Principal Scientist, Upstream Development

Job Description USA - New Jersey - Rahway The Biologics Process Research & Development organization within our Company Research Labs is responsible for developing the drug substance manufacturing processes for our Company's biologics pipeline. We work closely with colleagues in Discovery, Pre-clinical and Early Development to rapidly develop manufacturing processes for biotherapeutics and efficiently manufacture material to supply clinical trials. We are also responsible for commercial process development and implementation of new manufacturing technologies. We work with our partners in our Company Manufacturing Division to commercialize and launch new products. We are seeking a highly motivated and experienced individual to join our Upstream Development Department as a Principal Scientist. In this role, the successful candidate will work closely with scientists in the Upstream Development Department to develop and refine technical strategy related to next generation processing for assets in early‑ and late‑stage clinical development. Applicants must have effective organizational and multi‑tasking skills, demonstrated excellent scientific leadership, and superior written and oral communication abilities. A track record of leveraging data science and digital tools for delivering impactful solutions to complex problems is distinguishing. Evidence of strong cross‑functional collaboration, experience successfully mentoring junior scientists, leading projects, and strong external presence through scientific excellence are expected. Responsibilities The successful candidate will contribute to CMC development of our Company's pipeline, playing an active role in development of cell culture processes and transfer to clinical and commercial manufacturing sites. She/He will also develop strategies for process and pipeline‑facing innovation. Leading biologic upstream process development for first‑in‑human and commercial processes by efficiently developing high yield, robust and scalable cell culture processes. Providing technical direction for process development, characterization, commercialization, and regulatory filing activities to ensure a smooth and clear path to successful PPQs and BLAs for our company pipeline. Advancing upstream platform process technical strategy and championing creative process improvement initiatives. Initiating new collaborations to assess new technologies and industry strategies with relevance to our Company. Collaborating with academia, industry partners, and vendors to drive development, innovation and adoption of new process technologies with broad impact to projects or platform. Keeping up to date with the external patent and literature environment; actively presenting and publishing externally and pursuing patenting strategies. Supervising, coaching and educating junior scientists. Minimum Education Required Ph.D. with 8+ years of industry experience, Master with 10+ years industry experience, bachelor’s with 14+ years industry in Chemical Engineering, Bioengineering, Biochemistry or a related field. Required Experience and Skills Proven record of accomplishments in upstream process and technology development with a strong scientific publication and presentation track record. Experience in CHO fed‑batch cell culture and a working understanding of downstream & analytics. Understanding and hands‑on experience on cell culture bioreactors including microbioreactors, bench‑scale and pilot‑scale bioreactors, and scaleup/tech transfer activities. Working knowledge of cell culture media, CHO cell biology and metabolism, DOE statistics and computational fluid dynamics. Ability to direct the planning, execution, analysis, and documentation of all stages of cell culture process development. Ability to work in a matrixed team environment and collaborate with both internal and external partners including vendors. Knowledge of biologics CMC development cycle. Demonstrated ability for taking initiative, creativity, and innovation in problem solving. Demonstrated ability to develop staff to maximize utilization of talent and actively guide career development; build strong and collaborative teams. Preferred Experience and Skills Experience with state‑of‑the‑art cell culture processes including intensified inoculum and perfusion process development. Experience with early‑ and late‑stage commercial process development, technology transfer, scale‑down model qualification and process characterization. Experience with high throughput microbioreactor systems, and advanced in situ analytics for process monitoring and control. Expertise in media development, media/solution chemistry. Background in data science approaches related to cell culture and predictive modeling e.g., metabolic flux analysis (MFA), omics, machine learning; experience integrating PAT efforts and computational fluid dynamics (CFD). Experience leading cross‑functional, program development teams. Required Skills Adaptability, Biodesign, Cell Culture Process Development, Cell Cultures, Cell Line Development, Chemical Engineering, Clinical Supplies Management, Clinical Trials, Combination Products, Computational Fluid Dynamics (CFD), Data Analysis, Finite Element Analysis (FEA), Flux Analysis, Immunochemistry, Innovative Thinking, Leadership Mentoring, Mammalian Cell Culture, Manufacturing Processes, Media Development, Pharmaceutical Process Development, Professional Collaboration, Professional Networking, Quality by Design, Regulatory Filings. Benefits and Compensation Salary range: $173,200.00 – $272,600.00. This range represents the lowest to highest compensation we are willing to offer for this role based on relevant education, qualifications, experience, and other factors. The successful candidate will be eligible for an annual bonus and long‑term incentive, if applicable. We offer a comprehensive package of benefits, including medical, dental, vision, and other health insurance coverage (for employee and family), retirement benefits including a 401(k) match, paid holidays, vacation, and compassionate and sick days. EEO Statement As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics. As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities. For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit EEOC Know Your Rights. We are proud to be a company that embraces the value of bringing together talented and committed people with diverse experiences, perspectives, skills, and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another's thinking and approach problems collectively. Applicant Eligibility US and Puerto Rico Residents Only. Employment Details Employee Status: Regular Relocation: Domestic VISA Sponsorship: Yes Travel Requirements: 10% Flexible Work Arrangements: Not Applicable Shift: Not Indicated Valid Driving License: No Hazardous Material(s): n/a Job Posting End Date: 06/20/2026 Requisition ID: R399009 #J-18808-Ljbffr