Research Scientist – Antibody Discovery

The RxCelerate group of companies provides a platform for out-sourced drug discovery and development services and has a client base ranging from virtual biotech companies to some of the top 15 global pharmaceutical companies. We design and deliver complete drug development programmes from inception through to and including Phase II clinical studies. RxBiologics is a subsidiary of RxCelerate with a focus on delivery of biologics drug discovery. Our aim is to become the antibody drug developer of choice for the UK’s venture backed biotech start-ups and outsourced pharma projects.
RxBiologics has an excellent opportunity for an enthusiastic and motivated scientist to join us and help develop our services to support our growing client base. The position is based within the RxBiologics team, working at the Babraham Research Campus, a leading site within the Cambridge biotechnology hub.
The role
The successful candidate will join our team of scientists supporting client antibody drug discovery programmes and internal technical development. They will primarily perform experiments to support antibody isolation projects, utilising molecular biology techniques, phage display selections and antibody characterisation assays but will additionally provide support in other areas as required. A strong interest in antibody drug discovery, proactive approach and drive to learn new skills is key for this position. RxBiologics will provide practical training in antibody discovery processes and techniques. This is a full-time lab-based role, and the candidate will report into a senior member of the team.
Main Responsibilities
• Performing antibody phage display selections, screening and antibody profiling assays to support internal and external programmes.
• Provision of support to protein sciences and assay development functions.
• Analysis of data to enable selection of best antibody candidates.
• Reporting of work to line manager and the science team.
• Maintenance of accurate experimental records and delivery of high-quality reports.
• Laboratory support to ensure the smooth operation of the laboratories.
Essential Skills/Requirements
• Msc or PhD (or equivalent) in relevant biological science and preferably at least a year’s laboratory-based experience gained within the biotechnology or pharmaceutical sector.
• Skilled in molecular biology and microbiological techniques such as PCR, cloning, gel electrophoresis, DNA sequence analysis, aseptic cell culture, and sequencing data analysis.
• Experience of plate-based assays e.g. ELISA, and/or homogeneous assay formats.
• A working knowledge of antibody discovery processes.
• Practical mammalian cell culture and flow cytometry experience is an advantage.
• Familiarity with antibody developability assays, including knowledge of HPLC, BLI, SPR, DLS, or nanoDSF techniques is an advantage.
• Demonstrated ability to plan, conduct and analyse experimental work to a high standard.
• Ability to optimise and troubleshoot experiments under guidance.
• A flexible approach to work with excellent organisation and prioritisation skills.
• Enjoys working independently and as part of a dynamic team.
• Good interpersonal, communication and presentation skills.
• Demonstrates our Company values of Agile and Collaborative, Courage and Innovation, Excellence, Vibrant and Compassionate.
RxBiologics offers a competitive salary with an annual bonus scheme and company benefit package.
When applying for this role, please include a cover letter outlining how you meet the competencies described above. Applicants should apply with their cover letter and curriculum vitae in PDF format by 24 November 2025. Informal enquiries can be directed to this email address careers@rxcelerate.com.