Research Associate, Protein Engineering

South San Francisco, CA
Apr 05, 2021
Required Education
Bachelors Degree
Position Type
Full time

Reporting Relationship: Reports to Scientist/Sr. Scientist

The Opportunity:

We seek a highly motivated research associate to support the Protein Engineering group. The successful candidate will contribute to the engineering, design, and characterization of activatable protein therapeutics, including antibodies, bispecific molecules, and cytokines. He/She will work at the cutting edge of research on new molecular formats.

Professional Responsibilities:

  • Work with project teams (internal and partnered) to design and optimize Probody therapeutic candidates derived from antibodies, bi-specific proteins, and cytokines
  • Screen antibody libraries using phage-display technology
  • Discover masking peptides using bacterial display technology and FACS
  • Organize data and communicate results in internal scientific meetings



  • B.S. and four-years industry experience or M.S. with two-years industry experience


Professional Requirements:

  • Hands-on experience and knowledge in general molecular biology and recombinant DNA technology, including DNA cloning, PCR, and plasmid construction
  • Experience with ELISA, colorimetric assays, or FACS is highly desirable
  • Hands-on experience with phage-display is highly desirable
  • Organized working style


Personal Characteristics:

  • Demonstrate a commitment to CytomX values of Integrity, Commitment, Creativity, Teamwork, Accountability, and Fun
  • Intellectually curious, enthusiastic, creative
  • Team-player comfortable in dynamic environments
  • Detail-oriented with high integrity


CytomX is an equal opportunity employer. Employment decisions are based on merit and business needs. CytomX will not discriminate against any job applicant because of race, color, national origin, ancestry, gender, sexual orientation, age, religion, creed, physical or mental disability, gender identity, medical condition, pregnancy, marital status, veteran status, or any other characteristic protected by federal, state or local law.