Principal Quality Control Scientist

We are seeking an experienced and motivated Principal Quality Control Scientist to join our dynamic team. In this role, you will lead key initiatives in assay development, characterization, optimization, transfer, validation, and investigations, making a significant impact on our commercial Quality Control laboratory operations. You will be an integral part of a fast-paced, collaborative environment, focusing on the highest standards of quality and compliance.

A typical day might include:

• Designing and executing experimental plans to troubleshoot and resolve complex technical issues.
• Reviewing and authoring detailed technical reports, performing advanced data analysis, and presenting findings.
• Evaluating method qualifications and validations for their suitability in routine operations and contributing to health authority submissions.
• Monitoring routine testing performance, identifying trends, and recommending improvements to enhance efficiency and reliability.
• Performing and reviewing routine testing as needed to support Quality Control lab operations.

This role may be for you if:

• You have extensive hands-on experience with Gel Electrophoresis, PCR, and ELISA techniques.
• You excel in critical thinking and problem-solving, with a proven track record of resolving technical challenges.

• You have experience in assay development, validation, and troubleshooting within a Quality Control laboratory setting.

• You thrive in a fast-paced environment, adapting quickly to changing priorities while maintaining attention to detail.

To be considered for this position you must have a BS in Biochemistry, Biology, Chemistry, or a related field with 8+ years of relevant experience. A PhD is strongly preferred.

Level will be determined based on relevant experience.

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)