Postdoctoral Scientist

  • Gilead Sciences
  • Oceanside, California
  • Full Time

At Gilead, were creating a healthier world for all people. For more than 35 years, weve 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 worlds biggest health challenges, and our mission requires collaboration, determination and a relentless drive to make a difference.

Every member of Gileads 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 were 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

JOB DESCRIPTION

We are seeking a highly motivated postdoctoral scientist with molecular virology or immunology background to undertake exciting research project for viral vector design, production, and characterization in supporting Gilead Biologics pipeline in the area of infectious diseases including HIV, HBV, and HDV. The successful candidate will be responsible for design and execution of in vitro experiments to generate viral particles, pseudo-typed viruses, targeted lipid nanoparticles (LNP), and to develop cell-based assays to evaluate their infectivity and neutralizing activity of biological drug candidates including monoclonal antibodies, peptides, and viral vaccines.

Specific Responsibilities

  • Conduct independent and team-based projects for design, optimization, and production of viral particles, viral vectors, pseudoviruses, and lipid nanoparticles.
  • Engage cross-functionally with discovery virology teams, biophysical and structural characterization team to develop cell-based infectivity assays and biophysical characterization methods for viral particle characterization.
  • Develop and optimize transfection protocols for stable cell line engineering, viral vector production process/workflow, and scale up.
  • This position will require an in-depth knowledge of molecular biology, virology, and/or immunology. The candidate will be expected to demonstrate technical competence for plasmid design, cell line engineering, cell-based viral infection assays, and flow cytometry techniques.
  • The applicant should be an effective communicator of ideas, project goals and results to team members across cross-functional roles/departments.
  • The applicant should be self-motivated and organized, familiar with the relevant literature, and enjoy scientific investigation and thinking, proactively identify issues and develop solutions in a collaborative multidisciplinary environment.

Required Skills

  • PhD in Molecular Virology, Immunology, or a related scientific discipline with 0-2 years of relevant experience in the Pharmaceutical or Biotechnology industry.
  • Excellent communication skills and interpersonal skills are required. Must be able to participate in highly effective teams, organizing and implementing complex research plans.
  • Demonstrates technical proficiency, scientific creativity, collaboration with others and independent thought in suggesting experimental design.


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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 ApplicantAccommodations@gilead.com for assistance.

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For Current Gilead Employees and Contractors:

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Job ID: 480738747
Originally Posted on: 6/11/2025

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