Senior Research Engineer / Research Engineer (Membrane and Purification Team)
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 [email protected]. Applications will be continuously reviewed, and we encourage you to apply before Friday 19th Dec 2025.
www.exactmer.com
Exactmer is a limited company registered in the UK.
Registration no: 11109941 VAT no: 300 3595 43
Directors: A.G. Livingston, P.R.G. Gaffney
