
Scientist, Process Development
Foster City, CAFull-time$147–190K/yrSeen todaySeen in employer's feed today
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At a glance
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Job overview
The Scientist, Process Development develops chemical processes for manufacturing drug substances and advances economical techniques to isolate, characterize, purify, and mass-produce substances. The role proposes alternative chemistry and route optimization, advises project teams on laboratory experimentation, and contributes research through publications and presentations. It also supports pilot plant operations and master batch record writing. Candidates need substantial relevant scientific experience, with requirements varying by degree.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Onsite Required
United States - California - Foster City
Full time
R0055911
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.
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.
We believe every employee deserves a great leader. People Leaders are the cornerstone to the employee experience at Gilead and Kite. As a people leader now or in the future, you are the key driver in evolving our culture and creating an environment where every employee feels included, developed and empowered to fulfil their aspirations. Join Gilead and help create possible, together.
Job Description
Specific Job Responsibilities:
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Responsible for developing chemical processes for the manufacturing of drug substances.
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Demonstrate technical proficiency, scientific creativity, collaboration with others and independent thought in suggesting experimental design and strategy.
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Must think critically and creatively and be able to work independently, determine appropriate resources for resolution of problems and have strong organizational and planning skills.
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Propose alternative chemistry including new route selection and step optimization.
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Works in collaboration with more senior scientists or scientific directors to advance the development of economical, state-of-the-art techniques to isolate, characterize, purify and mass-produce substances.
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Works on complex problems where analysis of situations or data requires evaluation of intangible variables, requiring regular use of ingenuity and creativity.
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Advise members of project teams in the initiation and execution of laboratory experimentation, considering economic, sustainability, and safety factors.
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Make contributions to scientific literature and conferences through publication and presentation of research results.
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Becomes familiar with Pilot Plant operations and supports writing master batch records with limited supervision.
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Presents results of work, interprets data, and draws conclusions regarding presented material and nature of work.
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Maintain full working knowledge of state-of-the art principles and theories, applying such knowledge to the direction that supports Company interests.
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Demonstrates excellent communication (verbal and written) and interpersonal skills.
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Demonstrates collaborative communication and problem-solving spirit.
Specific Education & Experience Requirements:
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9+ years of experience with BS degree in a relevant scientific discipline.
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7+ years of experience with MS degree in a relevant scientific discipline.
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PhD with no post-doctoral assignment.
The salary range for this position is: $146,540.00 - $189,640.00. 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:
https://www.gilead.com/careers/compensation-benefits-and-wellbeing
- Eligible employees may participate in benefit plans, subject to the terms and conditions of the applicable plans.
For jobs in the United States:
Gilead Sciences Inc. is committed to providing equal employment opportunities to all employees and applicants for employment, and is dedicated to fostering an inclusive work environment comprised of diverse perspectives, backgrounds, and experiences. Employment decisions regarding recruitment and selection will be made without discrimination based on race, color, religion, national origin, sex, 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.
For more information about equal employment opportunity protections, please view the 'Know Your Rights' (https://www.eeoc.gov/employers/eeo-law-poster) poster.
NOTICE: EMPLOYEE POLYGRAPH PROTECTION ACT (http://www.dol.gov/whd/regs/compliance/posters/eppac.pdf)
YOUR RIGHTS UNDER THE FAMILY AND MEDICAL LEAVE ACT
Gilead Sciences will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, (c) consistent with the legal duty to furnish information; or (d) otherwise protected by law.
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 apply via the Internal Career Opportunities portal in Workday.
Gilead Sciences, Inc. is a biopharmaceutical company that has pursued and achieved breakthroughs in medicine for more than three decades, with the goal of creating a healthier world for all people. The company is committed to advancing innovative medicines to prevent and treat life-threatening diseases, including HIV, viral hepatitis and cancer. Gilead operates in more than 35 countries worldwide, with headquarters in Foster City, California.
How this job compares
Set against the 2,113 open Scientist jobs on Olive Jobs, counted November 6, 2026.
- Pay
- This posting$147–190K/yr
- California median$127–173K/yr265 salary ranges
- US median$105–160K/yr1,081 salary ranges
This range's midpoint, $168K, is 12% above the California median midpoint ($150K) — in the middle half of Scientist salary ranges in California.
- Openings
- Olive Jobs lists 429 open Scientist jobs in California and 2,113 across the US. Under 1% of them nationwide are listed as remote or flexible.
- Hiring the most in California
- Genentech28 open
- Amgen25 open
- Gilead Sciences, Inc. (this employer)23 open
- Experience
- This posting asks for at least 9 years of experience — more than three in four Scientist postings that state a minimum ask for (median 3 years, across 1,545 postings).
- Education
- 1,089 of the 2,113 open Scientist jobs (52%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 6, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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