Pfizer

Sr Associate Scientist/Engineer Purification

Pfizer$68K — $114K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • BA/BS with at least 3 years experience or MBA/MS with any years of experience
  • Expertise in designing, planning, and executing purification and recovery activities including chromatography, TFF, and NFF
  • Strong analytical skills for effective application in various scenarios
  • Proficiency in experimental design and data interpretation
  • Experience with operational efficiency improvements
  • Ability to prioritize work to meet project deadlines
  • Effective collaboration and communication skills

Responsibilities

  • Design, plan, and execute purification and recovery activities
  • Develop and test new hypotheses related to recovery and purification processes
  • Plan and implement operational efficiency improvements
  • Continuously analyze data and implement changes
  • Analyze and interpret experimental data and methodologies
  • Present findings and propose solutions in discussions
  • Independently analyze experimental data and prioritize work effectively

Benefits

  • 401(k) plan with company matching contributions
  • Paid vacation, holiday, and personal days
  • Paid caregiver, parental, and medical leave
  • Comprehensive health benefits including medical, dental, and vision coverage
  • Relocation assistance based on business needs and eligibility
  • Participation in the Global Performance Plan with a bonus opportunity
Full Job Description
What You Will Achieve

In this role, you will:

  • Design, plan, and execute purification and recovery activities, incorporating literature reviews and experimental design in consultation with your supervisor

  • Develop and test new hypotheses to enhance the understanding of recovery and purification processes

  • Plan and implement operational efficiency improvements across Bioprocess R&D work processes

  • Continuously analyze data, identify problems, and implement changes after discussions with peers or supervisors

  • Analyze and interpret experimental data, results, and methodologies with guidance, presenting findings effectively

  • Present problems and propose solutions in group discussions, contributing to work group goals

  • Independently analyze, interpret, and conclude experimental data, prioritizing work to meet project deadlines

  • Apply technical skills to assignments, choosing between alternatives to solve moderately complex problems

  • Follow procedures for assignments with general instructions, working under moderate supervision with regular review

  • Identify activities to support team goals, participating and contributing effectively as a team member


Here Is What You Need (Minimum Requirements)
  • BA/BS with at least 3 years of experience or MBA/MS with any years of experience

  • Demonstrated expertise in independently designing, planning, and executing purification and recovery activities including chromatography, TFF, and NFF.

  • Strong analytical skills and the ability to apply them effectively in various scenarios

  • Proficiency in experimental design and data interpretation

  • Experience with operational efficiency improvements

  • Ability to prioritize work to meet project deadlines

  • Effective collaboration and communication skills

Bonus Points If You Have (Preferred Requirements)
  • PhD Degree

  • A sound understanding of statistical experimental design and analysis

  • Proficiency with personal computers, including word processing, spreadsheets, PowerPoint, and relevant scientific software

  • Strong problem-solving skills and the ability to choose between alternatives to solve moderately complex problems

  • Proactive in identifying activities to support work group/project team goals

  • Experience using common AI tools, including generative technologies such as ChatGPT or Microsoft Copilot, to support problem solving and enhance productivity. Demonstrated curiosity for exploring how these tools can improve outcomes and understanding of responsible AI practices, including risk management and ethical use

Physical / Mental requirements
  • Might include Lifting, sitting, standing, walking, bending, ability to perform mathematical calculations and ability to perform complex data analysis.

Non-Standard work schedule, travel or environment requirements
  • May require some non Standard work schedule

Other job details
  • Last day to apply July 30th, 2026

  • Work Location Assignment: On Premise

The annual base salary for this position ranges from $68,600.00 to $114,300.00. 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.

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.

To learn more about acceptable and prohibited uses of AI during the recruitment process, please review our candidate AI-use guidelines available on Pfizer Careers.

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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