WASTEWATER TREATMENT MECHANIC 5614 (C) (REVISED 07-07-2022)

Wastewater Treatment Mechanic

Annual salary $110,100 (flat-rated) NOTE: The current salary is subject to change. Please confirm the starting salary with the hiring department before accepting a job offer. A Wastewater Treatment Mechanic performs a variety of skilled tasks in maintaining, overhauling and assembling mechanical equipment and auxiliaries associated with combustion equipment, boilers, cryogenic equipment, large diesel engines, pumps, compressors, barscreens, collectors, clarifiers, centrifuges, conveyors, heat exchangers, emissions control equipment, and other equipment found in a wastewater treatment plant or a wastewater collection system; or performs the more difficult and skilled mechanical work with limited supervisory responsibility over a small crew.

Requirement(s)/Minimum Qualification(s)

Two years of full-time paid experience as a Mechanical Repairer or Steam Plant Assistant with the City of Los Angeles in the repair of diesel equipment or wastewater equipment; or

Two-years of full-time paid experience as a millwright or machinist repairing diesel or wastewater equipment in an industrial facility; or

Four years of full-time paid experience assisting in the repair and maintenance of mechanical equipment, or performance of semi-skilled manual tasks in construction and repair activities. One year of this experience must be assisting in the maintenance and repair of wastewater equipment.

Where To Apply & Application Deadline

Applications will only be accepted on-line on the dates listed in the "Application Deadline" section of this bulletin. When you are viewing the on-line job bulletin of your choice, simply scroll to the top of the page and select the "Apply" icon. On-line job bulletins are also available at . Applicants are urged to apply early to ensure you have time to resolve any technical issues you may encounter. Applications will only be accepted on the dates listed below:

Filing Period 1: From 8:00 am Friday, January 13, 2023 to 11:59 pm, Thursday, January 26, 2023

Filing Period 2: From 8:00am Friday, January 19, 2024 to 11:59pm, Thursday, February 1, 2024

The examination may close without prior notice at any time after a sufficient number of applications have been received. Filing periods may change without prior notice or additional dates may be added, as needed, at a later date. For administrative purposes, filing will close periodically and reopen on the dates noted in the "Application Deadline" section of this bulletin.

Selection Process

Examination Weight: Multiple-Choice..... 100% The examination will consist of a weighted multiple-choice test administered and proctored on-line. In the on-line multiple-choice test, the following competencies may be evaluated: Reading Comprehension; Judgment and Decision Making; Teamwork; Safety Focus, including knowledge of: Cal/OSHA regulations and safety principles and practices related to personal protective equipment (PPE) and other safety equipment; the safe operation and maintenance of tools and equipment; equipment isolation procedures, such as Lockout/Tag-out/Block-out, identification and isolation of hazardous energy sources, and ensuring machinery is rendered inoperative prior to maintenance; Equipment Operation, including knowledge of: blowers, compressors, pumps, and auxiliaries, including gear reducers, lubrication, and fasteners; hand and power tools, such as impact wrenches, drivers and drills; equipment, such as dial indicators, laser alignment, and pneumatic tools; Mechanical Aptitude, including knowledge of: methods of repair and overhaul of water reclamation equipment, such as gas and air-compressor units, pumps, gear drivers, and boiler auxiliary equipment; terminology commonly used in mechanical repair work related to alignment, tolerances, output, and pump; common problems encountered related to wastewater equipment, such as abnormal temperatures and noises and mechanical issues, including a pump with low flow, no flow, or cavitation; and other necessary skills, knowledge, and abilities. Additional job analysis information can be obtained by going to and clicking on Competencies under Wastewater Treatment Mechanic. The multiple-choice test will be proctored and administered on-line during a single session. Candidates invited to participate in the on-line multiple-choice test will be able to take the test as instructed from a remote location using a computer with a webcam and a reliable internet connection. Candidates will receive an e-mail from the City of Los Angeles outlining the dates and specific steps on how to take the multiple-choice test on-line. Candidates who do not complete and submit the remote proctored multiple-choice test on-line using a computer by the specified date and time will not be considered further in this examination. For candidates who apply during Filing Period 1, it is anticipated that the on-line multiple-choice test will be administered between TUESDAY, MARCH 14, 2023 and MONDAY, MARCH 20, 2023. For candidates who apply during Filing Period 2, it is anticipated that the on-line multiple-choice test will be administered between WEDNESDAY, MARCH 20, 2024 and TUESDAY, MARCH 26, 2024. FAQs for on-line testing are available at . Due to COVID-19 and social distancing requirements, only candidates who demonstrate a hardship may be offered the option to take the multiple-choice test onsite at a City facility. NOTICE: Test dates may be postponed in order to help protect the safety of our candidates and prevent the spread of COVID-19. Candidates will receive an e-mail from the City of Los Angeles Personnel Department if the anticipated test dates are postponed.