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Regeneron Pharmaceuticals · East Greenbush

# Principal External Manufacturing Specialist, Drug Product

East Greenbush Senior individual contributor $78,700.00 - $150,600.00 Manufacturing & Production 

Listed on Regeneron Pharmaceuticals’s official careers site. Posted October 30, 2026. Check that it is still open and apply there.
[Apply on Regeneron Pharmaceuticals’s careers site →](https://careers.regeneron.com/en/jobs/r48036/principal-external-manufacturing-specialist-drug-product/)

[OpenNash Jobs](https://jobs.opennash.com/) / [Regeneron Pharmaceuticals](https://jobs.opennash.com/companies/regeneron-pharmaceuticals/) / Principal External Manufacturing Specialist, Drug Product

## Job description

### Build our future together

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking to fill multiple External Manufacturing Specialist positions at the Principal or Senior level. The Senior/Principal External Manufacturing Specialist oversees all aspects of external manufacturing contract manufacturing operations (filling, assembly, packaging) including day-to-day operations, ensuring timely completion of associated operations/documentation and assisting in the monitoring of cGMP compliance.

Additionally, the role provides guidance to other specialists as well as consults with management on all contract manufacturing operations and GMP compliance issues.

### Location
- East Greenbush, New York, United States

### Work model
- Monday-Friday, 8am-4:30pm

### Travel
- up to 25%

### Discover your role
- Serves as a Regeneron operational contact for contract manufacturing and/or business partner sites concerning day-to-day activities.
- Coordinates external manufacturing activities at contract and/or business partner sites, including but not limited to: scheduling of all batches, supply of materials, providing direction on shipment of bulk or finished product, tracking and monitoring of cycle times, providing supporting documentation for manufacturing activities and enlisting support from others who will provide any required associated reports and technical expertise.
- Coordinates/oversees multiple external manufacturing activities at multiple sites, as required.
- Liaises between various departments within Regeneron including, but not limited to Quality Control, Quality Assurance, Supply Chain, Operations/Logistics Departments, Legal, Regulatory, Strategic Sourcing and contract manufacturers or business partners.
- Leads sub-teams in continuous process improvements, system/equipment implementation and/or strategy development.
- Leads or supports all investigations which concern external manufacturing and associated shipping operations.
- Ensures product integrity and company reputation monitoring of cGMP compliance at external manufacturing contract manufacturers and business partners.
- Performs reviews of pre-production master batch records and executed batch records.
- Authors documents and procedures.
- Supports audit operations, both internal and external.
- Analyzes data for trends and potential issues.
- Travels 25% (target) or more (domestic and international), as required.

### This role requires
- BS/BA in a scientific discipline and the following years of experience in cGMP manufacturing operations (clinical and/or commercial external manufacturing), including experience collaborating with CMOs/CROs, or equivalent combination of education and experience, for each level:
- Senior Specialist - 5+ years
- Principal Specialist - 8+ years
- Level will be determined based on experience
- Knowledge of external manufacturing from formulation through the final package.
- Knowledge of regulatory compliance inclusive of cGMP, FDA regulations, familiarity with ICH guidelines and EU regulations.
- Proficient in Excel, PowerPoint, Visio, Word, Oracle etc. in addition to experience working within shared work environments.
- Strong interpersonal, written and oral communication skills.
- Confidence, has a high emotional IQ, and has strong interpersonal, written and oral communication skills for providing team updates.
- Ability to impart understanding of provided instructions, develop instructions and sets and works towards goals with minimal supervision.
- A degree of ingenuity, creativity and resourcefulness in evolving and ambiguous environments.
- Resiliency and flexibility in the face of challenges and adversarial situations.
- Understanding and listening to team members and stakeholders needs while supporting productive team environments toward a common objective.

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 [https://careers.regeneron.com/en/working-at-regeneron/total-rewards/](https://careers.regeneron.com/en/working-at-regeneron/total-rewards/). 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)

$78,700.00 - $150,600.00

## At a glance
- Posted by the employer: Oct 30, 2026
- First seen by OpenNash: Nov 2, 2026
- Last checked: Nov 2, 2026
- Listed for: 3 days
- Location: East Greenbush
- Pay: $78,700.00 - $150,600.00[Apply on Regeneron Pharmaceuticals’s careers site →](https://careers.regeneron.com/en/jobs/r48036/principal-external-manufacturing-specialist-drug-product/)

## Hiring at Regeneron Pharmaceuticals
- Open jobs: 866
- New in the last 7 days: After two weekly collections
- Tracked since: Jul 15, 2026

[All Regeneron Pharmaceuticals jobs](https://jobs.opennash.com/companies/regeneron-pharmaceuticals/) · [Weekly hiring report](/reports/hiring/)

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