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Contractor 24
Engineering Outside IR35 mechanic

24 mechanic jobs found

CL
Jun 12, 2026  
Principal Mechanical Engineer
Principal Mechanical Engineer Nuclear Manufacturing Company | Near Manchester Up to £58.50 per hour | Outside IR35 4-Day Working Week (4 x 10-hour days) A specialist nuclear manufacturing company near Manchester is seeking a Principal Mechanical Engineer to support the delivery of innovative engineering solutions within a regulated industry environment. You'll play a key role in the design, compliance and delivery of complex mechanical systems, including gloveboxes and similar engineered equipment. Key Responsibilities Lead mechanical engineering design and project delivery activities Support UKCA / CE Marking compliance and technical file generation Ensure engineering solutions meet safety and regulatory standards Coordinate with multidisciplinary teams and project stakeholders Support manufacture, testing, installation and commissioning activities What We're Looking For Strong understanding of UKCA / CE Marking Experience within regulated engineering sectors Glovebox or...
IR35 Status:
Outside IR35

CV-Library Preston, Lancashire Contractor
CL
Jun 12, 2026  
Mechanical Design Engineer
Mechanical Design Engineer & Mechanical Draughtsman  3–6-month contract  Rate: £35.00 - £42.50p/h Middlesborough / Darlington / Hartlepool / Sunderland SolidWorks / PDM I am currently recruiting on behalf of a key client-based Teesside who are globally recognised engineering and manufacturing business operating across several high-profile industries including defence, marine & offshore. Due to a new project win, they are looking for experienced Mechanical Design Engineers & Draughtsman to join their team on an interim basis for an initial 3–6-month contract. For this position, you will be required to conduct the following daily duties: 3D modelling in SolidWorks - designing enclosure modifications, bespoke brackets, manifolds and internal component layouts Supporting, updating and maintaining existing 3D models and engineering drawings Finalising and issuing manufacturing drawings to the required standard Defining and applying appropriate tolerances across all...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 12, 2026  
Mechanical Project Engineer
Mechanical Project Engineer to work on a large substation project for the next 1 – 2 years in Ipswich, Suffolk Paying £425 – 450 a day + Outside IR35 + Site/ Home working + Long Term We are currently looking for an experienced Project Engineer with a strong mechanical background to support a major substation project based in Ipswich. This is a long-term contract opportunity offering over 1 – 2 years of work, with a planned start date in July/August 2026. Role Overview The successful candidate will play a key role in delivering substation works, coordinating engineering activities, supporting site teams, and ensuring projects are delivered safely, on time, and to specification. Key Requirements * Proven experience working as a Project Engineer within the utilities, power, or energy sector * Strong mechanical engineering background * Previous experience working on substation projects is essential * Ability to coordinate subcontractors, suppliers, and site...
IR35 Status:
Outside IR35

CV-Library Ipswich, Suffolk Contractor
CL
Jun 10, 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
Jun 08, 2026  
Mechanical Engineer
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....
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jun 08, 2026  
Principal Mechanical Engineer
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....
IR35 Status:
Outside IR35

CV-Library Manchester, UK Contractor
CL
Jun 07, 2026  
Senior Mechanical Design Engineer
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...
IR35 Status:
Outside IR35

CV-Library 3 Dickinson St, Manchester M1 4LF, UK Contractor
CL
Jun 07, 2026  
Mechanical Maintenance Engineer - Outside IR35 contract
Contract opportunity Initial 3 month contract - potential to extend Outside IR35 4on, 4off (days & nights) Immediate/short notice start available Experience of working in a fast-paced, automated, manufacturing environment or similar? I am looking to speak with experienced, mechanically biased, maintenance engineers for a new contract position with a company based in the Glasgow region. Working on a 4 on, 4 off rotation, you will be required to work alongside the existing team of maintenance engineers on both reactive and preventative tasks in supporting the facilities manufacturing activities. The client, a large manufacturing business, needs additional support during a peak busy period. You will be working in partnership with the existing permanent engineering team to maintain a variety of production equipment including conveyors, mixers and filling machines. Due to site regulations, you MUST hold a mechanically focused HNC or HND level qualification as well as a...
IR35 Status:
Outside IR35

CV-Library Glasgow, Glasgow City Contractor
CL
Jun 05, 2026  
Contract Mechanical Project Engineer
Contract Senior Mechanical Project Engineer – Long Term Contract - North Lincolnshire - Outside IR35 – Rate in the region of £50.00 per hour – Manufacturing Client We are recruiting for an experienced Senior Mechanical Project Engineer to join a major COMAH regulated manufacturing site in North Lincolnshire on a long-term contract basis. The role will involve managing multiple upgrade and modification projects across the plant, including the replacement and installation of: Piping, Valves, Vessels, General mechanical plant equipment. Projects will typically range up to £300k in value, and you’ll be working within an established project team on a busy COMAH manufacturing site. Essential Requirements: * Degree qualified in Mechanical Engineering * Proven experience delivering projects on a Chemical plant, Petrochemical site, Refinery, COMAH facility * Strong background managing mechanical upgrade/modification projects Please note: My client can only consider candidates...
IR35 Status:
Outside IR35

CV-Library Lincolnshire, UK Contractor
CL
Jun 12, 2026  
Outage Manager
NW33509 Outage Manager - EFW £500 - £550 Outside IR35 National Position Alecto Recruitment is partnering with a market-leading energy from waste company and together we are seeking an experienced Outage Manager to oversee multiple upcoming outage projects across the UK. Key Responsibilities Lead and coordinate both planned and reactive plant outages, maintenance programmes, and operational activities across multiple sites, ensuring all works are delivered safely, on time, within budget, and in accordance with contractual and operational requirements - with the flexibility to support extended hours, weekend working, and site-based assignments as needed. Provide clear operational leadership across all plant activities, ensuring personnel, contractors, consultants, and service providers are aligned with plant objectives and HSEQ standards, while actively supporting recruitment, training, competency development, and workforce planning to sustain a capable and compliant...
IR35 Status:
Outside IR35

CV-Library United Kingdom Contractor
CL
Jun 12, 2026  
Site Outage Manager
Astute's contract team is partnering with a Global Energy-from-Waste company to recruit a Site Outage Manager on a contract basis for it's Leeds site. You would then move onto different sites in the UK. The Site Outage Manager comes with a day rate of £500-£550, Outside IR35. Key skills required: Degree qualified in Mechanical Engineering with proven experience as an Outage Manager, Plant Operations Manager or similar leadership role within the energy sector or other large scale industrial environments. Proven experience of contractor management and site coordination experience across complex maintenance and outage activities. Excellent technical understanding of mechanical plant systems. Contract length TBC however, at least 6-12 months. 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...
IR35 Status:
Outside IR35

CV-Library Leeds, West Yorkshire Contractor
CL
Jun 12, 2026  
Senior Electrical Engineer
IMMEDIATE START, OUTSIDE IR35 CONTRACT - Senior Electrical Engineer I’m in search of a contract Senior Electrical Engineer who can deliver the detailed electrical design for a containerised ammonia cracker system, supporting safe, reliable, and standards-compliant operation within a modular container environment. The scope of work includes development of the overall electrical architecture, load calculations, and power distribution design, including single line diagrams, protection philosophy, cable sizing, and equipment specification (switchgear, distribution boards, UPS, and associated systems). The contractor shall design and integrate control systems, including PLC hardware selection, I/O definitions, and communication networks, ensuring full compatibility with process and instrumentation requirements. The work shall address hazardous area requirements associated with hydrogen, including equipment selection (ATEX/IECEx where required), area classification support, intrinsic...
IR35 Status:
Outside IR35

CV-Library Surrey, South East Contractor
CL
Jun 12, 2026  
Building And Construction Project Manager
Building and Construction Project Manager - Belfast We are looking for an experienced Construction Project Manager to lead major site-based construction projects from concept through to completion and handover. This is an excellent opportunity for a client-side project management professional who thrives in a fast-paced environment and enjoys delivering complex projects. Pay rate: £40.44per hour Contract: 12-months 35 hours a week. 4.5 days a week. 7am to 7pm (hours confirmed within this time period). Key Responsibilities Manage end-to-end construction project delivery. Lead and coordinate internal and external stakeholders. Develop project plans, CAPEX business cases, and risk registers. Manage budgets, resources, and project documentation. Ensure Health & Safety compliance across all activities. Identify and mitigate project risks and issues. Build strong working relationships with project teams and contractors. Skills & Experience Proven construction project...
IR35 Status:
Outside IR35

CV-Library Belfast, County Antrim Contractor
CL
Jun 11, 2026  
Senior Design Engineer - Engines
Contract position Outside IR35 On-site - Hybrid working in West Sussex Our client, a leader in the automotive sector, is currently seeking a skilled Mechanical Design Engineer to join their team on a contract basis. This role involves designing a wide range of complex engine components, with a focus on off-highway, large engine, heavy-duty, and marine applications. Key Responsibilities: The mechanical design of components through concept, definitive, and detail design phases Carrying out detailed mechanical design work including 3D modelling, basic stress calculations, FMEA's, 2D layouts, 2D detailing, and tolerance stacks Ensuring that system and component specifications meet the required design standards Creating 2D drawings for manufacture or purchase Producing assembly drawings and bills of materials Managing design change requests in a timely manner Ensuring the fit and function of responsible parts or systems and their interaction with other systems Maintaining up-to-date...
IR35 Status:
Outside IR35

CV-Library West Sussex, UK Contractor
CL
Jun 11, 2026  
PMS Design Engineer
PMS ELECTRICAL DESIGN ENGINEER - DATA CENTRES Manchester (Hybrid - 2-3 days in office) 6 Month Initial Contract ASAP Start Outside IR35 I'm currently supporting a global data centre design consultancy that is looking to bring on an experienced PMS Electrical Design Engineer to support multiple hyperscale and mission-critical projects across the globe. Key Experience Required: * Power Management Systems (PMS) * Electrical design engineering background * High voltage systems experience * Modbus (RTU & TCP) * IEC61850 & GOOSE Messaging * Vendor agnostic systems knowledge System Exposure: * Schneider Electric * ABB * Siemens Software Experience: * AutoCAD * Revit * ETAP The role will involve supporting projects through RIBA Stages 2-4 while managing client relationships from concept through delivery alongside dedicated electrical, mechanical, PMS, and BMS engineering teams. The client is a rapidly growing specialist consultancy delivering data centre...
IR35 Status:
Outside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Jun 11, 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
Jun 10, 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 infraastructure 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
Jun 10, 2026  
Contract Electronics Engineer
Contract Electronics Engineer - Outside IR35 £35 - 50/hour South Cambridge | Hybrid - 2 days on site Our client is looking for an Electronics Engineer to join their team on an initial contract to support the latest iteration of a medical device platform. This role centres on supporting the second round of DFM changes ahead of manufacturer handover, covering around 15 PCBs all managed in Altium. The work itself isn’t especially complex, but there’s a fair amount of it - small, detail-heavy updates across layout, schematics, footprints, and libraries, alongside some hands-on debug and EMC-driven design tweaks. You’ll be working closely with mechanical and software engineers inside the instrument, contributing to DFM/DFT improvements and documentation updates to get the next hardware version out the door. Strong Altium experience is important given the volume of changes, and there’s a clear preference for someone on site to make collaboration and problem-solving quicker and more...
IR35 Status:
Outside IR35

CV-Library Cambridge, UK Contractor
CL
Jun 07, 2026  
Site Project Manager
Title: Site Project Manager Location: Site-based (must live within 1 hour of site in Dungannon) Contract Duration: 6 months minimum Start Date: Immediate Working Hours: Mon-Fri, 07:45 - 16:00/16:30 (8-hour days) Rate: £350-£410 per day, Outside IR35 We are seeking a proactive and hands-on Site Project Manager to support the final stages of multiple process and plant projects. This role is ideal for someone with 3-4 years' experience who is confident operating on-site, identifying and eliminating issues, and ensuring systems are fully operational and ready for client handover. You will play a key role in overseeing plant readiness, supporting commissioning activities, and ensuring projects are completed to a high standard. Project Scope Odour Management System - Refurbishment and reinstatement Heat Exchanger Installations - Delivery of two units CO₂ Facility - Supporting final commissioning phase Candidate Requirements Mechanical or Electrical Engineering background...
IR35 Status:
Outside IR35

CV-Library Dungannon, County Tyrone Contractor
CL
Jun 06, 2026  
Design Engineer
A company that specialise in technology for the defence industry is seeking to recruit 2x Mechanical Design Engineers to work on a hybrid basis from their site in Hereford on a contract that is initially scheduled for 3 months (outside IR35). The Role This contract will involve a range of mechanical design work related to mechanical systems for UAV's. Experience Ideal candidates will be fluent in either Solidworks or NX with a good all round mechanical design background. Apply For more information on this contract please email your CV
IR35 Status:
Outside IR35

CV-Library Hereford, Herefordshire Contractor
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