Senior Research Engineer

1 week ago

London, Greater London, United Kingdom Exactmer Full time £60,000 - £120,000 per year

Who we are

Exactmer is a life science start-up dedicated to creating technology for producing precision polymeric molecules with our patented Nanostar Sieving Technology. Our mission is to enable manufacture of exquisite synthetic and biological therapeutic polymers that play a crucial role in improving patient's quality of life. From oligonucleotides to mono-disperse polyethylene glycols (PEGs), ADC linkers, peptides and beyond, we are working to improve the future of biomedicine.

We are a team of around 25 people, London-based, searching for a self-starting, dynamic, flexible and committed individual to join our team. We are currently seeking a skilled Senior Research Engineer / Research Engineer to join our Membrane and Purification Team and have a key role in the development of our innovative products.

Responsibilities

As a Senior Research Engineer at Exactmer, you will drive the development, optimisation, and scale-up of Exactmer's membrane technology to enable Nanostar Sieving. You will work on all stages of membrane R&D, leading experimental design, developing new membranes, and improving the performance of existing systems. This work will be directly transferred into manufacturing at Exactmer's Advanced Membrane Manufacturing Suite. This is a hands-on, fast-paced role where creative engineering, scientific rigour, and problem-solving are essential.

Your key responsibilities at Exactmer will be:

  • Lead the design, development, and optimisation of new membrane materials and modules, including polymer selection, surface modification, and structural design.
  • Improve existing membrane manufacturing processes through troubleshooting, optimisation, and developing operational strategies.
  • Scale-up membrane manufacture and support the technology transfer of new products into manufacturing.
  • Mentor and support junior researchers, fostering a collaborative and innovative team environment.
  • Adhere to Exactmer's quality standards, best practices, and safety.
  • Excellent documentation of experimental procedures, results and conclusions.

Skills/Experience

  • PhD or MSc/MEng in Chemical Engineering, Material Science, or a related field
  • Technical expertise in membrane separations (e.g., OSN, UF/DF, NF, membrane characterisation, process modelling).
  • Strong laboratory experience preferably of membrane manufacturing.
  • Experience with process development in a laboratory or industrial setting.
  • A desire to learn fast and tackle many different aspects of creating a new technology and new products.
  • Excellent communication skills, both written and verbal.
  • Strong problem-solving skills.

Why Exactmer?

  • Be part of a cutting-edge life science start-up at the forefront of precision polymer development.
  • Directly contribute to the development of a platform technology aiming to manufacture advanced therapeutics to improve patient quality of life.
  • Join a collaborative interdisciplinary team of scientists and engineers with a culture of developing ideas, problem solving, and innovation.
  • Grow and develop your career with access to specialised training, workshops, and cross-functional learning and development.
  • Competitive compensation and benefits.

Contact Us

Interested candidates are invited to submit their CV and cover letter to Applications will be continuously reviewed, and we encourage you to apply before Friday 19th Dec 2025.

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