Job description Site Name: UK - Hertfordshire - Ware, Aranda, Belgium-Wavre, Evreux, GSK HQ, USA - North Carolina - Durham, USA - Pennsylvania - King of Prussia, Waltham Posted Date: Feb 23 2026 Molecule Steward (Senior Director) - Inhalation Products Business Introduction We manufacture and supply reliable, high-quality medicines and vaccines to meet patients’ needs and drive our performance. Our network of 37 medicines and vaccines manufacturing sites delivered 1.7 billion packs of medicines and 409 million vaccine doses in 2024 to help make a positive impact on the health of millions of people. Our supply chain is not just core to our operations; it’s vital to bringing our innovations to patients as quickly, efficiently and effectively as possible. Technology is transforming how we manufacture medicines and vaccines, enabling us to increase the speed, quality and scale of product supply. We need the very best minds and capability to help us on our journey to make more complex products, harnessing the power of smart manufacturing technologies including robotics, digital solutions and artificial intelligence to deliver for patients. Position Summary The Molecule Steward (Sr Director) is the single point of end-to-end technical accountability for a portfolio of inhalation products, including DS, DP, inspection, assembly, packing and related support activities, providing strategic technical leadership to ensure successful new product introduction, and improvements across the lifecycle (e.g. quality, robustness and productivity). The Molecule Steward (Sr Director) is aligned to a new asset at Commit to Commercial Design with responsibility for representing MSAT in the development of the Product Control Strategy. When the product transfers to GSC accountability, the Molecule Steward co-ordinates Drug Substance, Drug Product, Analytical Strategy and Device Lead to maintain the Product Control Strategy and ensure the product is maintained in the desired state of control through product lifecycle. The Molecule Steward (Sr Director) is responsible for developing and delivering the technical elements of the GSC strategy for inhalation products with the GSC Strategic Lead. The Molecule Steward (Sr Director) will be the recognised expert in inhalation products and in addition to strategic technical leadership, the role will be expected to provide deep technical expertise where required to ensure highest levels of quality and robustness. Responsibilities Responsible for defining and owning the technical strategy through a product’s lifecycle including (non-exhaustive list): product transfers R&D to GSK sites/ External manufacturing sites & Site to Site (both GSK sites and external manufacturing sites), Product Performance Qualification and Ongoing Continuous Process Verification, leading Product Technical Lifecycle Team (PTLT) and yearly Manufacturing Robustness Review Board meetings (MRRB) to ensure risks are identified, escalated, mitigated and resolved ensuring alignment and consistency across supply nodes. Accountable for developing and delivering the Technical Lifecycle Plan (TLCP) including major geographical expansion requiring additional CMC activities on top of wave 1, new technologies and second-generation programs impacting the manufacturing process, analytical process, pack, device, and associated specifications. Ensures that product history and knowledge from development through the product’s lifecycle is maintained and aligns with knowledge management standards for the product or dose form within the GSC network. Molecule steward is contributing as key inputter for process history file (PHF) reviewer and approver (if applicable). Providing technical leadership and subject matter expertise where required for multi-site investigations and/or critical deviations, troubleshooting, and major change programmes across supply nodes. Stays current and maintains solid knowledge and understanding of complex scientific subject matter as well as evolving regulatory policies and guidelines and industry best practices. Responsible for co-ordinating the technical review of regulatory submissions and responses to technical questions across MSAT, ensuring review by appropriate SME’s and sites (if required). Representing MSAT, providing an MSAT single point accountable decision maker for GSC strategic team, CMC team, for established and new products, ensuring that a product control strategy is defined and main Must develop and manage strong collaborations with technical staff across the Supply Chain sites, MSAT & R&D and maintain and develop technical talent through mentoring across network, with effective and clear communication on highly technical topics. Must be able to manage stakeholders effectively. Demonstrated knowledge of risk management approaches. Qualifications/Skills Basic Qualifications: Advanced degree in life sciences, pharmaceutical sciences, biochemical engineering or a related field. PhD preferred. Extensive years of experience in small molecules inhaled product development, analytical development or related area. Proven experience in molecule stewardship, quality or formulation support across preclinical and clinical stages. Track record of leading cross-functional teams and driving technical decisions. Comprehensive knowledge of external regulatory requirements (FDA, EMA, MHRA, PMDA, etc.), and internal/external quality and safety requirements. Experienced in technology transfer, with an understanding of the product development process Knowledge of current and emerging Regulatory Strategies (e.g. Quality by Design, GMP for 21st century, ICH Q7, Q8, Q9, Q10) and Product Lifecycle Management. Project management and prioritization skills gained within a complex matrix. Track record of improving products, processes and troubleshooting, execution of technical activities including trials and validation activities Excellent problem solver and ability to think and work creatively. Demonstrated experience leading technical aspects of investigations Demonstrated experience in the pharmaceutical industry in leading the technical aspects of Product Lifecycle Management. Demonstrated knowledge of Quality by Design and risk management approaches Strong technical acumen and communication, influencing skills with the ability to articulate complex, technical details to stakeholders and enable cross functional collaboration across sites, supply chain, R&D and suppliers. Exceptional stakeholder management skills Able to lead and operate in an environment with high degree of change and uncertainty Preferred Qualifications: Strong communication skills in English and experience presenting technical information to diverse audiences. Experience using risk-based approaches and project management tools. Knowledge of global regulatory pathways for clinical development. Comfort working in matrixed and cross-cultural teams. Work Location: This role is based in the United Kingdom (GSK HQ, London or Ware) / Wavre, Belgium / Aranda, Spain / Evreux, France / Upper Merion PA, Waltham MA or Durham NC and offers a hybrid working model, combining on-site and remote work. Closing Date for Applications: 9th March 2026 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. Li-Hybrid • If you are based in Cambridge, MA; Waltham, MA; Rockville, MD; or San Francisco, CA, the annual base salary for new hires in this position ranges $220,275 to $367,125. The US salary ranges take into account a number of factors including work location within the US market, the candidate’s skills, experience, education level and the market rate for the role. In addition, this position offers an annual bonus and eligibility to participate in our share based long term incentive program which is dependent on the level of the role. Available benefits include health care and other insurance benefits (for employee and family), retirement benefits, paid holidays, vacation, and paid caregiver/parental and medical leave. If salary ranges are not displayed in the job posting for a specific country, the relevant compensation will be discussed during the recruitment process. 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. 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