Senior Scientist; Flow Cytometry Santa Monica, CA

• 5+ years of 18 color flow cytometry panels
  MUST HAVE
• Working experience with automation instruments

We are seeking a Senior Scientist contractor to support our Attribute Sciences team, with a primary focus on multiparameter flow cytometry assay execution, optimization, and analysis for cell therapy programs. This role will be responsible for running complex flow cytometry assays, including large-panel immunophenotyping assays with 11-18 colors
, and generating high-quality data to support product and process understanding across development stages. The ideal candidate brings deep technical expertise in flow cytometry panel execution, troubleshooting, and data analysis
, along with strong laboratory rigor and documentation practices. This is an on-site contractor role based in Santa Monica, CA
, reporting to the Associate Director, Attribute Sciences
.

• Execute, optimize, and troubleshoot complex 11-18 color flow cytometry panels for deep phenotypic and functional characterization of cell therapy products.
• Prepare, stain, acquire, and analyze flow cytometry samples with a high degree of technical accuracy, reproducibility, and attention to sample handling.
• Support flow assay development and refinement
  , including panel optimization, titration, compensation strategy, control assessment, and gating strategy development.
• Generate high-quality flow cytometry data to support analytical development, process characterization, and product understanding.
• Analyze and interpret complex datasets using tools such as Flow Jo and Graph Pad Prism and clearly communicate findings to cross-functional partners.
• Maintain accurate and complete experimental records and follow good documentation practices in a fast-paced laboratory environment.
• Contribute to assay readiness and laboratory operations
  , including reagent tracking, instrument coordination, and general support for flow cytometry workflows.
• Identify technical issues proactively and apply sound scientific judgment to troubleshooting assay performance and data quality.

• BS/BA with 6+ years
  , MS/MA with 4+ years
  , or PhD with 2+ years of relevant experience in immunology, cell biology, oncology, or a related discipline in a biotechnology, biopharmaceutical, CRO, or academic setting.
• Deep hands-on experience with multiparameter flow cytometry
  , especially large-panel assays (10+ colors), including sample preparation, staining, compensation, acquisition, and downstream analysis.
• Demonstrated experience in flow cytometry panel optimization, assay troubleshooting, and data interpretation
  .
• Strong proficiency with Flow Jo required
  ; experience and familiarity with OMIQ
  , Graph Pad Prism, R or Python is a plus.
• Ability to work independently
  , manage experimental execution with minimal oversight, and deliver high-quality results on schedule.
• Strong troubleshooting, organization, and critical thinking skills
  .
• Excellent attention to detail and commitment to data integrity and good documentation practices
  .
• Prior experience in cell therapy
  , immunology-focused assay support
  , or related analytical development environments is strongly preferred.