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Contractor 20
Ampthill mechanical design engineer

20 mechanical design engineer jobs found in Ampthill

CL
Apr 11, 2026  
Mechanical Design Engineer
Mechanical Design Engineer - Contract (12 Months) | Bedfordshire | Inside IR35 Looking to take on complex engineering challenges that genuinely push your technical capability? We're seeking experienced Mechanical Design Engineers to join a high integrity defence engineering programme focused on advanced platform integration and mission-critical systems. This is an opportunity to work on cutting-edge mechanical sub-systems, complex mechanisms, and high reliability components designed for demanding military environments. Location Bedfordshire On-site presence required Mondays and Tuesdays from September 2025 Contract Details Duration: 12 months Hours: 37.5 per week Schedule: 4-day week (Mon-Thurs) with flexible working Rate: Competitive per hour (inside IR35, inclusive of employer deductions) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview As a Mechanical Design Engineer, you'll be responsible for...
IR35 Status:
Inside IR35

CV-Library Bedfordshire, UK Contractor
CL
Apr 02, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) 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.  Other CAD Package skills are also fine.         Job Title:  Mechanical Design Engineer Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. 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 work closely with other functional...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Mechanical Design Engineer (Military Packaging Design)
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer (Military Packaging Design) 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: Hybrid, 2-3 days min on site. Although this can change due to workload. Can be continually reviewed. 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 - Military Packaging Design 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 18, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation based in Stevenage is currently looking to recruit 3x Mechanical Systems Engineers / Architects on an initial 12 month contract.  The role will be hybrid of being split between working from home and onsite.    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.    A background or knowledge of Systems Engineering and Supplier Management would be beneficial. Contract Duration: 12 Months initially and then ongoing and long-term thereafter. Hourly Rate: £65.00ph   Mechanical Systems Engineer / Architect Job Description:   We have an opportunity for an experienced Mechanical Architect to join the team. This exciting role is to gather and manage the missile mechanical architecture requirements to...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 19, 2026  
Graduate Engineer (Automotive)
My customer has worked with one of the UK's largest automotive manufacturers over the last 10 years, providing a full engine air path diagnostic calibration to all of the OEM's diesel and diesel hybrid vehicle programs, meeting EU and EPA regulations. We have in recent years expanded our client base working with other prestigious OEM's covering gasoline projects and full OBD systems. ​The development of in-house programmes allows them to provide services ranging from software design meeting current standards, to post-processing data in order to assess calibration change impact or to identify events of interest from hours of logged data. They specialise in systems engineering, system integration, diagnostics, control systems, data processing and testing, providing a range of services from advice through to fully-managed turn-key projects. This position is for a calibration engineer with a focus on OBD test. It could be suitable for a graduate with an interest in this topic area...
IR35 Status:
Unknown Status

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Mar 04, 2026  
RF Designer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an RF Design Engineer subcontractor on an initial 12 month contract.    This role would suit a candidate who comes from a strong background working as an RF Designer, Microwave Design Engineer or RF Systems Engineer.  Any previous experience of Advanced Design System (ADS) or Cadence would be great. Hourly Rate: £75ph (Umbrella) Contract Duration: 12 Months (initially and then ongoing and long-term thereafter) RF Design Engineer Job Description: The successful candidate will be the designer for specific RF electronics designs. Interfaces to various stakeholders, such as the Datalink core team, Design Authority and other functional entities will need to be managed effectively to ensure the designs are delivered in a timely manner and will integrate to the other parts of the system Responsibilities: The role is substantially technical and hand on testing and proving is essential....
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 04, 2026  
Principal Structural Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Structural Engineer subcontractor on an initial 12 month contract, with very likely extension.  The role will be onsite 4 days per week.     Candidates with a FE / FEA background ( Structural Engineer / Structural Analysis / Stress Engineer ) ideally from the Defence / Aerospace industry would be suitable for this position. Rate: £50.00 per hour 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 be onsite 4 days per week.  a 4-Day week of Monday to Thursday is possible. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Principal Structural Engineer Job Description: The Mechanical Analysis Group are looking for a Principal...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Feb 06, 2026  
Embedded Software V&V Engineer
World Class Defence Organisation is currently looking to recruit 5x Embedded Software V&V Engineer subcontractors on an initial 6 month contract.  Skills in C, C++ or ADA are beneficial.  A defence or aerospace industry background would also be great.   Rate: £70.00 per hour Location: Stevenage or Bristol, depending on your preference. Hybrid / Remote working: Full time on site (occasional work from home day) (The company are happy with a 4 day week) 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) Interview process: 1 stage video interview   Embedded Software V&V Engineer Job Description:   The department create the complex, highly reliable real-time software that powers missile systems and their components, ensuring that they provide the performance and functionality our users require when they...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 21, 2026  
High Speed Digital Design Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a High Speed Digital Design Engineer subcontractor.   Rate: £58.00 - £80 per hour 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 can be a mix of onsite and remote working Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Job Description: As part of a large team of analogue and digital electronics design engineers, you will be responsible for the electronics design and development of high speed MPSoC FPGA and AI hardware solutions targeting SDR, radar signal processing and sensor fusion applications. As Digital Design Engineer you will support the Technical Lead/Architect in collaboration with the systems, software, firmware, mechanical and...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 22, 2026  
Building Services Engineer
Building Services Engineer Portsmouth / Stevenage 12 Month Contract £29.89 Per Hour PAYE/ Up To £40 Per Hour Umbrella Role Overview We are seeking an experienced and meticulous Building Services and Fabric Clerk of Works to join our dynamic team. This pivotal role involves overseeing and inspecting building services installations (Mechanical, Electrical, and Fabric) on our projects to ensure they meet the highest standards of quality, compliance, and design specifications. You will act as the department's eyes and ears on site, ensuring quality is built into every aspect of the projects under our responsibility.   Key Responsibilities Conduct rigorous inspections of HVAC, plumbing, electrical, fire systems, and structural fabric to ensure full compliance with statutory regulations and design briefs. Proactively identify and document non-conformances. Collaborate with Project Managers to ensure swift and effective resolution of all site issues. Maintain high-standard site...
IR35 Status:
Unknown Status

CV-Library Hertfordshire, UK Contractor
CL
Apr 10, 2026  
Senior Development Control Engineer
Senior Development Control Engineer We are currently recruiting for an experienced Highways Engineer to join a Council in the Home Counties in delivering high-quality highway and transport infrastructure projects. You must have experience to be considered for this position. Key Responsibilities: ·Develop technical solutions, manage design and construction stages, and ensure projects meet statutory requirements, Council standards, and safety regulations. ·Review and approve designs under Sections 38 and 278. ·Coordinate across engineering disciplines, ensuring seamless project delivery. ·Oversee consultants and junior staff, providing guidance and supervision. ·Ensure compliance with DMRB, Manual for Streets, TSRGD, and other relevant standards. ·Liaise with stakeholders to resolve issues and maintain project progress. ·Monitor project performance, risks, and compliance throughout delivery. Requirements: ·Proven experience in UK highway design and maintenance. ·Strong...
IR35 Status:
Unknown Status

CV-Library Milton Keynes, UK Contractor
CL
Mar 13, 2026  
Senior Configuration Engineer
Senior Configuration Engineer Stevenage (Sector: Defence & Aerospace) Contract Type: 12 Month Contract   The Opportunity We are seeking a Senior Configuration Engineer to join our world-class team of over 30 specialists. In this role, you will be the guardian of product definition, ensuring the technical integrity of life-critical systems across multiple international projects.   The Role Supporting the Project Configuration Manager, you will take ownership of the design structure for major product sections. You will act as the bridge between engineering innovation and controlled execution, managing complex product variants through every stage of the lifecycle—from development and production to in-service support.   Key Responsibilities: Manage and reflect engineering input into the design structure using our PLM tool, Windchill. Lead the engineering change process, reviewing, accepting, or rejecting changes to ensure business approbation controls are strictly met. Maintain...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Mar 12, 2026  
C# / C++ Software Engineer
World Class Defence Organisation is currently looking to recruit 5x C# / C++ Software Engineer subcontractors on an initial 12 month contract.  Desktop C# is the expertise the department are looking for; with some experience with C++ but doesn’t need to be overly extensive. Job Title: C# / C++ Software Engineer Rate: £65.00 per hour Overtime Rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’ Location: Stevenage or Bristol (depending on your preference) Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella) C# / C++ Software Engineer Job Description: WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.   The team integrate real products, models...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 05, 2026  
Technical Author
World Class Defence Organisation is currently looking to recruit a Technical Author subcontractor on an initial 12 month contract.  The role will be predominately working remotely from home.   Rate: £43.00 per hour 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 be 2 or 4 days per month in the office and the rest remote.  (some flexibility on this may be needed). Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: 2 Stage interview process. Initial Virtual or onsite – 2hrs. Author Test & meet the team - onsite for successful candidates.   Technical Author Job Description: To write technical documentation in Standard Generalised Mark-up Language (SGML), Extensible Mark-up Language (XML) and traditional formats for the Company's products in accordance with...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jan 22, 2026  
Systems Engineer
World Class Defence Organisation based in Stevenage and Bristol is currently looking to recruit a Systems Engineer subcontractor on an initial 6 month contract.  The department are looking for Systems Engineers ideally from the defence / aerospace background.  Previous experience of DOORS is required. Hourly Rate: £70.00ph (Umbrella).  Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Bristol or Stevenage (depending on your preference) Hybrid / Remote working: The role will likely be onsite 2-3 days per week (this could reduce once up to speed in the role). A 4 day working week is OK (Monday to Thursday).  Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage video interview   Airborne Launcher Functional Systems Engineer Job Description: Analyse high level design documentation to elaborate and capture...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Apr 10, 2026  
Hardware Engineer
DCS Control, Server & Telecoms Panel Design Engineer • Assist with the hardware scope of project quotations. • Review project proposals and customer specifications, to ensure the agreed hardware design is achieved.  • Liaise with the customer & our internal project team, to ensure a projects delivery milestones are met. • Purchase the necessary equipment required on a project • Produce hardware design documentation, to allow our Assembly department to manufacture the cabinet / panel, to a projects required specifications (General arrangement / detailed layout drawings, electrical diagrams, equipment / wiring schedules, power & heat calculations etc.). • Make use of existing hardware designs where possible, to streamline the design process. • Maintain hardware design documentation, during a projects lifecycle. Track changes, update as required and ensure all departments have the latest copies. • Liaise with the Panel Build technicians / Inspection...
IR35 Status:
Unknown Status

CV-Library St Neots, St. Neots PE19, UK Contractor
CL
Apr 08, 2026  
Senior Preconstruction Project Engineer
Senior Preconstruction Project Engineer – Infrastructure Projects Location: Hertfordshire Rate: £450 - £500 per day (Outside IR35 considered) Duration: 12 months Start: ASAP A major infrastructure contractor is seeking a Senior Preconstruction Project Engineer to support the development and mobilisation of complex water and wastewater projects. This role focuses on the critical pre-construction and design phases of project delivery, ensuring schemes are properly planned, technically coordinated and commercially positioned before construction begins. The successful candidate will work closely with pre-construction teams, designers, planners and procurement specialists to develop robust target costs, risk registers and delivery strategies while ensuring design solutions are aligned with programme and buildability requirements. The Senior Preconstruction Project Engineer will play a key role in coordinating operational input during the early stages of project development....
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 08, 2026  
Preconstruction Project Engineer
Preconstruction Project Engineer Location: Hertfordshire Rate: £350 - £400 (Outside IR35 considered) Duration: 12 months Start: ASAP We are seeking a Preconstruction Project Engineer to support the development and mobilisation of water and wastewater infrastructure projects within a large capital delivery programme. This role sits within the pre-construction and engineering team and focuses on ensuring projects are technically coordinated and properly planned before construction begins. The successful candidate will contribute to the early stages of project development by supporting the preparation of target costs, risk registers and delivery strategies, ensuring projects are set up for successful execution once they progress to site. Working closely with design partners, procurement teams and operational delivery teams, you will review engineering deliverables to ensure they comply with contractual, regulatory and technical requirements. You will help coordinate the...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
CL
Apr 08, 2026  
Design Coordinator
Design Coordinator – Infrastructure Projects Location: Hertfordshire Rate: £300 - £380 (Outside IR35 considered) Duration: 12 months Start: ASAP We are seeking an experienced Design Coordinator to support the delivery of civil and MEICA projects within a large capital programme. This role sits within the engineering and design management team and focuses on ensuring projects are technically coordinated and fully developed prior to construction. The successful candidate will play an important role during the pre-construction and detailed design phases, helping to ensure design deliverables, procurement requirements and delivery planning are aligned before work begins on site. Working closely with design partners, procurement teams and project delivery teams, you will review design outputs to ensure they comply with contractual, regulatory and technical requirements. You will also support the development of robust delivery plans by coordinating surveys, testing and inspections...
IR35 Status:
Outside IR35

CV-Library Hertfordshire, UK Contractor
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