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
50 miles
10 miles 20 miles 50 miles 100 miles 200 miles
Refine by IR35 Status
Unknown Status 32 Outside IR35 2 Inside IR35 2
Refine by Categories
Education 99 Transportation 80 Construction 78 Other 31 Distribution-Shipping 15 Science 15
Supply Chain 15 Warehouse 15 Facilities 13 Health Care 13 Information Technology 11 Manufacturing 10 Automotive 9 Management 9 Admin-Clerical 6 Sales 5 Hospitality-Hotel 3 Marketing 3
More
Refine by Job Type
Contractor 36
Engineering Slough science

36 science jobs found in Slough

CL
Apr 08, 2026  
Scientist
Talentmark are recruiting for a Scientist to join a global pharmaceutical company on a contract basis initially for 12-months. Salary: £22.40 per hour PAYE or £30.81 per hour via umbrella. Scientist (Antibody Cell Line Sciences) Role: Establish and develop host cell line systems to support the manufacturing of therapeutic antibodies and novel biologics. Generate and optimize stable mammalian cell lines for protein expression using advanced cell engineering and genome engineering techniques. Apply laboratory-based scientific expertise to support the development of manufacturing-ready host systems while ensuring compliance with GMP requirements. Work with molecular biology and engineering teams to support the development of robust cell line platforms. Carry out laboratory techniques including ddPCR, cloning, plasmid construction, flow cytometry/FACS and single-cell cloning.Your Background: BSc degree in a relevant life sciences discipline. Industry experience in cell culture...
IR35 Status:
Unknown Status

CV-Library Slough, UK Contractor
CL
Apr 03, 2026  
Cell Line Development Scientist
Your new company You'll be joining a well-established global biopharmaceutical organisation advancing next‑generation antibody and therapeutic technologies. You'll be part of an innovative team focused on developing high‑quality, manufacturable mammalian cell lines. Your new role You'll be joining an experienced team who drive a lot of the mammalian cell line development behind the company's entire portfolio, where you will contribute to the creation and optimisation of stable host cell lines to support therapeutic manufacturing. This is initially a 12 month contract that is likely to extend to at least 18 months and potentially run for 2 years. The role will mainly involve working regular hours Monday-Friday but there may be occasional weekend work. Key responsibilities include: Establishing, developing, and optimising stable mammalian cell lines for protein and antibody expression Working extensively with CHO cells, while applying experience with other mammalian lines where...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire Contractor
CL
Apr 03, 2026  
Associate Scientist Upstream Process Development
Your new company You'll be joining a leading biopharmaceutical organisation advancing innovative medicines and technologies. You'll be part of a collaborative R&D environment focused on developing high‑quality, scalable processes. Your new role As an Associate Scientist in upstream process development, you will support the optimisation and scale‑up of microbial processes across lab‑ and pilot‑scale operations. This is initially a 12 month contract that may extend and there will be some out of hours/weekend work involved in this role. Key responsibilities include: Performing microbial process optimisation and development experiments from 250 mL to 200 L scale Operating bioreactor and fermenter systems to support upstream development Documenting experiments, writing protocols, and updating procedures Analysing data and presenting results to managers and internal teams Working independently and collaboratively to deliver team objectives Maintaining a safe and compliant...
IR35 Status:
Unknown Status

CV-Library Slough, Berkshire 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
Mar 21, 2026  
Senior Systems Engineer
Senior Systems Engineer (12 Month Fixed Term Contract) Denham Martin-Baker is the world’s leading manufacturer of ejection and crashworthy seats, saving over 7,805 lives to date. We combine cutting-edge engineering with a clear mission: protecting aircrew around the world. We are now recruiting a Senior Systems Engineer (12 month Fixed Term contract) to join our established Systems Engineering team at our Denham site. The Role: As a Senior Systems Engineer, you will lead complex analytical engineering activities across the full product lifecycle — from concept and development through to production and verification. You will be responsible for maintaining system requirements, conducting in-depth analyses, supporting system verification, and producing highly technical documentation required for internal, customer, and contractual purposes. You will also play a key role in mentoring Systems Engineers, helping maximise team capability, quality, and productivity while supporting...
IR35 Status:
Unknown Status

CV-Library Denham, Buckinghamshire Contractor
CL
Apr 02, 2026  
Research Scientist
NES Fircroft is supporting a global science-led manufacturing business operating in the Agri-science and specialty chemicals space, known for translating cutting-edge research into large-scale, real-world production.  We are looking for a Research Scientist (Protein) on a 2 year contract working at a globally renowned research centre at Jealott's Hill, Bracknell. 36hrs per week, Mon-Fri.  Job Role:  We are looking for a hardworking, motivated individual who is quick to learn and apply themselves to join our dynamic, collaborative and industrious protein production team. This is a fully lab based two-year contract to support the execution of protein expression, purification and production projects requiring multi mg quantities of proteins. This role offers the opportunity for the successful candidate to gain hands on experience with protein expression in microbial/other host systems and protein purification. Role profile and expectations: Work as part of a protein...
IR35 Status:
Unknown Status

CV-Library Bracknell, UK Contractor
CL
Feb 07, 2026  
IMS Core Engineer
Position: IMS Core Engineer Location: Reading and customer offices as required Salary: On Application Duration: Ongoing Hours: Monday–Friday, 9am–5:30pm Overview of an IMS Core Engineer As an IMS Core Engineer, you’ll be part of a specialist technical team responsible for testing, validating, and supporting mission critical communication solutions. This role is key to ensuring the performance, availability, and reliability of IMS Core services across Core, RAN, and Application layers. You’ll work closely with test, support, and delivery teams to ensure systems meet customer expectations, contractual milestones, and service level agreements. Responsibilities of an IMS Core Engineer • Provide technical expertise in IMS Core and MCX, supporting the definition and execution of test strategies for all network elements and software releases. • Define and execute Functional, Performance, Accessibility, and Compatibility testing to agreed project timelines. • Perform end-to-end testing,...
IR35 Status:
Unknown Status

CV-Library RG1, Reading, Berkshire Contractor
CL
Apr 05, 2026  
Data Scientist
Looking out for mix of Data Science and Data Engineering. Someone who is half data scientist and data engineer - Someone who can build and maintain machine learning models And also an engineer who can build data pipelines Someone good at insights and presenting Measuring the success of the sales motions Understands preprencity models SQL - focus project Python is essential GCS is acting as an Employment Business in relation to this vacancy
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 03, 2026  
Junior Environmental Scientist
Junior Environmental Scientist: We work with infrastructure developers, property companies, governments and landowners to embed effective management of land, air and water through planning, delivery and operation of new and retrofit projects. Our service is comprehensive, including air quality, biodiversity, noise, community engagement, environmental assessment and management, land quality, water, resources and waste, and the maintenance and protection of historic environments. Shaped by our engineering heritage and informed by our wide range of complementary technical skills, we offer rigorous environmental assessments and management practice to inform and communicate a clear understanding of the environmental issues and opportunities. The main aspect of the role will be working on a wide variety of projects (in terms of scale, value, location and sector) assessing the contaminative status and formulating cost-effective and pragmatic remediation solutions, liaising with...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Dec 26, 2025  
QA Lead
QA Lead – End-to-End & Automation Certain Advantage are hiring for a QA Lead – (End-to-End Automation) based in London. This role is on an initial 12-month contract and will be required to be onsite 3 days a week and 2 days remote. We are seeking a highly experienced QA Lead to take ownership of end-to-end testing across a dynamic portfolio of programs. This is a leadership role requiring strong technical expertise, strategic thinking, and the ability to guide a high-performing team toward delivering top-quality testing outcomes. Key Responsibilities Own end-to-end testing deliverables across the portfolio, ensuring high-quality outcomes and effective demand management. Build and maintain a strong QA team by identifying and onboarding capable talent. Ensure business continuity and consistently deliver top-tier testing coverage for all programs. Lead a team of 10–12 QA professionals, managing goals, performance appraisals, and development plans aligned to their career...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Apr 03, 2026  
QC Associate Scientist I (Contract)
Your new company You'll be joining a leading global biopharmaceutical organisation within the life sciences sector, known for producing high‑quality microbiology and diagnostics products. The site operates within a highly regulated GMP environment and supports global manufacturing, quality, and product release activities. Your new role As a QC Associate Scientist within the Microbiology team, you'll be responsible for carrying out routine microbiological quality control testing to ensure products meet safety and compliance standards. This includes antibiotic susceptibility testing, disc testing, media preparation, autoclave operation, data recording through SAP, supporting OOS investigations, completing equipment checks, maintaining GMP documentation, and participating in daily Tier meetings. What you'll need to succeed A degree (or equivalent) in Microbiology, Biomedical Science, Biotechnology, or a related discipline Practical microbiology laboratory experience (academic or...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 02, 2026  
Project Engineer
Project Engineer Position Type: Contract Location: South East PM Group requires Project Engineering support for the management and execution of projects, working for a pharmaceuticals client in the South East. Responsibilities: * Project engineering of the Works. * Delivery of a portfolio of small – medium sized projects in accordance with the company project roadmap throughout the project lifecycle ensuring governance to current engineering standards and compliance with CDM regulations. * Strict GMP compliance to be adhered throughout the lifecycle of the project. * Coordination with the Principal Contractor and all other project team members to ensure completion to schedule. * Project management services to oversee the completion snags and any construction defects identified. * Project management services to oversee the completion of any installation, commissioning and qualification by liaising with the vendor, company Validation and any other company...
IR35 Status:
Unknown Status

CV-Library United Kingdom Contractor
CL
Apr 03, 2026  
Project Engineer
A High-Impact Engineering Mission: Lead A Multi-Site Commissioning Project. Our Client is launching a critical, high-value strategic expansion and seeks multiple Project Engineers to deliver it. The experienced Project Engineer will assist with a multi-site relocation and commissioning project across the UK and Continental Europe. The successful candidate will be involved in the decommissioning of specialized slitting machinery from the current facility in Holland to either Germany or Wales. The Project Engineer will then commission the equipment into the brand-new manufacturing line(s) requiring deep technical expertise, meticulous international planning, and hands-on execution. If you are an experienced Project Engineer ready to take full technical and project ownership of this international launch, we want to hear from you. Key Responsibilities * Technical Immersion (Netherlands, up to 3 Months): Spend an initial period working closely with the team in the Netherlands to...
IR35 Status:
Unknown Status

CV-Library Croydon, Greater London Contractor
CL
Apr 05, 2026  
Laboratory Technician
Role Name: Laboratory Technician Site location: Stevenage, UK Hourly Rate: £16 per hour via PAYE Duration of contract: 6 months initially, possibility for extension. Weekly hours: 37.5 hours LABORATORY TECHNICIAN (CHEMISTRY R&D) STEVENAGE Help us improve access to life-changing therapies that can transform human health A global provider of technologies and services that advance and accelerate the development and manufacture of therapeutics. Formerly part of GE Healthcare, we have a rich heritage tracing back hundreds of years, and a fresh beginning since 2020. Our customers undertake life-saving activities. These range from fundamental biological research to developing innovative vaccines, biologic drugs, and novel cell and gene therapies. Our job is to supply the tools and services - the pots, pans, soups, and sauces - they need to work better, faster, and safer, leading to better patient outcomes. We are looking for an organized, self-motivated, enthusiastic, and...
IR35 Status:
Unknown Status

CV-Library Stevenage, Hertfordshire 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
Jan 24, 2026  
Satellite Systems Engineer 2343-1
Systems Engineer - Satellite Communications Portsmouth, UK 6 Month Inital Contract The Opportunity: Shape the Future of Secure Space-Based NetworksAn exceptional opportunity has arisen for a talented Systems Engineer to join our Lead Systems Engineers and Architects team within Defence & Space industry in Portsmouth, UK. This is your chance to directly contribute to the next generation of critical military satellite communications capability, including key future-looking programmes like the UK MOD's Skynet Enduring Capability and other vital Milsatcom initiatives. Our client has a proven track record, having delivered Milsatcom capability to the UK MOD from Skynet 4, through the successful Skynet 5 PFI, and currently delivering Skynet 6A on orbit. They are setting the standard for inter-satellite links, navigation, and space-based networks. Join us to be at the forefront of these exciting, engaged, and future-focused technologies. As a Systems Engineer, you will be pivotal...
IR35 Status:
Unknown Status

CV-Library Hampshire, UK Contractor
CL
Apr 03, 2026  
Workshop Electrician (Temp to Perm)
Workshop Electrician – Montrose NES Fircroft are supporting a major oilfield services client in the search for a Workshop Electrician to join their team in Montrose. Role Details Job Title: Workshop Electrician Location: Montrose  Duration: 9 months (strong possibility of extension or permanent hire) Hours: Mon–Thu: 07:00–16:15 Fri: 07:00–12:00 Weekly Hours: 40 Overtime: x1.5 standard OT Saturdays: x2 after 4 hours Sundays: x2 Travel: Some ad-hoc travel may be requiredAs a Workshop Electrician, you will be responsible for the repair, inspection, and overhaul of rig equipment within a busy aftermarket operations environment. You will support critical “rig down” situations and ensure equipment is returned to safe, reliable working condition. This role involves working across a range of equipment. Key Responsibilities Repair, overhaul, inspect, and identify faults on rig equipment. Produce and update documentation (inspection reports, parts lists, etc.). Read, interpret,...
IR35 Status:
Unknown Status

CV-Library Outwood, Redhill RH1, UK Contractor
CL
Jan 24, 2026  
Plumber
Example Recruitment Group are working with a National Heating contractor specialising within the Private sector and they have an amazing opportunity for a Plumber to work on a contract without an end date. The Role: * Service and repair of domestic heating systems * Repair and install commercial heating parts to communal dwelling systems. * Replacing thermostatic valves, pump, radiators and other associated equipment, repair of pipework and attend breakdowns. * Powerflushing * Changing cylinders * Powerflush provided Requirements: * Plumbing qualifications required: City & Guilds / NVQ * Public Liability Insurance - £2,000,000 * Full UK Driving Licence and van * Clean DBS If you are a Plumber and want to work on a ontract without an end date, please send an updated CV
IR35 Status:
Unknown Status

CV-Library HA1, Harrow on the Hill, Greater London Contractor
CL
Apr 08, 2026  
Site Agent - Water Capital Delivery
Site Agent - Water Capital Delivery Location: Thames Valley Region Contract Type: Contract Rate/Salary: Competitive salary depended on experience. Help Deliver Resilient Water Infrastructure We're looking for an experienced Site Agent to join a growing capital delivery team focused on essential water and wastewater infrastructure projects across the Thames Valley region. This is your opportunity to be part of a team that's safeguarding water supply, supporting environmental targets, and delivering large-scale, long-term improvements to water assets. The Role: As a Site Agent, you'll lead on-site delivery with responsibility for civil engineering works in a water environment - ensuring safety, quality, budget control, and programme milestones are consistently met. Key Responsibilities: Oversee daily site operations and lead civil delivery activities across water capital projects Ensure compliance with SHEQ standards and lead daily safety briefings Carry out temporary works...
IR35 Status:
Unknown Status

CV-Library Reading, UK Contractor
CL
Apr 04, 2026  
Senior Category Manager
Role title: Senior Category Manager Contract Length: 12 months Location: Reading - 3 days onsite per week Hourly Rate: Inside IR35 Start date: ASAP Hours: 37 hours per week Role Overview We are seeking a Senior Category Manager to lead strategic procurement, supplier relationship management, and contract management for a defined sub-group of ITC categories. The role focuses on delivering value, cost efficiencies, and risk mitigation in line with business objectives. This position requires strong public procurement experience, and knowledge of MOD or public sector contracts. Key Accountabilities Develop and implement Category Strategies for assigned sub-groups, balancing short- and long-term objectives with stakeholder requirements. Lead complex strategic sourcing activities, including RFx execution, supplier evaluation, contract negotiation, award, and handover, ensuring compliance with client policies and ethical standards. Manage contracts and commercial activities,...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire 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