Jobs / United States / Gilead Sciences INC
Sr Scientist, Purification Process Development (Pivotal & Commercial)
Gilead Sciences INC · 🇺🇸 United States - California - Foster City
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 159 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 75 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Gilead Sciences INC paid sponsored hires in similar roles11 certified filings for “Sr Associate Scientist, Analytical Ops” (Biochemists and Biophysicists) in CA: $115k–$125k, median $117k. Most were filed at wage level II (64%) — 2 lottery entries, ≈31% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
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Sponsor Radar — Gilead Sciences INC
The US Department of Labor certified 159 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 75 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Gilead Sciences INC →
About the role
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.