D. or equivalent advanced degree in the Life Sciences + No experience necessary **Preferred Qualifications:** + Experience with viral vector process development, including upstream production (e.g., suspension culture, transfection parameters, bioreactor scale-up) and downstream purification and concentration strategies + Experience developing and optimizing bioprocesses that are intentionally designed for scalability into STR culture and manufacturability + Strong understanding of viral transduction mechanisms, tropism and integration + Proficiency with aseptic mammalian cell culture, preferably including primary T cell culture, activation and expansion + Familiarity with analytical characterization and critical quality attributes for an in vivo CAR-T drug product (titer, purity, potency, sterility) + Understanding of T-cell biology and immunology relevant to CAR-T - activation, transduction efficiency, phenotype and functional assays + Experience with T-cell manufacturing workflows - apheresis material handling, activation, gene delivery, expansion, formulation + Understanding of statistical design of experiments methodology and data analysis for process optimization + Familiarity with lipid nanoparticle (LNP) or other nanoparticle-based delivery systems for in vivo and/or ex vivo T-cell targeting and engineering + Knowledge of, or hands-on experience with, site-specific gene-editing (preferably CRISPR-Cas, base or prime editing) technologies + Working knowledge of analyzing and interpreting data from flow-based cellular, and PCR/sequencing based molecular assays + Awareness of incorporation of cell-targeting ligands in vectors, for in vivo T-cell, or organ-selective targeting + Effective written and verbal communication skills for exchanging technical and scientific information with cross-functional teams + A collaborative team player who can effectively multi-task as well as excel independently in a fast-paced, dynamic and innovative environment \#LI-Onsite If you come across a role that intrigues you but doesn't perfectly line up with your resume, we encourage you to apply anyway. **Work-life benefits include:** Paid Time Off + US Exempt Employees: flexible time off (unlimited, with manager approval, 11 paid national holidays (not applicable to employees in Phoenix, AZ, Puerto Rico or Rayzebio employees) + Phoenix, AZ, Puerto Rico and Rayzebio Exempt, Non-Exempt, Hourly Employees: 160 hours annual paid vacation for new hires with manager approval, 11 national holidays, and 3 optional holidays Based on eligibility*, additional time off for employees may include unlimited paid sick time, up to 2 paid volunteer days per year, summer hours flexibility, leaves of absence for medical, personal, parental, caregiver, bereavement, and military needs and an annual Global Shutdown between Christmas and New Years Day.