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Regeneron Pharmaceuticals · Tarrytown

# 2027 Co-op Downstream Purification, Analytics, & Bioconjugate Process Development

Tarrytown Early career $17.90-$50.90 per hour Data & Analytics 

Listed on Regeneron Pharmaceuticals’s official careers site. Listed as of October 19, 2026. Check that it is still open and apply there.
[Apply on Regeneron Pharmaceuticals’s careers site →](https://careers.regeneron.com/en/jobs/r51018/2027-co-op-downstream-purification-analytics-bioconjugate-process-development/)

[OpenNash Jobs](https://jobs.opennash.com/) / [Regeneron Pharmaceuticals](https://jobs.opennash.com/companies/regeneron-pharmaceuticals/) / 2027 Co-op Downstream Purification, Analytics, & Bioconjugate Process Development

## Job description

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. Regeneron is currently seeking multiple 2027 Co-ops in Downstream Purification & Bioconjugate Process Development to join our Preclinical Manufacturing and Process Development (PMPD) team, which develops the manufacturing processes used to scale up and produce Regeneron's medicines.

These positions offer the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.

### Location

Tarrytown, NY

### Timeframe

Our Co-op positions are full-time and onsite from January-August (Spring-Summer), May/June-December (Summer-Fall), and August-December (Fall).

### Pay

Intern and Co-op pay ranges are determined by level of education (year in school) and degree program.

The hourly rate range for these locations is: $17.90-$50.90 per hour.

### What you’ll do
- Support the purification of medicines using chromatography, filtration, and resin-development techniques
- Develop and qualify new analytical resins and liquid chromatography methods used to evaluate process impurities
- Contribute to chemistry work used to attach drug payloads to antibodies and characterize resulting impurities
- Run small-scale lab experiments to evaluate purification process performance
- Analyze historical process data to identify trends and improvement opportunities
- Collaborate with process scientists and engineers to solve purification challenges
- Document experimental results and contribute to technical reports
- Present findings to the broader development team

### Relevant majors

Chemical/Biochemical Engineering, Biochemistry, Biological Sciences

### Let’s find out if we’re a fit
- Must be enrolled in, or accepted to, an academic program pursuing an Undergraduate or Graduate degree (and be returning to school the semester following the position or graduating after the position)
- Must be able to commit to 40 hours per week from January-August, May/June-December, or August-December
- Demonstrated leadership in areas such as campus activities, clubs, sports, current or previous work, or within the community preferred
- Cumulative GPA of 3.0 or higher preferred

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.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 12, 2026
- Last checked: Oct 19, 2026
- Listed for: 7 days
- Location: Tarrytown
- Pay: $17.90-$50.90 per hour[Apply on Regeneron Pharmaceuticals’s careers site →](https://careers.regeneron.com/en/jobs/r51018/2027-co-op-downstream-purification-analytics-bioconjugate-process-development/)

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