Andover, Massachusetts, United States
20 hours ago
Senior Associate Scientist - LCMS Biomeasures

Why Patients Need You

Everything we do, every day, is in line with an unwavering commitment to the quality and the delivery of safe and effective products to patients. Our science and risk-based compliant quality culture is flexible, innovative, and customer oriented. Whether you are involved in development, maintenance, compliance or analysis through research programs, your contribution will directly impact patients.

What You Will Achieve

Are you a bioanalytical scientist interested in contributing to the field of quantitative protein mass spectrometry? Join us as a Senior Associate Scientist on the Biomeasures LCMS team at Pfizer located in Andover, MA. You will be contributing to all aspects of development, implementation, execution, and analysis of high sensitivity LCMS assays for protein target quantification across the Pfizer portfolio in multiple matrices (serum, plasma, tissues, extracellular vesicles, etc) using state-of-the-art enrichment and instrumental techniques. This is a great opportunity to broadly apply your growing expertise to emerging areas of bioanalysis and impact a wide range of novel drug modalities with a particular focus on development of LCMS assays intended for clinical utility.

How You Will Achieve It

Responsible for developing advanced sample preparation and instrumental techniques across multiple biological matrices in all therapeutic areas with a particular focus on development of LCMS assays intended for clinical utility

Drive experimentation and adoption of novel, optimized workflows to solve complex problems and expand our group’s analytical processes and capabilities

Communicate your scientific findings effectively to various audiences in the form of well-organized presentations and publications

Collaborate both internally and externally to develop successful partnerships in a large, matrix environment

Participate in all phases of mass spectrometry laboratory operations including instrument maintenance, the development of sample preparation and separation methods, data analysis, etc

Take keen interest, responsibility, and ownership for portions of our workflows that stoke your scientific curiosity

Ensure all tasks and responsibilities are carried out according to scientific and ethical standards

Must-Have

BS with 3+ years of bioanalytical experience OR a MS with 0+ bioanalytical experience

Expertise in biological sample preparation techniques (immunoaffinity, tryptic digestion, tissue processing, conjugation, etc) of various biofluids

Experience with general quantitative analysis techniques and statistical approaches

Experience generating scientific collateral using Microsoft Office applications and presenting findings to audiences effectively

Ability to multitask as both an independent contributor and an influential team member

Nice-to-Have

Experience in the operation and maintenance of LCMS instrumentation and associated data analysis software (Skyline, Xcalibur, etc)

Working understanding of protein biochemistry and quantitative protein analytical techniques

Prior industry experience including history of successful outsourcing of LCMS assays to CRO partners

PHYSICAL/MENTAL REQUIREMENTS

Ability to meet the standard requirements for a lab-based role and perform all typical lab related activities (lifting ≤20 pounds, frequent pipetting, long stretches on feet, etc)

NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

Occasional travel to Cambridge (Kendal Square) may be required, depending on project needs

Other Job Details:

Last Date to Apply: July 08, 2025.

Work Location Assignment: On Premise

No relocation Support Available


The annual base salary for this position ranges from $66 500,00 to $110 900,00. In addition, this position is eligible for participation in Pfizer’s Global Performance Plan with a bonus target of 7,5% of the base salary. We offer comprehensive and generous benefits and programs to help our colleagues lead healthy lives and to support each of life’s moments. Benefits offered include a 401(k) plan with Pfizer Matching Contributions and an additional Pfizer Retirement Savings Contribution, paid vacation, holiday and personal days, paid caregiver/parental and medical leave, and health benefits to include medical, prescription drug, dental and vision coverage. Learn more at Pfizer Candidate Site – U.S. Benefits | (uscandidates.mypfizerbenefits.com). Pfizer compensation structures and benefit packages are aligned based on the location of hire. The United States salary range provided does not apply to Tampa, FL or any location outside of the United States.

Relocation assistance may be available based on business needs and/or eligibility.

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.  This position requires permanent work authorization in the United States.

Research and Development

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