Job Description

GSK Barnard Castle is a key secondary manufacturing site and has invested heavily in industry 4.0 state of the art, bespoke equipment to support sustained new product introductions and volume increases, and as a key supplier of some of GSK's blockbuster products, the site contributes revenues of ~$2Bn annually.
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
Are you ready to make a difference in healthcare by ensuring the highest standards of microbiological testing? As a Microbiological Technologist, you'll play a key role in maintaining product quality and safety. You'll work collaboratively with a team of experts, using your skills to perform microbiological testing and support investigations. We value candidates who are detail-oriented, proactive, and passionate about continuous improvement.
In this role you will...

• Lead Perform microbiological testing on raw materials, finished products, and environmental samples following established procedures.
• Ensure compliance with Good Manufacturing Practices (GMP) and Good Laboratory Practices (GLP).
• Support investigations into microbiological anomalies and contribute to problem-solving efforts.
• Maintain and calibrate laboratory equipment to ensure accurate and reliable results.
• Create and update documentation, including procedures, protocols, and reports.

Train and mentor junior staff in microbiological techniques and laboratory practices.
Why you?
Basic Qualifications & Skills:

• Minimum 5 GCSEs, including Science or equivalent experience.
• Practical knowledge in at least one area of pharmaceutical microbiology (e.g., environmental monitoring, sterility testing, microbial identification).
• Strong organizational and communication skills.
• Ability to work independently and as part of a team.

Preferred Qualifications & Skills:

• A Level in Science or equivalent qualification.
• Familiarity with Quality Management Systems (QMS) and relevant regulations.
• Experience in method development or validation.

Closing Date for Applications: 26th September 2025 (COB)
Please take a copy of the , 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.
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 on or 0808 234 4391. The helpline is available from 8.30am to 12.00 noon Monday to Friday, during bank holidays these times and days may vary.
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Skills Required