• Los Angeles, California
  • Jun 04, 2022
Full Time Public Health
  • Salary: $82,080.00 - $110,616.00 Annually USD

Job Description



Beginning Wednesday, November 4, 2020, at 8:00 a.m., Pacific Time (PT)
Until the needs of the service are met and is subject to closure without prior notice.

This announcement is being reposted to add COVID-19 vaccination information in the Additional Information section.

Open Competitive Job Opportunity

No Out-of-Class Experience or Verification of Experience Letter (VOEL) will be accepted.

Assists a Public Health Microbiology Supervisor in the operation of a public health laboratory unit by resolving technical problems and developing recommendations on new or alternative equipment, methods, or materials in addition to performing regular Public Health Microbiologist under the general direction of a Public Health Microbiology Supervisor.

Positions allocable to this class typically work in a specialized laboratory unit. Incumbents are responsible for expediting the conduct of standardized test procedures being performed by journeyman microbiologists by quickly and effectively resolving any technical problems or difficulties they may encounter. These may be problems of microorganism identification, equipment malfunction, or difficulties with reagents, media, or other materials and supplies which cause test results to be unreliable or otherwise questionable. Incumbents typically relieve on each workstation and fill in for absent microbiologists; they also perform those tests which are too infrequently requested to be assigned to a regular station. Their particular organizational role requires Public Health Microbiologists II to assist supervision in the identification and tryout of new equipment, methods, or materials to help determine feasibility or adaptability into the regular laboratory system, and to review the work of journeyman microbiologists to ensure its accuracy and completeness. Public Health Microbiologists II serve as the designated relief of Public Health Microbiology Supervisors I when the latter must be absent from the laboratory.
Essential Job Functions
Investigates problems of micro-organism identification, laboratory equipment malfunction, or difficulties with reagents, media, or other materials or items of supply which cause test results to be unreliable otherwise questionable and takes or recommends appropriate action for their resolution. Assists supervision in the search of technical publications and other literature in the field to identify and recommend for management's consideration new equipment, methods, materials, or items of supply which appear to warrant investigative tryout; participates in controlled experiments to evaluate the feasibility or adaptability of the product or procedure into regular laboratory operations and develops appropriate recommendations. Verifies that journeyman microbiologists have correctly calibrated test instruments, carried out prescribed quality control procedures, performed first-line maintenance on equipment, and properly completed necessary documentation. Monitors the bench-level instruction provided microbiologist trainees and newly hired or assigned microbiologists, and assists supervision in evaluating their progress. Performs standardized laboratory tests as needed on a regular workstation for absent microbiologists or when procedure is too infrequently requested to be assigned a regular workstation. Functions as the designated relief of a Public Health Microbiology Supervisor I when the latter must be absent from the laboratory unit.

One (1) year's work experience as a public health microbiologist* in an approved laboratory.**

Public Health Microbiologist's Certificate*** issued by the California State Department of Health.

A valid California Class C Driver License or the ability to utilize an alternative method of transportation to perform job-related essential functions may be required.

2 - Light: Light physical effort which may include occasional light lifting to a 10 pound limit, and some bending stooping or squatting. Considerable walking may be involved.

*Experience as a public health microbiologist in the County of Los Angeles is defined as performs a variety of standardized public health laboratory tests within a specialized area (such as bacteriology, virology, serology, or parasitology) or across specialty lines.

**An approved laboratory is a laboratory certified by the Clinical Laboratory Improvement Amendment (CLIA).

***For information on how to obtain the letter/certificate from the California State Department of Public Health verifying eligibility to work as a Public Health Microbiologist, click on the link below:

  • A Master's degree from an accredited college or university in biological science, public health or related field.
  • Experience in multiple specialty disciplines of Microbiology such as Bacteriology, Mycobacteriology, Mycology, Parasitology, Virology, Syphilis Serology, and General Immunology.
  • Experience in new assay verification and implementation.
  • Experience working in a lead capacity providing training, including new staff, monitoring and evaluating staff work, competency documentation, writing protocols and reports, and maintenance of laboratory testing supply and reagent inventory, including procurement communications.

Additional Information
This examination will consist of an Evaluation of Experience based upon application, desirable qualifications and supplemental questionnaire weighted 100%.

Candidates must achieve a passing score of 70% or higher on the examination in order to be added onto the list of eligible candidates.

Passing this examination and being added to the Eligible Register does not guarantee an offer of employment.

Many important notifications including invitation letters will be sent electronically to the email address provided on the application. It is important that you provide a valid email address. Please add and to your email address and list of approved senders to prevent email notifications from being filtered as spam/junk/clutter mail.

Applicants have the ability to opt out of emails from LA County. If you unsubscribe, you will not receive any email notifications including any examination for which you apply with Los Angeles County.

Regardless of whether you choose to unsubscribe, you can always check for notifications by logging into and viewing your profile inbox, which saves a copy of all emailed notices.
It is your responsibility to take the above steps to view correspondence.

Los Angeles County will not consider claims of not viewing or receiving notification to be a valid reason for late test administration or rescheduling of a test component. Postal Service (USPS). Examination scores cannot be given over the phone.



Applications will be Processed on an as-received basis and promulgated to the list of eligible candidates accordingly.

All County workforce members must be fully vaccinated against COVID-19 as a condition of employment. Successful candidates for this position will be required to submit proof of vaccination against COVID-19 or request an exemption for qualifying medical or religious reasons during the onboarding process. Candidates should not present proof of vaccination until instructed to do so by the hiring department.


The County of Los Angeles is a Fair Chance employer. Except for a very limited number of positions, you will not be asked to provide information about a conviction history unless you receive a contingent offer of employment. The County will make an individualized assessment of whether your conviction history has a direct or adverse relationship with the specific duties of the job, and consider potential mitigating factors, including, but not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of the offense(s). If asked to provide information about a conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed.

The Eligible Register resulting from this examination will be used to fill vacancies in the Department of
Public Health as they occur.

AVAILABLE SHIFT: Any, including evenings, nights, weekends and holidays.

Applications must be filed ONLINE ONLY. Applications submitted by mail, fax, or in person
will NOT be accepted.

Apply online by clicking on the "Apply" button at the top right of this posting. You can also track the
status of your application using this website.

Any required documents and/or additional information, if any, must be received
with your application at the time of filing online or within fifteen (15) calendar days from application submission to

Applicants must submit their completed applications by 5:00 p.m., PST, on the last day of filing.
The acceptance of your application depends on whether you have clearly shown that you meet the REQUIREMENTS . Fill out the application and Supplemental Questionnaire accurately and completely to receive full credit for any relevant education and/or job experience you include. In the space provided on the application for education, include names and addresses of schools attended, dates attended, degree(s) received, and degree major. For each job held, give the name and address of your employer, your job/position title, start and end dates, the number of hours worked per week, and detailed description of work and duties performed. If the application and/or Supplemental Questionnaire is/are incomplete, the application will be REJECTED.

NOTE: If you are unable to attach the required documents with your application online, you must email them to within fifteen (15) calendar days from the date of the application submission. In the "Subject" of the e-mail please type the Exam Number and Exam Title. Failure to provide complete, accurate information will impact the assessment of your qualifications and the acceptance of your application into the examination process.

  • Please note that ALL information supplied by applicants and included in the application materials is subject to VERIFICATION at any point during the examination and hiring process, including after an appointment has been made.
  • Applications may be rejected at any stage of the examination and selection process.
  • Utilizing VERBIAGE from Class Specification, Selection Requirements, and/or Special Requirements information serving as your description of duties WILL NOT be sufficient to demonstrate that you meet the requirements. Doing so it will result in the application being rejected as INCOMPLETE and will not be accepted.

All applicants must file their application online using their OWN user ID and password. Using a family member or friend's user ID and password may erase a candidate's original application record.

Please include your Social Security Number for record control purposes in the format XXX-XX-XXXX. Federal law requires that all employed persons have a Social Security Number.

California Relay Services Phone: (800) 735-2922
ADA Coordinator Phone: (323) 914-8488
Teletype Phone: (800) 899-4099
Alternate Teletype Phone: (800) 897-0077

Department Contact Name: Exam Analyst
Department Contact Phone: (323) 659-6546
Department Contact E-mail:
Closing Date/Time:

Job Address

Los Angeles, California United States View Map