Pfizer Inc.

Associate Research Fellow, Medicinal Chemistry

Pfizer Boulder Research and Development is looking to expand its research
organization that is focused on the discovery and development of targeted small molecule drugs to treat patients afflicted with cancer. We are seeking results-driven chemists to join our medicinal chemistry department to deliver Pfizer’s drugs of the future. The medicinal chemistry department at Pfizer Boulder Research and Development collaborates extensively with the other research departments to quickly discover and develop best-in-class medicines.

As an Associate Research Fellow, you will play a vital role as a leader in the medicinal chemistry department. You will be expected to use your expertise and creativity to lead the project in ways that enables candidate selection. Your specific contributions to projects will be driven through utilization of PBRD’s lead from the bench culture.

Based in Colorado, with more than 300 days a year of sunshine, Boulder is a paradise in the West! Visit to discover what we love about Boulder. Many colleagues live just outside of Boulder and have commutes of only 15 to 30 minutes.


  • Drive the medicinal chemistry project by designing new targets and synthetically executing designed routes in the lab.
  • Influence medicinal chemistry projects through troubleshooting and advocating novel approaches and methods.
  • Critically evaluate complex data sets to develop strategies aimed at drug optimization for both individual and team implementation
  • Collaborate across functional areas with other departments to ensure timelines are met
  • Present results and conclusions in a clear and concise manner to site management
  • Mentor/lead/manage other chemistry team members
  • Keep current with the chemistry literature as well as key biology publications related to ongoing projects
  • Publish and present internally and externally to Pfizer
  • Prepare and manage chemistry responsibilities for patent applications
  • Design compounds and manage chemist workflow at external vendors/collaborators in pursuit of project goals


  • Doctorate level degree in relevant area of science
  • Minimum 12 years of relevant experience in the pharmaceutical industry
  • Ability to scientifically challenge others in a constructive manner and demonstrates
  • exceptional team working skills
  • Track record of delivering high impact contributions to medicinal chemistry projects
  • Expert working knowledge of organic chemistry


  • Previous experience in mentoring and development of scientists
  • Project and team management experience


  • Ability to perform data analysis
  • Ability to safely work in a chemistry lab (standing, lifting, walking, bending)

Other Job Details:

  • Eligible for Relocation Package
  • Eligible for Employee Referral Bonus

INTERESTED CANDIDATES PLEASE APPLY AT:—Colorado—Boulder/Associate-Research-Fellow–Medicinal-Chemistry_4786670-2

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