1010 Gilead Sciences, Inc.Verified Source

Senior Scientist Discovery Sciences Technologies Gilead

Onsite · San Francisco, California
Posted August 1, 2026
payroll

Overview

We seek a Senior Scientist to advance lipid nanoparticle technology within the LNP Center of Excellence and Discovery Sciences and Technologies department. This role drives innovation in mRNA-LNP therapeutics across virology oncology and inflammation areas. You will collaborate with internal research functions and external partners to translate discoveries into clinical development.

What You'll Do11

  • 1Serve as in-house subject-matter expert on lipid chemistry and LNP formulation focusing on ionizable lipid chemistry and tissue-selective mRNA delivery.
  • 2Provide scientific leadership in resolving complex delivery and formulation challenges.
  • 3Drive design synthesis and evaluation of ionizable lipids and lipid libraries in partnership with internal and external collaborators.
  • 4Design and optimize mRNA-LNP formulations and targeted architectures including ligand or conjugation strategies to meet project needs.
  • 5Build and execute high-throughput LNP formulation and in vitro screening campaigns evaluating transfection efficiency cellular tropism immune activation and functional activity.
  • 6Establish LNP purification characterization and discovery stage QC workflows such as particle size PDI zeta potential encapsulation efficiency and LC-based lipid/RNA analysis.
  • 7Build strategic collaborations with academic groups technology vendors CROs and biotech partners communicating findings through reports presentations manuscripts and patent applications.
  • 8Create Inclusion recognizing business value of diverse teams modeling inclusion and embedding diversity in team management.
  • 9Develop talent understanding employee skills aspirations and potential coaching them on performance and future growth.
  • 10Empower teams aligning goals purpose and organizational objectives holding them accountable and removing barriers.
  • 11Lead scientific projects independently mentoring junior scientists in fast-paced matrixed environment.

Requirements8

  • 1Ph.D. in pharmaceutical sciences chemistry chemical engineering bioengineering biochemistry or related discipline.
  • 22+ years directly relevant experience after Ph.D. with demonstrated track record in LNP based nucleic acid delivery.
  • 3Deep hands-on expertise in mRNA-LNP formulation and characterization including lipid selection composition optimization microfluidic or scalable mixing platforms DLS/PDI zeta potential encapsulation assays and LC-based lipid or RNA analysis.
  • 4Hands-on expertise in LNP purification by tangential-flow filtration required.
  • 5Experience designing systematic high-throughput or DoE-based formulation-screening campaigns integrating multi-parameter datasets into actionable delivery design rules.
  • 6Demonstrated ability to lead scientific projects independently and mentor or manage junior scientists in fast-paced matrixed environment.
  • 7Strong project management skills overseeing multiple projects simultaneously while maintaining high quality standards.
  • 8Excellent verbal and written communication skills influencing and collaborating across disciplines presenting to executive leadership.

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationSan Francisco, California

Required Skills

Lipid ChemistryLNP FormulationIonizable LipidsMicrofluidic MixingDynamic Light Scattering (DLS)Zeta Potential MeasurementEncapsulation Efficiency AssaysLC-based Lipid/RNA AnalysisTangential-Flow Filtration (TFF)High-Throughput Formulation ScreeningDesign of Experiments (DoE)Project ManagementScientific Communication
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