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Inside IR35 Ampthill mechanical design engineer

25 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 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
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
Dec 28, 2025  
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
Apr 09, 2026  
Project Lead Engineer
Our OEM Client based in Gaydon, is searching for a Project Lead Engineer to join their team, Inside IR35. This is a maternity cover contract position with a proposed end date of 12th February 2027. Umbrella Pay Rate: £33.64 per hour. Duties: This role is within the Vehicle Structures team as a Lead Engineer, reporting to the Technical Group Leader. The role will mainly focus on the delivery of HV battery enclosures, Frame, Lid, sealing and venting and bracketry. Responsibility for ensuring all in-flight programmes are being delivered to the latest technical requirements and strategy. This will include ensuring efficient integration and compatibility of the structure, to deliver the necessary attribute targets. As a Project Lead Engineer, you will be responsible for the design and development of components on a given platform during the delivery phase, with platform & project engineer responsibilities. Achieving targets for component/system cost, weight, NVH, dynamics,...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Apr 09, 2026  
Lead Engineer - Vehicle Structures
Lead Engineer - Vehicle Structures - (phone number removed) - £33.99/hr umbrella rate Are you ready to take the next step in your career and work on exciting projects within the automotive industry? This is your chance to join an innovative company that values forward-thinking individuals and offers you the opportunity to make a real impact. The role of Lead Engineer is an exceptional opportunity to work on cutting-edge projects, collaborate with talented professionals, and develop your skills in a dynamic and supportive environment. If you're passionate about engineering and driven by excellence, this is the role for you. What You Will Do: - Lead the design and development of HV battery enclosures, including frames, lids, sealing, venting, and bracketry. - Ensure all in-flight programmes meet the latest technical requirements and align with the company's strategy. - Drive efficient integration and compatibility of structural components to achieve key attribute targets. -...
IR35 Status:
Inside IR35

CV-Library Gaydon, Warwick CV35, UK Contractor
CL
Apr 11, 2026  
Senior Commissioning Engineer (Mechanical)
We are seeking an experienced Senior Commissioning Engineer with Mechanical experience to support a major defence project at a secure, highly regulated site near Reading. This is a senior role, supporting the management team; site-based role requiring a high level of technical expertise, leadership, and experience in commissioning, testing, and assurance of mechanical systems and equipment within safety-critical environments. Role: SeniorCommissioning Engineer - Mechanical Bias Location: Reading (site-based) Salary: Up to £60 Per Hour Inside IR35 (Based on year's experience) Key Responsibilities ·Lead and oversee the commissioning, testing, and validation of mechanical equipment on a complex defence project and provide technical leadership and mentorship to junior commissioning engineers and site teams. ·Develop, review, and approve commissioning strategies, test procedures, and method statements, alongside supervising functional testing, fault finding, and troubleshooting of...
IR35 Status:
Inside IR35

CV-Library Reading, UK Contractor
CL
Apr 09, 2026  
Repairs Engineer - Gas Turbines
Rullion are looking to recruit for the below role: Repairs Engineer ASAP Start Duration - Initially 6 months Rolling contract Inside IR35 £41-43 Per hour PAYE Rates Location - Warwick UK. Hybrid Full and Part Time Hours depending on flexiblility Our client an exciting opportunity within the Global Repair Network Team working closely with our 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 Description. 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 engineering in the wider...
IR35 Status:
Inside IR35

CV-Library Warwick, Warwickshire Contractor
CL
Apr 05, 2026  
Storage & Backup SME
Storage & Backup SME £550pd - £600pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes Hybrid - 3 days in office DV / SC Clearance ideally Are you a Storage & Backup SME with experience of working in a secure enterprise environment? Are you DV or SC cleared? My central government client are looking for a Storage & Backup SME to provide specialist support for enterprise storage and data protection platforms, with a focus on Veeam and physical storage technologies. The role is critical to ensuring data availability, integrity and recoverability within a secure, regulated environment. You will support backup, restore and disaster recovery capabilities, assist with platform optimisation and ensure data protection services meet operational and compliance requirements. Strong technical depth and experience supporting business‑critical systems are essential. Key Responsibilities & Expertise: * Deep experience with Veeam Backup & Replication *...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire 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 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  
Nightshift site engineer
Job Title: Nightshift site Engineer Location: Heathrow Airport Rate: £500 per shift (Inside IR35 or via Ltd Company) Shift: Night Shift Project & Department Overview Working on a major infrastructure programme at one of the world's busiest aviation hubs, this role sits within a critical asset management and compliance framework delivering essential upgrades to key tunnel infrastructure. The project requires works to be delivered within tight possession windows while maintaining full operational functionality of the airport's transport network. Purpose of the Role The Backshift Night Engineer is responsible for overseeing and delivering works during restricted night-shift possession windows. You will ensure all planned activities are executed safely, efficiently, and in line with design specifications, acting as the key link between day-shift planning and on-site night-time delivery. Key Responsibilities Technical Delivery Supervise and deliver all on-site engineering...
IR35 Status:
Inside IR35

CV-Library Hounslow, London Contractor
CL
Apr 11, 2026  
Lead Network TDA x 3
Role: Lead Network TDA x 3 Location: Remote UK Duration: 6 Months Day rate: £500 - £560 Inside IR35 Active SC Clearance required Key responsibilities: You will be responsible for the technical delivery of transformational network projects on one or more of client's large public sector accounts in the UK You will help our customer align their Network strategy to their business strategy using a common methodology You will be working with our Practice managers and Technical leads to design and deliver seamless network solutions to our customers Creating standardized or customized network designs in a range of areas and work on specific platform designs and/or customer solutions Carrying out pre-sales activities, planning and implementations across a wider range of ICT Infrastructure elements (security, wan optimization, load balancing etc.) Collaboratively work with other designers and engineers to resolve design and implementation issues and provide technical consultancy for...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 10, 2026  
Integration Engineer - Cloverleaf
Integration Engineer - Cloverleaf, HL7, FHIR Up to £700pd inside IR35 London / Primarily Remote 3 months initially My client is seeking an experienced Integration Engineer to lead the design and development of clinical system integrations across a Cloverleaf platform. You'll act as the organisation's interoperability expert, ensuring HL7, FHIR and API integrations are secure, reliable, and support seamless clinical operations. Key Requirements: Proven experience as an Integration Engineer Strong expertise with HL7, FHIR, and API‑based healthcare integrations. Hands‑on experience with Infor Cloverleaf, including TCL scripting, routes, translators, and message mapping. Proven ability to troubleshoot complex production interfaces and ensure data integrity. Strong communication skills, able to translate complex technical concepts for varied audiences. Experience working within agile, cross‑functional technology teams. Excellent documentation skills and a structured, logical...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Apr 10, 2026  
Celonis Data Engineer
Contract Opportunity: Data Engineer – Celonis Process Mining 📍 Location: Central London (Office Based) 📅 Start Date: ASAP 📄 Contract Length: 6 Months Initially 💷 Day Rate: TBC — expected around £500/day (Inside IR35) About the Role Our client is seeking a highly skilled Data Engineer with strong Celonis process mining expertise to join a leading financial services organisation. This role plays a pivotal part in enabling enterprise-wide process intelligence by transforming complex banking data into accurate, analysis‑ready insights. Working within a regulated banking environment, you will design and deliver high‑quality event logs, build robust data pipelines, and optimise Celonis data models to support end‑to‑end visibility and drive operational improvement. Key Responsibilities 1. Data Engineering & Event Log Construction * Design, build, and maintain scalable event‑log pipelines for Celonis process mining. * Translate raw process event data (case IDs,...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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