Sr Scientist, Purification Process Development (Pivotal & Commercial)

Posted 26 Days Ago
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Foster City, CA, USA
In-Office
169K-219K Annually
Senior level
Biotech
The Role
Leads purification process development for pivotal and commercial biologics programs, including chromatography, TFF, virus filtration, process characterization, technology transfer, and GMP documentation. Develops experiments, statistical models, control strategies, regulatory filings, and process performance qualifications. Collaborates with MSAT, manufacturing, quality, regulatory, and other CMC teams. May manage and mentor staff, support external manufacturing transfers, improve laboratory capabilities, and implement new technologies and data workflows.
Summary Generated by Built In

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
 

The Senior Scientist, Purification Process Development (Pivotal & Commercial) role will be responsible for leading aspects of purification development including commercial process development and process characterization for multiple biologics programs during pivotal phases (phases II/III and post-launch). In addition, this role is also expected to lead/support technology transfer, participate in purification and cross-functional initiatives, and support purification regulatory documentation.


Key Responsibilities:

  • Design experiments and demonstrate hands-on technical leadership of all aspects of purification process development including chromatography, TFF, virus filtration, harvest and virus clearance
  • Provide scientific and technical leadership of one or more pivotal/commercial programs. Accountable for process characterization strategy, project plans, execution, risk management and delivery of functional objectives throughout the lifecycle including process optimization, process characterization, process performance qualification and technical reports for BLA submission
  • Lead and/or support technology transfer, clinical resupply and investigation activities in partnership with Global Manufacturing Sciences and Technology (MSAT)
  • Perform statistical analysis and appropriate modeling to assess process parameter criticality, identify acceptable ranges and contribute to the integrated control strategy
  • Author and review GMP and non-GMP technical documents (reports, regulatory submissions/responses, batch records, SOPs, etc.) ensuring data integrity and best documentation practices are followed
  • Represent the Pivotal & Commercial Purification Development Department on cross-functional product development/CMC teams. Requires collaboration with Analytical Development, MSAT, Cell Culture, Formulation, Manufacturing, Quality, Regulatory, and Supply Chain, as needed.
  • May manage direct reports and mentor junior team members on purification process development strategies, experimental design and execution and process transfer
  • Help to establish and maintain a state-of-the-art purification lab
  • Participate in cross-functional initiatives and business process improvements as needed
  • Some travel may be required to support technology transfers and provide oversight at external manufacturing facilities
  • Evaluation and implementation of new technologies, workflows, or data approaches to improve development efficiencies and timelines

Basic Qualifications:

  • Ph.D. with 2+ years in a relevant scientific discipline (chemical engineering, biochemistry, bioengineering).

OR

  • M.S. with 6+ years in a relevant scientific discipline (chemical engineering, biochemistry, bioengineering).

OR

  • BS with 8+ years in a relevant scientific discipline (chemical engineering, biochemistry, bioengineering).

Preferred Qualifications:

  • Experience in pivotal stage purification process development, characterization, and implementation in GMP facilities.
  • Experience in technology transfer of pivotal stage purification processes from 2-25 kL scale including understanding of process scalability, robustness, regulatory expectations, manufacturability and COGs
  • Excellent communication, technical writing and presentation skills, and aptitude for creative problem solving
  • Experience writing CMC sections of commercial regulatory filings (BLA, MAA) and post approval change filings is desired
  • Demonstrated ability to collaborate and influence cross-functionally
  • Experience in statistics, design-of-experiments, and data analysis (e.g. JMP, Spotfire)
  • Working knowledge of lab automation, data management, data science, knowledge management and data protection

People Leader Accountabilities:

  • Create Inclusion - knowing the business value of diverse teams, modeling inclusion, and embedding the value of diversity in the way they manage their teams
  • Develop Talent - understand the skills, experience, aspirations and potential of their employees and coach them on current performance and future potential. They ensure employees receive the feedback and insight needed to grow, develop and realize their purpose
  • Empower Teams - connect the team to the organization by aligning goals, purpose, and organizational objectives, and holding them to account. They provide the support needed to remove barriers and connect their team to the broader ecosystem


 

The salary range for this position is: $169,320.00 - $219,120.00. 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' poster.

NOTICE: EMPLOYEE POLYGRAPH PROTECTION ACT
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.

Skills Required

  • Ph.D. in chemical engineering, biochemistry, bioengineering, or a relevant scientific discipline, plus 2 or more years of relevant experience
  • M.S. in chemical engineering, biochemistry, bioengineering, or a relevant scientific discipline, plus 6 or more years of relevant experience
  • Bachelor's degree in chemical engineering, biochemistry, bioengineering, or a relevant scientific discipline, plus 8 or more years of relevant experience
  • Experience in pivotal-stage purification process development, characterization, and implementation in GMP facilities
  • Experience transferring pivotal-stage purification processes from 2–25 kL scale
  • Understanding of process scalability, robustness, regulatory expectations, manufacturability, and cost of goods
  • Excellent communication, technical writing, and presentation skills
  • Experience writing CMC sections of commercial regulatory filings, including BLA, MAA, and post-approval change filings
  • Demonstrated ability to collaborate and influence cross-functionally
  • Experience with statistics, design of experiments, and data analysis using tools such as JMP or Spotfire
  • Working knowledge of lab automation, data management, data science, knowledge management, and data protection

Gilead Sciences Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Gilead Sciences and has not been reviewed or approved by Gilead Sciences.

  • Fair & Transparent Compensation — Pay is considered competitive and fair relative to roles, frequently cited as a standout strength. Feedback suggests compensation compares well within biotech and is a notable reason employees feel valued.
  • Equity Value & Accessibility — Stock awards and an employee stock purchase program are consistently described as meaningful parts of total compensation. Equity components are seen as accessible and enhance long‑term wealth building.
  • Retirement Support — A strong company 401(k) match with immediate vesting is often singled out as a differentiator. This support is perceived to significantly boost long‑term financial security.

Gilead Sciences Insights

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The Company
HQ: Foster City, CA
14,337 Employees
Year Founded: 1987

What We Do

The way we see it, the impossible is not impossible. It’s simply what hasn’t been achieved yet. For more than 30 years, we’ve pursued it, chased it down, tackled it for answers and surrounded it for a way in. We have worked tirelessly to bring forward medicines for life-threatening diseases. Creating Possible drives everything we do. It’s evident in our mission and core values. This is how we built a culture of excellence that is fueled by a passion for improving lives of people around the world. For us, nothing is impossible – because of the people we work with, the communities we stand with and the partners we push forward with. Our ~12,000 employees band together through science, grit, compassion and courage to prove the impossible wrong. At Gilead, the tangible results of your contributions are evident. Where every individual matters. Where all employees can enhance their skills through ongoing development. And where we start every day with one question: “What’s next?” Social Media Guidelines: https://gilead.inc/3t1m7d5

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