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
Refine by Categories
Information Technology 16 Construction 4 Automotive 2 Management 1 Manufacturing 1 Other 1
Refine by Job Type
Contractor 45
Engineering Inside IR35 mechanical project engineer

45 mechanical project engineer jobs found

CL
Jun 27, 2026  
Project Engineer (MEP & Building Services)
Project Engineer (MEP & Building Services) Location: Birmingham (Hybrid - Minimum 3 Days Per Week On-Site) Contract Length: 9 Months Rate: Negotiable (Inside IR35 via Umbrella) Overview HS2 is seeking an experienced Project Engineer with a strong background in MEP (Mechanical, Electrical and Plumbing) and Building Services to join the BBV-IPT team on a 9-month contract basis. This is a client-side engineering assurance and delivery role, focused on overseeing and verifying contractor design activities rather than undertaking detailed design work. The successful candidate will play a key role in ensuring the successful integration, assurance, and certification of multiple building services systems across critical HS2 infrastructure assets. Key Responsibilities Act as the client-side Project Engineer for building services packages across multiple HS2 assets. Oversee and verify contractor self-assurance processes during the design phase. Review contractor submissions to...
IR35 Status:
Inside IR35

CV-Library Birmingham, West Midlands Contractor
CL
Jun 25, 2026  
Mechanical Development Engineer
A contract position Inside IR35 On site in West Sussex Our client, a leading consultancy in the automotive sector, is currently seeking a Mechanical Development Engineer to join their team. This contract role demands a solid understanding of automotive components, systems, and associated vehicle parts. Proven Powertrain experience is essential and ideally knowledge on transmissions. The role involves close collaboration with OEMs, suppliers, and test, design, and analysis teams to define testing plans, analyse results, and recommend design changes. Projects may require working independently or as part of a cross-functional international team. Key Responsibilities: Managing teams and preparing proposals Understanding product development processes for powertrains and transmissions Developing system and component specifications Conducting rig and system validation testing Utilising instrumentation and data capture tools Conducting FMEAs and preparing DVPs (Design Validation...
IR35 Status:
Inside IR35

CV-Library West Sussex, UK Contractor
CL
Jun 25, 2026  
Repair Development Engineer
Rullion Is currently looking to recruit for the following role for one of our global leading clients in their Global Repair Network Team Repairs Engineer Warwick ASAP Start 6 months++++++ Inside IR35 £46 Per hour PAYE/£62 Per hour Umbrella Hybrid Industry - Gas Turbine Our client has an exciting opportunity within the Global Repair Network Team working closely with their external network of MROCs (Maintenance, Repair & Overhaul Centre's) and authorized Repair Vendors. The Repair Engineer (FTC) role within the Repair Network Engineering Team will play a key part in supporting the existing global capability within the Global Repair Network Team as well as future capability developments. Job Role. Support component repair development activities. Assess, investigate and sentence non-conforming components. Support repair scheme amendment/writing and technical variances. Support implementation of improvements & technical solutions (internally & externally). Represent...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Jun 21, 2026  
Senior Civil Design Engineer
Job Title: Civil Engineer Salary: £50 - £60 (dependent on experience) Location: Reading Type: Contract - Inside IR35, hybrid working About the Role: Our client is seeking a Civil Engineer with 5+ years' experience who is ready to hit the ground running. You'll work closely with a senior engineer on a diverse portfolio of projects, including large-scale civil schemes and complex mechanical and electrical designs. Your work will cover design development and, when design work slows, involvement in project management and commercial activities. This role offers significant development opportunities due to the breadth of experience it provides. About Our Client: Our client is a well-established engineering organisation delivering innovative and complex infrastructure projects across the UK. They value versatility, technical expertise, and the opportunity for engineers to develop across multiple disciplines. Key Responsibilities: Design development across civil, mechanical, and...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 21, 2026  
Mechanical Engineer - Certification & Validation
Mechanical Engineer - Certification & Validation Location: Stevenage (Hertfordshire) Duration: 6 months (extension possible) Rate: £50 p/h Umbrella IR35: Inside Clearance: SC (BPSS to start possible) / UK Eyes Only (UKEO) Working pattern: 2 days minimum onsite, remainder remote Overview An opportunity to become part of Europe's No. 1 Missile Systems Designer, as a Mechanical Design Engineer. 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 work on the certification and validation activities to allow a new product to be delivered into service with international customers. Responsibilities: Support the Mechanical Certification Lead Engineer on generating evidence statements against Mechanical Requirements. * Interpreting Test reports from subsystem, inert and live munition testing * Interfacing with the Systems team,...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 20, 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
Jun 20, 2026  
Mechanical Engineer – Certification & Validation
World Class Defence Organisation is currently looking to recruit a Mechanical Engineer – Certification & Validation subcontractor on an initial 6 month contract. Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week onsite, the rest working remotely from home. Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) Mechanical Engineer – Certification & Validation Job Description: An opportunity to become part of Europe’s No. 1 Missile Systems Designer, as a Mechanical Design Engineer. 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 work on the certification and validation activities to allow a new product to be delivered into...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 20, 2026  
Project Engineer (EC&I)
Job Description: Nuclear Project Engineer Location: Malton, North Yorkshire Contract: 12 months, Inside IR35 Overview: To provide fit for purpose engineering solutions for complex projects. To ensure that design authority standards and configuration control are applied appropriately. A Project Engineer (Senior) will provide more complex engineering solutions to higher profile projects, underpinned by a high level of technical knowledge and experience. * Identify project functional requirements and stakeholder needs for assigned project. * Manage engineering support to the project. Contribute to production of Project Execution Plans including design, safety case and commissioning strategies. * Support project optioneering process. * Develop concept design and fit for purpose engineering solution for projects. * Produce and/or approve project technical specifications. * Manage detailed design activities in accordance with design authority standards. *...
IR35 Status:
Inside IR35

CV-Library Malton, North Yorkshire Contractor
CL
Jun 12, 2026  
Mechanical Design Draughtsperson
World Class Defence Organisation is currently looking to recruit a Mechanical Design Draughtsperson subcontractor on an initial 6 month contract. Rate: £45.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week likely onsite.  The rest working from home Contract: 37 Hours per week Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Duration: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)  Mechanical Design Draughtsperson Job Description: An opportunity to become a member of Europe’s No. 1 Missile Systems company as a design draughtsperson in the mechanical engineering function, you will work closely with a wide range of project teams to develop definitions to meet our manufacturers and customer’s needs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   This role would suit a candidate who comes from a strong background of working as a Mechanical Design Engineer, Mechanical Systems Engineer, Mechanical Architect or has experience of Mechanical Systems Architecture.  A defence / aerospace background is ideal but not essential. DOORS experience would be great.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
Jun 05, 2026  
Electronics Design Engineer
World Class Defence Organisation based in Stevenage (the role can be a split of working Onsite and Working From Home) is currently looking to recruit a number of Electronics Design Engineer subcontractors on an initial 12 month contract.    Electronic Design Engineers with excellent skills in Analogue Design or Digital Design or Power Design or FPGA are sought after.    Job Title: Electronics Design Engineer Rate: £58 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: This role will involve some remote working opportunities Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Electronics Design Engineer Job Description: The Electronic Engineering function is a friendly and supportive environment. Within the function, you will be working with other engineers who have a collective wealth of...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 23, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 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 or Bristol – depending on your preference 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: 6 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 23, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 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 or Bristol – depending on your preference 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: 6 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...
IR35 Status:
Inside IR35

CV-Library Bristol, UK Contractor
CL
May 16, 2026  
Principal Thermal Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.   Hourly Rate: £50.00  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage Hybrid / Remote working: The role will likely be onsite 3 days per week. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage onsite interview   Principal Thermal Engineer Job Description: The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 14, 2026  
Commissioning Engineer Mechanical
Commissioning Engineer (Mechanically Biased) Warrington Contract until Jan 2027 Inside IR35   Responsibilities The Commissioning Engineer reporting to the Commissioning Team Leader, carries out a role to undertake delivery of assigned commissioning tasks in a safe and effective manner, in line with commissioning process requirements. This role is specific to candidates with experience in nuclear in-cell handler testing.    The Commissioning Engineer is responsible for: Delivering the commissioning work scope to an agreed strategy and plan in a timely and cost effective manner Execution of the arrangements for controlling, witnessing, recording and assessing the results of commissioning tests which may affect safety. Ensuring a proactive and balanced approach to safety (nuclear, radiological, conventional and environmental) to ensure that safety is optimised during commissioning Reviewing commissioning progress and performance and taking appropriate corrective actions where...
IR35 Status:
Inside IR35

CV-Library Cheshire, UK Contractor
CL
Apr 18, 2026  
Manufacturing Engineer
World Class Defence Organisation based in Bolton is currently looking to recruit 4x Manufacturing Engineers. 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 proving of associated tooling. Support the industrial validation process through the use of FMEA’s, FAI’s etc. Resolution of technical problems that may arise during the manufacturing process....
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Mar 25, 2026  
Manufacturing Engineer
Manufacturing Engineer 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 proving of associated tooling. Support the industrial validation process through the use of FMEA’s, FAI’s etc. Resolution of technical problems that may arise during the manufacturing process. Route card changes as a result or rework activities. Management of Configuration Control by...
IR35 Status:
Inside IR35

CV-Library Bolton, UK Contractor
CL
Jun 28, 2026  
Senior Civil/Structural Engineer
Role: Senior Civil/Structural Engineer Location: Devonport(once in a month) Duration: 12 months Inside IR35: Umbrella The primary purpose of the role is to ultimately assist and support the Design Manager in the delivery of project scope. This will include the likes of the following; To undertake the delivery of civil / structural engineering work packages to the required scope, quality, schedule and cost. Responsible for managing the technical aspects of the engineering packages from identification of the need, through to handover. Support the Engineering Lead with one or more technical design packages agreeing project related objectives, working alongside design Support Teams and providing appropriate technical responses. Provide advice as per discipline. Ensure that the design documentation covers the scope of operations required by the Project Manager and is produced to agreed standards, schedule, and budget. Ensuring effective Quality Management Arrangements, operate and...
IR35 Status:
Inside IR35

CV-Library Plymouth, Devon 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