Sr Associate Scientist - Conjugation Chemistry
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Sep 23, 2026. Pfizer scores B on the Alion truth index.
Why Patients Need You
Pfizer’s purpose is to deliver breakthroughs that change patients’ lives. Research and Development is at the heart of fulfilling Pfizer’s purpose as we work to translate advanced science and technologies into the therapies and vaccines that matter most. Whether you are in the discovery sciences, ensuring drug safety and efficacy or supporting clinical trials, you will apply cutting edge design and process development capabilities to accelerate and bring the best-in-class medicines to patients around the world.
Role Summary
As a Senior Associate Scientist in the Early Bioprocess Development within Pfizer Vaccine Research and Development, you will be at the center of our operations and you’ll find that everything we do, every day, is in line with an unwavering commitment to quality. You will join a large team of Scientists focused on conjugation process development for manufacturing carbohydrate-based conjugate vaccines. Primary duties include supporting the development and optimization of conjugation methods, purification, and analysis of intermediates and glycoconjugates using chemical and chromatographic methods. The individual will become a key contributor towards supporting the early development and scale up of glycoconjugate vaccines. Careful documentation of work and presentation of data is required. All work is to be done in a compliant manner according to SOP guidelines and cGMP/GLP regulations, where applicable.
Role Responsibilities
Support the development, optimization and scale-up of glycoconjugate vaccine process development.
In process analysis of glycoconjugates and intermediates.
Continuously evaluate each process and technique to determine if it is robust, appropriate, and scalable. If an operation has shortcomings or can be improved, propose solution in discussion with other group members to advance objectives.
Collaborate with colleagues within Vaccine Research and Development organization including Early Bioprocess fermentation, purification, analytical and formulation development groups.
Participate in the technology transfer of developed process to clinical manufacturing site, both internally and externally, and provide the technical support as needed.
Fully document laboratory experiments in electronic notebook in a timely and compliant manner and prepare technical reports as needed.
Perform other duties as assigned.
Qualifications
Must have
BS degree in Chemistry/Biochemistry or related discipline with 3 to 6 years laboratory experience or MS degree in Chemistry/Organic Chemistry or related discipline with 0 to 4 years of experience.
Strong background in organic chemistry is required.
Knowledge and ability to operate and maintain relevant instruments, resolve technical problems related to instruments, and execution of analytical methods.
Independently analyze and provide conclusions regarding experimental data generated.
Strong verbal and written communication skills are required.
Experience with documentation of laboratory notebook in an electronic format.
Nice To Have
Experience in carbohydrate chemistry
Hands on experience with various analytical techniques such as HPLC, MALS, UV-Vis, NMR, and other routine lab instruments.
Proficiency with personal computers including word processing, spreadsheets, PowerPoint, and relevant scientific software
Other Work Details
Work Assignment: On Site
Relocation support available
Work Location Assignment: On Premise
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.
Sunshine Act
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EEO & Employment Eligibility
Pfizer is committed to equal opportunity in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, disability or veteran status. Pfizer also complies with all applicable national, state and local laws governing nondiscrimination in employment as well as work authorization and employment eligibility verification requirements of the Immigration and Nationality Act and IRCA. Pfizer is an E-Verify employer. This position requires permanent work authorization in the United States.
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Research and Development