Senior Scientist - Immune Modulation

GlaxoSmithKline; Stevenage; On-site; GBP 50,000 - 75,000; Full time

Job summary

A global biopharmaceutical company based in Stevenage is seeking a Senior Scientist specializing in Immunology, Pharmacology, and high-throughput screening. The role involves designing experiments and analyzing data to support the development of novel biopharmaceuticals. Ideal candidates will hold a PhD and have experience in cell culture, flow cytometry, and a strong ability to work within cross-functional teams. The position offers a competitive salary, annual bonus, healthcare, and other benefits.

Benefits

Competitive salary

Annual bonus based on company performance

Healthcare and wellbeing programmes

Pension plan

Shares and savings programme

Qualifications

• PhD or degree (or equivalent) plus equivalent experience in relevant disciplines.
• Ability to independently design and execute experiments.
• Experience in flow cytometry and high throughput screening.

Responsibilities

• Design and execute experiments with cell lines and/or primary cells.
• Interpret experimental results and author reports & presentations.
• Communicate results and progress to project teams.

Skills

Immunology

Molecular Biology

Flow cytometry

High throughput screening

Data analysis

Independently design experiments

Excellent teamwork

Education

PhD or equivalent in relevant fields

Tools

ELISA

HTRF

AlphaLISA

MSD

Job description

Site Name: UK - Hertfordshire - Stevenage
Posted Date: Nov 11 2025

We are seeking a Senior Scientist, with a special focus on Immunology, Pharmacology and High-throughput Screening to join the Antibody Pharmacology team in our Large Molecule Research department. This is a fixed term contract ending in December 2026.

The successful candidate will have a PhD or equivalent experience in one or more relevant areas of research, including Immunology, Pharmacology, handling of primary immune cells and enrichment methods, flow cytometry and immunophenotyping, cytokine profiling, high-throughput imaging, arrayed screening including assay development and automation.

Large Molecule Research, part of Research Technologies, is a department that enables identification and selection of novel biopharmaceuticals with the potential to develop into novel medicines for the treatment of a range of diseases. The Immune Modulation team, part of Antibody Pharmacology within Large Molecule Research, enables a function‑first approach in screening of candidate molecules at scale to support pipeline progression and reduce attrition using physiologically relevant in‑vitro models for oncology and immune‑related indications.

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.

In this role you will:

• Independently design and execute experiments with cell lines and/or primary cells, using a range of tools and assay technologies:
  • Isolation and culture of primary immune cells
  • Cell‑based assays
  • Flow cytometry, surface and intracellular staining & analysis of flow cytometry results
  • Immunoassays using multiple technologies (ELISA, HTRF, AlphaLISA, MSD etc)
  • High throughput imaging
  • Arrayed screening, including assay development and automation
• Interpret experimental results and author reports & presentations
• Communicate results, progress and bottlenecks to project teams and stakeholders
• Conduct basic data analysis and apply principles of statistics
• Collaborate effectively with cross‑functional teams

Basic Qualifications & Skills

• PhD or degree (or equivalent) plus equivalent experience in Immunology, Molecular Biology, or similar disciplines
• Ability to independently design and execute experiments
• Experience of cell culture and aseptic technique
• Experience in flow cytometry and high throughput screening
• Data analysis & interpretation
• Excellent teamwork and communication skills
• Adaptability to changing business needs and learning new techniques

Preferred Qualifications & Skills

• Understanding of basic concepts in drug discovery
• Familiarity with automation/liquid handling technology
• Experience with functional assays, imaging technologies and handling of primary immune cells

Closing Date for Applications

25th November 2025 (EOD)

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.

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.

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