Freelancer UK
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides
  • Sign in
  • Sign up
  • All Jobs
  • Outside IR35
  • Agencies
  • Post a Job
  • Pricing
  • Guides

Email me jobs like this

Email me jobs like this
Refine Search
Search within
100 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 427 Inside IR35 67 Outside IR35 46
Refine by Categories
Education 1630 Construction 1398 Transportation 305 Other 240 Distribution-Shipping 225 Supply Chain 225
Warehouse 225 Admin-Clerical 207 Manufacturing 176 Information Technology 132 Management 106 Health Care 84 Marketing 81 Government 75 Facilities 66 Accounting 65 Finance 62 Human Resources 53
More
Refine by Job Type
Contractor 540
Engineering Harpenden

540 jobs found in Harpenden

CL
Jun 19, 2026  
Quality Engineer
Quality Engineer Luton 5-Month Contract Paying up to £37p/h (Inside IR35) Key Responsibilities Act as the Quality focal point for in-service and returns material activities Support investigation and resolution of non-conformances, including root cause analysis and corrective actions Review and approve quality documentation related to returns, concessions, and repair activities Ensure effective traceability and configuration control of returned and unserviceable items Interface with internal stakeholders (Engineering, Supply Chain, and Operations) and external suppliers Ensure compliance with AS9100, Leonardo Quality Management System, and customer contractual requirements Contribute to continuous improvement activities across in-service quality processes Deliver compliant products in a timely manner, meeting all cost and safety requirements Provide reports and supporting data to the Programme, Project, and functional teams Required Experience Further education and/or...
IR35 Status:
Inside IR35

CV-Library Luton, Bedfordshire Contractor
CL
Jun 19, 2026  
Quality Engineer
Our client, a leading provider in the Defence & Security sector, is seeking an enthusiastic Quality Engineer for an initial 4-month contract to support a range of projects within their Customer Support & Service Solutions (CS3) Division. This role covers fast jet and several other in-service platforms and will be based onsite in Luton. Key Responsibilities: Support the Principal Quality Engineer and Quality Manager in driving objectives to meet or exceed targets Act as Quality focal point for in-service and returns material activities Support investigation and resolution of non-conformances, including root cause analysis and corrective actions Review and approve quality documentation related to returns, concessions, and repair activities Ensure effective traceability and configuration control of returned and unserviceable items Interface with internal stakeholders (Engineering, Supply Chain, and Operations) and external suppliers Ensure compliance with AS9100, the Quality...
IR35 Status:
Unknown Status

CV-Library Luton, Bedfordshire Contractor
CL
Jun 14, 2026  
Electrical Engineer
The Role: We are currently recruiting for a Electrical Maintenance Engineer to work for one of the UK’s largest maintenance contractors in Hemel Hempstead. Duties will include: · Carrying out scheduled PPM and reactive maintenance tasks in maintaining site assets ensuring equipment availability. * Ensure that routine maintenance is carried out to all building plant, equipment and systems to meet and exceed expectations, and agreed service level agreements. * Respond to Building Management System alarms, and effect emergency repairs as needed. * Issue and ensure appropriate controls within the Permit to Work systems. * Ensure that Evaporative Cooling Systems and domestic water systems are maintained to comply with the requirements of the L8 standard. * Ensure that suitable spares are available to carry out maintenance of the above plant. * Ensure that comprehensive maintenance records are kept in the form of task sheets – hard copy or electronically as required. *...
IR35 Status:
Unknown Status

CV-Library Hemel Hempstead, Hertfordshire Contractor
CL
Jun 19, 2026  
Fabric Engineer
Fabric Engineer – Facilities Management Kings Langley £35,000 - £38,000 DOE Ongoing Temporary – Potential of permanent About the Company: Join an outstanding family run Facilities Management provider delivering hard services to a range of commercial and industrial clients nationwide. We pride ourselves on providing first-class customer service and a supportive team culture, offering engineers the tools, training, and autonomy to thrive in their roles. Role Overview: We are looking for a skilled Fabric Engineer to carry out planned and reactive maintenance across a commercial site in Hemel Hempstead. You will be responsible for ensuring buildings are safe, well-maintained, and compliant, working closely with the wider FM team to deliver exceptional service to clients. Key Responsibilities: Carry out planned preventative maintenance (PPM) and reactive repairs on a range of building fabric systems. Undertake general building maintenance tasks, including carpentry, plumbing,...
IR35 Status:
Unknown Status

CV-Library Kings Langley WD4, UK Contractor
CL
Jun 20, 2026  
Software Test Engineer (Stevenage)
Software Testing Engineer required for long term contract assignment based in Stevenage ponsible for the end-to-end software testing and proving lifecycle for our simulation software releases and software defects. Your responsibilities will span planning, conduct, and reporting: Technical Knowledge Software Test automation Understanding software Logs/Data analysis CI/CD software pipelines GitLab, JIRA, scripting, IBM PLM/ ALM/ EWM /Doors Knowledge of Agile Scrum Ability to understand (or experience with) compliance and regulatory requirements AI test automation tooling (Desirable) Software Simulation/Emulator knowledge (Desirable) Linux Network Configuration and analysis tools (Desirable) Test/Proving Planning Understanding Customer needs and requirements from a proving perspective. Understanding design and architecture including defining software test bed requirements. Developing comprehensive software test plans, writing, and running test sets, designs, and specifications....
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 20, 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
Jun 20, 2026  
Mechanical Engineer – Certification & Validation
World Class Defence Organisation is currently looking to recruit a Mechanical Engineer – Certification & Validation subcontractor on an initial 6 month contract. Rate: £50.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week onsite, the rest working remotely from home. 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) Mechanical Engineer – Certification & Validation 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 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 work on the certification and validation activities to allow a new product to be delivered into...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 18, 2026  
Production Test Engineer
Production Test Engineer 12-month contract Based in Stevenage Offering £36ph Inside IR35 Are you an experienced Electronics Test Engineer? Do you have experience testing down to component level? 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 Production Test 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: Providing test engineering support to operators on the shopfloor Testing and diagnosing complex electrical/electronic systems, sub-assemblies, and circuit cards down to component level Generating test specifications, operator instructions, and technical reports - based on higher-level requirements and information Identify remedial and...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 14, 2026  
Systems Design Engineer
World Class Defence Organisation is currently looking to recruit 2x Systems Design Engineer subcontractors on an initial 12 month contract.   Rate: £80.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: The role can be based either from the companies Stevenage, Bolton or Bristol sites Hybrid / Remote working: circa 4 days onsite (more remote working may be 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   Systems Design Engineer Job Description: Seekers department develop RF Seekers for use in Missile products.  Responsibilities: Working as part of team developing system architecture and design utilising MBSE. Deriving and managing requirements Communicating with various stakeholders with the Seeker team and the external customer and suppliers Developing Physical...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 14, 2026  
RF Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit an RF Engineer subcontractor on an initial 6 month contract.    Hourly Rate: £75ph (Umbrella) Contract Duration: 6 Months (initially and then ongoing and long-term thereafter) RF Engineer Job Description: Exciting opportunity for a Principal RF Engineer, in our Hardware-in-the-Loop Team Hybrid working pattern:  80% on site, working with world class equipment. We are looking for ambitious engineers with a growth mind-set to join our team. If you are the right person for us, you will seek a supportive environment, surrounded by passionate experts while being a part of a collaborative and driven team. The Hardware-in-the-Loop (HWIL) team conduct the most complete test of missiles other than a firing and are the  Missile test track. We design complex, real-time simulations that surround real missile hardware to allow us to ‘fire missiles indoors’. Responsibilities: As a HWIL RF...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Jun 14, 2026  
RF Engineer
Our client has an opportunity for a RF Engineer to join them on a contract basis for 6 months with possible extension. You will be designing complex, real-time simulations that surround real hardware. Role: RF Engineer Location: Stevenage, 4 days onsite per week Hours: 37 per week Hourly Rate: £65-£75 per hour via Umbrella, inside IR35 Clearance: BPSS required before starting, full SC to follow What you'll be doing: As a HWIL RF engineer, you will be responsible for designing and developing and maintaining new and existing RF equipment and working with multi-disciplinary teams to combine RF, electronics engineering and software development to produce new capabilities that enable the HWIL team to run new simulations. You will be able to adapt to new engineering situations and be comfortable in abstracting detail in order to understand the simulation and missile's behaviour What you'll be doing: Broad engineering experience with deeper experience in some of the following...
IR35 Status:
Inside IR35

CV-Library Stevenage, Hertfordshire Contractor
CL
Jun 12, 2026  
Mechanical Design Draughtsperson
World Class Defence Organisation is currently looking to recruit a Mechanical Design Draughtsperson subcontractor on an initial 6 month contract. Rate: £45.00 per hour Location: Stevenage Hybrid / Remote working: 2 days a week likely onsite.  The rest working from home 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)  Mechanical Design Draughtsperson Job Description: An opportunity to become a member of Europe’s No. 1 Missile Systems company as a design draughtsperson in the mechanical engineering function, you will work closely with a wide range of project teams to develop definitions to meet our manufacturers and customer’s needs. Responsibilities: Must have a strong background in the ability to create 2D and 3D definitions. In this role, you will develop the 2D and 3D definitions working with the...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 07, 2026  
Mechanical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit a number of Mechanical Systems Engineer / Architects on an initial 6 month contract.  The department can have the role based from either the Stevenage, Bristol or Bolton sites.   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.    Rate: £60.00 per hour Overtime Rate: Hours worked over the standard 37 hours per week, will be paid at ‘time and a quarter’ Location: Stevenage, Bolton or Bristol depending on your preference Hybrid / Remote working: 3-4 days onsite needed. Will be 5 days onsite to begin with due to training needs Duration: 6 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella)...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
Jun 05, 2026  
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
Jun 04, 2026  
Vetting Officer
World Class Defence Organisation based in Stevenage is currently looking to recruit a Vetting Officer on an initial 12-month contract.  The role will be 2 days onsite and 3 days from home.   Job Title: Vetting Officer Rate: £20.00 per hour Location: Stevenage Hybrid / Remote working: 2 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)   Job Description:   An exciting opportunity has arisen to work within the dynamic and vibrant environment of security vetting. This is a crucial area of the business which supports the delivery of security cleared personnel. You will be part of a highly motivated and progressive team who are the first layer of security in ensuring any personnel risks are identified and managed.   Responsibilities: Support Recruitment in obtaining security clearances and checks for all new employees....
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
May 27, 2026  
Senior Electronics Engineer (Calibration & Maintenance) 3310
Electronics Engineer 12 Month Stevenage   World Class Defence Organisation based in Stevenage is currently looking to recruit a Electronics Engineer  on initial 12 month contract and then ongoing and long-term thereafter.   Responsibilities: We are seeking an Electronics Engineer to join our Calibration & Maintenance Team, to service Electrical and Electronic Test Equipment, including Special to Type Test Equipment (STTE . These tasks include fault finding and repair of test equipment, supporting routine calibrations, commissioning of Test Equipment and drift analysis.   You will be working within an experienced team of Calibration & Maintenance Engineers supporting complex test platforms in the manufacture and test of complex missile systems. You will be trained to calibrate and support special to type factory test equipment using a range of technologies, DC to Microwave.   What we’re looking for from you: Minimum qualification: HNC/HND in Electrical & Electronics...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
May 23, 2026  
Mechanical Design Engineer
World Class Defence Organisation is currently looking to recruit a Mechanical Design Engineer subcontractors on an initial 6 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 or Bristol – depending on your preference 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: 6 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...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 16, 2026  
Principal Thermal Engineer
World Class Defence Organisation based in Stevenage, Hertfordshire is currently looking to recruit a Principal Thermal Engineer Subcontractor on an initial 12 month contract.   Hourly Rate: £50.00  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 likely be onsite 3 days per week. Duration: 12 Months with very likely extension. Contracts are often ongoing and long-term thereafter.  IR35 status: Inside IR35 (Umbrella) Interview process: One stage onsite interview   Principal Thermal Engineer Job Description: The Mechanical Analysis Group are looking for a Principal Thermal Engineer to join its team in Stevenage. The group consists of over 30 engineers working across a wide spectrum of cutting-edge military systems. Working for an internationally recognised company, you will play a critical role in ensuring that products deliver the necessary performance against key...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
CL
May 16, 2026  
Component Engineer
World Class Defence Organisation is currently looking to recruit a Component Engineer / Components Cataloguer subcontractor on an initial 6 month contract.   This position requires experience of components and parts, MS tools, eye for detail, able to deal with multiple queries in a support environment    The role will be predominantly working from home with just 1-2 days a week in the office.  Your office base can be either Stevenage or Bolton (depending on your preference).    Contract Duration: 6 months initially and then ongoing. Hourly Rate: £50 per hour (Umbrella)   Component Engineer Job Description: The Component Engineering department play an important support role not just within the engineering group but also within the wider business. You 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...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
May 15, 2026  
V&V Systems Engineering Specialist
World Class Defence Organisation is currently looking to recruit a Verification and Validation Systems Engineering Specialist subcontractor on an initial 12 month contract.  Rate: £85.00 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 on average 2 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) V&V Systems Engineering Specialist Job Description: The Test & Evaluation team are looking for a V&V Systems Engineering Specialist to operate with a high-level of technical responsibility for the entire lifecycle of our product, ranging from design and development to qualification and deployment. A specialist will bridge the gap between design and production, ensuring that complex,...
IR35 Status:
Inside IR35

CV-Library Stevenage, UK Contractor
  • Follow us on:
  • Facebook
  • Twitter
  • Instagram
  • LinkedIn
  • Home
  • Contact
  • About Us
  • Terms & Conditions
  • Employer
  • Post a Job
  • Search Resumes
  • Sign in
  • Job Seeker
  • Find Jobs
  • Outside IR35
  • Create Resume
  • Sign in
© 2008-2026 Powered by SmartJobBoard Job Board Software