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Associate R&D Engineer

Job in Oxford, Oxfordshire, OX1, England, UK
Listing for: Refeyn
Full Time position
Listed on 2026-10-06
Job specializations:
  • Engineering
    Systems Engineer
Salary/Wage Range or Industry Benchmark: 34000 - 39000 GBP Yearly GBP 34000.00 39000.00 YEAR
Job Description & How to Apply Below
Role Overview - Primary Objective

To help deliver next generation instruments involving a combination of lasers, electro-optics systems, 3D positioners, high speed CMOS detectors and microfluidics.

How you’ll achieve it

Working in the engineering function alongside multidisciplinary engineers, the system engineer is responsible for designing, building, and maintaining Refeyn’s cutting edge technology platforms and will lead and participate in high-level instrument design choices, definition of module boundaries and the integration of new and improved modules/features into the broader technology platform. The system engineer will work closely with research, engineering, software, product, and operations teams, to translate product requirements into technical specifications and actionable design verification plans.

The system engineer will be responsible for scoping future product/system requirements, scoping their architecture and how they will fit/interact with our current systems, and planning for this integration/upgrade. They will take ownership for the delivery of all technical and customer facing specification for new products and systems.

Key responsibilities for this role include
  • Provide technical and scientific insight to develop/deliver new innovations in the implementation mass photometry for next generation instruments and submodules, including optical/electro-optical design and data analysis approaches, from proof of concept to production handover.
  • Concepting, designing, building and troubleshooting prototype optical microscopy instruments that measure single molecule properties based on the detection of light scattering.
  • Analysing complex data sets taken on custom built hardware to evaluate instrument performance and
  • Working closely with applications specialists, systems engineers and software developers to deliver new designs or features.
  • Understand and define complex technical specifications and requirements and interpret these to realise new designs/features quickly.
  • Actively participating in the growth of Refeyn’s IP portfolio and identifying patentable IP.
  • Keep up to date on the cutting-edge advances in the fields of light microscopy, light scattering and single molecule bioanalytics, with a view to offer novel approaches and improvements to our technology roadmap.
We are ideally looking for someone with the following skills and experience
  • BSc Engineering (all fields) or equivalent experience
  • Self-starting and excited by the prospect of working alongside/contributing to a multi-disciplinary team focussed on developing novel high-tech instrumentation.
  • Relevant experience in an optics/electro-optics background, for example: a PhD in Microscopy/laser optics/Nano-optics and a degree in a related field
  • Design/alignment/troubleshooting of optical equipment;
    Building new optics systems in microscopy or similar technologies.
  • Data analysis in C/C++/Python/Matlab or similar package – ability to perform complex analysis on novel data.
Compensation And Core Benefits
  • We anticipate a base salary of £34,000 to £39,000 for this role, depending on candidate experience
  • 25 days annual leave per year in addition to bank holidays
  • Up to 7% employer matched pension contribution
  • Private health insurance from day one plus Medicash, critical illness cover, income protection and life insurance
  • Give as You Earn and Cycle to Work salary sacrifice schemes.
  • Annual Company and Individual bonus scheme
  • Paid volunteer day each year
Family Friendly Benefits

Refeyn offers Yellow Nest Nursery Scheme to all employees once probation is passed, and new parents can benefit from up to 17 weeks fully paid maternity, adoption and shared parental leave, 4 weeks fully paid paternity leave, plus an annual allowance for emergency…

Position Requirements
10+ Years work experience
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