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Associate Scientist (Molecular Biology)

Philadelphia, PA

About the Position

This is a laboratory scientist position, reporting to the Associate Principal Scientist/Head, Molecular Biology. The Molecular Biologist, under supervision, will aid in new assay development using the Luminex platform, as well as ELISA. The candidate will also engage in characterizing peptides and proteins, and perform ELISAs (Luminex™), and other assays as needed. The candidate will also closely work with the translational team to support and run clinical assays. The position offers growth into additional areas such as cell biology and molecular biology, immunology, and cell therapy. The position involves both technical and operational responsibilities.

Responsibilities Include

  • Set up, validate, and execute Luminex-based and ELISA assays.
  • Actively contribute to process improvements, implement new techniques and innovative trends.
  • Manage multiple internal projects from R&D, Quality, Analytical, and Manufacturing Sciences and collaborate with external sources.
  • Show a high level of flexibility in supporting various other activities and be ready to learn new techniques outside of existing field of expertise.
  • Perform lab associated tasks in accordance with cGLP and Cabaletta Bio lab safety policies
  • Maintain GLP-compliant and detailed records for clinical sample lifecycle (receipt, usage, etc.)
  • Perform protein purification of clinical serum samples for use in qualified assays.
  • Perform lab associated tasks in accordance with GLP and Cabaletta Bio lab safety policies and SOPs.
  • Maintain accurate and well-organized records and electronic laboratory notebook

Required Qualifications

  • BSc or MS degree in Biology (or closely related field) or 2-5 years of experience.
  • Hands on experience with molecular biology techniques 
  • Experience with cell culture (aseptic technique) and molecular biology is required. 
  • Experience in a startup industrial setting highly desirable. 
  • General lab skills; including sterile technique, human tissue handling. 
  • Experience with clinical sample handling and inventory management.
  • Previous experience with GLP/GCP & ICH regulations
  • Must be highly organized and able to work independently. 
  • Prior work experience in matrix managed organizations and ability to work in a team-oriented culture.
  • Must be able to clearly communicate in writing, must have a desire to be part of a growing organization that uses cutting-edge science.
  • A high level of flexibility to support various other activities and the ability to learn new techniques outside of the existing field of expertise.

How to Apply

Please email directly to submit an application.

Please include your CV along with the title of the position you are applying for.


Our most important asset is our people and we offer competitive benefits including health and retirement, PTO, and stock option plans.

Equal Opportunity Employer

Cabaletta Bio is an equal opportunity employer. We do not discriminate on the basis of race, color, gender, gender identity, sexual orientation, age, religion, national or ethnic origin, disability, protected veteran status or any other basis protected by applicable law.