Pfizer

Senior Scientist Mass Spectrometrist

Pfizer$93K — $156K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • B.S./M.S. in chemistry with 9-11 years experience in mass spectrometry, MBA/MS with 7-8 years, or Ph.D. with 0-3 years in mass spectrometry applications.
  • Strong understanding of mass spectrometry theory and applications.
  • Experience with structure elucidation of small molecules or peptides.
  • Fundamental understanding of organic chemistry.
  • Familiarity with MS data analysis software such as Thermo Freestyle and ACD/Labs.
  • Ability to work independently and solve research problems.
  • Experience using HRMS systems, particularly Thermo Orbitrap instruments.

Responsibilities

  • Elucidate chemical structures and solve scientific questions using mass spectrometry.
  • Collaborate within a multidisciplinary team as a subject matter expert.
  • Provide strategic input to ensure efficient execution of projects.
  • Investigate innovative approaches to enhance mass spectrometry support.
  • Utilize digital tools to optimize workflows.
  • Write technical documents for internal and external use.
  • Publish and present research findings externally.

Benefits

  • Relocation support available.
  • On-premise work location assignment.
  • Participation eligibility in Pfizer's Global Performance Plan with bonus potential.
  • 401(k) plan with Pfizer Matching Contributions and additional retirement savings contributions.
  • Generous paid vacation, holidays, and personal days.
  • Paid caregiver, parental, and medical leave.
  • Health benefits including medical, prescription, dental, and vision coverage.
Full Job Description
What You Will Achieve

An opening is available for a Mass Spectrometrist in the Structure Elucidation Group within Pfizer Worldwide Research and Development's Pharmaceutical Sciences Synthetic Molecule Division in Groton, CT. The Structure Elucidation Group plays a critical role across the pharmaceutical development continuum, supporting programs from drug substance through drug product and beyond. The team is responsible for the characterization of drug candidates, degradation products, and impurities, while partners closely with technology and project teams throughout Pfizer. This role offers the opportunity to develop and have a meaningful impact by advancing the Pfizer's portfolio..

It is your innovative scientific temperament that will help in making Pfizer ready to achieve new milestones and help patients across the globe.

How You Will Achieve It

  • Elucidate chemical structures and solve scientific questions for small molecules of pharmaceutical interest using high resolution mass spectrometry tools.
  • Work within a team of disparate scientific disciplines as a subject matter expert (e.g., working closely with mass spectrometrists, NMR spectroscopists, purification scientists, analytical and organic chemists, etc.).
  • The individual will be expected to provide strong technical and strategic input to ensure efficient and timely execution of deliverables.
  • Investigate innovative scientific approaches to all aspects of mass spectrometry support for pharmaceutical development.
  • Utilize digital tools to enhance workflows.
  • Write technical documents.
  • Publish and present externally.


Qualifications

Must-Have

  • B.S./M.S. in chemistry with 9 to 11 years of experience in mass spectrometry focused on structural elucidation, or MBA/MS with 7 to 8 years of experience OR a Ph.D. 0 to 3 years of experience. in chemistry or equivalent with a focus on mass spectrometry applications (experience with peptide/proteomics preferred).
  • Strong understanding of mass spectrometry theory and applications.
  • Experience with the structure elucidation of small molecules and/or peptides.
  • Fundamental understanding of organic chemistry.
  • Familiarity with MS data analysis software for small molecules and peptides, such as Thermo Freestyle, ACD/Labs, BioPharma Finder, and Protein Metrics.
  • Ability to work independently in problem-solving and research.
  • Experience using HRMS systems, particularly Thermo Orbitrap instruments.
  • Strong communication skills.


Nice-to-Have
  • Experience in structural elucidation of small molecules using mass spectrometry. Knowledge of various ionization sources, mass analyzers and detectors required for structure elucidation of both API and complex drug product formulations.
  • Working knowledge of ionization induced fragmentation mechanisms and ability toutilize MS tools to propose solutions to a variety of structure/degradation questions. Fundamental understanding of organic chemistry.
  • A strong understanding of the theory and application of mass spectrometry. Experience with Thermo and Bruker systems.
  • Strong communication skills and a demonstrated ability to carry out independent research are required.
  • Strong interest and motivation to learn new technologies and concepts is expected.
  • Experience with MS processing software (Xcalibur, DataAnalysis, Masslynx, ACD etc.).


PHYSICAL/MENTAL REQUIREMENTS

  • This role requires the use of laboratory equipment and working in laboratories.
  • Applicant must be able to adhere to safe laboratory practices. Some lifting may be required.


NON-STANDARD WORK SCHEDULE, TRAVEL OR ENVIRONMENT REQUIREMENTS

  • Relocation support available
  • Work Location Assignment: On Premise
The annual base salary for this position ranges from $93,600.00 to $156,000.00. In addition, this position is eligible for participation in Pfizer's Global Performance Plan with a bonus target of 12.5% of the base salary and eligibility to participate in our share based long term incentive program. 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.

About Pfizer

Hospira, Inc. is the provider of injectable drugs and infusion technologies. Through its broad, integrated portfolio, Hospira is uniquely positioned to Advance Wellness™ by improving patient and caregiver safety while reducing healthcare costs. The company is headquartered in Lake Forest, Ill., and has approximately 16,000 employees.

Pfizer Careers

Joining Pfizer’s global team offers more than just job opportunities; it’s a chance to be a part of a company that leads with science and innovates for better health. As a leading biopharmaceutical company, Pfizer is at the forefront of transforming lives through innovation, leadership, and diversity. Work You’ll Do At Pfizer, you will collaborate with some of the brightest minds in the industry, engaging in work that enhances global health and saves lives. Our culture thrives on intellectual curiosity, professional growth, and inclusivity, making every day a learning opportunity. Here, your skills will be honed, your professional acumen will be expanded, and you will be part of a team that values the power of diverse insights to drive success. Pfizer’s Leadership and Growth Lead and innovate with Pfizer, where we value the growth of each employee. Our leadership is committed to providing employees with the training and resources needed to excel in their careers. Pfizer offers a variety of career paths, including roles in research, marketing, finance, technology, and more, each offering a unique blend of challenges and rewards. Internship and Employment Opportunities Start your career with Pfizer through our internship programs or dive straight into a full-time position. We are hiring individuals who are passionate about healthcare and who seek to make a difference in the world. Our internships provide invaluable industry experience, networking opportunities, and a potential pathway to full-time employment. Benefits and Culture Pfizer is dedicated to fostering a workplace where all employees feel valued and can achieve their full potential. We offer competitive benefits packages that support the health, well-being, and financial security of our employees and their families. At Pfizer, you’ll find a culture that encourages collaboration, innovation, and continuous learning. Join Our Team Explore the numerous job opportunities at Pfizer by searching open positions that match your skills and interests. We look for driven, curious, and innovative team players who are ready to advance their careers in a transformative company. Stay Connected Keep up to date with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding career opportunities that await at Pfizer. Interview and Resume Tips Prepare for your future with Pfizer by utilizing our resources for resume building and interview preparation. We provide guidance on how to effectively showcase your skills and experiences to align with the needs of a position at Pfizer. Our goal is to help you succeed in securing a role that suits your professional goals and personal growth aspirations. Pfizer: A Place Where You Can Make a Difference Every position at Pfizer contributes to our mission of making the world a healthier place. Whether through direct patient care, research innovation, or corporate roles that support our operations, your work will have global impact. Join us in our journey to change lives—explore Pfizer careers today.
Learn more about Pfizer
Size
79,000 employees
Market Cap
$285.9 billion
Industry
Net Income
$9.6 billion
Founded
1849
5 Year Trend
+9%
Revenue
$41.9 billion
NASDAQ

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