**Position Objective:** Provide services as a Biologist in support of the overall functions of the Vaccine Production Program (VPP), Vaccine Research Center (VRC) within the National Institute of Allergy and Infectious Diseases (NIAID).

**Duties and Responsibilities:**

+ Develop downstream (purification) processes, under the supervision of a project lead scientist, for recombinant proteins, virus vaccines, and virus-like particles (VLP) that may be used as clinical candidates.
+ Work collaboratively within the purification group to design, develop and optimize chromatography and filtration step unit operations to support process development of clinical trial vaccine candidates and mAb products.
+ Purify research-phase recombinant proteins, virus vaccines and/or virus-like particles in support of other groups or external collaborators.
+ Work to prepare necessary materials (buffers, packed columns, etc.) in support of downstream process activities.
+ Suppo...