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Gilead Sciences, Inc. is a research-based biopharmaceutical company that discovers, develops and commercialises innovative medicines in areas of unmet medical need. With each new discovery and investigational drug candidate, it seeks to improve the care of patients living with life-threatening diseases around the world. Gilead’s therapeutic areas of focus include HIV/AIDS, liver diseases, cancer and inflammation, and serious respiratory and cardiovascular conditions. As an equal opportunity employer, Gilead Sciences Inc. is committed to a diverse workforce. Employment decisions regarding recruitment and selection will be made without regard to race, color, religion, national origin, gender, age, sexual orientation, 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.

Applications are invited for the post of Research Scientist. Details are as follows:

Name of the post: Research Scientist

Location: California, United States

Position Type: Regular

Working Hours: Full time


  • Design and execute/run reaction sequences
  • Define process development for chemical intermediates and drug substances
  • Perform chemical reactions, isolations, separations, purifications, and crystallizations
  • Conduct route scouting, reaction optimization, and scale-up demonstration
  • Write concise procedures and reports to enable successful technology transfers
  • Participate in group and project teams meetings and communicate results in a team-based environment

Skills Required:

  • The candidate must be skilled in the art and practice of modern synthetic and mechanistic organic chemistry. Familiarity and competence with modern spectroscopic methods applied to structure determination including 1H and 13C NMR, infra-red spectroscopy, and mass spectroscopy are required.
  • Experience in the use of preparative silica gel chromatographic separations as well as analytical separations involving HPLC and GC is required.
  • Practical experience in multi-step syntheses is preferred.
  • Experience with spreadsheet programs such as Microsoft Excel and database software such as SciFinder is a plus.

Essential Duties & Job Functions:

  • Responsible for developing chemical processes for the manufacturing of drug substances.
    Familiar with Pilot Plant operations and able to write master batch records and safety summaries with limited supervision.
  • Pays particular attention to avoiding reactions and processes that do not scale well, such as distilling to dryness and flash chromatography.
  • May suggest alternative chemistry including step optimization and new route selection.
    Gains a better understanding of how impurities are formed, tracked and purged throughout the subsequent processing.
  • 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.
  • Works on complex problems where analysis of situations or data requires evaluation of intangible variables, requiring regular use of ingenuity and creativity.
  • Advises members of project teams in the initiation and execution of laboratory experimentation, considering economic, regulatory and safety factors.
  • Presents results of work, interprets data, and draws conclusions regarding presented material and nature of work.
  • Makes contributions to scientific literature and conferences through publication and presentation of research results.
  • Maintains full working knowledge of state-of-the art principles and theories, applying such knowledge to the direction that supports Company interests.
  • Demonstrates technical proficiency, scientific creativity, collaboration with others and independent thought in suggesting experimental design and strategy.
  • 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.
  • Demonstrates excellent verbal communication skills and interpersonal skills.
  • Demonstrates collaborative communication and problem solving spirit.

Knowledge, Experience and Skills:

  • 3+ years of experience and PhD in a relevant scientific discipline.
  • BS or MS degree with extensive industry experience.

How to apply:

Interested candidates should click the below link to send their resume

Click Here To Apply

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Peace-lover, creative, smart and intelligent. Prapti is a foodie, music buff and a travelholic. After leaving a top-notch full time corporate job, she now works as an Online Editor for Biotecnika. Keen on making a mark in the scientific publishing industry, she strives to find a work-life balance. Follow her for more updates!