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Principal Scientist I, Small Molecule Analytical Development, Analytical Development and Operations

Gilead Sciences, Inc.
Foster City, CA
Start date
Apr 12, 2024

Job Details

Principal Scientist I, Small Molecule Analytical Development, Analytical Development and 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

For Current Gilead Employees and Contractors:

Please log onto your Internal Career Site to apply for this job.

At Gilead, we're creating a healthier world for all people. For more than 35 years, we've tackled diseases such as HIV, viral hepatitis, COVID-19 and cancer - working relentlessly to develop therapies that help improve lives and to ensure access to these therapies across the globe. We continue to fight against the world's biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference.

We empower our leaders to step up, share ideas, listen, learn, and lead. We're welcoming bright, diverse, and imaginative minds; we're nurturing them to foster an environment of inclusion and growth where innovation is encouraged. We expect our people leaders to model that environment, and to focus on creating inclusion, developing talent, and enabling teams.

Every member of Gilead's team plays a critical role in the discovery and development of life-changing scientific innovations. Our employees are our greatest asset as we work to achieve our bold ambitions, and we're looking for the next wave of passionate and ambitious people ready to make a direct impact. Join Gilead and help create possible, together.
Job Description

Principal Scientist I, Small Molecule Analytical Development, Analytical Development and Operations

The Principal Scientist role in the Analytical Development and Operations (ADO) organization reports to the Senior Director of Analytical Development (AD). AD is primarily responsible for developing phase-appropriate methods to support clinical progression of small molecule drug candidates, supporting process chemistry and formulation development, and generating data for regulatory submissions. The Principal Scientist will be a technical leader in analytical method development and characterization and a manager of multiple technical groups within AD.

Job Responsibilities:
  • Leads and develops analytical technical strategies, methods, and technologies to ensure the successful progression of small molecule assets from nomination through marketing application and commercial launch.
  • Directly manages multiple technical development teams and resources. Responsible for talent strategy, including leadership and development for scientific staff, to develop future senior talent and leaders.
  • Provides technical scientific expertise to CMC analytical project strategy groups and decision-making processes. Makes difficult scientific decisions to meet changing business needs. Fosters collaborations within AD group and with other functions within and outside the PDM organization.
  • Champions scientific innovation and technology to enable analytical method development while seeking opportunities to expand and develop capabilities to support project and departmental goals.
  • Contributes to developing scientific and technical strategies for the department. Advocates for new tools and technologies to advance process development and build departmental capabilities in support of project and departmental goals. Helps to develop policies and procedures related to departmental operations.
  • Applies global scientific guidelines to develop strategy to ensure continued clinical and marketing application approval successes.
  • Develops and drives phase-appropriate analytical development and validation strategies.
  • Collaborates closely with Analytical Project Strategy team. Forms cross-functional alliances with Small Molecule Drug Substance Development, Small Molecule Drug Product Development, CMC Regulatory Affairs, Quality Control and Manufacturing Operations by providing SMEs to these functions and project teams. Drives rigor and consistency in analytical method development and control strategy identification.
  • Responsible for compliance with applicable corporate policies and procedures.

Knowledge and Skills:
  • PhD in Chemistry, Analytical Chemistry, Chemical Engineering, or closely related discipline with 8+ years of experience in the pharmaceutical and/or biotechnology industry; or MA/MS with 10+ years of experience; or BA/BS with 12+ years of similar training and experience.
  • Leadership experience leading large and highly technical organizations.
  • Expertise in small molecule analytical development through hands-on experience in design, execution and data analysis of laboratory techniques, including modern chromatography operating systems and through leading analytical development projects
  • Broad understanding of both scientific and regulatory requirements in the areas of responsibility and overall pharmaceutical R&D, as well as manufacturing and quality
  • Demonstrated ability in identifying and crafting technical and innovations strategies. Stays ahead of shifting trends in the industry
  • Demonstrated ability to attract and develop strong talent, grow the capabilities of an organization and develop people into future leaders.
  • Proven capability to solve critical quality, regulatory and scientific problems
  • Strong understanding of cGMP and global regulatory requirements are an asset

The salary range for this position is: $221,170.00 - $286,220.00. Gilead considers a variety of factors when determining base compensation, including experience, qualifications, and geographic location. These considerations mean actual compensation will vary. This position may also be eligible for a discretionary annual bonus, discretionary stock-based long-term incentives (eligibility may vary based on role), paid time off, and a benefits package. Benefits include company-sponsored medical, dental, vision, and life insurance plans*.

For additional benefits information, visit:

* Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans.

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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 'Know Your Rights' 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.



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. Headquartered in Foster City, California, Gilead has operations in North America, Europe and Australia.

Company info
333 Lakeside Drive
Foster City

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