Senior Associate Scientist, Analytical Operations
Gilead Sciences
August 20, 2026
On-site
San Francisco Bay Area
Operations
Location: Foster City, CA (Gilead corporate HQ)
Key Responsibilities:
- Contribute to compendial (USP/Ph. Eur./JP), protein content, and impurity method development/optimization for biotherapeutics (including ELISA, qPCR, plate-based assays).
- Perform hands-on lab work and analyze in-process samples, drug substances, and drug products using HPLC, UV-Vis, SoloVPE, water content, osmolality, appearance, turbidity, and pH.
- Lead internal/external lab investigations using compendial methods.
- Review development/QC analytical data; advise project teams on global requirements; collaborate with QC on verification/troubleshooting.
- Troubleshoot instrumentation/testing anomalies; train analysts; drive continuous improvement.
Knowledge, Experience, and Skills:
- Good verbal/technical communication and interpersonal skills; collaborative in cross-functional, multidisciplinary teams.
- Independent judgment; recognize anomalous/inconsistent results and interpret outcomes.
- Technical proficiency and scientific creativity in experimental design.
Required:
- BS in Chemistry/Biochemistry with 5+ years’ compendial, protein content, and impurity method experience OR MS with 3+ years.
Preferred:
- Experience with appearance, pH, turbidity, water content, spectroscopy/absorbance (SoloVPE/UV-Vis), HPLC/UPLC, osmolality, ELISA (RHC, protein A), residual DNA (qPCR).
- GMP/GLP/GxP knowledge highly preferred.
People Leader Accountabilities (if applicable): create inclusion, develop talent, empower teams.
Compensation/Benefits:
- Salary range: $126,820.00–$164,120.00; may include discretionary bonus/stock/paid time off and benefits (medical/dental/vision/life).
Application instructions:
- For current employees/contractors: apply via the Internal Career Opportunities portal in Workday.
Key Responsibilities:
- Contribute to compendial (USP/Ph. Eur./JP), protein content, and impurity method development/optimization for biotherapeutics (including ELISA, qPCR, plate-based assays).
- Perform hands-on lab work and analyze in-process samples, drug substances, and drug products using HPLC, UV-Vis, SoloVPE, water content, osmolality, appearance, turbidity, and pH.
- Lead internal/external lab investigations using compendial methods.
- Review development/QC analytical data; advise project teams on global requirements; collaborate with QC on verification/troubleshooting.
- Troubleshoot instrumentation/testing anomalies; train analysts; drive continuous improvement.
Knowledge, Experience, and Skills:
- Good verbal/technical communication and interpersonal skills; collaborative in cross-functional, multidisciplinary teams.
- Independent judgment; recognize anomalous/inconsistent results and interpret outcomes.
- Technical proficiency and scientific creativity in experimental design.
Required:
- BS in Chemistry/Biochemistry with 5+ years’ compendial, protein content, and impurity method experience OR MS with 3+ years.
Preferred:
- Experience with appearance, pH, turbidity, water content, spectroscopy/absorbance (SoloVPE/UV-Vis), HPLC/UPLC, osmolality, ELISA (RHC, protein A), residual DNA (qPCR).
- GMP/GLP/GxP knowledge highly preferred.
People Leader Accountabilities (if applicable): create inclusion, develop talent, empower teams.
Compensation/Benefits:
- Salary range: $126,820.00–$164,120.00; may include discretionary bonus/stock/paid time off and benefits (medical/dental/vision/life).
Application instructions:
- For current employees/contractors: apply via the Internal Career Opportunities portal in Workday.