Senior Scientist, Parenteral Drug Product Development

About This Role Biogen is presently looking to fill a Senior Scientist position within its Parenteral Formulation and Drug Product Development group. The candidate will be responsible for formulation and process development activities of parenteral drug product programs to support Biogen’s growing pipeline. Candidate is expected to work collaboratively in a matrix environment with other members of the technical development team. The candidate must be motivated and innovative with exceptional analytical and communication skills.   What You’ll Do Design and execute formulation and process development studies supporting preclinical, clinical, and commercial drug product development. Lead development of sterile parenteral drug products, including formulation optimization, manufacturing process development, and technology transfer. Provide technical support during GMP manufacturing campaigns, engineering runs, process validation, PPQ, and commercial manufacturing. Lead studies supporting process characterization, process validation, manufacturing robustness, and lifecycle management. Collaborate closely with drug substance, analytical development, device engineering, manufacturing sciences, quality, regulatory, and external manufacturing organizations. Develop scientifically sound strategies for primary container closure systems, including vials, prefilled syringes, and other advanced delivery systems. Support selection, qualification, and compatibility assessment of manufacturing equipment, single-use systems, filters, and container closure systems. Prepare and coordinate drug product supply for nonclinical and clinical studies. Author technical reports, development protocols, validation protocols, regulatory submission documents, responses to health authority questions and contribute to global regulatory submissions.

Who You Are You have a strong understanding of parenteral drug product development and manufacturing. You are a collaborative and scientifically curious professional who enjoys solving complex technical challenges and advancing innovative therapies. You thrive in a fast-paced, matrixed environment where you can independently drive development activities while partnering across functions to achieve shared goals. You communicate effectively, exercise sound scientific judgment, and are motivated by delivering high-quality solutions that support the development of novel parenteral drug products. Your adaptability, initiative, and commitment to excellence make you a valuable contributor to a growing and evolving development organization.

Requirements: Ph.D. in Chemical Engineering, Materials Science, Pharmaceutical Sciences, Pharmaceutics, Analytical Chemistry or related fields with 4+ years of experience in pharmaceutical or biotech settings. OR M.S. degree with 8+ years of relevant experience OR B.S. degree with 10+ years of relevant experience   Required Skills: Demonstrated experience with sterile drug product development and parenteral formulations preferably with hands-on experience with oligonucleotide, peptide, antibody, or conjugated therapeutics. Strong understanding of drug product manufacturing process operations including mixing, sterile filtration, aseptic filling, lyophilization, and container closure systems. Prior experience working in a biopharmaceutical product development environment or working with CDMOs and familiarity with GMP guidelines. Experience conducting technical risk assessments using quality-by-design principles. Experience with process validation, PPQ, engineering batches, technology transfer, and authoring technical reports, validation documents, and regulatory submissions including IND, IMPD, NDA and responses to health authority’s questions. Experience in analytical and characterization techniques used for characterization of sterile drug products. Demonstrated ability to independently lead technical initiatives, solve complex