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Senior Associate Scientist (Contract), Conjugation Development

Vaxcyte
San Carlos, USAfull_timePosted 12 May 2026

About the role

<div class="content-intro"><h3><strong>Join our Mission to Protect Humankind!</strong></h3> <div>Vaxcyte is a clinical-stage vaccine innovation company engineering high-fidelity vaccines to protect humankind from the consequences of bacterial diseases, which have serious and costly health consequences when left unchecked. Working to eradicate or treat bacterial infections such as invasive pneumococcal disease, Group A Strep, and Shigella is just the beginning. Our path to success is clear and well-defined, and Vaxcyte is set up to go the distance. </div> <div> </div> <div><strong>WHAT</strong> we do is every bit as important as <strong>HOW</strong> we do it! Our work together is guided by four enduring core values:</div> <div> </div> <div>*RETHINK CONVENTION: We bring creative and intellectual diversity to every facet of the work we do in order to innovate and re-innovate the way vaccines are delivered.</div> <div> </div> <div>*AIM HIGH: We embody our collectively audacious goal to courageously make the most complex biologics ever attempted to protect humankind.</div> <div> </div> <div>*LEAD WITH HEART: Everyone leads at Vaxcyte with a kindness-first, inclusive approach to collaboration and vigorous debate that advances our business objectives.</div> <div> </div> <div>*MODEL EXCELLENCE:  The magnitude of our challenge requires our shared commitment to demonstrating integrity, accountability, equality and clarity across communications and decision making.</div></div><h3><strong>Summary:</strong></h3> <p>Vaxcyte is seeking Senior Associate Scientist (Contract), Conjugation Development, who will support the development of a robust process for generating the company’s proprietary pneumococcal conjugate vaccine. This role will focus on analysis of vendor-supplied materials in a capacity similar to a Quality Control Lab, as well as supporting the Conjugation Development team as needed. This is lab-based, full-time position that requires strict adhesion to protocols and documentation standards. The ideal candidate has strong organizational skills, clear communication, a high level of attention to detail, and experience working in a QC environment.</p> <h3>Essential Functions:</h3> <ul> <li>Conduct analyses of vendor-supplied samples using colorimetric assays, gel electrophoresis, and liquid chromatography while strictly adhering to established SOPs</li> <li>Support lab operations</li> <li>Track shipping details for vendor-supplied samples.</li> <li>Review analytical assay data for adherence to SOPs and accuracy.</li> <li>Maintain organized records of r

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Company

Vaxcyte

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