Senior Associate Scientist - Protein Development

About the Role

Join our Protein Reagents Group within the Therapeutic Proteins department at Regeneron, supporting ongoing programs by purifying and biochemically characterizing protein reagents and antibodies. You'll work in a fast-paced, collaborative lab environment, ensuring high-quality outputs and clear, timely communication of results. This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.

Responsibilities

• Purifies protein reagents and antibodies using standard chromatography platforms and automated systems
• Performs purification and analytical chromatography, including affinity, ion-exchange (IEX), hydrophobic interaction (HIC), and size-exclusion (SEC)
• Characterizes proteins using Western blotting, SDS-PAGE, SEC, and UV/Vis spectrophotometry
• Enters, analyzes, and documents data in Benchling; prepares presentations and summaries for team review
• Communicates findings clearly and concisely to managers and cross-functional partners

Requirements

• BS or MS in biology, molecular biology, protein chemistry, chemical engineering, chemistry, or a related field
• 2–4 years of relevant laboratory experience (industry or academic)
• Proficiency in protein characterization techniques (e.g., Western blot, SDS-PAGE, SEC, spectrophotometry)
• Strong foundation in protein chemistry
• Excellent organizational, verbal, and written communication skills

Preferred Qualifications

• Experience operating KTA or comparable chromatography systems and associated software
• Familiarity with method development and troubleshooting across affinity, IEX, HIC, and SEC workflows
• Proficiency with Benchling and data analysis/visualization tools (e.g., Excel, GraphPad Prism)
• Experience preparing technical presentations and contributing to cross-functional project discussions

Skills

• Detail-oriented with strong documentation practices
• Productive and proactive in a fast-paced, collaborative environment
• Problem-solver with a continuous improvement mindset
• Strong time management with the ability to handle multiple priorities

Tools & Technologies

The following are a plus:

• AKTA/Unicorn or similar chromatography platforms
• Benchling and ELN systems
• UV/Vis spectrophotometers, SEC systems, gel imaging platforms

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
• Family support benefits

Pay

Salary Range (annually): $80,300.00 - $131,100.00

Schedule

This is an on-site position located in Tarrytown, NY.