Clinical Laboratory Scientist II (#RH4002)
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$44.90-$54.58 Hourly / $7,782.90-$9,460.16 Monthly / $93,394.80-$113,521.97 Yearly


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


This is the journey level class in the Clinical Laboratory Scientist series. Incumbents of this class perform a variety of standard microbiological, biochemical, clinical microscopic, hematological, immunohematological, and immunological laboratory examinations and tests. Supervision is received from a Clinical Laboratory Scientist III. This class differs from the next lower class of Clinical Laboratory Scientist I in that incumbents of the latter class work under immediate supervision in the performance of standardized tests and examinations. This class differs from the next higher class of Clinical Laboratory Scientist III in that incumbents of the latter class supervise a major unit of the San Joaquin General Hospital Clinical Laboratory.


  • 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 organism 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 and reticulocyte counts, and bone marrow preparations.
  • Performs immunohematological examinations such as blood typing and cross matching. 
  • Performs special procedures required such as glucose tolerance tests, kidney function tests, and other similar tests. 
  • Participates in developmental work for new tests and procedures. 
  • Performs quality control procedures, equipment maintenance, and recordkeeping as required in the performance of tests and examinations; may assume responsibility for specialized tasks such as quality control reporting.
  • May act as lead worker over other laboratory employees and laboratory trainees.


Experience: One-year equivalent to Clinical Laboratory Scientist I in San Joaquin County.

Licenses and Certificates: Possession of a valid license as a Clinical Laboratory Scientist (CLS) issued by the State of California, Department of Public Health. 

Special Requirement: When assigned to the Microbiology Unit, a valid license as a Clinical Microbiologist Scientist may substitute for the CLS issued by the State of California, Department of Public Health.


The principles, methods, materials, techniques and terminology of biochemistry, microbiology, immunology, hematology, immunohematology, and clinical microscopy as related to medical technology; recent developments, current literature, current regulations and policies, and sources of information in medical technology.


Perform assigned tasks according to prescribed procedures; make accurate observations and records of test result; interpret test data and draw logical conclusions; correlate test results and evaluate validity; follow oral and written instructions in precise detail; perform examinations using manual or modern automated methodology; communicate effectively, orally and in writing; establish effective working relationships with physicians, hospital staff, and others; act as a lead worker over others; use initiative and be innovative in setting up new procedures.


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: RH4002; EST: 8/1/1958; REV: 6/20/2024;