We are seeking a Research Associate who will be a member of our Assay Development group to develop, qualify, and perform biochemical assays and bioassays for the characterization of protein therapeutics.


  • Develop and perform ELISAs and western blots capable of measuring molecules in a diverse set of matrices, including mouse, monkey, and human serum samples
  • Contribute to the development, qualification and execution of bioassays
  • Integrate technologies that improve or expand the ability to assay molecules by working with teammates, collaborators, vendors, and staying abreast of the literature
  • Enter all data into laboratory notebooks and databases on a daily basis and generate weekly progress reports for management review
  • Participation and presentation of data at group meetings


  • BS or BA + 4 years; MS + 2 years; ideally with experience working in a biotechnology or pharmaceutical company
  • Technical experience in the development, qualification and execution of biochemical assays, such as ELISAs, western blots, and SPR
  • Experience maintaining tissue culture cells and performing bioassays
  • Experience with molecular biology, protein expression or purification is desirable
  • Goal oriented, organized, capable of working on multiple projects, and able to execute to timelines that meet company goals
  • Work well in a cross functional team environment
  • Good verbal and written communication skills
  • Driven by a desire to create the next generation of immunotherapy based cancer therapeutics and the vision to offer cancer patients efficacious and tolerable new therapies that extend and improve their lives

We offer:

  • The opportunity to work in an innovation driven, exciting biotechnology company doing ground-breaking work in the field of immuno-oncology
  • The opportunity to work within and have a significant impact on a highly motivated team of like-minded people
  • Competitive compensation package including a base salary, annual bonus potential, stock options, 401k, healthcare benefits and paid time-off
  • This is a full-time position in the Cambridge, MA area

To apply for this position, please complete the following: