Demo

Sr Scientist, Bispecifics and Antibody Engineering

BioSpace
Tarrytown, NY Full Time
POSTED ON 5/2/2026
AVAILABLE BEFORE 5/30/2026
We are seeking a motivated and result-driven Sr. Scientist to join our fast-paced and innovative Antibody Engineering team of Bispecifics and Antibody Engineering Department. You will be part of a group of diverse talents responsible for designing, producing, and characterizing novel next-gen antibody and protein therapeutics across multiple therapeutic areas, including obesity & muscle metabolism, connective tissue diseases, and immunology/inflammation, at Regeneron. This position will directly impact both pipeline advancement and innovative platform development at this exciting time, as significant advances in antibody engineering have already propelled approvals of multiple next-gen antibody-based therapies in many indications.

As a Sr. Scientist, a typical day may include the following:

  • Independently design and construct novel bispecific or multi-specific antibodies.
  • Express (transfect), purify, and characterize novel antibodies.
  • Develop and perform in vitro high-throughput biochemical and cell-based assays (ELISA, flow cytometry binding, reporter assay, AlphaLISA, receptor degradation assay)
  • Apply molecular biology techniques (cloning, PCR, SDS-PAGE, Western blotting) for DNA and protein generation and characterization.
  • Analyze data, troubleshoot experiments, provide accurate presentations to the management and communicate results in multi-functional team and department meetings.
  • Ability and enthusiasm for independently learning new methods and software.
  • Maintain up-to-date data analysis, Benchling database, and a timely record of the electronic notebook (ELN)


This Role May Be For You If

  • You enjoy working in a highly collaborative and fast-paced environment
  • You have a desire to learn new skills and advance your career in a cutting-edge environment
  • You have strong communication and presentation skills


To be considered for this role, you must have: a PhD in biology, molecular biology, biochemistry, cell biology, or immunology. We need someone with expertise in cell culture, flow cytometry /FACS, and Bioassays. Experience with cell-free expression, high-throughput bioassays, protein purification, and/or molecular biology is preferred, but we are willing to train. You should have experience designing well-controlled experiments that yield reliable results, and be able to analyze data and draw conclusions. You will help support the increasing and exciting unmet demand for the design, production, and functional characterization of novel bispecific or multispecific antibody projects.

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)

$109,900.00 - $179,300.00

Salary : $109,900 - $179,300

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