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Contractor 128
Inside IR35 Berkhamsted

128 jobs found in Berkhamsted

CL
Apr 04, 2026  
Senior Product Engineer
Senior Product Engineer Belcan seeks an experienced Senior Product Engineer for a 12-month Inside IR35 contract in Pitstone. The role involves leading engineering work packages for the development, validation, and industrialisation of smart motor and power generation technologies. Key Responsibilities Lead and mentor multidisciplinary engineering teams to deliver robust, manufacturable solutions aligned with cost and weight targets. Oversee and approve design solutions; support design reviews per client governance and product introduction processes. Produce high-quality technical documentation, including CAD models, drawings, BOMs, and assurance reports. Drive risk management and continuous improvement through design investigations, root cause analysis, and lessons learned. Author, review, and approve technical documentation for engineering and through-life support. Provide training, mentoring, and leadership to engineering personnel. Deliver fit-for-purpose designs with a...
IR35 Status:
Inside IR35

CV-Library Tring, Hertfordshire Contractor
CL
Mar 05, 2026  
Programme Planner
We are currently looking for a Programme Planner for a company in Buckinghamshire on a contract basis. Please see the details below. Overview We are seeking an experienced Programme Planner / Programme Controls professional to support complex engineering programmes within a fast-paced, high-tempo environment in a Defence company. This is a dynamic contract role requiring strong autonomy, senior stakeholder engagement, and hands-on delivery across planning, controls, and reporting. Key Responsibilities * Own and manage programme schedules using Primavera P6, ensuring accuracy, robustness, and alignment with delivery objectives * Maintain and manage the Integrated Management System (IMS) across complex engineering programmes * Potentially run daily stand-ups and planning meetings with VP-level stakeholders * Provide clear, concise programme reporting to senior leadership * Support customer-facing activities where required * Identify risks, dependencies, and critical path...
IR35 Status:
Inside IR35

CV-Library High Wycombe, Buckinghamshire Contractor
CL
Apr 03, 2026  
Senior Manager, Medical Operations - Cell Therapy
Your new company My client, a biotechnology company that develops cancer immunotherapy products with a primary focus on genetically engineered autologous CAR T cell therapy, has an opportunity for a Senior Manager, Medical Operations & Governance to join their team on a contract basis until the end of the year. Inside IR35 PAYE: £386.96 - £503.05 p/d Umbrella: £446.43 - £580.36 p/d Onsite 3 days per week, Uxbridge Your new role This is a high-visibility opportunity to shape Medical Affairs operational excellence within a cutting-edge cell therapy organisation, driving grants governance, patient engagement capability, and strategic operations across global regions.You will lead the end-to-end Medical Grants process while supporting broader Medical Affairs operations. Partnering closely with medical leadership and cross-functional stakeholders to ensure compliant, efficient, and high-quality execution of medical grants, governance activities, and operational initiatives....
IR35 Status:
Inside IR35

CV-Library Uxbridge, London Contractor
CL
Apr 03, 2026  
Electronics Engineer
Our client, is currently seeking an Electronics Engineer to contribute to their dynamic research, development, and production programs. This contract position, falling inside IR35, involves the design and development of both digital and analogue electronics for multiple projects. Key Responsibilities: Design and develop high-speed digital circuits including processors and programmable devices. Design analogue circuits and switched-mode power supplies. Utilise schematic capture tools and enforce layout constraints using rules, classes, and groups. Develop large, complex designs requiring multi-layer PCBs and PCB stack-up design. Create and edit schematics using Altium software. Deliver multiple, concurrent programmes ranging from research to production. Job Requirements: Degree in an engineering, mathematical, or science-based subject or equivalent experience. Proficient in high-speed digital design. Experience in analogue circuit and switched-mode power supply design....
IR35 Status:
Inside IR35

CV-Library Maidenhead, Berkshire Contractor
CL
Apr 04, 2026  
Systems Engineer
We're looking for talented Systems Engineers to support a major defence engineering programme focused on complex, software intensive systems and advanced platform integration. If you thrive in high integrity environments and enjoy solving multi-faceted technical challenges, this contract offers a compelling opportunity. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays Contract Details Duration: 12 months Hours: 37.5 per week Working Pattern: 4?day week (Mon-Thurs) with flexible arrangements Rate: Competitive per hour (Inside IR35) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview You'll join a growing engineering function supporting multiple business areas, including platform systems and special projects. These roles are driven by increased demand across complex system integration activities, including work on next generation turreted systems and other mission critical...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 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 Ampthill, 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...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 2026  
Systems Engineer
We're looking for talented Systems Engineers to support a major defence engineering programme focused on complex, software intensive systems and advanced platform integration. If you thrive in high integrity environments and enjoy solving multi-faceted technical challenges, this contract offers a compelling opportunity. Location Ampthill, Bedfordshire On-site presence required Mondays and Tuesdays Contract Details Duration: 12 months Hours: 37.5 per week Working Pattern: 4?day week (Mon-Thurs) with flexible arrangements Rate: Competitive per hour (Inside IR35) Clearance: BPSS to start; SC required later Eligibility: Sole UK nationals only (due to programme requirements) Role Overview You'll join a growing engineering function supporting multiple business areas, including platform systems and special projects. These roles are driven by increased demand across complex system integration activities, including work on next generation turreted systems and other mission critical...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 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 Ampthill, 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...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 04, 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 Ampthill, 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...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 02, 2026  
Systems Engineer
Systems Engineer 12 month contract Based in Ampthill Offering between £66-£77ph Inside IR35 Do you have experience with MATLAB/Simulink? Do you have experience across the full systems lifecycle? 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 Systems 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: Supplementing the Engineering Team across various Business Areas of the company Your skillset may include: Experience of systems engineering lifecycle Experience in modelling and simulation (MATLAB/Simulink) Experience in the Verification and Validation lifecycle Development of Verification & Acceptance (V&A) statements Knowledge of...
IR35 Status:
Inside IR35

CV-Library Ampthill, Bedfordshire Contractor
CL
Apr 05, 2026  
Head of Oracle Cloud Applications - Fusion
Head of Oracle Cloud Applications Pay £700 up to £750 per day - Inside Ir35 - paid via an umbrella Stevenage in Hertfordshire - as required (once a week the norm). Start 23rd of March - initial six month contract British citizen or ILR (Indefinite leave to remain). Role Purpose The Head of Oracle Cloud Applications is responsible for the delivery, management, and optimisation of all Oracle Fusion (SaaS), PaaS and EPM applications across 32 businesses (this is end client). This role leads the Oracle Applications team, oversees the outsourced support providers and service performance, and ensures our Oracle platforms remain secure, reliable and aligned to business needs. Extensive experience supporting Oracle Cloud Applications (HR, Payroll, Financials, Procurement, Projects, Inventory, PBCS, ARCS, PaaS). Strong knowledge of Oracle Fusion Cloud hosted solutions. Experience of working in an ITILv4 compliant organisation. Key Responsibilities: Service Delivery Management...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Apr 04, 2026  
Electronics Design Engineer
Our client, an Aerospace and Defence supplier is looking for an Electronics Design Engineer to join them on a contract basis at their site in Stevenage. Due to the nature of the role, applicants must hold the sole British nationality and be eligible to obtain SC Clearance before starting. 12 month initial contract. Based in Stevenage with hybrid working, minimum 2 days per week onsite. £58 p/h Umbrella, inside IR35.Responsibilities: You will be responsible for developing cutting-edge electronic solutions for weapon systems. This will include on board missile sub-systems and Land, Sea and Air based Firing Units. Your role will entail responsibility for the quality and performance of the electronic solution together with providing cost and schedule updates to a project manager. You will have a sound track record in electronic design capability throughout the product life cycle, i.e. early concept through to production. The technical solutions you will implement will range across...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire 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 25, 2026  
Senior Electronics Engineering Project Manager
World Class Defence Organisation is currently looking to recruit 2x Senior Electronics Engineering Project Manager subcontractors on an initial 12 month contract.  The role will be a hybrid of working from home and being onsite 2 days per week (flexibility on this).    Please Note – this role requires a very strong Electronics background or a background of working on electronic focused/biased projects.  The position will be managing detailed design of electronics product / engineering development   Job Title: Senior Electronics Engineering Project Manager Number of positions: 2 Rate: £60.00 per hour Location: Stevenage, Bolton or Bristol – depending on your preference Hybrid / Remote working: 2 days per week onsite (flexibility on this) Contract: 37 Hours per week Duration: 12 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Senior Electronics Engineering Project Manager Job Description: We are Electronics Engineering. We are...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Mar 18, 2026  
Workforce Planning and EVP Advisor
World Class Defence Organisation is currently looking to recruit a Workforce Planning and EVP Advisor subcontractor on an initial 12 month contract. Rate: £36.28 per hour Location: Stevenage Hybrid / Remote working: 2-3 days per week onsite 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) Workforce Planning and EVP Advisor Job Description: FCAS (Future Combat Air System) is one of the largest, most exciting, and challenging programmes within Defence – to design and deliver a Future Combat Air Programme for the RAF in record time. The key cornerstone of FCAS is the Global Combat Air Programme (GCAP), which sees the UK working with our international partners Italy and Japan.  FCAS and GCAP combined present a unique opportunity to influence the design of the platform and wider system to reflect a new...
IR35 Status:
Inside IR35

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
Mar 08, 2026  
Supply Chain Manager
World Class Defence Organisation is currently looking to recruit a Supply Chain Manager subcontractor on an initial 6 month contract.    Rate: £50.00 per hour Location: Stevenage or Bolton, depending on your preference. Hybrid / Remote working: 2 days onsite per 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) Supply Chain Manager Job Description: An opportunity has arisen for a Supply Chain Manager to join ISP in the Equipment's team. The successful candidate will bring their experience and knowledge to ensure effective Supplier performance, capability & Risk management. As a team, we work across all programmes in a changing environment, managing and implementing both mature and new technologies. Responsibilities /Skillset/experience required Internal and external assessment skills/knowledge;...
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
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
Mar 04, 2026  
Purchasing / Procurement Officer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Purchasing / Procurement Officer.   The role does require a Procurement background and understanding of SAP.    Rate: £27.00 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 1 or 2 days a week in the office and the rest remote 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   Purchasing / Procurement Officer Job Description:   Focal point for working with the CSS Spares and Repairs Team in the organisation and the management of customer repairs and spares procurement based upon the requests made by internal project teams. Supplier assessment, adherence to open order books, supplier communications to ensure on time deliveries,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
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