Associate Scientist, Biologics Characterization

Regeneron is seeking a highly motivated and passionate Associate Scientist to join our Protein Biochemistry team. In this exciting role, you will play a critical part in implementing innovative biophysical assessment strategies to support a wide range of drug candidate modalities.

A Typical Day in the Role Might Look Like:

• With supervisory direction and support, conducts biochemical and biophysical characterization experiments on therapeutic protein for late-stage development and regulatory submissions.
• Provide input on experimental design and suggest modifications in protocols or methods to meet the needs of a particular program or molecule.
• Will take on additional responsibilities in advanced method development to support efforts to enrich and characterize size/charge variants, protein-ligand complexes, and high concentration protein solutions of therapeutic protein drug candidates.
• Documents experiments, results and findings in electronic laboratory notebook in a timely manner; presents work at group and department meetings; contributes to drafting of protocols, method development reports, regulatory submission sections, and peer-reviewed articles for publication.
• Maintain instruments, troubleshoot instrumental/experimental problems, and order/maintain supplies. Keen to follow procedures, guidance, and best practices for lab safety.

This Role Might Be For You If:

• You have initiative and drive to complete meaningful tasks and learn new technologies.
• You can work both independently and within a team environment on projects simultaneously
• You contribute to lab equipment maintenance and safety to help create a safe, effective and efficient working environment.
• You possess strong organizational, communication, analytical, computer, and technical writing skills.

This role requires a BS/MS in Biochemistry/Biophysics, or related field plus 0-3 yrs+ experience. Technical proficiency in automated FPLC and/or HPLC (SEC, IEX, affinity), electrophoresis (capillary or microchip, SDS-PAGE, western blots), spectroscopy and light scattering is recommended. A fundamental understanding of protein structure/function, protein-protein interaction and general biochemistry preferred. Preference will be given to candidates who have experience working in the biopharmaceutical industry. Excellent oral and written communication skills and evidence of teamwork are required.

The ideal candidate must have strong initiative to complete tasks, learn new technologies, and demonstrate a commitment to continuous learning. This role requires the ability to manage multiple priorities in a fast‑moving R&D environment, operate effectively both independently and within a collaborative team environment, and communicate clearly, transparently, and in a timely manner with key stakeholders.

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 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 Regeneron’s roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about Regeneron’s 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)