Pfizer

Senior Principal Scientist

Pfizer$124K — $207K *
Pharmaceuticals & Biotech
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • PhD with 8+ years in analytical chemistry, biochemistry, or related fields
  • Advanced expertise in analytical method development for biologics and vaccines
  • Experience managing scientific teams with priority setting and coaching
  • Hands-on experience with separation-based techniques like liquid chromatography
  • Proven record leading method development and technical documentation across programs
  • Ability to influence cross-functional teams and communicate complex scientific topics
  • Commitment to data integrity, safety, and quality standards

Responsibilities

  • Define and lead analytical strategies for vaccine programs
  • Manage and mentor a team of scientists for scientific execution
  • Provide leadership for analytical method development and lifecycle management
  • Resolve complex analytical challenges using cross-disciplinary input
  • Represent Analytical Development on project teams and communicate recommendations
  • Innovate analytical technologies and enhance decision-making capabilities
  • Direct the creation and review of analytical documentation
  • Develop scientific talent through mentoring and coaching opportunities

Benefits

  • 401(k) plan with matching contributions
  • Paid vacation, holidays, and personal days
  • Paid caregiver/parental leave and medical leave
  • Comprehensive health benefits including medical, dental, and vision coverage
  • Potential relocation assistance based on business needs
Full Job Description

ROLE SUMMARY:

This is a laboratory-based scientific leadership position within the Vaccines Research and Development Early Bioprocess Analytical and Formulation Development group. The Senior Principal Scientist will define and advance analytical strategies for early-phase vaccine candidates and adjuvant products, including proteins, mRNAs, conjugates, or combination modalities. The individual will manage and lead a group of scientists, providing direction, prioritization, coaching, and performance support to ensure strong scientific execution and professional development. The individual will serve as a recognized scientific resource, guide the development, qualification, transfer, and lifecycle management of separation-based, spectroscopic, mass spectrometry, and other physicochemical analytical methods, and provide high-impact technical recommendations across programs. Working with considerable autonomy, the individual will lead complex cross-functional initiatives, influence sub-function priorities, mentor scientists, and build innovative analytical capabilities that enable timely, data-driven vaccine development.

ROLE RESPONSIBILITIES:

  • Define and lead analytical control strategies for multiple vaccine programs, aligning method capabilities, product quality attributes, program risks, and development milestones.

  • Manage and lead a group of scientists, providing direction, prioritization, coaching, and performance support to ensure strong scientific execution and professional development.

  • Provide scientific leadership for the development, optimization, qualification, transfer, and lifecycle management of separation-based, spectroscopic, mass spectrometry, and other physicochemical analytical methods.

  • Independently resolve complex and ambiguous analytical challenges by integrating mechanistic understanding, experimental design, literature, platform knowledge, and cross-disciplinary input.

  • Represent Analytical Development on cross-functional project teams; communicate risks, options, and data-driven recommendations to scientific and program leadership.

  • Lead innovation in analytical technologies, AI, automation, digital tools, and data analytics to improve scientific insight, throughput, robustness, and decision quality.

  • Direct the authoring and technical review of analytical methods, protocols, development and qualification reports, specifications, certificates of analysis, stability documents, and relevant regulatory content.

  • Develop analytical talent through formal and informal mentoring, technical coaching, experimental review, and opportunities for colleagues to lead and present scientific work.

  • Forecast priorities and resource needs across programs, coordinate matrixed contributions, and ensure delivery of high-quality data and documentation in accordance with data integrity, safety, and applicable quality expectations.

BASIC QUALIFICATIONS:

  • PHD with at least 8+ years of relevant experience in analytical chemistry, biochemistry, pharmaceutical sciences, or a related discipline.

  • Advanced expertise in analytical method development and characterization of biologics, vaccines, or complex modalities, with demonstrated ability to set analytical strategy and solve complex technical problems.

  • Demonstrated experience managing and leading scientific teams, including setting priorities, providing technical and professional guidance, coaching talent, and enabling strong scientific execution.

  • Extensive hands-on and scientific leadership experience with separation-based techniques such as liquid chromatography or capillary electrophoresis.

  • Demonstrated record of leading method development, qualification, transfer, troubleshooting, and technical documentation across multiple programs or development stages.

  • Proven ability to influence cross-functional teams, make sound decisions in ambiguous situations, and communicate complex scientific conclusions and recommendations to diverse audiences. Strong scientific writing, data interpretation, project prioritization, and stakeholder-management skills.

  • Demonstrated commitment to data integrity, laboratory safety, quality standards, and development of scientific talent.

PREFERRED QUALIFICATIONS:

  • Deep knowledge of critical quality attributes and analytical control strategies for protein, mRNAs, adjuvants, or combination vaccine products.

  • Experience with liquid chromatography–mass spectrometry, orthogonal physicochemical characterization, multivariate data analysis, or advanced particle characterization.

  • Experience authoring or reviewing regulatory submissions and responding to technical questions from partner, quality, or regulatory functions.

  • Track record of scientific innovation demonstrated through new platform methods, patents, publications, external presentations, or enterprise-wide technical impact.

  • Experience implementing laboratory automation, digital workflows, artificial intelligence, or data-management solutions in analytical development.

  • Experience leading matrixed teams, mentoring scientists, and building sustainable analytical capabilities across functions or sites.


Candidate demonstrates a breadth of diverse leadership experiences and capabilities including: the ability to influence and collaborate with peers, develop and coach others, oversee and guide the work of other colleagues to achieve meaningful outcomes and create business impact.
 

PHYSICAL/MENTAL REQUIREMENTS:

  • Standard laboratory conditions – sitting, standing, primarily lab based

  • Ability to perform mathematical calculations and ability to perform complex data analysis

ADDITIONAL DETAILS:

  • Work Location Assignment: On Premise

  • Last date to apply is September 28, 2026

 

The annual base salary for this position ranges from $124,400.00 to $207,400.00. In addition, this position is eligible for participation in Pfizer’s Global Performance Plan with a bonus target of 17.5% 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.

 

 

Candidates must be authorized to be employed in the U.S. by any employer.

U.S. work visa sponsorship (such as TN, O-1, H-1B, etc.) is not available for this role now or in the future.

 

 

Research and Development

 

 

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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