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Senior Associate Scientist, Bioanalytical and ADME Sciences

Boulder, Colorado
Closing date
Dec 8, 2021

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Physical Sciences, Chemistry
Position Type
Full Time
Job Type
Staff Scientist
Organization Type
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Pfizer Boulder Research is currently seeking a highly motivated and team-oriented candidate for a Sr. Associate Scientist position contributing to ADME (absorption, disposition, metabolism and excretion) sciences , facilitating the identification and development of small molecule cancer therapeutics. Specifically, the position is for a bioanalytical role for LC-MS/MS method development within the ADME group. The scientist also will conduct biological assays (cell permeability and transporter efflux) as well as cell culture maintenance, in vitro enzyme kinetic or mechanistic studies, and drug metabolism studies. Additional responsibilities include authoring of research reports in support of regulatory submissions , and external publications . T he individual will have the unique opportunity to work with project representatives and influence the selection of candidate molecules for drug development.


o Serve as a bioanalytical LC-MS/MS subject matter specialist for the ADME team.

o Develop novel, rapid and robust LC-MS/MS methods and perform bioanalysis for in vitro biological samples , enhance robustness and bioanalytical capabilities of ADME screens.

o Conduct in vitro ADME experiments (cell permeability and transporter efflux, CYP inhibition, etc) and generate high quality data in a timely manner, review and upload data into databases, write reports, and data QC.

o Maintain close collaborations with other scientists in the ADME group to enable drug discovery or development portfolio support, trouble-shooting, and technology improvement or development.

o Provide guidance on chemical modifications that may improve ADME properties.

o Prepare documents to support regulatory IND filings.

o Evaluate new technology and methodology that advances our understanding of ADME/PK, target-engagement, etc.


o BS/MS degree in chemistry, biochemistry, biology, biomedical, pharmaceutical sciences or related field.

o Minimum of 2 years of bioanalytical and/or assay development experience in the pharmaceutical industry.

o Hands-on experience and strong trouble shooting skills for LC-MS/MS bioanalysis and method development.

o Hands-on experience conducting biological assays (cell permeability and transporter efflux, CYP inhibition, time dependent inhibition, etc) as well as cell culture maintenance.

o Knowledge of ADME/DMPK preferred but not required.

o Excellent oral and written communication skills.

o Excellent interpersonal skills and ability to work in a team environment.

Other Job Details

Eligible for Relocation Package

Eligible for Employee Referral Bonus


For roles based in Colorado:

The annual base salary for this position ranges from $58,600.00 to $97,600.00. In addition, this position offers an annual bonus with a target of 7.5% of the base salary and eligibility to participate in our share based long term incentive program. Benefits offered include a retirement savings plan, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage in accordance with the terms and conditions of the applicable plans.

Pfizer requires all U.S. new hires to be fully vaccinated for COVID-19 prior to the first date of employment. As required by applicable law, Pfizer will consider requests for Reasonable Accommodations.

Sunshine Act

Pfizer reports payments and other transfers of value to health care providers as required by federal and state transparency laws and implementing regulations. These laws and regulations require Pfizer to provide government agencies with information such as a health care provider's name, address and the type of payments or other value received, generally for public disclosure. Subject to further legal review and statutory or regulatory clarification, which Pfizer intends to pursue, reimbursement of recruiting expenses for licensed physicians may constitute a reportable transfer of value under the federal transparency law commonly known as the Sunshine Act. Therefore, if you are a licensed physician who incurs recruiting expenses as a result of interviewing with Pfizer that we pay or reimburse, your name, address and the amount of payments made currently will be reported to the government. If you have questions regarding this matter, please do not hesitate to contact your Talent Acquisition representative.

EEO & Employment Eligibility

Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Pfizer is an E-Verify employer.

Research and Development

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