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Contractor 231
Inside IR35 Hitchin

231 jobs found in Hitchin

CL
Aug 15, 2026  
Manufacturing Engineer
World Class Defence Organisation based in Stevenage is currently looking to recruit a Manufacturing Engineer. The department are looking for candidates with skills in the following: Verification & validation, design modifications, commissioning, FMEAs, configuration control, sub-assembly manufacturing.   Rate: £35.00 per hour Location: Stevenage 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,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 15, 2026  
Component Engineer
On behalf of our client, we are seeking to recruit a Component Engineer on an initial 6-month contract. The Component Engineer will be part of a multi-disciplined team completing administration activities, technical advisement, making requests to suppliers and responding to internal queries. You will ensure we deliver a comprehensive component service offering technical advice and ensuring accuracy of data. Role: Component Engineer Pay: Up to £50.00 per hour Via Umbrella Location: Stevenage or Bolton Contract: Monday- Friday, 37 Hours per week, 6 Months contract IR35 Status: Inside Security Clearance: SC Required to start, UK Eyes only Responsibilities Processing and responding to support queries Processing component data (based on Life cycle status, Export Control and REACH/RoHS compliance) Working within departmental processes completing administration tasks Support for Electronic, Electrical, Mechanical or Material commodities Support continuous improvement activities...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 14, 2026  
Manufacturing Engineer - Assembly and Integration
On behalf of our client, we are seeking to recruit a Manufacturing Assembly & Integration Engineer Lead on an initial 12-month contract basis. As the Manufacturing Assembly & Integration Engineer 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. Role: Manufacturing Assembly & Integration Engineer Pay: £32 - £35 per hour Umbrella rate Location: Stevenage - fully onsite Contract: Monday to Friday, 37 hours per week, 12 months IR35 Status: Inside SC Clearance: SC however can start on BPSS Responsibilities: Compilation and update of Manufacturing Instructions. Design, Commissioning and proving of associated tooling. Support the industrial validation process using FMEA's, FAI's etc. Resolution of technical problems that may arise during the manufacturing process. Route card changes as a result or rework...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 14, 2026  
Systems Design Engineer ( System Performance )
World Class Defence Organisation is currently looking to recruit a Systems Design Engineer (System Performance) on an initial 6 month contract.    Candidates from a background of working as a Systems Design Engineer OR Simulation and Modelling Engineer OR Algorithm Engineer with experience of Matlab / Simulink would be great.   Rate: £75.00 per hour Location: Stevenage Hybrid / Remote working: 4 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: 6 Months (initially and then ongoing and long-term thereafter) IR35 status: Inside IR35 (Umbrella)   Job Description: As one of two System Design Functions in Missile Architecture and Validation UK, System Design Missiles (SDM) is focused on providing Systems Engineering skills to Missile Systems programmes. As such we provide systems engineering skills to the project teams to establish requirements, system architectures and to guide the...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 14, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer 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: 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: 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 13, 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
Aug 13, 2026  
Mechanical Design Engineer
Mechanical Design Engineer Location: Stevenage - 4 days/week onsite minimum (likely flexible week to week) + 1 day remote Duration: 12 months Rate: £50/hour Umbrella IR35: Inside Clearance: SC + BPSS to start (UK Eyes Only) Overview 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 perform a range of engineering activities including progressing developmental designs into production environments and working with suppliers on technical queries. Responsibilities: 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 to functional & environmental testing and trials. Liaise with suppliers/purchasing to resolve any technical queries that may arise....
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Aug 13, 2026  
Commercial Manager
World Class Defence Organisation is currently looking to recruit a Commercial Manager on an initial 12 month contract.  The role will be a hybrid position of 2-3 days per week onsite.   Rate: £80.00 per hour Location: Stevenage Hybrid / Remote working: 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)   Job Description: To operate within an active, involved and motivated commercial team, in a sector committed to delivering Defence Capability to the UK Armed Forces and other World Governments, covering all aspects of the product lifecycle from concept to disposal. Responsibilities: Business Strategy - maximising identified business opportunities. • Business Winning - Being a key player in the winning of new work. Responsible for the full Route to Contract, including being the...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Aug 14, 2026  
Principal Firmware Engineer
Principal Firmware Engineer Luton 12-month contract Paying up to £85p/h (Inside IR35) Please Note - Due to the nature of the work you?ll be required to be eligible to obtain a high level of UK Security Clearance Responsibilities: Design tools such as Xilinx, TCL, Verilog, System Verilog and UVM FPGA architectures such as Xilinx 7. Xilinx UltraScale; Intel (Altera) or Microsemi (Actel). Fast interfaces such as PCIe, Ethernet, and JESD is also required. Auto-generated code using model driven engineering using MATLAB and Simulink tools Derivation of detailed Firmware requirements and architecture from system requirements A structured approach to firmware design (RTCA DO-254 or similar) Artificial Intelligence including machine learning and genetic algorithms Electronics test methods and equipment Experience required: HNC/HND or Undergraduate Degree (Electronic Engineering, Computer Science, AI, Games Programming, Physics, or Applied Physics) or you may just have lots of...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Aug 13, 2026  
Senior/ Managing Quantity Surveyor x2 - Waltham Cross & Taunton
Managing Quantity Surveyor / Senior Quantity Surveyor (Contract) Locations: Waltham Cross, Hertfordshire or Taunton, Somerset Rate: £500+ per day (Inside IR35) Sector: Utilities | Energy Infrastructure | Power Transmission Contract: Long-term About the Opportunity We are currently recruiting for experienced Managing Quantity Surveyors and Senior Quantity Surveyors to support the delivery of major National Grid infrastructure projects. Working for a leading infrastructure contractor, you'll play a key role in the commercial management of significant power transmission schemes, ensuring strong commercial governance, effective risk management and successful project delivery. Key Responsibilities Commercial management of major infrastructure projects NEC3/NEC4 contract administration Cost control, forecasting and financial reporting Cost Value Reconciliation (CVR) Compensation Events, Variations and Claims Subcontract procurement and management Final Accounts Commercial risk...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Aug 13, 2026  
Commercial Manager
Commercial Manager Hertfordshire, 12 Month Contract £ - Inside IR35   We are seeking a proactive, analytical, and relationship-driven Commercial Manager to join our dynamic commercial team. Covering the full product lifecycle—from initial concept and bidding through to in-service delivery and disposal—you will act as the commercial focal point for major defense programmes.   Key Responsibilities Drive the full Route to Contract during bidding phases. Coordinate multi-functional teams to deliver accurate cost proposals, negotiate terms, and secure new business while protecting profitability. Oversee day-to-day contractual compliance, managing amendments, risk profiles, and delivery obligations to ensure we meet every promise made to our customers. Establish and maintain collaborative, long-term relationships with key customers, international partners, and major stakeholders. Serve as the primary point of contact for contractual queries, working closely with legal counsel to manage...
IR35 Status:
Inside IR35

CV-Library Hertfordshire, UK Contractor
CL
Aug 09, 2026  
Data & AI Delivery Lead
Contract Opportunity - Data & AI Delivery Lead We're currently looking for a Data &AI Delivery Lead to join an exciting project with immediate effect. Role: D&AI Delivery Lead Rate: £522 per day inside IR35 Start Date: ASAP Duration: 3 months (very likely to extend to 6 months) Allocation: Full-time Location: Dunstable 2 days per week onsite required Key Requirement: We're seeking someone with strong Data & AI (D&AI) expertise to lead delivery on a key project. Further project details will be shared as they are finalised
IR35 Status:
Inside IR35

CV-Library Dunstable, Bedfordshire Contractor
CL
Aug 15, 2026  
Electronic Technician
Electronics Technician | Hertfordshire | Contract (Inside IR35) with possibility to go permanent We are looking to hire a skilled Electronics Technician with strong experience and enthusiasm for product development to join an expanding technical R & D team. The role offers the opportunity to collaborate with a group of experienced professionals on a wide variety of innovative and technically demanding projects. These include consumer-facing products and mission-critical devices. The position provides a chance to contribute to meaningful work with real-world impact. Key Skills and Experience: +A practical, hands-on technician with strong soldering ability, including experience working with very fine components and carrying out manual rework on printed circuit boards. +Experience operating within a development-focused environment rather than production, building prototype circuits, implementing design changes, and working from high-level or informal specifications. +Strong...
IR35 Status:
Inside IR35

CV-Library Ware, Hertfordshire Contractor
CL
Aug 12, 2026  
Digital Tools Lead
Are you experienced in managing digital engineering tools and CAD environments on major rail infrastructure projects? Do you have a strong understanding of engineering design software, digital collaboration platforms, and information management across multidisciplinary rail teams? Digital Tools Lead Location: London (Hybrid) Rate: Inside IR35 Sector: Rail / HS2 Rail Systems This is an excellent opportunity to join a major HS2 Rail Systems programme, leading the mobilisation, optimisation, and support of digital engineering tools used across complex design and delivery packages. You'll be responsible for: ·Leading the mobilisation and continuous improvement of digital engineering tools across the programme. ·Supporting and administering engineering design environments, including Bentley and Autodesk platforms. ·Managing collaboration through Microsoft 365, SharePoint and Microsoft Teams. ·Supporting ProjectWise and Common Data Environment (CDE) workflows. ·Working with...
IR35 Status:
Inside IR35

CV-Library London Colney, St Albans, UK Contractor
CL
Aug 15, 2026  
Quantity Surveyor
Role: Quantity Surveyor Rate: Circa £450/Day (Inside IR35) (Negotiable DOE) Location: Waltham Cross (Minimum 3 days per week on site) Length of Contract: Initial 6 months Want to work on a major overhead line project delivering critical UK power infrastructure? Our client is looking for two experienced Quantity Surveyors to join their commercial team on a high-profile Overhead Line (OHL) project based in Waltham Cross. This is an excellent opportunity to support the commercial delivery of a nationally significant energy infrastructure scheme while working alongside an experienced project team. Job Role As a Quantity Surveyor, you will support the commercial management of the project, ensuring costs are effectively controlled and contractual obligations are met throughout the project lifecycle. Working closely with Project Managers and the wider commercial team, you'll prepare commercial reports, manage subcontractor accounts, administer compensation events, monitor project...
IR35 Status:
Inside IR35

CV-Library Waltham Cross, UK Contractor
CL
Aug 13, 2026  
Paint Sprayer
Job Description: Paint Sprayer on Rolling Stock Vehicles Position: Paint Sprayer Location: Milton Keynes Rate: £28.54 per hour on Earlies/Afters or £32.58 per hour on Nights (Role is Inside IR35)  Hours: Earlies: 06:00-16:00 / Afters: 12:00-22:00 / Nights: 22:00-06:00 Summary: A Paint Sprayer is responsible for applying paint and other finishes to vehicles, Vehicle components, machinery, equipment, and various surfaces using spray guns. This role involves ensuring a high-quality finish, maintaining equipment, and adhering to safety protocols. Key Responsibilities: - Surface Preparation: - Cleaning, sanding, and masking surfaces prior to painting. - Ensuring surfaces are properly primed and free of defects before application. Painting and Finishing: - Mixing paints to achieve desired colours and consistencies. - Applying paint, varnish, or other finishes using spray guns or other applicators. - Achieving uniform coverage and thickness according to...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, UK Contractor
CL
Aug 12, 2026  
ICT Security Analyst
ICT Security Analyst Daily rate: £19.32 per hour PAYE inside IR35 Location: Milton Keynes Civic Offices Contract: 3 months Working hours: 37 per week, office based Purpose of the Role: Opus People Solutions are recruiting on behalf of Milton Keynes Council for an ICT Security Analyst to join our ICT service at Milton Keynes City Council. The ICT Security team protects the council's systems, data and digital services so the council can continue to operate securely and reliably for the people of Milton Keynes. The team sets and maintains security policies, standards and guidance, manages cyber risk, and works across council services to make sure security is built into day-to-day operations, projects and technology change. The team monitors for threats and weaknesses, investigates incidents, leads response and recovery when issues arise, and helps strengthen resilience through planning, training, awareness and continual improvement. It also supports compliance with recognised...
IR35 Status:
Inside IR35

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
Aug 14, 2026  
Head of Facilities Management & Compliance
Ref: HAR-(phone number removed) Location: Harrow (HA3) Hours: Monday to Friday 9am-5.15pm (36hrs per week) Pay: £57.03ph paid weekly via umbrella (inside IR35) Duration: Ongoing Contract – Long Term    Duties To act as the Clients lead officer for Statutory Building Compliance, ensuring all corporate, school, and community assets meet health and safety, fire, and water hygiene regulations. To lead the strategic and operational delivery of Facilities Management (FM) services, overseeing a large multi-disciplinary team comprising both technical Hard FM and frontline Soft FM services. To provide professional leadership for a hybrid delivery model, managing high-value external contracts alongside significant self-delivered services including Cleaning, Security, and Catering. To serve as the primary technical interface for property-related services commissioned by the AD Property & Asset Strategy, ensuring FM delivery aligns with the broader Asset Management...
IR35 Status:
Inside IR35

CV-Library Harrow, UK Contractor
CL
Aug 09, 2026  
Interim TRAC Accountant
Interim TRAC Accountant (Higher Education) £450–£500 per day (Inside IR35) 2 days per week onsite – Monday & Wednesday We are recruiting for an experienced Interim TRAC Accountant to support a leading Higher Education institution with the end-to-end delivery of its annual Transparent Approach to Costing (TRAC) return. This is an excellent opportunity for a finance professional with a strong university finance background who can take ownership of the TRAC process while working closely with Finance, Planning, Research, and academic stakeholders. Key Responsibilities * Own the end-to-end delivery of the annual TRAC return, ensuring compliance with all TRAC guidance and submission deadlines. * Lead the planning, preparation, validation, and reconciliation of TRAC data to the statutory accounts. * Review and maintain TRAC methodologies, including indirect cost allocations, academic workload planning, estates costs, and Full Economic Costing (FEC). * Work closely with...
IR35 Status:
Inside IR35

CV-Library Camden, Greater London Contractor
CL
Aug 01, 2026  
Health And Safety Manager
Health & Safety Manager – Major Civils (Contract) Location: London Assignment Rate: £500 – £600 per day (Inside IR35) Job type: Contract Working Pattern: Hybrid – 3 days per week on site We are supporting a client organisation delivering one of the UK’s largest and most complex infrastructure programmes in the appointment of an experienced Health & Safety Manager on a contract basis. This role is operationally focused, with a strong site presence required to support live major civils works, while also allowing flexibility through a hybrid working arrangement. The position is suited to candidates with genuine major civils experience. Consultancy or light construction backgrounds will not be suitable. The Role You will operate as a site-embedded Health & Safety Manager, working closely with construction managers, engineers and subcontractors to ensure works are delivered safely, compliantly and in line with Tier 1 standards. The role balances hands-on site leadership with...
IR35 Status:
Inside IR35

CV-Library Camden, Greater London Contractor
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