Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 50 Inside IR35 24 Outside IR35 23
Refine by Categories
Engineering 50 Construction 19 Information Technology 17 Design 4 Management 4 Marketing 4
Automotive 3 Manufacturing 3 Media-Journalism 3 Science 2 Education 1 Finance 1 Other 1
More
Contractor Stevenage mechanical design engineer

97 mechanical design engineer jobs found in Stevenage

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  
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 Design Engineer
We are currently supporting a leading engineering business within the water treatment sector in their search for a Mechanical Design Engineer to join their growing team.  This is a long term contract, outside ir35 with remote working considered (must be based in the UK).  The Role You will act as the sole Mechanical Engineer across several concurrent projects, taking ownership of mechanical design input, specification, and procurement activities. Key responsibilities include: Specifying and procuring pumps, blowers, and steelwork fabrications Supporting delivery of multiple medium-scale water treatment projects Working closely with suppliers and fabrication partners across the UK Attending factory acceptance tests (FATs) at various UK sites Ensuring engineering solutions are delivered to quality, cost, and schedule requirements About You We are looking for a self-sufficient and fast-learning engineer who is comfortable taking ownership of their work. Ideally you will have:...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 08, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - High-End Residential & Commercial Remote (UK) £40-£45 per hour 6-Month Contract (Temporary) | Outside IR35 An exciting opportunity has arisen for an experienced Mechanical Design Engineer to join a specialist Building Services consultancy delivering luxury residential and high-end commercial office developments. This Mechanical Design Engineer role is ideal for someone who enjoys taking ownership of mechanical building services designs and working independently across technically demanding projects. You'll be responsible for delivering Stage 5 mechanical designs while supporting the successful delivery of prestigious developments from detailed design through to construction. The successful Mechanical Design Engineer will join a highly experienced consultancy, working remotely on a portfolio of premium Building Services projects. The Role As a Mechanical Design Engineer, you'll be responsible for: Designing mechanical building services...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Jul 09, 2026  
Mechanical Design Engineer
This amazing long term contract Mechanical Design Engineer contract with a leading Formula One organisation in Northamptonshire, is to support a range of high-performance, advanced technology programmes. This is an exciting opportunity to contribute to world-class engineering projects in a fast-paced, innovation-driven environment. The Role As a Mechanical Design Engineer, you will support the design and development of mechanical components and systems, contributing across the full product lifecycle — from concept through to validation and release. You’ll work closely with cross-functional teams to deliver high-quality, right-first-time engineering solutions across a variety of technically demanding projects. Key Responsibilities Design and develop mechanical components and assemblies across motorsport and advanced automotive programmes Support engineering activities from clean sheet concept through to end-of-life Produce detailed designs for complex, highly loaded components Apply...
IR35 Status:
Unknown Status

CV-Library NN6, Spratton, West Northamptonshire Contractor
CL
Aug 06, 2026  
Mechanical Design Engineer
Looking for a good all-round mechanical design engineer, skilled on either SolidEdge or SolidWorks . Enclosuers, cabinets/boxes around electronics, brackets machines parts...basically light metal work that houses systems. Ideal candidate will come from Medical or Electronics enclosures or consumer products..NOT Heavy industry
IR35 Status:
Unknown Status

CV-Library Abingdon, Oxfordshire Contractor
CL
Aug 11, 2026  
Design Engineer
A well-renowned manufacturer of consumer electronics are seeking to recruit a Contract Design Engineer to join their team to assist with the development of a range of new consumer products. As Mechanical Design Engineer will you be responsible for: Development of whole products as well as mechanisms and sub-assemblies. End-to-end project management of multiple projects from concept through to manufacture. Rapid prototyping, functional lab testing and analysis of test data. Work with external manufacturing partners and other suppliers. To be successful in this role you will have: Proven experience as a Design Engineer. Qualified to degree level in either PhD, MSc, MA, MEng, BEng or BSc in Mechanical Engineering Experience in medical devices, consumer electronics or household/kitchen appliances. Proven experience in developing plastic injection moulded components and enclosures for mass manufacture. 3D CAD (such as ProE, wildfire, CREO, solidworks, solid-works). We offer full...
IR35 Status:
Unknown Status

CV-Library London, 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
Jun 18, 2026  
Tooling Design Engineer
Tooling Design Engineer Ampthill, Bedfordshire Contract (6 months), inside IR35, 37.5h, 4 day working week Monday to Thursday About the Role The Operations Engineering team provides engineering resources to support Operational performance and major product development projects; from design through to engineering build and production support, to end of life of product. The team provides full product lifecycle support including prototype design & build, development and integration of the build documentation and supporting requirements of full production build. This role will be required to provide technical support to the team in the design, development and implementation of industrial tools, jigs, fixtures, prototype model production and machine attachments required for production or experimental use, considering such factors as accessibility, economy, mobility, performance requirements and ensure legislative compliance is adhered to. A thorough working knowledge of CAD...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Aug 08, 2026  
TLS Mechanical Engineer
Senior Mechanical Engineer Location: Pitstone, Buckinghamshire (On-site) Are you a senior, hands-on Mechanical Engineer looking for a high impact contract where your expertise genuinely shapes outcomes? This is an exciting 12 month Inside IR35 opportunity, based in Pitstone, offering the chance to join a technically advanced, safety critical engineering environment delivering real Through Life Support (TLS) value. This role will appeal to engineers who enjoy problem solving at pace, influencing technical direction, and working at the heart of production, quality, and engineering decision making. For those considering relocation, Pitstone offers access to excellent transport links, scenic surroundings, and a strong engineering community. The Opportunity As a Senior Mechanical Engineer, you will play a key role in strengthening the Through Life Support team, bringing depth of experience, technical leadership, and resilience to complex challenges. You'll provide both tactical...
IR35 Status:
Inside IR35

CV-Library Leighton Buzzard, Bedfordshire Contractor
CL
Aug 08, 2026  
Senior Mechanical Project Engineer
Senior Mechanical Project Engineer - Water/Wastewater Location: London Rate: £500 - £550 per day (Umbrella PAYE) Duration: 18 months+ / Ongoing Sector: Water Infrastructure Are you an experienced Project Engineer with a background delivering complex engineering projects within the UK Water sector? Do you want the opportunity to play a key role in the delivery of major infrastructure schemes, providing technical leadership and assurance across a portfolio of multi-million-pound projects? My client is a leading contractor delivering a significant programme of works as part of the AMP8 investment cycle across Thames Water's infrastructure network. Due to continued growth, they are looking to strengthen their engineering team with an experienced Senior Project Engineer who can provide technical oversight, engineering assurance and delivery support across a range of complex Clean and Wastewater projects. This is a key role within the project delivery function, working closely...
IR35 Status:
Unknown Status

CV-Library Greater London, UK Contractor
CL
Aug 12, 2026  
Electrical Design Engineer
Electrical Design Engineer - Life Sciences London | Hybrid Working (Remote Considered) £43-£52 per hour 6-Month Contract (Temporary) | Outside IR35 An exciting opportunity has arisen for an experienced Electrical Design Engineer to join a leading Building Services consultancy delivering major life sciences and laboratory developments across the UK. This Electrical Design Engineer role is ideal for someone who enjoys designing complex electrical building servMSCices systems for highly serviced, technically demanding environments. You'll join a multidisciplinary team delivering large-scale life sciences projects from concept through to construction, working alongside some of the UK's leading contractors and design teams. The successful Electrical Design Engineer will play a key role in the delivery of high-value laboratory and research facilities, contributing to innovative engineering solutions across technically challenging developments. The Role As an Electrical Design...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 10, 2026  
Design Engineer
Design Engineer (12 Months +) We are supporting a London-based food manufacturing organisation with the appointment of a Design Engineer for a minimum of 12-months. This is a role that will be outside IR35. Role Overview Working closely with Project Managers and Engineers, you will be responsible for the creation, management, and coordination of engineering documentation, primarily via CAD. The role spans all project phases, from initial concept and design through to commissioning and closeout. Key Responsibilities Produce and develop detailed engineering drawings including PFDs, P&IDs, and equipment layouts Update existing drawings to reflect system modifications and enhancements Utilise AutoCAD Plant 3D in line with best practice to ensure efficient, usable models Work with point cloud data to extract geometry and support brownfield design Assess spatial constraints, interferences, and clashes within existing facilities Convert complex 3D data into clear, usable 2D...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Aug 09, 2026  
M&E Quality Inspector / Clerk Of Works
M&E Clerk of Works Location: Central London Rate: £350 - £400 per day DOE - 3 DAYS PER WEEK INITIAL About the Role We are currently recruiting an experienced M&E Clerk of Works to support the delivery of a varied programme of mechanical and electrical projects across a prestigious estate in Central London. Working closely with the Project Engineering team, you will be responsible for monitoring the quality of installation works, ensuring contractors deliver projects in accordance with specifications, drawings, current regulations and industry best practice. This is an excellent opportunity for an experienced Clerk of Works, Building Services Engineer or Site Quality Inspector looking to work on technically challenging projects within a unique environment. Key Responsibilities * Carry out regular site inspections of mechanical and electrical installations. * Ensure works comply with design specifications, drawings and relevant British Standards. *...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Jun 28, 2026  
Senior HVAC Design Engineer
Data Centres are crucial components of today's infrastructure, supporting everything from business to public services. 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 a Senior Mechanical Engineer your role will be as part of an interdisciplinary team lead the design of mechanical systems (Building servies and cooling) on medium to large-scale Mission Critical projects through all design stages from Concept to Construction Supervision and Hand-Over Lead the preparation and review of design deliverables Lead projects and work closely with our data centre clients to deliver quality work to meet their specific needs Present technical content for review by technical and non-technical...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
May 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
Aug 12, 2026  
Senior Mechanical Project Engineer
One of London’s leading Building Services contractors is actively seeking a Senior Mechanical Project Engineer for a new landmark high rise residential scheme in South East London. This contractor is most prominent in commercial and residential sectors and are widely rapidly becoming one of the go to specialists in the industry, having built strong relationships with several of the tier 1 developers and contractors. As Senior Mechanical Project Engineer you will be number one on site overseeing the delivery of a £12m mechanical install, reporting directly to a Senior PM. This project is a flagship scheme for one of their longest standing clients, a market leading and widely recognised developer. Besides the chance to add a flagship project to your resume, this is a fantastic opportunity for an ambitious Engineer to fast track their career towards Project Manager level. With a lean management business model, this contractor will allow you to quickly climb the ladder and give you the...
IR35 Status:
Unknown Status

CV-Library Tower Hill, Greater London Contractor
CL
Aug 07, 2026  
Senior Project Engineer
Lead complex engineering projects from concept to completion and make a real impact in a highly regulated environment. Our Client has a requirement for a Senior Project Engineer, who will be required to work on a contract or permanent basis in Barking. Role Purpose: Manage the design, construction, commissioning and handover of engineering projects. Ensure project delivery is achieved safely, efficiently, on time and within budget. Coordinate design, commercial, construction and commissioning activities throughout the project lifecycle. Support the Project Manager in achieving programme, quality, health and safety, and client satisfaction objectives. Drive innovation, continuous improvement and effective risk management across projects. Job Role Responsibilities: Develop, manage and maintain construction programmes to ensure key milestones are achieved. Lead collaborative planning sessions with internal and external stakeholders. Prepare and manage tender invitations, evaluate...
IR35 Status:
Unknown Status

CV-Library Barking, UK Contractor
CL
Aug 07, 2026  
Design Engineer - Cooling Systems
Design Engineer – Cooling Systems Rate £35.00 per hour Location: Woking Contract: Outside IR35 | 6-month contract Role Summary An exciting opportunity has arisen for a Design Engineer – Cooling Systems to support the design and development of ESS cooling system components for high-performance automotive applications. The Design Engineer – Cooling Systems will be responsible for delivering engineering solutions throughout the full product development lifecycle, from requirements capture through to engineering release, ensuring compliance with design, manufacturing, packaging and quality requirements. Role & Responsibilities Design and develop ESS expansion tanks, cooling hoses and associated mounting and interface components. Create and modify 3D CAD models and 2D engineering drawings using CATIA V5/V6. Apply GD&T principles in line with company and industry standards. Perform engineering calculations including bolt strength, expansion tank volume and hose clamp...
IR35 Status:
Outside IR35

CV-Library Woking, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software