We are currently seeking an enthusiastic, dynamic and self-motivated senior scientist to join the Translational Developability group within MDE and working within a matrix role. The role will be primarily lab focused, working with teams of scientists with diverse skills including protein biochemists, in vitro and ex vivo assay scientists, antibody pharmacologists and molecular biologists as well as in close partnership with other parts of the GSK organisation. It involves using high throughput methods to rapidly profile large panels of antibodies and perform interpretations on the generated data in the early discovery phase. These activities will focus on in vitro prediction of antibody characteristics during exposure in vivo.

Large Molecule Research within GSK is a department dedicated to the discovery of novel and effective biopharmaceutical medicines. This department comprises several complementary functions focused on the progression of a portfolio of biopharmaceuticals from initial antibody discovery, expression and characterisation to molecular engineering and biological and physiochemical profiling. Within the Large Molecule Discovery Unit, the Molecular Design and Engineering (MDE) group takes accountability for antibody engineering and developability profiling prior to candidate selection to continuously improve molecule quality and transform discovered leads into potential therapeutics.

As a Senior Scientist, you will lead laboratory science to characterise and de-risk therapeutic antibody and biopharmaceutical candidates. You will work closely with colleagues in discovery and early development to design and run experiments that deliver clear decision-making data.

This role offers hands-on laboratory work, scientific ownership, and opportunities to develop both technical and leadership capabilities while contributing to the progression of innovative therapies.

We create a place where people can grow, be their best, be safe, and feel welcome, valued and included. We offer a competitive salary, an annual bonus based on company performance, healthcare and wellbeing programmes, pension plan membership, and shares and savings programme.

We embrace modern work practises; our Performance with Choice programme offers a hybrid working model, empowering you to find the optimal balance between remote and in-office work.

Discover more about our company wide benefits and life at GSK on our webpage Life at GSK | GSK

In this role you will

• Design and deliver experiments to characterise antibody-based molecules using a range of techniques such as chromatography-based analytical techniques such as SEC-HPLC and CIEX-HPLC, as well as ELISA and flow-based assays.
• Analyse and interpret experimental data to provide clear, actionable recommendations to project teams.
• Collaborate within multidisciplinary teams to support programme progression and scientific decision making.
• Maintain accurate experimental records and produce high-quality documentation including formal reports.
• Contribute to assay development, qualification, and optimisation to improve throughput and data quality.
• Promote safe laboratory practices and support equipment and reagent management.

Why you?

Basic Qualifications & Skills:

We are looking for professionals with these required skills to achieve our goals:

• Advanced degree (PhD or MSc with relevant laboratory expertise) in biochemistry, biophysics, pharmacology or related life science discipline, or BSc with equivalent experience.

• Independence and competence performing relevant analytical/ biological research techniques (in one or more of the following: immunoassay, flow cytometry, SEC- HPLC );
• Pharmaceutical, Biotech, or CRO industry experience working on large molecules and knowledge of antibody structure and function;
• Experience of working with human biological materials such as serum or plasma

• Strong data analysis and interpretation skills with high attention to detail.
• Strong communication skills to present scientific findings to diverse audiences.

Preferred Qualifications & Skills:

Please note the following skills are not necessary, just preferred, if you do not have them, please still apply:

• Exposure to large or complex datasets and data visualisation tools.

• Good understanding of antibody clearance mechanisms and related concepts

• Background in assay development, qualification, or automation.
• Familiarity with cell-based assays or molecular biology techniques.

• Experience of the use and design of automated solutions to scientific workflows including liquid handlers;

• Interest or experience in data science or statistical approaches to experimental design.

Location: For candidates seeking to be located at our Stevenage site, this role will temporarily be based at Stevenage. However, the Company plans to relocate its offices to Cambridge, UK. The location of this role will therefore subsequently change to Cambridge, UK in accordance with timelines to be set by the Company. The relocation is currently proposed to take effect by early 2029.

Closing Date for Applications – 6th October 2026 (COB)

Please take a copy of the Job Description, as this will not be available post closure of the advert.

When applying for this role, please use the ‘cover letter’ of the online application or your CV to describe how you meet the competencies for this role, as outlined in the job requirements above. The information that you have provided in your cover letter and CV will be used to assess your application.

At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform people’s lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients’ needs and have the highest probability of success. We’re uniting science, technology, and talent to get ahead of disease together.

Find out more:

Our approach to R&D.

Skills

Antibody Testing, Assay Development, Biotechnology, Cell Biology, Cross-Functional Teamwork, Data Quality, Flow Cytometry, Following Instructions, Interpersonal Communication, Lab Maintenance, Life Science, Matrix Leadership, Proper Documentation, Protein Biochemistry, Scientific Presentations, Scientific Research, Scientific Writing

Why GSK?

Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a purpose to unite science, technology and talent to get ahead of disease together. We aim to positively impact the health of 2.5 billion people by the end of the decade, as a successful, growing company where people can thrive. We get ahead of disease by preventing and treating it with innovation in specialty medicines and vaccines. We focus on four therapeutic areas: respiratory, immunology and inflammation; oncology; HIV; and infectious diseases – to impact health at scale.

People and patients around the world count on the medicines and vaccines we make, so we’re committed to creating an environment where our people can thrive and focus on what matters most. Our culture of being ambitious for patients, accountable for impact and doing the right thing is the foundation for how, together, we deliver for patients, shareholders and our people.

GSK is an Equal Opportunity Employer. This ensures that all qualified applicants will receive equal consideration for employment without regard to race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, age, disability, genetic information (including family medical history), military service or any basis prohibited under federal, state or local law.

We believe in an agile working culture for all our roles. If flexibility is important to you, we encourage you to explore with our hiring team what the opportunities are.

Should you require any adjustments to our process to assist you in demonstrating your strengths and capabilities contact us at UKRecruitment.Adjustments@gsk.com where you can also request a call.

Please note should your enquiry not relate to adjustments, we will not be able to support you through these channels. However, we have created a Recruitment FAQ guide. Click the link where you will find answers to multiple questions we receive

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