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Research Associate Contractor – Lead Discovery and Optimization

Arcus Biosciences
Hayward, CA Contractor
POSTED ON 11/26/2025
AVAILABLE BEFORE 1/26/2026

We currently have an opportunity for a Research Associate Contractor to join our Lead Discovery and Optimization group. The Lead Discovery and Optimization group is central to the assessment and selection of drug candidates and the advancement of research programs into clinical evaluation.

 

We are looking for an enthusiastic and motivated research associate to join our Lead Discovery and Optimization team. The job requires the application of creative problem-solving approaches to the execution of new biochemical and cell-based assays. The successful candidate will have excellent practical laboratory skills coupled with aptitude and enthusiasm for automated laboratory assay techniques.

 

Responsibilities

 

  • Executing micro-plate-based in vitro biochemical and cell-based enzymatic and ligand binding assays.
  • Maintaining mammalian cell culture and conducting transient and stable mammalian cell protein expression.
  • Performing practical laboratory work, managing day-to-day tasks and ensuring timely delivery of high-quality results.
  • Utilizing liquid handling systems and laboratory robotics to implement in vitro assays.
  • Contributing to lab meeting discussions and assisting in the analysis and reporting of experimental data to project teams.

 

Qualifications

 

  • Bachelor’s/Master’s degree with 0 years of industry experience in molecular biology/biochemistry or related field.
  • Practical experience with common cell biology techniques such as mammalian cell culture, transient and/or stable transfection.
  • Proven laboratory skills coupled with an aptitude for critical thinking and exceptional attention to detail.
  • Candidates familiar with some of the following protocols will be regarded favorably: ELISA, Fluorescence Polarization, Luminescence, Absorbance, FRET and AlphaLISA® as well as enzyme and inhibitor characterization.
  • Familiarity with liquid handling systems and laboratory automation would be an advantage.
  • Strong communications skills, self-motivation and proven ability to work effectively both in a team environment and independently.
  • Demonstration of detailed record keeping and data documentation.

Arcus Biosciences is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind. Arcus is committed to the principle of equal employment opportunity for all employees and does not discriminate based on race, religion, color, sex, gender identify, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other legally protected status. EOE/AA/Vets 

#LI-JS1 

 

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