Skip to main content

Senior Public Health Microbiologist


Recruitment #0518-RH4203-TM


This examination is being given to fill one part-time vacancy in Public Health Services and to establish a referral list which may be used to fill future part-time vacancies. Resumes will not be accepted in lieu of an application. A completed application must be postmarked or received online by the final filing deadline.

DepartmentPublic Health Services Laboratory
Location:  1601 E Hazelton Ave, Stockton, CA
Position Type:  Part-time

The San Joaquin County Public Health Laboratory is a state and federally certified facility that provides high complexity testing services in the areas of bacteriology, parasitology, mycobacteriology, mycology, immunology, and virology.  The laboratory works in conjunction with public health clinics, local hospitals and health care providers, public health departments with surrounding counties, and the San Joaquin County Environmental Health Department.

Pre-employment Drug Screening:  Potential new hires into this classification are required to successfully pass a pre-employment drug screen as a condition of employment.  Final appointment cannot be made unless the eligible has passed the drug screen.  The County pays for the initial drug screen.

NOTE: All correspondences relating to this recruitment will be delivered via e-mail. The e-mail account used will be the one provided on your employment application during time of submittal. Please be sure to check your e-mail often for updates. If you do not have an e-mail account on file, Human Resources will send you correspondences via US Mail.



  • Serves as a lead worker; plans unit work schedules; prioritizes, trains, directs, monitors and reviews the work of subordinate staff; provides performance input to supervisory and management staff.
  • Serves as a technical advisor to subordinate staff; consults regarding complex issues pertaining to bacteriological, virological, serological, mycological, parasitological, and other public health laboratory tests; participates in various testing processes as necessary.
  • Prepares and/or directs the preparation of animal autopsies for rabies examinations.
  • Provides training for staff of local laboratories as requested.  
  • Conducts and coordinates laboratory investigations to evaluate or improve existing laboratory procedures and to develop new procedures.
  • Performs comparative analyses of new methods, procedures and tests; recommends the use and implementation of new tests, methods, or procedures.
  • Prepares and/or directs the preparation of stains, media, and reagents; ensures their quality prior to use.
  • Estimates supply and equipment needs; initiates and coordinates purchasing and inventory activities.
  • Gathers/analyzes data, keeps records and prepares reports.
  • Reviews professional literature and relays pertinent information.

    Experience:  Two years of experience as a certified Public Health Microbiologist in a public health or medical laboratory.

    Certificate:  Possession of a valid Public Health Microbiologist certificate issued by the State of California.            

    Substitution:  Possession of a Masters Degree in Medical Microbiology, Medical Bacteriology, Medical Virology, Medical Laboratory Technology, or Public Health may be substituted for one year of the required work experience.

    Special Requirement:  Must provide satisfactory evidence of the knowledge and skills necessary to perform the full range of complex examinations applicable to the San Joaquin County Public Health Laboratory, including those pertaining to bioterrorism and emergency response.


    Current trends, concepts, and developments in Public Health Microbiology; principles of supervision and training; bacteriological, serological, mycological, parasitological, virological, and other microbiological principles; techniques, equipment, and terminology used in the examination of body fluids and tissues, food, and water; safety precautions and procedures appropriate for a public health laboratory; laws, regulations, and standards pertaining to public health laboratories; causes and methods of transmission of communicable disease; principles of epidemiology; how to utilize computers to facilitate standard business activities, including word processing, data entry, and spreadsheet calculations.


    Lead and train laboratory personnel in laboratory methods and procedures; perform standard and difficult or complex public health laboratory tests and examinations; interpret laboratory test results; evaluate and compare new testing methods, techniques, and equipment; maintain proper safety precautions and procedures, including universal precautions; use a variety of office equipment, including computer hardware and software; analyze situations accurately and take effective action; communicate effectively, both orally and in writing; establish and maintain cooperative working relationships with those contacted during the course of the work.


    Mobility-Frequent sitting or standing for long periods of time while working with equipment or operating a data entry device; frequent walking short distances; Lifting-Occasional lifting of 30 lbs. or less; Vision-Constant use of good overall visual capabilities, particularly close focus; frequent use of color perception and hand/eye coordination; frequent reading and/or close up work;  Dexterity-Frequent holding, pinching, grasping and writing; Hearing/Talking-Frequent hearing and talking in person and on the telephone; Special Requirements-May require working occasional weekends/nights/holidays; occasional overtime; duties may include stand by and call back assignments; Emotional/Psychological-Frequent concentration, decision-making and public contact; occasional emergency situations;  Environmental Conditions-Frequent exposure to noise; frequent risk of exposure to hazardous materials, fumes, poor ventilation, and indoor cold/heat; occasional exposure to variable weather conditions.


    Part-Time Employee Benefits: Part-time employees who meet the appropriate eligibility criteria may receive health insurance benefits and step increases.

    Selection Procedures

    Applicants for part-time and temporary recruitments who meet the minimum qualifications are either referred to the hiring department for further selection or they may be required to take a written examination.  If a written examination is given, the top candidates may be referred to the hiring department for further selection.

    Testing Accommodation:  Candidates who require testing accommodation under the Americans with Disabilities Act (ADA) must call Human Resources Division at (209) 468-3370 prior to the examination date. 

    Physical Exam:  Some classifications require physical examinations.  Final appointment cannot be made until the eligible has passed the physical examination.  The County pays for physical examinations administered in its medical facilities.

    Pre-employment Drug Screening Exam:  Some classifications require a new employee successfully pass a pre-employment drug screen as a condition of employment.  Final appointment cannot be made until the eligible has passed the drug screen.  The County pays for the initial drug screen.

    Employment of Relatives: Applicants who are relatives of employees in a department within the 3rd degree of relationship, (parent, child, grandparent, grandchild or sibling) either by blood or marriage, may not be appointed, promoted, transferred into or within the department when:

    • They are related to the Appointing Authority, or

    • The employment would result in one of them supervising the work of the other

    Department Heads may establish additional limitations on the hiring of relatives by departmental rule.

    Proof of Eligibility:  If you are offered a job, you will be required to provide proof of U.S. citizenship or other documents that establish your eligibility to be employed in the U.S.


    Apply Online:   

    By mail or in person:  

    San Joaquin County Human Resources

    44 N. San Joaquin Street Suite 330

    Stockton, CA 95202                                  


    Office hours:               
    Monday – Friday 8:00 am to 5:00 pm; excluding holidays.

    Phone:  (209) 468-3370 


    Job Line:

    For current employment opportunities please call our 24-hour job line at (209) 468-3377. 

    When a final filing date is indicated, applications must be filed with the Human Resources Division before 5:00 p.m. or postmarked by the final filing date. Resumes will not be accepted in lieu of an application. Applications sent through county inter-office mail, which are not received by the final filing date, will not be accepted. (The County assumes no responsibility for mailed applications which are not received by the Human Resources Division).  

    San Joaquin County Substance Abuse Policy: San Joaquin County has adopted a Substance Abuse Policy in compliance with the Federal Drug Free Workplace Act of 1988. This policy is enforced by all San Joaquin County Departments and applies to all San Joaquin County employees.

    Equal Opportunity Employer:  San Joaquin County is an Equal Employment Opportunity (EEO) Employer and is committed to providing equal employment to all without regard to age, ancestry, color, creed, marital status, medical condition, national origin, physical or mental disability, political affiliation or belief, pregnancy, race, religion, sex, or sexual orientation.  For more information go to

    Powered by JobAps

    San Joaquin County
    Human Resources Division  Stockton, CA 95202
    E-mail | Phone: (209) 468-3370 | 8am - 5pm M-F | Powered by JobAps