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Inside IR35 mechanical engineer

89 mechanical engineer jobs found

CL
Aug 09, 2026  
Mechanical Engineer
Job Role: Mechanical Engineer Job Type: Contract, Hybrid (3 days onsite) Hours: 37.5hrs/wk Duration: 12 Months Industry: Subsea/Oil & Gas Location: Cumbria, Barrow Rate: £50.00 to £65.00/hr Inside IR35 (PAYE/PAYE Umbrella) Profile – Mechanical Engineer My client is a world leader in the provision of highly advanced technical solutions to Energy sectors. They are currently looking for a Mechanical Engineer to join their team. Candidates will have the opportunity to work in an environment where investment is continuous and substantial, technology is leading edge, teamwork is at the forefront of all they do, and personal development is encouraged at every stage. This is a fantastic opportunity to join a company that pride themselves on delivering high quality superior products to their sector. Job Role – Mechanical Engineer Reporting to the Engineering Manager the Mechanical Engineer shall be responsible for designing and developing high-performance and high-reliable technical...
IR35 Status:
Inside IR35

CV-Library Cumbria, UK Contractor
CL
Aug 13, 2026  
Mechanical Design Engineer
Job Title: Mechanical Design Engineer Location: Rugeley Term: 12 Months Hourly Rate: £DOE IR35 Status: Inside IR35 Key Skills: Mechanical Design, Engineering, SolidWorks, CAD, Mechanical, Enclosures, Shock, Thermal We are seeking an experienced Mechanical Design Engineer Contractor with strong expertise in complex enclosure design to support our growing engineering team. You will work within integrated product teams and collaborate closely with specialists across mechanical, electrical, systems and electro-mechanical disciplines to develop high-performance mechanical solutions for cutting-edge defence products. This role is ideal for engineers who thrive in a fast-paced environment, enjoy variety, and want to contribute across the full product lifecycle, from concept generation to final delivery. Key Responsibilities Create high-quality mechanical models using CAD tools Contribute to all stages of product design and development Apply mechanical engineering expertise to support...
IR35 Status:
Inside IR35

CV-Library Rugeley, Staffordshire Contractor
CL
Aug 14, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 12 month contract. This role would suit a Mechanical Design Engineer who comes from a strong Defence or Aerospace background has strong Creo / PRO-E skills.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 4 days a week likely onsite (likely could be lower on a week by week basis; depending on work). 1 day remote. (flexible on start and finish time). A compressed 4 day week (Monday to Thursday) a possibility. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Design Engineer Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. You will...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 13, 2026  
Senior Mechanical Auxiliaries Engineer
12 Month Contract Rate open to negotiation (Inside IR35) Hybrid Working – 1 – 2 days per week on site with some flexibility as the contract progresses Job Role: The Senior Auxiliary Engineer will support the design, integration, and technical assurance of various auxiliary systems across a complex marine platform. They will apply deep expertise in system performance, capacity assessment, and optimisation to deliver robust, compliant, and customer focused solutions throughout the shipbuilding lifecycle. The role ensures high engineering standards by driving improvements to processes, supporting technical investigations, and providing evidence-based decision making. Strong marine/auxiliary systems experience is essential to ensuring system reliability and capability across the platform. Key Responsibilities: Preparing specifications, develop Stage 1 Auxiliary System design solutions in line with specifications and all quality and technical standards. Support and participate...
IR35 Status:
Inside IR35

CV-Library Glasgow, UK Contractor
CL
Aug 13, 2026  
Mechanical Design Engineer
Mechanical Design Engineer 12 month contract Based in Stevenage Offering £50ph Inside IR35 Do you have experience using CREO? Do you have experience carrying out mechanical design and proving activities? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Mechanical Design Engineer, you will be working alongside a market-leading Defence and Aerospace company who are constantly growing and developing. They are always looking to bring on new talents such as yourself and further develop your skills to enable you to grow within the company and industry. You will be involved in: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies Support/liaise with manufacturing, resolving manufacturing problems & defects Support the functional & environmental testing and trials Liaise with suppliers/purchasing to...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 13, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Location: Stevenage - 4 days/week onsite minimum (likely flexible week to week) + 1 day remote Duration: 12 months Rate: £50/hour Umbrella IR35: Inside Clearance: SC + BPSS to start (UK Eyes Only) Overview You will work closely with other functional teams, to develop products to meet our customer's needs. Within this role you will have the opportunity to work as part of a multi-disciplinary team to perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries. Responsibilities: Carry out Mechanical Design and proving activities as part of a wider team for prime and variant products, of both piece parts and assemblies. Support/liaise with manufacturing, resolving manufacturing problems & defects. Support to functional & environmental testing and trials. Liaise with suppliers/purchasing to resolve any technical queries that may arise....
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire 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 16, 2026  
Manufacturing Engineer
World Class Defence Organisation based in Bolton is currently looking to recruit a Manufacturing Engineer. The department are looking for candidates with skills in the following: Verification & validation, design modifications, commissioning, FMEAs, configuration control, sub-assembly manufacturing.   Rate: £35.00 per hour Location: Bolton Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Manufacturing Engineer Job Description: As a Manufacturing Engineer within the unit & missile assembly manufacturing facility your focus will be to ensure that our products are built efficiently and to budget. A key member of the Manufacturing Engineering team, you will carry out activities in support of multi-project manufacturing. Compilation and update of Manufacturing Instructions. Design, Commissioning and...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Aug 15, 2026  
Manufacturing Engineer
World Class Defence Organisation based in Stevenage is currently looking to recruit a Manufacturing Engineer. The department are looking for candidates with skills in the following: Verification & validation, design modifications, commissioning, FMEAs, configuration control, sub-assembly manufacturing.   Rate: £35.00 per hour Location: Stevenage Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Manufacturing Engineer Job Description: As a Manufacturing Engineer within the unit & missile assembly manufacturing facility your focus will be to ensure that our products are built efficiently and to budget. A key member of the Manufacturing Engineering team, you will carry out activities in support of multi-project manufacturing. Compilation and update of Manufacturing Instructions. Design,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 15, 2026  
MAF Facility Engineer
Position: (phone number removed)  - MAF Facility Engineer  Location: Whitley Position Type: Contract Inside IR35 Salary: £29.72 per hour umbrella inside IR35 About the company I am currently recruiting on behalf of a Luxury Automotive OEM based in Whitley who are seeking a MAF Facility Engineer  to join their team on a long term rolling basis The Opportunity In this role you will work within the Powertrain Facilities supporting the development of the next generation and current generation state of the art of the Clients' products be it conventional Combustion Engines or new Technology such as Battery powered with Electric Drive Units and Control systems or a mixture of both in Hybrid systems. You will work as an individual and as part of a team to keep the facility and equipment within the facility compliant for Certification and Development testing across all Product Development sites. This role will operate across the facility conducting activities to ensure that the team...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Aug 14, 2026  
Manufacturing Engineer - Assembly and Integration
On behalf of our client, we are seeking to recruit a Manufacturing Assembly & Integration Engineer Lead on an initial 12-month contract basis. As the Manufacturing Assembly & Integration Engineer your focus will be to ensure that our products are built efficiently and to budget. A key member of the Manufacturing Engineering team, you will carry out activities in support of multi-project manufacturing. Role: Manufacturing Assembly & Integration Engineer Pay: £32 - £35 per hour Umbrella rate Location: Stevenage - fully onsite Contract: Monday to Friday, 37 hours per week, 12 months IR35 Status: Inside SC Clearance: SC however can start on BPSS Responsibilities: Compilation and update of Manufacturing Instructions. Design, Commissioning and proving of associated tooling. Support the industrial validation process using FMEA's, FAI's etc. Resolution of technical problems that may arise during the manufacturing process. Route card changes as a result or rework...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 13, 2026  
Project Manager Building Services
Project Manager - Fire & Mechanical Building Services (Contract) £38ph - £45ph + holiday payMy client is an established global manufacturer of HVAC & Fire Suppression installations, supplying throughout EMEA from their UK site. The company has many interesting projects in the pipeline, including commercial, industrial, and data centre projects, and is recruiting to meet customer demand. We invite applications from Project Managers with Building Services experience and ideally, but not essentially fire industry experience. The Role You will join an expanding team of existing PM's Project Management and Project Engineering - organise planning/programming of the project Carry out contract review - technical and commercials Project planning and capital equipment procurement Cost control and interim/final accounts Prepare procurement plan & arrange the purchase of goods Project control including RFIs, Variations, Delays, Preparation of O&M manuals, raising monthly...
IR35 Status:
Inside IR35

CV-Library Manchester, Greater Manchester Contractor
CL
Aug 12, 2026  
Composite Structures Engineer
Job Title: Composite Structures Engineer Location: Portsmouth Day Rate: £DOE IR35: Inside Term: 6 Months Security Clearance: SC to start Key Skills: Composites engineering, Structural verification and validation, Composite-to-metal interfaces, Structural design codes (Maritime/Civil), Mechanical/Structural analysis, FEA / Structural simulation About Us: In this pivotal role, you will use Finite Element Analysis (FEA) to model and assess the structural response of submarine propulsors under quasi-static and dynamic conditions. You will develop and review FEA models, technical reports, and design documentation, and approve work packages and drawings. The Role: So, what will you be doing as a Composite Structures Engineer? Lead and coordinate engineering activities, applying technical expertise and sound judgement to deliver projects within scope, time, and budget. Mentor and share expertise with engineering teams to build capability. Promote cross-functional collaboration and...
IR35 Status:
Inside IR35

CV-Library Portsmouth, Hampshire Contractor
CL
Aug 15, 2026  
Component Engineer
On behalf of our client, we are seeking to recruit a Component Engineer on an initial 6-month contract. The Component Engineer will be part of a multi-disciplined team completing administration activities, technical advisement, making requests to suppliers and responding to internal queries. You will ensure we deliver a comprehensive component service offering technical advice and ensuring accuracy of data. Role: Component Engineer Pay: Up to £50.00 per hour Via Umbrella Location: Stevenage or Bolton Contract: Monday- Friday, 37 Hours per week, 6 Months contract IR35 Status: Inside Security Clearance: SC Required to start, UK Eyes only Responsibilities Processing and responding to support queries Processing component data (based on Life cycle status, Export Control and REACH/RoHS compliance) Working within departmental processes completing administration tasks Support for Electronic, Electrical, Mechanical or Material commodities Support continuous improvement activities...
IR35 Status:
Inside IR35

CV-Library Bolton, Greater Manchester Contractor
CL
Aug 15, 2026  
Component Engineer
On behalf of our client, we are seeking to recruit a Component Engineer on an initial 6-month contract. The Component Engineer will be part of a multi-disciplined team completing administration activities, technical advisement, making requests to suppliers and responding to internal queries. You will ensure we deliver a comprehensive component service offering technical advice and ensuring accuracy of data. Role: Component Engineer Pay: Up to £50.00 per hour Via Umbrella Location: Stevenage or Bolton Contract: Monday- Friday, 37 Hours per week, 6 Months contract IR35 Status: Inside Security Clearance: SC Required to start, UK Eyes only Responsibilities Processing and responding to support queries Processing component data (based on Life cycle status, Export Control and REACH/RoHS compliance) Working within departmental processes completing administration tasks Support for Electronic, Electrical, Mechanical or Material commodities Support continuous improvement activities...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 15, 2026  
Maintenance Engineer
Maintenance Engineer - Electrical / Mechanical / Multi Skilled Positions available at multipler sites across the West Midlands Locations: Birmingham, Wovlerhampton, Coventry, Solihull, Coleshill Shifts available: 2 Shift Rotation - 54-57k Salary Equiavelent 3 Shift Rotation - 58k-62k Salary Equiavelent Contract: 12 Months Temp-to-Perm ------These roles are inside IR35------ The Role: We are looking to recruit several Multi-Skilled / Electrical or Mechanical Maintenance Engineers from a conveyor, automated, or fast-paced environment and you will be responsible for ensuring that all production and ancillary machinery, equipment, and power systems operate at maximum efficiency. You must have good electrical or mechanical skills and have prior experience working within a production maintenance capacity. Key Performance Indicators - Equipment reliability and performance - Plant Maintenance (TPM & PPM) Qualifications and Experience - Ideally you will have xxperience with...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Aug 14, 2026  
Chassis Dyno Engineer
Position: Chassis Dyno Engineer    Location: Warwick Position Type: Rolling contract Inside IR35 Salary: £28.43 per hour umbrella inside IR35 About the company I am currently recruiting on behalf of a Luxury Automotive OEM based in Gaydon who are seeking a Chassis Dyno Engineer to join their team on a rolling contract basis working 40 hours per week Based inside IR35 Job Description This role provides a hands‑on opportunity to support the operation of the Environmental Chassis Emissions Dynamometer at the APRL facility, based at Warwick University. Reporting to the Test Preparation Engineer, you will be responsible for the end‑to‑end execution of chassis dyno testing activities Experience in chassis dynamometer or engine test facility operation, including vehicle installation, test execution, and post‑test activities Practical experience with vehicle preparation and instrumentation, including sensor setup, thermocouples, emissions measurement systems, and data acquisition...
IR35 Status:
Inside IR35

CV-Library Charlecote, Warwick, UK Contractor
CL
Aug 14, 2026  
Quality Control Engineer
Quality Control Engineer (Aerospace) - Yeovil (Site Based) Contract to end of year | Inside IR35 | 37 hrs/week (Mon-Fri) | No SC required An opportunity has arisen within the Transmissions & Mechanical Parts Centre of Excellence for a Quality Control Engineer to support Production in meeting Quality Control, Quality System and Regulatory requirements within a gear shop / mechanical parts environment. Key responsibilities Review customer and regulatory requirements and ensure compliance across the business Prepare and deliver quality training to meet regulatory, customer and company standards Train and qualify Gear Inspectors, including eyesight tests and re-validations Provide day-to-day inspection support for the Gear Shop Review/approve product qualification documentation (e.g. FAIR / First Article Inspection Reports) Support the concession process (Civil - electronic and Military) Prepare, review and approve quality procedures on behalf of the Quality Manager Liaise...
IR35 Status:
Inside IR35

CV-Library Yeovil, Somerset Contractor
CL
Aug 13, 2026  
Contract Maintenance Engineer
Contract Maintenance Engineer Food Manufacturing | Day and Night Shifts | Leicester & Nottingham We are recruiting Contract Maintenance Engineers to join our established team, supporting busy food manufacturing sites across the region. The role involves providing engineering support to production teams, carrying out both reactive and planned maintenance to ensure plant and equipment are operating safely and efficiently with minimal downtime. These opportunities would suit: Contract Engineers looking for extra work on their days off Contract Engineers wanting additional income to top up their pension Contract Engineers seeking their next long-term contract opportunity The Role: Multi-skilled Contract Maintenance Engineer (electrically biased) Reactive and proactive maintenance across plant, equipment and auxiliary systems Support production to minimise downtime and maximise efficiency Ensure planned engineering tasks are completed on time and in full Maintain high standards...
IR35 Status:
Inside IR35

CV-Library Leicester, UK Contractor
CL
Aug 13, 2026  
Electrical CAD Design Engineer
Electrical CAD Engineer Initial 12-month contract Remote contract £425pd, Umbrella, inside IR35 Please note, this role will require the successful candidate to undergo SC Security Clearances checks. Our client, a leading name in the Defence & Security sector, is currently seeking a talented Electrical CAD Engineer for a contract role. This exciting opportunity will see you join the Design Team of the SV Programme and Wheeled vehicles, where your contribution will emphasise safety, cost-efficiency, and ease of manufacture. Key Responsibilities: Produce design solutions including concepts, packaging, and platform installation design Maintain the integrity of the design solution, ensuring safety Support the design process throughout the project lifecycle Align CAD to BoM at Platform Level Manage BoM at platform level Implement Engineering Design Changes Ensure installation design solutions fulfil vehicle requirements Prepare material for internal and external design reviews...
IR35 Status:
Inside IR35

CV-Library Blackwood, Caerphilly Contractor
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