Scientist I (Contract), Drug Product Analytics
Quick Summary
Join our Mission to Protect Humankind! Vaxcyte is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases,
Vaxcyte is looking for an energetic and talented individual to join our Drug Product Development team. The candidate must have knowledge of and practical experience in analyzing and characterizing biomolecules (proteins, polysaccharide conjugates, vaccines) using a variety of methods, especially immunoassays and multiplexed immunoassay formats. Experience in analyzing vaccine and adjuvant-containing formulations is a plus.
In addition, Vaxcyte is looking for an experienced and flexible individual who would be comfortable working on multiple projects at once, with fluid prioritization to enable aggressive timelines. This position is for a lab-based scientific role and requires excellent scientific judgement, independence, rigor, and thorough record-keeping.
- Execute routine and non-routine analysis of internal release, development, and stability samples using a variety of analytical techniques across Drug Product working groups, ensuring high-quality data generation and reporting.
- Support the execution, optimization, and continuous improvement of Vaxcyte’s internal multiplex immunoassay (MSD) assay suite, including troubleshooting assay performance, improving robustness, and supporting assay lifecycle management.
- Design, execute, and interpret experiments to support non-GxP stability studies including thermal, freeze/thaw, agitation, and container closure system evaluations for both Drug Substance and adjuvanted vaccine Drug Product materials.
- Analyze and interpret complex assay data, identify trends or deviations, and communicate findings to project teams to support development decisions.
- Contribute to method development, qualification, and technology transfer activities, including collaboration with external analytical laboratories and manufacturing CMOs.
- Author and review technical documentation including assay protocols, SOPs, reports, study plans, and technical summaries in support of development and analytical activities.
- Support the Vaxcyte PCV and VAXA1 programs through cross-functional collaboration with Drug Product Development, Formulation, Analytical Development, Quality, and external partners.
- Vaxcyte is seeking a flexible and collaborative scientist comfortable managing multiple priorities in a fast-paced development environment. This role is predominantly lab-based and requires strong scientific judgment, independence in experimental execution, rigor in data analysis, and meticulous record keeping.
Requirements
~2 min read- PhD, MS or Bachelor’s degree in Chemistry, Biochemistry, Biology, Pharmaceutical Sciences, or a related scientific discipline. PhD with 1-2 years relevant industry experience; MS with 5+ years relevant industry experience; BS with 8+ years of relevant industry experience.
- Hands-on experience developing, optimizing, and executing ELISA or multiplex immunoassays (MSD preferred) with demonstrated ability to troubleshoot assay performance and interpret assay data.
- Experience supporting analytical characterization of biologic or vaccine Drug Products, ideally including materials in pre-filled syringes or vials.
- Experience supporting bioanalytical components of product release testing and stability studies, including biochemical, biophysical, imaging, and compendial methods.
- Familiarity with plate-based assays (Lowry, BCA, etc.), multiplexed immunoassays (MSD), microscopy methods (brightfield, scanning electron microscopy), compendial methods (osmolality, pH, etc.), and particle characterization techniques (PSD, zeta potential).
- Experience analyzing and visualizing assay data using software tools such as Excel, Prism, or equivalent statistical/data analysis platforms.
- Experience authoring analytical technical documentation including method protocols, SOPs, reports, and study summaries, and maintaining well-documented electronic laboratory notebooks (ELN).
- Strong organizational skills and the ability to manage multiple projects and shifting priorities in a dynamic development environment.
- Strong interpersonal and communication skills, with the ability to effectively collaborate across teams and train or mentor junior analysts when needed.
- Detail-oriented with a high level of scientific rigor and excellence in data integrity and record keeping.
We are an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Location & Eligibility
Listing Details
- Posted
- May 21, 2026
- First seen
- May 21, 2026
- Last seen
- May 21, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 67%
- Scored at
- May 21, 2026
Signal breakdown
Vaxcyte is transforming vaccine development to prevent and treat serious bacterial infections with innovative, high-fidelity vaccines.
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