Principal Scientist, Drug Product Sterile Solutions

Job Title You will lead scientific work to develop safe, stable, and manufacturable drug product sterile solutions, including mAbs and oligonucleotides. Position Summary You will design and run studies, interpret results, and make clear recommendations. You will work closely with colleagues across science, regulatory, and supply teams. We value curiosity, clear communication, and a focus on patients. This role offers growth, real impact on development programs, and the chance to unite science, technology and talent to get ahead of disease together. Responsibilities This role will provide you the opportunity to lead key activities to progress your career. These responsibilities include some of the following: Design, plan and execute formulation and process development studies for sterile and complex drug products. Interpret experimental results and provide clear recommendations to project teams. Lead stability, compatibility, and container-closure assessments to support regulatory submissions. Prepare technical reports, study protocols, and documentation needed for product development and transfer. Work across functional teams and external partners to support scale-up, technology transfer, and launch readiness. Mentor colleagues, review data quality, and contribute to continuous improvement of lab practices. Opportunities to publish research and influence industry approaches. Basic Qualification We are seeking professionals with the following required skills and qualifications to help us achieve our goals: PhD in Pharmaceutics, Chemical Engineering, Biomedical Engineering, Chemistry, or related scientific discipline; or MS with 5+ years' relevant experience; or BS with 10+ years' relevant experience. Experience in formulation and process development for sterile or complex drug products. Experience designing and executing stability and compatibility studies. Strong data analysis skills and experience interpreting physicochemical and analytical results. Experience authoring technical reports and contributing to regulatory documentation. Preferred Qualification If you have the following characteristics, it would be a plus: Experience with biologics, oligonucleotides, or advanced delivery systems. Experience with container-closure integrity and primary packaging assessments. Experience with technology transfer and scale-up to manufacturing. Experience statistical design of experiments (DOE) and technical risk assessment methods. Experience contributing to regulatory submissions and responding to regulatory questions. Strong collaboration and influencing skills in matrix team environments. This role is hybrid (minimum two days onsite per week) with infrequent occasional travel. 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 LLP