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Outside IR35 mechanical engineer

73 mechanical engineer jobs found

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
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 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 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
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
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, 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
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 10, 2026  
Project Manager
Project Manager Location: 5 days on Site - Corby Rate: £350 - £400 Day Rate LTD Company Outside IR35 Day Rate 3 Month Rolling Contract Hours are 7.30am to 4.30pm Monday to Thursday 7.30am to 12.30pm Friday Job Purpose We are seeking a Project Manager to support the demands of the growing business in the logistics industry. Reporting to the General Manager, you will be responsible for delivery of start to completion of projects to the logistics industry in the UK as well as taking on bringing projects up speed. Key Responsibilities of the Project Manager: Lead and coordinate daily project meetings, setting priorities, allocating resources, and ensuring alignment on objectives and timelines Manage project intake and workflow, ensuring all new work is accurately scoped, documented, and assigned Provide regular project updates to senior management and internal teams, reporting on progress, risks, and key milestones Act as the primary point of contact for stakeholders, leading...
IR35 Status:
Outside IR35

CV-Library Northampton, UK Contractor
CL
May 07, 2026  
QC Supervisor (Piping & painting)
Mechanical QC Supervisor (Painting & Piping) Location: Point of Ayr, Talacre Contract: 12 Months (Outside IR35) Purpose of the Position: Reporting to the Project Quality Manager, you will join a major decommissioning and carbon capture project. You will be responsible for supervising mechanical inspection activities and ensuring the effective implementation of Quality Control Plans across painting and piping scopes. Key Responsibilities: Review and implement Quality Control Plans relating to mechanical activities, supporting QC systems and processes Ensure availability, suitability, and correct use of inspection equipment and instrumentation Oversee receipt, storage, preservation, calibration, handling, identification, and traceability of mechanical materials and equipment Review vendor documentation including manuals, release notes, and certification records, ensuring full compliance Supervise inspection activities and verify reports, documentation, and quality record...
IR35 Status:
Outside IR35

CV-Library Talacre, Holywell CH8, UK Contractor
CL
May 14, 2026  
DevOps Engineer - DV Cleared
DV Cleared DevOps / Software Engineer - Contract £550-£600 per day | Outside IR35 Condensed week available - work 3 long days, paid for 5 Active MOD DV Clearance required We are looking for an experienced DV Cleared DevOps / Software Engineer to join a high-impact technical environment. This role suits someone who thrives in modern DevOps ecosystems, enjoys building secure, scalable platforms, and wants the flexibility of a condensed working week. You will work across the full software delivery lifecycle, helping to design, build, automate, and maintain robust cloud-native and containerised platforms. Key Responsibilities Design, build and maintain CI/CD pipelines for reliable software delivery Deploy and manage Kubernetes clusters and application platforms Collaborate with engineers to develop, test, and release software efficiently Implement automation and infrastructure as code Ensure systems remain secure, resilient, and scalable Deliver software fixes, upgrades, and...
IR35 Status:
Outside IR35

CV-Library Worcester, Worcestershire Contractor
CL
May 14, 2026  
Site Engineer
Site Engineer – Data Centre in Finland £500 per day – Outside IR35 Trevett Services are delighted to be partnering with a leading Consultancy to source a Site Engineer for a Data Centre in Finland. Working on a large scale Data Centre project, this is a 6/7 year contract. The Site Engineer will act as the site representative supporting the FIDIC Engineer. The role ensures that the Engineer’s duties under the Contract are executed effectively on site, while maintaining independence, compliance with FIDIC procedures, and clear reporting lines. Required Experience: 5–10 years on construction projects, ideally infrastructure, buildings, or civils. 2–3 years specifically working under FIDIC Red/Yellow/Silver Book environments. Key Responsibilities Support the FIDIC Engineer in their responsibilities, including: On-Site Monitoring & Oversight • Maintain a continuous presence on site as the FIDIC contract representative. • Observe daily construction activities to verify...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
May 14, 2026  
Electrical Building Services Design Engineer
ELECTRICAL BUILDING SERVICES ENGINEER POSITION : Electrical Building Services Engineer LOCATION : Commutable from Leeds , Sheffield, Doncaster, York , Hull , Harrogate, Grimsby , Scunthorpe, Beverley, Lincoln , Barnsley , Rotherham, Scarborough The client offers a hybrid mix of home working and office based work HOURLY RATE : £22 - £28 ph - Ltd Co ( outside IR35) and PAYE options available. Equivalent of £42,300 - £47,600 THE ROLE : This is an excellent opportunity for a Electrical Building Services Engineer to join our forward thinking Public Sector client. They offer the opportunity to work on some exciting projects as part of their multi-discipline team working on Capital Projects. The working hours are 37 hours per week. Genuine flexible working arrangements are available This is an initial 6 month contract with a good chance of an extension YOU MUST HAVE THE FOLLOWING : * Previous experience working as a Electrical Building Services Engineer including the Design of schemes...
IR35 Status:
Outside IR35

CV-Library HU13, Hessle, East Riding of Yorkshire Contractor
CL
May 14, 2026  
Java Consultant - Camunda BPM
SC Cleared Java Consultants (Senior Software Developers / Java Architects) with good experience of Camunda BPM (ideally to v8 but v7 considered), are required by my consultancy client. To be considered, you must hold SC Clearance and be either a senior / lead Java Software Engineer or a Java Technical Architect with strong project knowledge of Camunda BPM. These roles will be outside IR35 and on a hybrid working basis. ONLY SC Cleared candidates with good Camunda experience will be considered. Please send your CV in the first instance and if relevant you will be contacted with full role and company information
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
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