Research Scientist, Process Development Job at Gilead Sciences – 3.6 Foster City, CA

Gilead Sciences is continuing to hire for all open roles. Our interview process may be conducted virtually and some roles will be asked to temporarily work from home. Over the coming weeks and months, we will be implementing a phased approach to bringing employees back to site to ensure the health and safety of our teams.

For Current Gilead Employees and Contractors:
Please log onto your Internal Career Site to apply for this job.

Job Description

Research Scientist, Process Development

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 workplace every day, you will be part of a team that is changing the world and helping millions of people live healthier, more fulfilling lives. Our worldwide staff is a close community where you can see the tangible results of your contributions, where every individual matters, and everyone has a chance to enhance their skills through ongoing development. Our scientific focus has resulted in marketed products that are benefiting hundreds of thousands of people, a pipeline of late-stage drug candidates, and unmatched patient access programs to ensure medications are available to those who could otherwise not afford them. By joining Gilead, you will further our mission to address unmet medical needs and improve life by advancing the care of patients with life-threatening diseases.

Gilead has an opportunity for a Ph.D. level scientist in our Cell Line and Upstream Process Development (CLUD) group at our Oceanside facility in Southern California. We are seeking a highly motivated, team-oriented individual to design and execute experiments to support cell line development for our rapidly growing biologics pipeline. The successful candidate will also contribute to the overall strategy of new technology development projects.

Key Responsibilities:

  • Lead end-to-end Cell Line Development pipeline projects, including activities from vector design and construction to clonal cell lines ready for Master Cell Bank generation.
  • Support process improvements for increased speed and efficiency in order to generate highly productive, high quality, robust cell lines that meet all regulatory requirements with high quality documentation.
  • Support CLUD activities including clone selection, technology development, media development, process optimization, and process characterization studies.
  • Hands-on laboratory operations such as molecular biology, shake flask, bench scale bioreactor and novel culture platforms.
  • Contribute to written technical reports, present in group meetings, and work cross-functionally to achieve common goals.
  • Participate in cross-functional CMC teams.
  • Support cell banking operations.


  • Ph.D. and 0-3 years of experience in a relevant scientific discipline (biology, bioengineering, chemical engineering, biochemical engineering).
  • Excellent communication, technical report writing, and presentation skills and aptitude for creative problem solving.
  • Strong organizational and planning skills.
  • Experience in statistics and data analysis (e.g. JMP, Spotfire).
  • Experience designing, constructing, and evaluating vectors to express recombinant proteins of various formats.
  • Demonstrated ability to work in a highly collaborative environment and adhere to timelines.
  • Ability to think critically and demonstrated troubleshooting skills.

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 [email protected] 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:
Please log onto your Internal Career Site to apply for this job.

About the Company

Company: Gilead Sciences – 3.6

Company Location:  Foster City, CA

Estimated Salary:

About Gilead Sciences - 3.6