Tech - CLS - Clinical Lab Scientist

Company: Providence Mission Hospital Mission Viejo
Location: Mission Viejo
Posted on: April 1, 2026

Job Description:

A Clinical Laboratory Scientist (CLS) , also known as a Medical Laboratory Scientist (MLS) , is a healthcare professional responsible for performing complex laboratory tests on patient samples to aid in the diagnosis, treatment, and monitoring of various medical conditions. CLS professionals are highly trained in laboratory techniques, equipment, and scientific principles and work with physicians, lab technicians, and other healthcare professionals to ensure accurate and timely results. Key Responsibilities : Laboratory Testing and Analysis : Perform complex and specialized laboratory tests on biological specimens, including blood, urine, tissue, and other body fluids. Analyze test results to detect diseases, conditions, and abnormalities such as infections, cancer, organ dysfunction, or blood disorders. Operate and maintain sophisticated laboratory equipment such as microscopes, analyzers, and centrifuges to perform diagnostic tests. Conduct testing in areas such as hematology , microbiology , clinical chemistry , immunology , immunohematology (blood banking), and molecular diagnostics . Quality Control and Assurance : Ensure the accuracy, precision, and reliability of test results through routine quality control (QC) procedures and calibration of laboratory instruments. Monitor the performance of reagents, instruments, and tests to ensure they meet established standards. Troubleshoot and resolve issues with laboratory equipment or discrepancies in test results. Maintain and document records of quality control checks, and make adjustments as necessary. Sample Collection and Preparation : In some cases, work closely with phlebotomists or other staff to ensure proper specimen collection, handling, and storage. Ensure that samples are properly labeled, processed, and stored according to standard operating procedures (SOPs). Handle hazardous materials and biological specimens following safety protocols and infection control standards. Data Interpretation and Reporting : Analyze laboratory test results and interpret findings to provide diagnostic information to physicians and healthcare teams. Generate and report test results, noting any abnormalities or clinically significant findings that may require further investigation or immediate action. Communicate critical or urgent results to physicians or clinical staff promptly. Ensure timely and accurate entry of test results into laboratory information systems (LIS) or electronic medical records (EMR). Collaboration and Consultation : Work closely with pathologists, physicians, and other medical professionals to discuss test results and provide recommendations for further testing or treatment. Assist in the development of laboratory protocols, ensuring that laboratory testing procedures align with best practices, accreditation standards, and regulatory requirements. Provide consultation on laboratory tests and contribute to patient care decisions based on test results. Compliance and Safety : Adhere to safety standards and regulations, including those set by CLIA (Clinical Laboratory Improvement Amendments), CAP (College of American Pathologists), and OSHA (Occupational Safety and Health Administration). Ensure compliance with laboratory accreditation standards and implement safety measures to protect staff and patients. Maintain a clean, sterile, and safe laboratory environment, following infection control protocols. Research and Development : Participate in clinical research studies to help improve laboratory testing methods, diagnostic techniques, and patient care. Stay current with new developments in laboratory science, such as emerging technologies and diagnostic techniques. Contribute to the development and validation of new laboratory tests, reagents, and procedures. Supervision and Training : Mentor and provide guidance to laboratory technicians, phlebotomists, and other support staff, ensuring they follow appropriate laboratory practices. Assist in training new employees or students, providing knowledge on laboratory techniques, equipment use, and safety protocols. Conduct educational sessions and workshops to keep staff informed about advances in laboratory science and best practices. Laboratory Administration : Assist with the maintenance of laboratory supplies, ordering necessary reagents, chemicals, and equipment. Keep track of inventory and ensure that lab supplies are used efficiently and reordered in a timely manner. Contribute to lab management activities, including record-keeping, policy development, and procedure updates.

Keywords: Providence Mission Hospital Mission Viejo, Rancho Cucamonga , Tech - CLS - Clinical Lab Scientist, Science, Research & Development , Mission Viejo, California