iyris
Laboratory Technician
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COMPANY OVERVIEW
iyris is a material science company developing additive technologies that make industries more resilient, starting with agriculture. Our mission is to optimize the world’s most abundant resource; sunlight to help industries perform better, grow smarter, and operate more sustainably.
Our award-winning heat-blocking additive is already embedded into agricultural covers worldwide, helping growers reduce heat stress, save water and energy, and achieve higher yields. With more than 60 trials completed and adoption across ten countries on five continents, iyris is scaling globally through partnerships with leading manufacturers and distributors.
Recognized as a multi-award-winning innovator, iyris is building a platform of next generation additives with applications that extend far beyond agriculture, including aquaculture, infrastructure, and climate resilient industries of the future.
We’re looking for talented and experienced individuals who have a desire to join us on our journey and make a positive impact on the world.
ROLE DESCRIPTION
The Laboratory Technician is a crucial role within our Technology team, bridging the gap between polymer processing and analytical validation. Operating in a fast-paced development lab, you will be responsible for preparing precise test specimens, conducting rigorous physical and thermal characterisation on trial materials, and managing critical laboratory equipment. This role is ideal for a detail-oriented individual with hands-on testing experience who thrives in a dynamic material science environment.
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The position is based in London in the UK, with the candidate expected to be in our North Acton office location 5 days per week.
PRIMARY RESPONSIBILITIES
The role’s primary responsibilities are listed, but not limited to the below:
Material Characterisation and Analytical Testing
- Thermal Analysis: Program, run, and analyze samples using Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) to evaluate polymer melting points, crystallinity, and thermal stability.
- Rheological & Melt Flow Testing: Perform Melt Flow Index (MFI) and Melt Flow Rate (MFR) tests on trial compounds to characterize polymer processability.
- Physical & Mechanical Testing: Conduct tensile, flexural, and impact testing using universal testing machines to evaluate material strength, elongation, and toughness.
- Moisture & Density Analysis: Utilize moisture analyzers and density balances to perform crucial QC checks on incoming raw materials and finished masterbatches.
Sample Preparation and Quality Control
- Specimen Preparation: Prepare physical testing specimens (tensile bars, impact discs) through precision cutting, milling, or conditioning according to standard ASTM/ISO testing frameworks.
- Data Logging & Documentation: Meticulously record all raw testing data, maintain digital laboratory notebooks, and generate clear, structured data summaries for the R&D and engineering teams.
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Laboratory Safety, Maintenance & Inventory
- Equipment Calibration: Perform routine calibration, maintenance, and basic troubleshooting on analytical instruments (TGA, DSC, MFI, and mechanical testers).
- COSHH & Chemical Management: Actively manage chemical inventory, maintain Material Safety Data Sheets (MSDS), and ensure the laboratory complies with COSHH and general health and safety standards.
- Housekeeping: Maintain an immaculate, organized, and safe laboratory workspace, practicing strict 5S principles.
REQUIRED SKILLS & EXPERIENCE
This role will report to the Polymer Processing Team Leader and is expected to have / be:
- Degree, HND, or equivalent qualification in Materials Science, Chemistry, Chemical Engineering, or a related technical discipline.
- 1–3 years of hands-on experience in a materials testing or analytical laboratory environment, ideally within the polymers, plastics, or compounding sector.
- Direct experience running DSC, TGA, MFI, and mechanical testing equipment is highly desirable. Excellent computer literacy (Excel/data plotting) is required.
- Meticulous attention to detail, strong organisational skills, and a proactive attitude toward lab safety and cleanliness.
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