Pfizer

Associate Scientist, Seasonal Strain Change Vaccines

Pfizer$60K — $100K *
Pharmaceuticals & Biotech
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in molecular biology, cell biology, virology, or a related scientific field with 1–3 years of laboratory research experience.
  • Hands-on laboratory experience with standard molecular biology techniques (PCR, RT-qPCR, E. coli transformation, DNA/RNA extraction and purification) and mammalian cell culture.
  • Working knowledge of molecular biology and sequence analysis software such as Geneious, with proficiency in Microsoft Office and GraphPad Prism.
  • Attention to detail, solid problem-solving skills, and ability to manage multiple competing priorities.
  • Excellent interpersonal and communication skills, effective in collaborative, cross-functional environments.

Responsibilities

  • Perform standard molecular biology techniques for vaccine development.
  • Support the production and characterization of mRNA drug substances and products.
  • Maintain multiple mammalian cell lines for experimental assays.
  • Conduct cell-based assays to evaluate vaccine candidate potency.
  • Develop and optimize novel assays for vaccine evaluation.
  • Document experimental work thoroughly and maintain lab records as per compliance requirements.
  • Collaborate effectively with team members and support team-building activities.

Benefits

  • 401(k) plan with matching contributions and additional retirement savings contribution.
  • Paid vacation, holidays, and personal days.
  • Paid caregiver/parental and medical leave.
  • Comprehensive health benefits including medical, dental, and vision coverage.
  • Relocation assistance may be available based on business needs.
Full Job Description

Role description

The Research Platform Technology Team within the Department of Seasonal Strain Change Vaccines is seeking a motivated Associate Scientist to join a collaborative, team-oriented group advancing the preclinical development of multiple vaccine programs and platform technologies. In this role, you will support vaccine production and characterization, assay development, platform optimization, and the evaluation of novel technologies. Your contributions will help generate the preclinical data needed to inform key go/no-go decisions across multiple viral and bacterial vaccine programs.  The successful candidate will be a reliable team player who enjoys working across teams and adapts well in a dynamic environment. This is an exciting opportunity for an early-career scientist to broaden their technical skill set while contributing to meaningful vaccine research in a collaborative and supportive environment.

What You Will Achieve

  • Perform standard molecular biology techniques such as cloning, RT-qPCR, nucleic acid purification, bacterial transformation, in vitro transcription, and related methods. 

  • Support the production and characterization of mRNA drug substance and mRNA-LNP drug product using established protocols and analytical assays. 

  • Maintain multiple mammalian cell lines. 

  • Perform cell-based assays to assess vaccine candidate potency.

  • Support the development, troubleshooting, and optimization of novel assays for the in-depth evaluation of vaccine candidates and platform strategies. 

  • Analyze, interpret, and summarize results, and present experimental progress and findings in team and departmental meetings as needed. 

  • Document all work thoroughly and maintain clear, accurate, and complete records in laboratory notebooks in compliance with Pfizer Laboratory Notebook requirements. 

  • Maintain reagent and sample inventories and support maintenance of laboratory supplies. 

  • Remain current on all safety and quality training in accordance with departmental requirements. 

  • Organize work to meet deadlines and learn new technical skills as needed. 

  • Collaborate effectively and contribute as an engaged team member. 

  • Participate in company and team events, such as town hall meetings, milestone celebrations, and team-building activities, to build connections and celebrate shared successes. 

  • Perform other tasks as assigned.  

Qualifications

Must Have

  • Bachelor's degree in molecular biology, cell biology, virology, or a related scientific field with 1–3 years of laboratory research experience,

  • Hands-on laboratory experience with standard molecular biology techniques (e.g., PCR, RT-qPCR, E. coli transformation, DNA/RNA extraction and purification) and mammalian cell culture

  • Working knowledge of molecular biology and sequence analysis software such as Geneious, with proficiency in Microsoft Office, GraphPad Prism. 

  • Attention to detail, solid problem-solving skills, and the ability to manage multiple competing priorities. 

  • Excellent interpersonal and communication skills, with the ability to work effectively in a highly collaborative, cross-functional environment.

Nice to Have

  • Industry experience is preferred.

  • Master's degree in a related scientific field with 0–1 year of laboratory research experience. 

  • Hands-on experience with cloning, DNA sequencing, immunofluorescence assays, and flow cytometry.

  • Previous experience working with mRNA is highly desirable.

  • Experience using AI tools such as Copilot, Gemini, or similar platforms to improve productivity and efficiency.

PHYSICAL/MENTAL REQUIREMENTS

  • Routine laboratory work, including aseptic technique and adherence to biosafety procedures.

  • Ability to stand for extended periods, perform repetitive pipetting, and lift/move standard laboratory consumables in accordance with site guidelines.

  • Ability to work effectively in a high-visibility research program with time-sensitive milestones.


Relocation support available
Work Location Assignment: On Premise

The annual base salary for this position ranges from $60,200.00 to $100,400.00. 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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