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Contractor 102
Ampthill mechanical design engineer

102 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
Apr 12, 2026  
Mechanical Design Engineer
Mechanical Design Engineer 12 Month Fixed Term Contract Newmarket, Suffolk £40,000 – £50,000 + 5% Bonus + Excellent Benefits Some engineering roles are about maintaining drawings. This one is about building something that is scaling fast. Our client, a specialist engineering manufacturer, is entering a significant phase of growth. Production has ramped, facilities have been redesigned to support mass manufacture, and the mechanical design function now sits at the heart of that transition. They are now looking for a Mechanical Design Engineer to join them on a 12-month fixed-term contract. This is project-based work with genuine potential to become permanent as the business continues to expand. This role bridges new product development and production engineering. You will not be sitting in isolation, modelling parts. You will be working closely with engineers, production teams and wider stakeholders to turn prototypes into robust, manufacturable products. The opportunity...
IR35 Status:
Unknown Status

CV-Library CB8, Newmarket, Suffolk Contractor
CL
Apr 11, 2026  
Principal Mechanical Water Design Engineer
Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...
IR35 Status:
Unknown Status

CV-Library Cambridge, UK Contractor
CL
Apr 11, 2026  
Principal Mechanical Water Design Engineer
Principal Mechanical Engineer Shape the Future of Our Cities and Environments Our client is seeking an experienced and dynamic Principal Mechanical Engineer to join their Design & Advanced Technology (D&AT) team. As part of a talented, multi-disciplinary group, you will be at the forefront of delivering innovative and iconic projects within the Water market. This is an opportunity to work on cutting-edge engineering projects that have a global impact, contributing to critical UK infrastructure both domestically and internationally. This role offers you the chance to make a significant impact, playing a key role in transformational programmes while delivering industry-leading solutions throughout the project lifecycle. Location: Hybrid working available (3 days per week office/site-based) Type: Contract Rate: £68 per hour Your Role As a Principal Mechanical Engineer, your responsibilities will include: ·Leading a team of Mechanical engineers in delivering technical...
IR35 Status:
Unknown Status

CV-Library Central London, London WC2N 5DU, UK Contractor
CL
Mar 05, 2026  
Mechanical Project/Design Engineer
Mechanical Project/Design Engineer Opportunity – Leading Renewables Contractor - London MK Search are working with a market leading renewables and decarbonisation M&E contractor who are currently looking to recruit a Mechanical Project / Design Engineer to join their growing team. This is an excellent opportunity for an early-career engineer looking to develop their technical and project experience within a supportive and professional environment. The company in question have recently won a variety of new contracts across London. The Role Working alongside experienced engineers and project teams, you will assist with the design, coordination, and delivery of decarbonisation on leisure, commercial, education and residential projects. The role offers exposure to both project and design work, with opportunities to build hands-on experience across a range of mechanical systems. The Ideal Candidate We are keen to speak with candidates who have: * A degree or diploma in...
IR35 Status:
Unknown Status

CV-Library London, 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
Apr 11, 2026  
Mechanical Design Consultant
Our client, a Defence and Security supplier is looking for a Mechanical Design Engineer to join them on a contract basis at their site in Maidenhead. Due to the nature of the role, applicants must hold the sole British nationality and current SC Clearance 6-month initial contract £60 p/h Umbrella, inside IR35 Fully onsite in Maidenhead due to the nature of the role Job Description: Design, develop, test, and document mechanical assemblies through the full product lifecycle. Deliver robust mechanical solutions using company engineering tools and processes. Create and review mechanical documentation: design packs, analysis reports, plans, and procedures. Define and analyse mechanical performance and functional behaviours. Optimise designs for various manufacturing methods (machining, moulding, extrusion, sheet metal, casting). Perform tolerance analysis for precision parts and complex assemblies. Produce designs compliant with MIL‑STD, DEF‑STAN, EMC, TEMPEST, and environmental...
IR35 Status:
Inside IR35

CV-Library Maidenhead, Berkshire Contractor
CL
Apr 03, 2026  
Technical Design Engineer
We are recruiting for a Technical Design Engineer (CAD Tooling) to work with our London based client on a 6-month rolling contract. Working within the Industrial Operations department, you will be part of the Industrialization team. As a Technical Design Engineer (CAD Tooling), you will be responsible for the definition and design of new tooling and equipment to simplify the assembly of Optical/Electrical products in production whilst maintaining quality and reliability. THE SUCCESSFUL APPLICANT * Engineering degree or equivalent (mechanical, industrial, production). * Experience working on Creo CAD package. * Ability to make reliability engineering judgements under pressure. * Experience in a technical and/or manufacturing environment. * Organised, disciplined & methodical approach to problem solving. * FMEA software experience and NPI experience (beneficial) * 3D print design experience (beneficial) JOB DESCRIPTION * Work closely with SED/R&D to ensure...
IR35 Status:
Unknown Status

CV-Library SE10, Peninsula, Greater London 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
Mar 14, 2026  
Mechanical Project Engineer
Based in Kettering NN16 A leading, established and highly successful provider of mechanical and electrical installation services to commercial and industrial buildings seek the solid appointment of a skilled Mechanical Project Engineer from an M&E / Building Services electrical installation projects background. Those with M&E installations experience in commercial and or industrial environments are of serious interest as a Mechanical Project Engineer or similar. We are looking to make an immediate appointment for an important ongoing project. Candidates highly sought after are those naturally from an M&E / Building Services background, ideally with direct working experience in the project delivery of mechanical installations you would expect to find in commercial and industrial settings. Those with any hospital / healthcare buildings Mechanical services installation are highly sought after; this is not essental for the role though. You will be responsible for supporting...
IR35 Status:
Unknown Status

CV-Library Kettering, North Northamptonshire Contractor
CL
Jan 21, 2026  
Senior HVAC Design Engineer
We are working with this leading multi national data centre and mission critical specialist who are working on schemes across UK and europe. With data centres being crucial components of today's infrastructure, supporting everything from business to public services. Operators must ensure the longevity, efficiency, and sustainability of their sites while optimizing them for mission-critical tasks. The teams are at the forefront of designing innovative and energy-efficient data centres, ensuring that our clients meet their goals of performance, cost-efficiency, and sustainability. 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 part of an interdisciplinary team of architects, advisors &...
IR35 Status:
Outside IR35

CV-Library London, UK Contractor
CL
Apr 09, 2026  
Mechanical Engineer - Water
Mechanical Engineer - Water Sector 12 Month Contract | Hybrid | South East Preferred We are seeking an experienced Mechanical Engineer to join a leading engineering consultancy delivering innovative infrastructure projects within the UK water sector. You will join a multi-disciplinary design team working on complex water and wastewater projects, supporting the delivery of major UK infrastructure programmes. Key Responsibilities Lead or coordinate a team of Mechanical Engineers delivering design work on complex multi-disciplinary projects Produce and review technical deliverables including design reports, calculations, drawings and scopes of work Deliver mechanical design solutions across pumping systems and water/wastewater treatment facilities Collaborate with project management teams to meet project milestones, budgets and programmes Provide technical guidance and mentoring to junior engineers Support bid proposals and technical submissions Ensure compliance with UK...
IR35 Status:
Unknown Status

CV-Library Peterborough, Cambridgeshire Contractor
CL
Apr 11, 2026  
Senior Electrical Engineer
About the Role Our client, a leading provider of mechanical, electrical, and telecommunication solutions for major infrastructure projects, is seeking a highly capable Senior Electrical Engineer to join their growing team. This role will provide technical leadership, design management, and installation support across complex infrastructure and rail projects. While projects are regionally focused in Gwynedd/Snowdonia and wider UK infrastructure schemes, the successful candidate may be based in London, with a requirement to attend the Central London office three days per week. This is an excellent opportunity for a senior-level engineer who enjoys taking ownership across the full project lifecycle - from concept design through installation and project completion. Key Responsibilities Project Lifecycle Delivery Lead electrical engineering activities from concept and detailed design through to installation, commissioning, and handover. Oversee electrical installations, ensuring...
IR35 Status:
Unknown Status

CV-Library City of London, London Contractor
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