Trace Analysis and E&L Scientist

GSK; Stevenage; Hybrid; GBP 55,000 - 75,000; Full time

Benefits offered by this job

Competitive salary

Annual bonus

Healthcare and wellbeing programmes

Pension plan membership

Shares and savings programme

Job summary

GSK is seeking a Trace Analysis and E&L Scientist to join our team in Stevenage. The role focuses on trace analysis of extracts and leachables using LC-MS/GC-MS, with potential involvement in mutagenic and elemental impurity screening. You will work hands-on in a lab, develop methods, and contribute to regulatory submissions.

The position offers a hybrid work model, competitive salary, annual bonus, and a comprehensive benefits package, with relocation planned to Ware in the future.

Qualifications

• Degree in Chemistry or a related scientific field.
• Hands-on experience in analytical laboratory settings.
• Experience with GC and/or LC-MS instrumentation and data analysis.
• Experience developing/validating analytical methods and delivering high-quality data.

Responsibilities

• Perform targeted and non-targeted trace analysis of small and large molecules using MS.
• Develop sample preparation approaches and strengthen lab capability.
• Develop, optimize, validate or verify LC-MS and GC-MS methods as required.
• Assess extractables/leachables risk and propose mitigation strategies.
• Lead analytical work from prep to data reporting and project recommendations.
• Support regulatory submissions and oversight of CRO-delivered work packages.

Skills

LC-MS

GC-MS

Trace analysis

Analytical method development

Mass spectrometry data interpretation

Independent work

Project management

Communication skills

Education

Bachelor's degree in Chemistry or related field

Tools

ICP-OES/MS

Job description

We are looking for a Trace Analysis and E&L Scientist to join us at GSK. This is an exciting opportunity for an enthusiastic analytical scientist to join a trace analytical team in an industry leading pharmaceutical company.

The successful candidate will join a team that utilises state-of-the-art LC-MS and GC-MS instrumentation to provide key information for projects at all stages of pharmaceutical development. In this hands‑on, lab‑based position the successful candidate will primarily undertake trace analysis of extractable and leachables, with the potential to support trace analysis for mutagenic impurity and elemental impurity control, in pharmaceutical samples by mass spectrometry (LC-MS(/MS), GC-MS(/MS) and ICP-OES/MS). The successful candidate will work with a high level of autonomy and contribute to analytical projects (from sample preparation through to final report) as well as leading the development of trace level control strategies for individual projects, contributing to regulatory submissions, and overseeing completion of work packages placed at CROs.

We create a place where people can grow, be their best, be safe, and feel welcome, valued and included.

• competitive salary
• annual bonus based on company performance
• healthcare and wellbeing programmes
• pension plan membership
• 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

• Perform targeted and non‑targeted trace analysis of small and large molecules using mass spectrometry.
• Develop sample preparation approaches and strengthen analytical capability within the laboratory.
• Develop, optimise, validate or verify LC-MS and GC-MS methods for project needs.
• Assess extractables and leachables risk and deliver practical risk mitigation strategies for individual projects.
• Lead analytical work from sample preparation through data interpretation, reporting and project recommendations.
• Contribute to regulatory submissions and oversee agreed work packages delivered by contract research organisations

Why you?

Basic Qualifications & Skills:

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

• Degree in Chemistry or a related scientific field.
• Hands‑on experience working in an analytical laboratory.
• Practical gas chromatography experience, with the ability to apply chromatographic principles to laboratory problems.
• Hands‑on experience with LC-MS and/or GC-MS
• Experience developing, validating, verifying or running analytical methods and producing high‑quality data and reports.
• Ability to work independently, solve technical problems and manage analytical work to completion.
• Strong communication, project management and interpersonal skills.

Preferred Qualifications & Skills:

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

• Experience in quantitative trace analysis by MS
• Experience optimising and/or developing chromatographic and instrument methods
• Experience in risk assessment and mitigation of risk
• Experience in a regulated GMP laboratory

Location:

We are looking for the role to be based in Stevenage, supporting the Ware R&D site when required. 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 Ware. The location of this role will therefore subsequently change to Ware 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 – 8th October 2026 (COB)

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

Analytical Chemistry, Analytical Instrumentation, Analytical Laboratory, Analytical Method Development, Analytical Thinking, Automation Technology, Bioprocessing, Data Analysis Tools, Drug Development, Gas Chromatography (GC), Gas Chromatography-Mass Spectrometry (GC-MS), Laboratory Reports, Mass Spectrometry (MS), Matrix Leadership, Method Development, Technical Problem-Solving, Trace Analysis

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 [e-mail] where you can also request a call.

Please note that if you are a US Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, GSK may be required to capture and report expenses GSK incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure GSK’s compliance to all federal and state US Transparency requirements. For more information, please visit the Centers for Medicare and Medicaid Services (CMS) website at https://openpaymentsdata.cms.gov/