Pfizer

Principal Scientist

Pfizer$99K — $165K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree with at least 4 years experience; OR a master's degree with at least 2 years experience; OR a PhD with 0+ years of experience; OR an associate's degree with 8 years experience; OR a high school diploma and 10 years of relevant experience.
  • Experience in Technical Services, Manufacturing Science & Technology (MS&T), or pharmaceutical manufacturing
  • Demonstrated experience in process development, validation, or technology transfer
  • Experience with investigations and troubleshooting of manufacturing processes
  • Strong analytical, problem-solving, and communication skills.

Responsibilities

  • Support the design and implementation of new or revised manufacturing processes with cross-functional teams.
  • Design and execute experimental studies to evaluate process performance and scalability.
  • Conduct laboratory studies and analyze data to drive process improvement and product understanding.
  • Lead investigations on process performance deviations and root cause analysis.
  • Support lifecycle activities for PC1 products, including validation and change control.
  • Serve as a technical SME for lyophilization, aiding in cycle optimization and troubleshooting.
  • Assist in developing technical documentation and training for operations staff.

Benefits

  • 401(k) plan with Pfizer Matching Contributions and additional Retirement Savings Contributions
  • Paid vacation, holiday, and personal days
  • Paid caregiver/parental and medical leave
  • Health benefits including medical, prescription drug, dental, and vision coverage
  • Relocation assistance may be available based on business needs.
Full Job Description
ROLE SUMMARY

Accountable for supporting activities involved in the design, development, transfer, and lifecycle management of manufacturing processes for sterile pharmaceutical products. The candidate selected will be a subject matter expert for PC1 Lifecycle & Lyophilization.

Applies scientific and engineering principles to support the transfer of technology from development into manufacturing, including evaluation of process variability, scale-up considerations, and operational constraints. Contributes to the development of robust, compliant, and scalable manufacturing processes, including new or revised process designs. Designs and executes experimental studies, analyzes process performance, and supports process control strategies to ensure consistent product quality. Serves as a technical resource for process-related issues, supporting troubleshooting efforts and resolving moderately complex manufacturing and equipment-related problems.

Operates as a strong individual contributor, applying comprehensive knowledge of the discipline, working independently on routine activities, and exercising judgment to resolve moderately complex problems while receiving guidance on more complex challenges.

ROLE RESPONSIBILITIES

Process Design, Development & Technical Execution
  • Support the design, development, evaluation, and implementation of new or revised manufacturing processes in collaboration with Co-Dev teams and manufacturing operations.
  • Design and execute experimental protocols, studies, and measurements to evaluate process performance, variability, scalability, and control of critical process variables.


Scientific Studies & Data Analysis
  • Conduct laboratory and engineering studies and analyze data to support product understanding, process performance, technical decision-making, and process improvements.
  • Author and review technical reports and provide input on product characterization and analytical methodologies, ensuring scientific rigor and inspection readiness.


Investigations, Troubleshooting & Problem Solving
  • Lead or support investigations related to deviations, discrepancies, and process performance issues, including root cause analysis and development of effective CAPA.
  • Troubleshoot and resolve process and equipment-related challenges in commercial manufacturing while serving as a scientific and technical representative for facility process issues.


PC1 Product Lifecycle Management
  • Support end-to-end lifecycle activities for PC1 products, including technology transfer, scale-up, process validation, CPV monitoring, change control, and post-approval change implementation.
  • Develop technical impact assessments, support change execution plans, and collaborate cross-functionally to ensure process robustness, compliance, supply continuity, and continuous improvement.


Lyophilization SME (Lyo) Support
  • Serve as a Technical Services SME for lyophilization, providing technical support for cycle understanding and optimization, equipment capability, process performance evaluation, and troubleshooting of lyo-related product or process issues.
  • Support development of process understanding and control strategies for lyophilization operations.


Process Improvement & Change Management
  • Support process and product improvements, including application of process analytical technologies (PAT) and evaluation and implementation of process, equipment, and system changes.
  • Assist in developing and updating technical documentation and procedures, and provide technical support and training to operations and technical staff.


Cross-Functional Collaboration & Project Contribution
  • Work independently or as part of project teams to achieve technical objectives and contribute to moderately complex projects impacting the department.
  • Provide technical recommendations and solutions for moderately complex problems in collaboration with Operations, Quality, Validation, and Engineering.


BASIC QUALIFICATIONS
  • Applicant must have a bachelor's degree with at least 4 years of experience; OR a master's degree with at least 2 years of experience; OR a PhD with 0+ years of experience; OR an associate's degree with 8 years of experience; OR a high school diploma (or equivalent) and 10 years of relevant experience.
  • Experience in Technical Services, Manufacturing Science & Technology (MS&T), or pharmaceutical manufacturing
  • Demonstrated experience in:
  • Process development, validation, or technology transfer
  • Investigations and troubleshooting of manufacturing processes
  • Working knowledge of cGMP and regulatory requirements
  • Strong analytical, problem-solving, and communication skills


PREFERRED QUALIFICATIONS
  • Experience supporting product lifecycle management activities (CPV, change control, Post Approval Changes)
  • Experience with sterile injectable manufacturing processes
  • Experience with lyophilization process development or troubleshooting
  • Experience working in cross-functional and project team environments
  • Familiarity with digital or AI tools to support data analysis and productivity


Work Location Assignment: Hybrid

Limited travel required. Some non-standard work hours support of global conference calls, 24/7 manufacturing, etc. required when needed, though not typical of weekly requirements.

OTHER JOB DETAILS

Last Date to Apply for Job: Sep 3rd, 2026.

Referral Bonus Eligibility: YES

Eligible for Relocation Package: Yes

The annual base salary for this position ranges from $99,200.00 to $165,400.00. 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.

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.

Engineering

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

Similar Jobs

More Jobs at Pfizer

More Pharmaceuticals & Biotech Jobs

  • GxP Project Manager
    $120K — $145K *
    Katalyst HealthCares and Life Sciences
    San Francisco, CA 94112 (San Francisco County)
  • QA Documentation Specialist 2
    $80K — $95K *
    Katalyst HealthCares and Life Sciences
    Portsmouth, NH 03801 (Rockingham County)
  • Equipment Engineer
    $90K — $110K *
    Katalyst HealthCares and Life Sciences
    Summit, NJ 07901 (Union County)
  • Product Quality Engineer
    $110K — $130K *
    Katalyst HealthCares and Life Sciences
    North Chicago, IL 60064 (Lake County)
  • Quality Engineer ~ Tech Writer
    $80K — $95K *
    IntePros
    North Haven, CT 06473 (South Central Ct County)

Find similar Principal Scientist jobs: