Clinical Laboratory Scientist Perform routine and specialized clinical laboratory testing using manual and automated methodologies in areas such as chemistry, microbiology, hematology, molecular diagnostics, immunology, and immunohematology. Interpret and verify test results, troubleshoot testing discrepancies and equipment malfunctions, and implement corrective actions to ensure accurate laboratory results. Collect, prepare, and evaluate patient specimens while ensuring proper handling, preservation, and documentation procedures. Perform quality control, proficiency testing, equipment calibration, maintenance, and troubleshooting activities in compliance with laboratory accreditation and regulatory standards. Support laboratory operations through quality assurance activities, procedure development, inventory management, and technical guidance to laboratory staff. IHS Selectees whose duties and responsibilities require them to work permanently, temporarily, or occasionally in an IHS healthcare facility must comply with the IHS Employee Immunization Policy related to vaccine-preventable diseases, consistent with recommendations for healthcare workers. Vaccine exemption requests may be available, as outlined in the IHS Employee Immunization Policy and facility guidance. Federal Employees earn annual leave at a rate (4, 6 or 8 hours per pay period) which is based on the number of years they have served as a Federal employee. IHS may offer newly-appointed Federal employees credit for their directly related previous non-federal experience or active duty uniformed military service. This credited service can be used in determining the rate at which they earn annual leave.