Associate Scientist, Protein Expression Sciences 2

Company: Regeneron Pharmaceuticals, Inc.
Location: Tarrytown
Posted on: January 6, 2026

Job Description:

We are seeking an Associate Scientist to join the Protein Expression Sciences team. In this role, you will be responsible for generating manufacturing grade clinical cell lines for production of therapeutic antibodies to support the Regeneron pipeline. In this role, a typical day may include: Applying innovative mammalian expression technologies to generate regulatory compliant stable cell lines Performing techniques such as aseptic cell culture handling and transfection of cell lines Performing of flow cytometry assays and operating liquid handler platforms (Hamilton, Lynx) to analyze stable cell lines Performing general molecular biology and protein biochemistry techniques e.g., PCR, RT-PCR, plasmid sub-cloning, isolation of genomic DNA and RNA from CHO cells, SDS-PAGE, western blotting Accurately and consistently recording experimental methods, materials, and results in electronic laboratory notebooks This role may be for you if you: Have excellent oral and written communication skills and exhibit meticulous attention to detail Enjoy working in a fast-paced environment Are eager to learn and implement new techniques, and work as a team to facilitate development of antibody therapeutics This role requires a BS or MS in a scientific field with 0-3 years of proven experience. We are looking for someone with hands-on technical experience in performing general molecular biology and protein biochemistry techniques e.g., PCR, RT-PCR, plasmid sub-cloning, isolation of genomic DNA and RNA from CHO cells, SDS- PAGE, western blotting. Knowledge of flow cytometry is helpful, but training can be provided if necessary. Experience with functional assays (ELISA, ELISPOT) and molecular biology techniques (DNA/RNA/qRT-PCR, cloning) is a plus. Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We have an inclusive culture that provides comprehensive benefits, which vary by location. In the U.S., benefits may include health and wellness programs (including medical, dental, vision, life, and disability insurance), fitness centers, 401(k) company match, family support benefits, equity awards, annual bonuses, paid time off, and paid leaves (e.g., military and parental leave) for eligible employees at all levels! For additional information about Regeneron benefits in the US, please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other countries specific benefits, please speak to your recruiter. Please be advised that at Regeneron, we believe we are most successful and work best when we are together. For that reason, many of Regenerons roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regenerons on-site policy and expectations for your role and your location. 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, nationality, national or ethnic origin, civil status, age, citizenship status, membership of the Traveler community, sexual orientation, disability, genetic information, familial status, marital or registered civil partnership status, pregnancy or parental status, gender identity, gender reassignment, military or veteran status, or any other protected characteristic in accordance with applicable laws and regulations. The Company will also provide reasonable accommodation to the known disabilities or chronic illnesses of an otherwise qualified applicant for employment, unless the accommodation would impose undue hardship on the operation of the Company's business. For roles in which the hired candidate will be working in the U.S., the salary ranges provided are shown in accordance with U.S. law and apply to U.S.-based positions. For roles which will be based in Japan and/or Canada, the salary ranges are shown in accordance with the applicable local law and currency. If you are outside the U.S, Japan or Canada, please speak with your recruiter about salaries and benefits in your location. Please note that certain background checks will form part of the recruitment process. Background checks will be conducted in accordance with the law of the country where the position is based, including the type of background checks conducted. The purpose of carrying out such checks is for Regeneron to verify certain information regarding a candidate prior to the commencement of employment such as identity, right to work, educational qualifications etc. Salary Range (annually) $70,300.00 - $110,100.00

Keywords: Regeneron Pharmaceuticals, Inc., East Brunswick , Associate Scientist, Protein Expression Sciences 2, Science, Research & Development , Tarrytown, New Jersey