfield Projects. Work individually or as part of a team in the home office and abroad. Communicate effectively with other engineering disciplines. Committed to multi-centre project execution. Adhere to the companies WAY engineering standards and procedures as well as provide input to their development and enhancement. Skills / Experience:...
IR35 Status:
Outside IR35

CV-Library Leatherhead, UK Contractor
CL
May 09, 2026  
Civil Design Engineer
Civil Design Engineer | Water AMP 8 Contract: Long‑term, Outside IR35 Location: Chatham, Kent (Flexible Hybrid) Our client in water is seeking an experienced Civil Design Engineer to support the design and delivery of infrastructure and non‑infrastructure projects across a broad programme of work. This long‑term contract offers the opportunity to play a key role in developing, reviewing, and coordinating civil engineering designs within a fast‑paced, essential services environment. Hybrid working is available, with regular presence required at the Chatham office. Key Responsibilities Produce, review, and develop civil engineering designs for water and wastewater infrastructure Prepare design calculations, technical drawings, and specifications in line with industry and regulatory standards Support feasibility assessments, optioneering, and early‑stage technical input Work collaboratively with multidisciplinary teams including process, mechanical, electrical, and delivery...
IR35 Status:
Outside IR35

CV-Library Chatham, UK Contractor
CL
May 09, 2026  
MEICA Commissioning Engineer
MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Tired of the same old AMP talk? This is one of those rare commissioning roles where you’re trusted to deliver, not micromanaged. You’ll be working on clean water treatment and network upgrade projects within the Affinity Water region, helping to bring essential infrastructure to life across the region. If you like getting hands-on with complex systems, solving problems under pressure, and seeing results that make a real impact on communities, this one’s worth reading. 💡 The Role You’ll take ownership of the full commissioning process — from off-site testing to integration into live water assets. Reporting to a Commissioning Manager who understands the challenges first-hand, you’ll coordinate on-site activities, ensure safety, and make sure every system is delivered to spec and on time. Key responsibilities: • Lead day-to-day commissioning activities and support delivery teams on site • Produce accurate...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
May 09, 2026  
Senior MEICA Commissioning Engineer
️ Lead MEICA Commissioning Engineer | Clean Water Projects | Affinity Water Region Outside IR35 | Long-Term AMP8 Programme Leadership Role | Commissioning Strategy | Team Management Some commissioning roles are about witnessing tests and signing paperwork. This one is about leading people, driving standards, and bringing structure to projects before problems ever reach site. A leading Tier 1 contractor delivering clean water projects across the Affinity Water region is looking for a Lead MEICA Commissioning Engineer to oversee commissioning delivery across a portfolio of schemes typically ranging from £5m–£10m. While the individual projects may not be mega-projects, they need someone who has operated at that level before. Someone who understands what “good” looks like on major infrastructure programmes and can bring that level of leadership, planning, coordination, and control into a growing AMP8 delivery environment. This is a role for a true commissioning leader — somebody...
IR35 Status:
Outside IR35

CV-Library Rickmansworth, Hertfordshire Contractor
CL
May 09, 2026  
MEICA Lead
️ MEICA Lead x 2 – Major AMP8 Scheme | Oxfordshire | Winsor Corridor Outside IR35 | £475–£550 per day | Long-Term Project Tier 1 Contractor | Major Water Infrastructure Scheme Some freelance roles are there to fill a gap. This one is there because the project genuinely needs someone strong enough to lead it. A leading Tier 1 contractor has secured a major AMP8 water scheme in the Oxfordshire region and is looking for a MEICA Lead to take ownership of delivery across a complex live project environment. They’re looking for someone who can do more than sit in progress meetings and update spreadsheets. They need somebody who understands how MEICA packages actually come together on site and someone comfortable managing technical issues, driving subcontractors, coordinating commissioning activities, and keeping momentum when programmes tighten up. You’ll be heavily involved from delivery through to completion, working alongside senior operational teams on one of the region’s key AMP8...
IR35 Status:
Outside IR35

CV-Library Oxford, Oxfordshire Contractor
CL
May 01, 2026  
Contract Commissioning Technician
We have an exciting, long-term opportunity for an experienced Contract Commissioning Technician to join our customer based in Yorkshire. This role offers an OUTSIDE IR35 determination, meaning we can accept candidates who would like to operate through their own PSC. Our customer is a well-respected provider of technical machinery, designed and developed in the UK and sold globally. They serve various industries, including FMCG, chemical, and automation. Due to a prestigious project win, they are looking for skilled contractors to support their project teams. As a Commissioning Engineer, you will play a crucial role in supporting the implementation of mechanical and instrumentation equipment, ensuring installations are completed to the highest standards and in compliance with project specifications. Key Responsibilities- Contract Commissioning Technician - Yorkshire -Oversee and execute both dry and wet commissioning activities. -Collaborate with a team to ensure mechanical...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Apr 21, 2026  
Senior Project Engineer
ADDISON PROJECT PLC – Senior Project Engineer, Thornton-Cleveleys For over 25 years, Addison Project plc has delivered innovative, sustainable engineering solutions across the chemical, pharmaceutical, energy, and food & beverage sectors. As a family‑owned business with UK‑wide coverage, we combine technical excellence with a collaborative, client‑focused approach. Our fully integrated EPCM capability supported by strong CDM and HSSEQ leadership and accredited management systems ensures projects are delivered safely, efficiently, and to the highest standards from concept through to commissioning and start‑up. If you're passionate about engineering and want to join a dynamic, people‑focused consultancy driving progress and sustainability across the UK’s manufacturing and process industries, Addison Project is the place for you. Role: Senior Project Engineer (Contract outside IR35) Location: Thornton-Cleveleys Contract: 12 months Start Date: Spring 2026 WORKSCOPE Addison...
IR35 Status:
Outside IR35

CV-Library Thornton-Cleveleys, Lancashire Contractor
CL
Mar 30, 2026  
Manufacturing / Process Transfer Engineer
Manufacturing / Process Transfer Engineer Outside IR35 | Up to £50/hr | Contract to Dec 2026 Long-term Outside IR35 opportunity for an experienced Manufacturing / Process Transfer Engineer supporting a major equipment and process transfer within a high-tech manufacturing environment. Key highlights: * Maintain production output during site transfer * Lead equipment relocation, qualification & re-installation (IQ/OQ/PQ) * Support PFMEAs, work instructions & process documentation * Troubleshoot lasers, optics & precision assemblies * Work cross-functionally with R&D, Quality & Supply Chain Skills needed: * Manufacturing/Process Engineering background (laser, optics, photonics, precision assembly) * Strong hands-on problem solving (mechanical / optical / electro-mechanical) * Experience managing complex transfers under tight timelines Details: * Rate: Up to £50 per hour * IR35: Outside * Duration: Long-term (to end of 2026) 👉 Apply now for...
IR35 Status:
Outside IR35

CV-Library Hampshire, UK Contractor
CL
May 09, 2026  
Technical Engineer / Automation Engineer / Controls Engineer
Our client, a leading automotive manufacturing business, is looking for an experienced Technical Engineer / Automation Engineer / Controls Engineer to support advanced automated production lines. The successful candidate will have a strong background in complex manufacturing environments and a proven ability to deliver technical solutions across automated processes. Contract – Outside IR35 or PERM available. Flexible hourly rates – initial 6-month contract with strong potential for extension Salary dependant on experience Monday to Thursday 8am – 5pm, Friday 8am – 2pm Birmingham Site based Technical Engineer / Automation Engineer / Controls Engineer Job Description Act as the technical lead for automated manufacturing processes across multiple production stages. Work with internal teams, customers, and suppliers to deliver efficient and high-quality manufacturing solutions. Develop quality systems, define FAT/SAT criteria, and resolve shop floor/process issues....
IR35 Status:
Outside IR35

CV-Library Birmingham, UK Contractor
CL
May 09, 2026  
Controls Engineer
Controls & Automation Engineer 3–6-month contract Rate £45.00 - £50.00 p/h DOE (outside IR35) Middlesborough Hartlepool Darlington Sunderland Process / Automation / Siemens TIA Portal I am currently recruiting on behalf of a key client based in the Teesside area. They operate in systems, and design of complex projects across process industries. Due to ongoing projects, they are looking for an experienced Controls and Automation Engineer with a strong experience within the water industry to join their team on an interim basis. Initially this contract/project is for 3-6 months. For this position, you will require to conduct the following daily duties: Develop automation concepts and control strategies for a wide range of industrial processes and applications. Produce functional design specifications, I/O schedules, and software documentation. Troubleshoot and debug automation systems Design and program PLC, HMI and SCADA systems to meet project specifications and client...
IR35 Status:
Outside IR35

CV-Library Middlesbrough, UK Contractor
CL
May 09, 2026  
Senior EC&I Engineer - Electrical Infrastructure
Senior Electrical, Control & Instrumentation Engineer Leading Engineering Solutions Provider | Hybrid | Long-term Contract | Outside IR35 | Competitive Rate | Current SC Clearance Required | Electrical Infrastructure Experience Essential The Opportunity We're recruiting a Senior Electrical, Control & Instrumentation (EC&I) Engineer to join a leading defence engineering solutions provider. You'll deliver EC&I design across complex defence infrastructure projects, bringing substantial experience in electrical systems design from either critical infrastructure environments (datacentres, utilities, healthcare facilities) or defence and nuclear backgrounds. Contract Details: Outside IR35 | Competitive rate | Hybrid working (2 days on-site every fortnight) | 9-day working fortnight | Current SC clearance essential This role suits experienced EC&I professionals who understand how to design robust electrical systems in demanding, highly-regulated environments....
IR35 Status:
Outside IR35

CV-Library Reading, UK Contractor
CL
May 09, 2026  
Site Engineer
Site / Setting Out Engineer - Civil Engineering Location: Bath Rate: £400 per day (Outside IR35) Start Date: 18th May Contract Length: Minimum 7 months (strong potential for extension) We are currently recruiting for an experienced Site / Setting Out Engineer to join a well-established civil engineering contractor on a major infrastructure scheme in Bath. This is an excellent opportunity to secure a long-term contract on a project involving road construction and drainage works. Key Responsibilities: Carrying out accurate setting out for civil engineering works, including roads and drainage Use of Total Station and GPS equipment for surveying and site control Interpreting technical drawings and ensuring works are delivered to specification Supporting site teams with engineering expertise and technical guidance Ensuring quality control requirements are met and recorded Assisting with as-built surveys and maintaining site records Liaising with site management, subcontractors,...
IR35 Status:
Outside IR35

CV-Library Bath, Somerset Contractor
CL
May 09, 2026  
Desktop Support Engineer - Outside IR35
Job Title: Desktop Support Engineer Contract Type: Temporary Duration: Initial 2 month contract Location: Various Sites (Travel Required) Pay Rate: £150 per day (Outside IR35) Driving Licence and own car required North West England About the Role: Our client is seeking a skilled Desktop Support Engineer for a temporary contract focused on conducting audit work across multiple sites. This is an exciting opportunity for an individual who thrives in dynamic environments and enjoys hands-on technical support. Key Responsibilities: Conduct audits of desktop systems and services across various locations. Provide technical support for desktop services, including troubleshooting hardware and software issues. Work with Zebra printers and other peripherals to ensure functionality and reliability. Document findings and provide recommendations based on audit results. Collaborate with team members to enhance service delivery and efficiency. Maintain a professional demeanor while...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
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