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Clinical Laboratory Scientist

CLS Connect
Palo Alto, CA Full Time
POSTED ON 12/11/2025 CLOSED ON 1/10/2026

What are the responsibilities and job description for the Clinical Laboratory Scientist position at CLS Connect?

Role 1: Clinical Laboratory Scientist – Histocompatibility (Serology)

In this role, the CLS will perform advanced HLA-related testing within our serological laboratory, supporting both routine and deceased donor transplant workups.


Key Responsibilities:

  • Perform HLA antibody identification, serological crossmatching, and associated testing for transplant evaluations.
  • Test, analyze, interpret, and accurately report laboratory results.
  • Monitor quality control, identify trends or shifts, and document findings.
  • Troubleshoot assays and instrumentation using SOPs and manufacturer resources.
  • Serve as an advanced technical resource for fellow CLS team members.
  • Perform complex assays and participate in training and competency evaluations for technicians and other CLS personnel.
  • Contribute to laboratory projects and take a lead role in mentoring junior staff.


Role 2: Clinical Laboratory Scientist – Donor Testing

We are also hiring CLS professionals to perform donor and patient testing using both automated and complex manual methodologies.


Key Responsibilities:

  • Conduct clinical testing and analysis of patient and donor specimens, including highly complex manual assays.
  • Validate and record results, ensuring accuracy and compliance with laboratory specifications.
  • Apply appropriate control measures and protocols, addressing abnormal results and notifying Supervisors as necessary.
  • Maintain inventory, perform routine preventive maintenance, and document all activities.
  • Perform basic troubleshooting and escalate instrument issues to senior team members.
  • Maintain up-to-date knowledge of assigned specialty areas.
  • Work independently while operating under the supervision of a Supervisor, Director, or designee.


Compensation & Schedule

  • Hourly Rate: $65–$72 per hour
  • Night Shift Differential: Additional 16% of hourly rate
  • Schedule: Night shift, starting at 10:00 PM or 11:00 PM

Salary : $65 - $72

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