Senior Research Associate , In Vivo

We are seeking a highly skilled and detail-oriented Senior Research Associate to join our contract research team. The ideal candidate will have a strong background in experimental design, technical execution, and data integrity. This role requires exceptional organizational skills, the ability to work independently, and a commitment to delivering high-quality results under strict timelines.

The In-Vivo Senior Research Associate plays a critical role in the execution of in-vivo studies within a contract research environment. This position ensures the highest standards of animal welfare, precise technical execution, and accurate data collection to support client-sponsored projects. The role requires strong attention to detail, adherence to protocols, and the ability to perform advanced procedures with minimal supervision while fostering collaboration across teams.

• Work closely with Study Directors, Coordinators, and In-Vivo Managers to ensure studies follow protocols, SOPs, and company policies.
• Track time spent on projects and maintain accurate project logs.
• Animal Handling & Welfare – Prepare animals for procedures (e.g., shaving, ear tagging) and perform humane euthanasia in mice.
• Ensure animal welfare and report abnormalities promptly.
• Administer therapeutic agents via multiple routes (IP, PO, SC, IM, , IN, IV).
• Perform subcutaneous inoculations, surgical implantations, and advanced in-vivo procedures with minimal supervision.
• Demonstrate willingness to learn new techniques and procedures as necessary for sponsored projects, including complex techniques such as orthotopic implantations and model validation.
• Collect body weight data, tumor volume measurements, and clinical observations.
• Provide feedback to team members on project progress.
• Collect tissue and blood samples; process and ship to sponsors or internal teams.
• Track samples and facilitate timely shipment to sponsor companies.
• Maintain clean work spaces, stock supplies, and assist with sample shipping.
• Serve as team leader and/or mentor for other team members as needed.

• Bachelor's degree in animal science or related field
• 5+ years of experience performing in-vivo procedures in a Vivarium environment is required
• Comfortable working in a laboratory animal research environment
• Demonstrated advanced technical expertise in essential in vivo murine oncology tumor models, including:
  • Animal handling
  • Tumor implantation and measurement
  • Gross necropsy
  • Drug preparation
  • Subcutaneous inoculations
  • Drug administration via multiple routes
  • Organ and tumor harvesting
  • Minor survival surgery
  • In-life and terminal blood collection

• AALAS certification at LAT level or higher is preferred

The California salary range for this position is: $70,871 – $80,444

This salary (or salary range) is merely an estimate and may vary based on an applicant’s skills and prior relevant experience.

Crown Bioscience is committed to a diverse and inclusive workplace. Crown Bioscience is an equal opportunity employer and does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.