Manufacturing (Senior) Scientist (Pilot-Plant) Full-time

Senior Scientist

The Pilot-Plant at GSK's Research & Development (R&D) site at Ware is a GMP clinical manufacturing and development facility that produces early-phase clinical supplies and supports product and process development for oral solid dose, respiratory medicines and low bio-burden manufacture (classified grade C). The Pilot-Plant is focused on manufacturing clinical trial supplies for Phase 1 to Phase 2(b) studies, prior to transferring product over to the Global Supply Chain (GSC) for late-stage development and larger-scale manufacture.

Job Purpose:

The Senior Scientist is instrumental in the manufacturing process for development and clinical trial material of appropriate quality and quantity for its intended use (in accordance with timelines agreed with key customers including Project teams, Clinical Supply Chain and QA). You will play a key role in manufacturing the development and clinical trial material for assets progressing through the R&D phases into early and later-stage clinical studies.

The role operates in a manufacturing-focused R&D environment where you'll validate and develop innovative processes, translate scientific ideas into robust, scalable ways of making new assets. In this role, you'll combine technical rigour, operational discipline and continuous improvement to ensure patients receive high-quality investigational medicines safely and on time.

Key Responsibilities (include)..,

• Manufactures products in compliance with cGMP and SOP's. This includes set up, clean, inspect, and Cleaning Verification (including swabbing and validation inspection of equipment – required for activities). Responsible for end-to-end manufacturing process including; availability of facilities/equipment, materials manufacture, in process checking/ sampling, production of relevant documentation and supports batch release in compliance with SOP's and safe operating procedures. This extends to providing technical insight and oversight for the manufacture of supplies for Clinical Trials and other investigational purposes.
• Ensures that training on all equipment and relevant procedures are completed and documented to Maintain compliance with SOP's and safe operating procedures (eg; COSHH compliance).
• Provides technical input into batch record templates and subsequent generation of batch records. Reconciles product into inventory, compiles batch documentation for the Team Leader review and liaises with PSQA to ensure batch release timings are agreed.
• Where required, provides technical insight to oversee contract manufacturing of batches and support the transfer of technology to GSC sites (including working with third party vendors).
• As required assists with any Deviation Investigation or audit action in accordance with SOP's and agreed timelines.
• Recommends process and efficiency improvements identifying cost savings and knowledge value.
• Leads and owns activities related to new equipment introduction and validation, including drafting and updating SOPs, Work Instructions and Risk Assessments, and partnering with development teams to translate process understanding into robust, scalable manufacturing processes appropriate for clinical supply.
• Owns designated manufacturing areas for 5S, ensuring standards are defined, visual controls and routines are in place, and follow-up actions are driven to maintain a safe, efficient and audit-ready GMP environment.
• Takes a lead role in generating and delivering Continuous Improvement activities, including planning and tracking CI actions to completion, and facilitating After Action Reviews (AARs) to ensure learnings are captured, communicated and embedded into Pilot-Plant ways of working.

Please Note: Although this role is aligned to the GSK R&D function the position operates in a GMP manufacturing setting. The role operates on a standard “Days” pattern during the week (Monday to Friday).

About GSK:

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: https://www.gsk.com/en-gb/innovation/

CLOSING DATE for applications: Monday 26th of October 2026 (COB).

Basic Qualifications:

· Relevant manufacturing/production experience gained in a regulated industry, and willingness to learn about process development and validation in an R&D environment.

· Knowledge of Good Manufacturing Practice (GMP) principles and quality standards.

· A good standard of numeracy and literacy is needed (eg; GCSE Mathematics & English or equivalent).

· Basic computer literacy.

Skills

Data Integrity, Detail-Oriented, Digital Fluency, Emergency Response, Financial Acumen, GxP Regulations, Lean Management, Manufacturing Processes, Problem Solving, Production Management, Project Coordination, Quality Compliance, Regulatory Compliance, Risk Awareness, Site Operations

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