Associate Scientist - Method Development, Analytical Operations

Foster City, CA
Nov 26, 2021
Biotech Bay
Required Education
Bachelors Degree
Position Type
Full time
Associate Scientist - Method Development, Analytical Operations
United States - California - Foster City

Gilead Sciences, Inc. is a research-based bio-pharmaceutical company that discovers, develops and commercializes innovative medicines in areas of unmet medical need. With each new discovery and investigational drug candidate, we seek to improve the care of patients living with life-threatening diseases around the world. Gilead’s therapeutic areas of focus include HIV/AIDS, liver diseases, cancer and inflammation, and serious respiratory and cardiovascular conditions.

Making an impact on a global scale
Inclusion is one of the company’s five core values. That’s because we know that we are stronger and more innovative at Gilead when we are informed by a diverse set of backgrounds, experiences and points of view. Gilead Sciences is a biopharmaceutical company that discovers, develops and commercializes innovative therapeutics in areas of unmet medical need. The company's mission is to advance the care of patients suffering from life-threatening diseases worldwide.

When you join Gilead, you join our mission to change the world by enabling people to live healthier and more fulfilling lives. Come join a mission-driven bio-pharmaceutical organization that values inclusion and diversity, has a strong portfolio of products, and is constantly #CreatingPossible

Associate Scientist, Method Development, Analytical Operations - Foster City, California

Gilead Sciences, Inc. is a research-based biopharmaceutical company founded in 1987. Together we deliver life-saving therapies to patients in need. With the commitment and drive you bring to the Pharmaceutical Development & Manufacturing (PDM) workplace, you will be part of a team that is changing the world and helping millions of people live healthier, more fulfilling lives.

Gilead Sciences is currently seeking an Associate Scientist to join the Analytical Operations department. The Associate Scientist will develop and execute analytical methods to support the characterization of drug substances and drug products during clinical development. The Associate Scientist will support analytical development, process research, formulation development, and assist in regulatory filings.

Job Responsibilities:
  • Develop analytical test methods for small molecule to support development activities on drug substances and biologics, solid dosage form and parenteral/injectable drug products (purity/impurity by LC, water content determination, dissolution, particulate matter, sterility etc.)
  • Plan schedules and arranges own activities in accomplishing programs goals
  • Selects appropriate methods and techniques to support development programs.
  • Collaborates with supervisory personnel and lab analysts to develop methods.
  • Performs physical and chemical characterization of drug substances for biologics, solid dosage form and parenteral drug products (thermal analysis, particle size, microscopy, XRPD, etc.).
  • Troubleshoots analytical methods and lab instrumentation.
  • May investigate root causes of atypical results and propose corrective actions
  • Recommends alternatives, researches new methods and techniques and may proactively seek out senior personnel to discuss potential solutions to problems.
  • Processes and interprets data. Presents findings at group meetings and technical seminars.
  • Uses good verbal communication and interpersonal skills to provide insight into the processes used to achieve results of assigned tasks.
  • Accurately and timely documents work in laboratory notebooks, logbooks, and laboratory software,
  • Works cross-functionally with process chemistry, formulations development, analytical method validation, release and stability groups by representing group as a prime contact person to develop drug candidates
  • Authors reports, protocols, test methods, and other documentation.
  • Trains others in execution of analytical test methods or analytical techniques.

Education and Experience:
  • Bachelor's with 5+ years of relevant biotech/pharmaceutical professional experience, OR master's degree with 3+ years of relevant biotech/pharmaceutical professional experience. Degrees should be in Analytical Chemistry, Organic Chemistry, Biochemistry, Biology or a related discipline from an accredited university.
  • Strongest consideration will be given to candidates with demonstrated experience in biologics and parenteral drug product development.
  • Hands-on proficiency and problem-solving skills with HPLC/UPLC, GC or other chromatographic techniques. Familiarity with spectroscopic techniques, chromatographic separations (RPLC, SEC, Ion exchange, chiral), parenteral characterization (osmolality, subvisible particles, pH, extractable volume, etc.) and solid-state characterization (FTIR, XRPD, DSC, TGA, PSD) is an advantage.
  • Strong verbal and written communication skills.

To apply, please submit resume through our website at

Gilead is an equal opportunity employer.

For jobs in the United States:

As an equal opportunity employer, Gilead Sciences Inc. is committed to a diverse workforce. Employment decisions regarding recruitment and selection will be made without discrimination based on race, color, religion, national origin, gender, age, sexual orientation, physical or mental disability, genetic information or characteristic, gender identity and expression, veteran status, or other non-job related characteristics or other prohibited grounds specified in applicable federal, state and local laws. In order to ensure reasonable accommodation for individuals protected by Section 503 of the Rehabilitation Act of 1973, the Vietnam Era Veterans' Readjustment Act of 1974, and Title I of the Americans with Disabilities Act of 1990, applicants who require accommodation in the job application process may contact for assistance.

Following extensive monitoring, research, consideration of business implications and advice from internal and external experts, Gilead has made the decision to require all U.S. employees and contractors to receive the COVID-19 vaccines as a condition of employment. “Full vaccination” is defined as two weeks after both doses of a two-dose vaccine or two weeks since a single-dose vaccine has been administered. Anyone unable to be vaccinated, either because of a sincerely held religious belief or a medical condition or disability that prevents them from being vaccinated, can request a reasonable accommodation.​

For more information about equal employment opportunity protections, please view the ‘EEO is the Law' poster.



Our environment respects individual differences and recognizes each employee as an integral member of our company. Our workforce reflects these values and celebrates the individuals who make up our growing team.

Gilead provides a work environment free of harassment and prohibited conduct. We promote and support individual differences and diversity of thoughts and opinion.

For Current Gilead Employees and Contractors:

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