Senior Scientist - Protein Expression Sciences (Antibody Discovery)

We are seeking a highly motivated Senior Scientist to join our Antibody Discovery team within the Protein Expression Sciences department. This role is at the forefront of early therapeutic discovery, where you will drive ongoing programs and analyze complex datasets to enable the selection of next-generation therapeutic antibodies. The ideal candidate will thrive in a collaborative, cross-functional environment and will coordinate screening campaigns, interpret high-throughput data across multiple concurrent projects, and clearly communicate key findings to internal stakeholders. Strong analytical skills, attention to detail, and the ability to translate data into actionable insights are essential for success in this role. As a Senior Scientist, a typical day may include: Managing multiple projects simultaneously within a cross-functional team environment Establishing and communicating timelines across research teams, both within and outside the department Analyzing primary screening data using a variety of software tools and selecting antibodies with desired functional properties Ensuring accurate and complete capture of experimental data in internal databases and repositories Presenting results from antibody discovery campaigns to team members, cross-functional partners, and senior leadership Staying current with scientific advances in the field and contributing to team strategy Mining and summarizing data to support process improvements and enhance discovery pipelines This role may be for you if you: Enjoy working in a high-throughput environment focused on discovering innovative therapies for serious medical conditions Bring a collaborative, agile mindset and leverage technology creatively to accelerate drug discovery Have experience using modern data analysis and visualization tools (e.g., advanced Excel, GraphPad Prism, Spotfire, Power BI, or similar platforms) to explore datasets, generate insights, and communicate results Have familiarity with basic scripting or automation tools (e.g., Python, R, or workflow tools), which is a plus but not required Demonstrate strong project management, analytical, and organizational skills Have experience with laboratory automation and data management systems (e.g., LIMS), which is a plus Possess a strong publication record in peer-reviewed journals (preferred) Requirements: Ph.D. in Molecular Biology, Cellular Biology, Biochemistry, Immunology, or a related field with 2–4 years of relevant experience. Additional qualifications: Working knowledge of immunology, including antibody generation, structure, and characterization (strongly preferred) Proven experience analyzing large datasets and synthesizing results into clear conclusions Experience with multi-well assays used in drug screening and high-throughput data analysis (preferred) Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship. Where necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter. Please be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed on‑site. Please speak with your recruiter and hiring manager for more information about on‑site expectations for your role and location. As part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications. For jobs in Canada: this posting is for an existing position. Salary Range (annually) $109,900.00 - $179,300.00 Regeneron is a leading biotechnology company that invents life-transforming medicines for people with serious diseases. Founded and led for over 30 years by physician-scientists, our unique ability to repeatedly and consistently translate science into medicine has led to nine FDA-approved treatments and numerous product candidates in development, almost all of which were homegrown in our laboratories. Our medicines and pipeline are designed to help patients with eye diseases, allergic and inflammatory diseases, cancer, cardiovascular and metabolic diseases, neurology, infectious diseases and rare diseases. Regeneron is also proud of award winning culture of innovation, being recognized as a Great Place to Work in 2021, Fast Company’s Best Workplace for Innovators in 2020, and Forbes JUST companies in 2020, among others.