Senior Associate Scientist, Analytical Operations

Responsibilities

• Support biologics analytical development through method development, assay optimization, and laboratory investigations.
• Perform hands-on experimental work in the laboratory, including the analysis of in-process samples, drug substances, and drug products.
• Utilize analytical techniques such as HPLC, UV-Vis, ELISA, and qPCR to support project goals.
• Lead internal and external laboratory investigations using compendial methods (USP, Ph. Eur., JP).
• Review development and QC analytical data to ensure compliance with test methods, specifications, and protocols.
• Author, revise, and review analytical methods, specifications, protocols, and technical reports.
• Troubleshoot instrumentation and testing anomalies while driving continuous improvement in laboratory processes.
• Collaborate with cross-functional project teams and advise on global requirements.

Requirements

• Bachelor's degree in Chemistry or Biochemistry with 5+ years of experience in compendial, protein content, and impurity methods, OR
• Master's degree in Chemistry or Biochemistry with 3+ years of experience in compendial, protein content, and impurity methods.
• Strong technical proficiency in laboratory techniques and scientific investigation.
• Excellent verbal and written communication skills for effective cross-functional collaboration.

Preferred Qualifications

• Proficiency with analytical techniques including HPLC/UPLC, UV-Vis, SoloVPE, and osmolality.
• Experience with plate-based assays such as ELISA (residual host cell protein, protein A) and qPCR (residual DNA).
• Working knowledge of GMP, GLP, or GxP environments.
• Experience with physicochemical methods including pH, turbidity, and water content.

About the Company

Gilead Sciences is a research-based biopharmaceutical company that has tackled diseases such as HIV, viral hepatitis, COVID-19, and cancer for more than 35 years. We are dedicated to developing life-changing therapies and ensuring global access to improve the lives of patients everywhere.