Research Scientist, Process Development

Oceanside, CA
Jul 27, 2021
Required Education
Position Type
Full time
Research Scientist, Process Development
United States - California - Oceanside

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

Research Scientist, Process Development - Oceanside, CA

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 an early career Ph.D. level scientist in our Upstream Development 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 culture process development. Additionally, the individual will act as an upstream subject matter expert on early and late stage projects as well as lead various supporting activities. Finally, the successful candidate will contribute to the overall strategy of technology development projects for the upstream group.

Key Responsibilities:

  • Lead aspects of upstream process development and support technology transfer activities for monoclonal antibody, recombinant protein, and novel platform programs.

  • Review GMP and non-GMP technical documentation (batch records, SOPs, validation protocols and reports; process characterization protocols and reports).

  • Participate in cross-functional CMC teams.

  • Support upstream bioprocess development activities including clone selection, technology development, media development, process optimization, and process characterization studies.

  • Hands-on laboratory operations such as shake flask, bench scale bioreactor, and pilot scale cultures as well as novel culture platforms.

  • Collaborate with technical operations and biologics production teams to transfer process to and support pilot scale and clinical manufacturing upstream operations.

  • Contribute to written technical reports, present in group meetings, and work cross-functionally to achieve common goals.

  • Manage direct and indirect reports and mentor junior group members while working in a flexible resourcing environment.

  • Support internal and external manufacturing, including travel to sites (10%).


  • 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).

  • Previous direct or indirect management experience is a plus.

  • Previous experience working in a GMP facility is a plus.

  • Previous experience with technology development and production titer improvement is a plus.

  • Previous experience leading or supporting early or late stage projects is a plus.

  • Working knowledge of Matlab or similar programming language is desirable.

  • Familiarity with SQL databases is a plus.

    Minimum Qualifications

  • Ph.D. and 0-3 years of experience in a relevant scientific discipline (biology, bioengineering, chemical engineering, biochemical engineering).

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    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.

    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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