Clinical Laboratory Scientist, Full-Time Variable Shift

Centered in beautiful Southern California, Adventist Health Simi Valley has been one of the area's leading healthcare providers since 1965. We are comprised of a 144-bed hospital, home care services and a vast scope of award-winning services located throughout Ventura County. Simi Valley is a suburban area nestled between an urban oasis and the stunning shores of the Pacific Ocean. Bordering Los Angeles allows hiking in the morning and attending film premieres in the evening.Job Summary:Prioritizes and performs a wide variety of clinical laboratory tests on various biological specimens. Reviews, evaluates, documents and reports results. Preserves confidentiality of patients and follows lab safety and maintenance protocols. Trains and supervises trainees, laboratory assistants and clerks as needed.Job Requirements:Education and Work Experience:Bachelor’s Degree in medical technology, clinical laboratory science, biological sciences, chemical sciences or allied health technologies or equivalent: RequiredClinical laboratory experience: PreferredLicenses/Certifications:Valid Clinical Laboratory Scientist (CLS) license in state of employment: Required in CACurrent certification from American Society for Clinical Pathology (ASCP) or National Credentialing Agency for Labs (NCA): PreferredEssential Functions:Employs positive patient identification procedures to ensure the integrity of each specimen for pre-analytical, analytical and post-analytical testing. Performs proper specimen collection (including phlebotomy procedures as necessary), labeling, handling, preservation or fixation, processing or preparation, transportation and storage. Adheres to Health Insurance Portability and Accountability Act (HIPAA) and other patient confidentiality guidelines and regulations.Prioritizes lab orders according to type (STAT, ASAP, routine and timed studies) and performs various testing (including chemistry, coagulation, hematology, special chemistry, urinalysis, blood bank, serology, immunology, bacteriology, microbiology, referral testing and more) following prescribed quality assurance policies and procedures. Performs, evaluates and documents quality control checks. Reviews testing results evaluating validity of test results in comparison to anticipated results indicated per procedure manual.Reviews and evaluates the validity and accuracy of test results, recognizing the interdependency of tests, the physiological conditions affecting results, patient age and normal values, controls, linearity errors, instrument codes, delta checks and more. Correlates test results with diagnoses and questions incompatible results. Thoroughly documents and communicates test results, expediting all critical values and results to appropriate clinicians.Disposes of contaminated materials and equipment in accordance with policy and assures that work area is properly cleansed after each test. Performs equipment and instrumentation maintenance, troubleshooting and calibration as needed. Inventories and restocks reagents, calibrators, controls and supplies as needed.Participates in the collection and evaluation of data for Performance Improvement evaluations. Documents adverse events using incident reporting tool. Orients, instructs and supervises laboratory assistants and clerks as needed.Performs other job-related duties as assigned.Organizational Requirements:Adventist Health is committed to the safety and wellbeing of our associates and patients. Therefore, we require that all associates receive all required vaccinations as a condition of employment and annually thereafter, where applicable. Medical and religious exemptions may apply.Adventist Health participates in E-Verify. Visit for more information about E-Verify. By choosing to apply, you acknowledge that you have accessed and read the E-Verify Participation and Right to Work notices and understand the contents therein.Adventist Health is a faith-based, nonprofit, integrated health system serving more than 100 communities on the West Coast and Hawaii with over 440 sites of care, including 27 acute care facilities. Founded on Adventist heritage and values, Adventist Health provides care in hospitals, clinics, home care, and hospice agencies in both rural and urban communities. Our compassionate and talented team of more than 38,000 includes employees, physicians, Medical Staff, and volunteers driven in pursuit of one mission: living God's love by inspiring health, wholeness and hope.Posting Date: 2026-08-24