Oligo Discovery Chemistry Principal Scientist

Business Introduction 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. Job Description The successful candidate will help to establish pre-clinical capabilities within GSK’s new oligo synthesis lab. Areas of focus are producing small molecules, lipids, and linkers for ASOs, siRNA, SSO, and RNA editors conjugates, discovery chemistry, and method development. Your expertise will enable us to solve complex chemical challenges, pushing the boundaries of what’s possible in oligonucleotide therapeutics. Responsibilities This role will provide YOU the opportunity to lead key activities to progress YOUR career. These responsibilities include some of the following: Establish pre-clinical oligonucleotide conjugation capabilities of ASOs, siRNA, SSO, and RNA editors with small molecules, lipids, linkers, and other conjugates with multistep synthesis from the milligram to gram scale. Perform hands-on work, establish small molecule, lipid, linker, and other synthetic workflows including designing structure activity relationship studies, implementing synthetic routes, and drafting SOPs in support of next generation chemistry and method development. Serve as the small molecule and lipid SME for the team, representing conjugates in various cross matrix meetings. Develop and maintain SOPs for synthesis, processing, and purification to ensure high-quality, reproducible results. Work with the oligo analytical and conjugate chemistry teams to ensure accountability and excellence in small molecule and lipid conjugate synthesis. Collaborate and communicate across various teams to build robust study designs and workflows, or leverage internal resources to deliver on portfolio endpoints. ​ Why You? Basic Qualification We are seeking professionals with the following required skills and qualifications to help us achieve our goals: PhD with 3+ years’ experience in chemistry, oligonucleotide synthesis, or chemical biology or related fields. 2+ years of industry experience in modern synthetic chemistry methods, particularly with small molecules, lipids, linkers, amidite synthesis, purification, and analysis. Experience with HPLC purification techniques such as reverse phase, size exclusion, ionic chromatography potentially using Agilent, Waters, or Cytiva ÄKTA Avant and Pure purification systems, and LC/MS analytics. Experience in lipid, PEG-lipid, sterol, dinucleotide, and amidite synthetic chemistry, and biological familiarity of RNA therapeutics (e.g. ASO, siRNA, SSO, RNA Editors, mRNA). Team-focused with strong initiative and ability to troubleshoot challenges and implement novel solutions. Prior experience with scientific and professional mentorship and project leadership. Preferred Qualification If you have the following characteristics, it would be a plus: Excellent written and verbal communication skills, attention to detail, organizational skills, and the ability to collaborate effectively with a team are required. Prior experience with oligonucleotide synthesis and nucleoside chemistry is desirable but not required. Demonstrable sense of urgency, flexibility, independence and accountability. Demonstrated ability to maintain a high level of integrity while balancing multiple priorities and responsibilities. Must be a committed team player prepared to work in and embrace a team-based culture. Working arrangement This role is fulltime on-site at our Cambridge MA offices. What we value in you We value curiosity, accountability, and respectful collaboration. We look for practical problem solvers who communicate clearly and act with scientific rigour. We welcome people with varied backgrounds and perspectives who will strengthen our inclusive team. How to apply If you are excited by this opportunity, please submit your CV and a short note describing what motivates you about this role. We look forward to learning how your skills and experience can help us get ahead of disease together. #LI-GSK • 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 $121,275 to $202,125. 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. Please visit GSK US Benefits Summary to learn more about the comprehensive benefits program GSK offers US employees. 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. 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