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Research Associate II, Protein Sciences

Pheast Therapeutics
Palo Alto, CA Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 2/7/2026

Summary:

Pheast is seeking an enthusiastic and creative Research Associate to join the Protein Sciences group. This candidate will carry out routine mammalian tissue culture, transfections, protein biochemistry, molecular biology and related tasks. The candidate will also collaborate as needed with team members in the Biologics and Discovery groups. There will be many opportunities to learn new skills, furthering professional growth and development at a fast-growing biotechnology startup.


Responsibilities:

Position responsibilities may include, but are not limited to:


  • Expression and purification of antibodies and fusion proteins to support antibody discovery, characterization, and pre-clinical validation of leads.
  • Purification of recombinant proteins and antibodies using affinity-based and conventional chromatographic separation techniques
  • Perform quality assessment utilizing a variety of techniques, such as SDS-PAGE, SEC-HPLC, endotoxin assay, etc.
  • Perform mammalian cell culture
  • Perform transient transfections
  • Keep detailed and organized records of experiments
  • Present data at weekly group meetings



Qualifications:


  • BS/MS in biology/biochemistry/microbiology or related field, preferably with 2 years of relevant industry experience
  • Basic understanding of molecular biology
  • Attention to detail and ability to quickly learn new skills
  • Ability to keep well-organized and clear records of experiments
  • Strong oral and written communications skills
  • Ability to prioritize tasks and employ effective time management strategies
  • Good critical thinking skills
  • Previous experience in the biopharma industry
  • Demonstrated proficiency with various modes of chromatography, including affinity, IEX, and SEC.
  • Proficient in the use of AKTA for protein purification
  • Protein characterization techniques such as UV spectroscopy, SDS-PAGE, Western Blot, analytical SEC, endotoxin assays, etc.
  • Tissue culture experience desired


Pheast is proud to be an equal opportunity employer and we value diversity. Pheast does not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other status protected under federal, state, or local law.

Salary : $85,000 - $90,000

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