Clinical Laboratory Scientist I (#RH4001)
$40.72-$49.49 Hourly / $7,057.47-$8,578.40 Monthly / $84,689.72-$102,940.88 Yearly


Under immediate supervision, performs standardized tests and examinations in San Joaquin General Hospital Clinical Laboratory; and does related or other work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.


This is the entry-level class in the Clinical Laboratory Technologist series.  Incumbents of  this class initially work under immediate supervision in the performance of a variety of standard microbiological, biochemical, clinical microscopic, hematological, immunohematological, and immunological laboratory examinations and tests.  As laboratory procedures are learned, supervision becomes more general.  Supervision is received from a Clinical Laboratory Technologist III.  This class differs from the next higher class of Clinical Laboratory Technologist II in that incumbents of the latter class perform journey level duties in performing standardized tests and examination.


  • Makes a variety of microbiological examinations of specimens such as feces, urine, sputum and body fluids, including initial isolation of organisms, identification of organisms, antibiotic susceptibility testing of the organisms, and identification of parasites. 
  • Makes biochemical analyses of blood and other fluids to determine the quantitative presence of creatinine, glucose, protein, calcium and other chemical components.  
  • Makes qualitative biochemical and microscopic analyses of urine specimens.  
  • Performs hematological examinations such as complete blood counts, differential counts, sedimentation rates, coagulation studies, platelet an reticulocytes counts, and bone marrow preparations.  
  • Performs immunohematological examinations such as blood typing and crossmatching.  
  • Performs immunological examinations such as detection of antibodies in disease, radioimmunoassay, immunodiffusion, and other similar examination.  
  • Performs special procedures required such as glucose tolerance tests, kidney function tests, and other similar tests.  
  • Performs quality control procedures, equipment maintenance, and recordkeeping as required in the performance of tests and examinations.  
  • May collect specimens from patients for use in tests and examinations.


Licenses and Certificates: Possession of a valid license as a Clinical Laboratory Technologist issued by the State of California, Department of Health.


Basic principles, methods, materials, techniques and terminology of medical technology; basic principles of biochemistry, microbiology, immunology, hematology, immunohematology, clinical microscopy as related to medical technology.


Perform assigned tasks according to prescribed procedures; make accurate observations and records of test results; correlate results to evaluate validity; follow oral and written instructions in precise detail; perform examinations using manual or modern automated methodology; collect specimens from patients with skill, patience and tact; communicate effectively both orally and in writing; establish effective working relationships with physicians, hospital staff and others.


San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RH4001; EST: 8/1/1958; REV: 10/29/2018;