INSTRUMENT MECHANIC (3843)

Salary: $135,469.00 - $144,447.00 Annually
Location : CITY OF LOS ANGELES, CA
Job Type: FULL-TIME
Job Number: 3843 O/P 2026/11/06 R
Department: ALL DEPARTMENTS
Opening Date: 11/06/2026
Closing Date: 11/19/2026 11:59 PM Pacific

DUTIES

ANNUAL SALARY
$141,816 (flat-rated)
The salary in the Los Angeles World Airports is $144,447 (flat-rated)
The salary in the Department of Water and Power is $135,469 (flat-rated)
NOTES:

1. The current salary is subject to change. Please confirm the starting salary with the hiring department before accepting a job offer.
2. For information regarding reciprocity between the City of Los Angeles departments and LADWP, go to https://personnel.lacity.gov/Reciprocity_CityDepts_and_DWP.pdf

An Instrument Mechanic performs highly skilled field and shop work in inspecting, troubleshooting, adjusting, calibrating, servicing, maintaining, overhauling, repairing, and testing various automatic controls and indicating and recording instruments and devices; analyzes instrumentation and related system malfunctions to determine necessary repairs; and adjusts programs on instrumentation and controls required to interface with process control computers.

REQUIREMENT(S)/MINIMUM QUALIFICATION(S)

1. Three years of full-time paid experience as a Steam Plant Assistant with the City of Los Angeles, one year of which shall be as a Steam Plant Assistant "A" in the Instrument Shop or Operations; or
2. Two years of full-time paid experience at the level of Building Operating Engineer with the City of Los Angeles, which provides experience in the operation or maintenance of high temperature boilers or refrigeration equipment with a total capacity of 3,000 tons or more; or
3. Two years of full-time paid experience as an Electrician or Electrical Test Technician (formerly Electrical Tester) with the City of Los Angeles; or
4. Two years of full-time paid instrument mechanic, heating, ventilation, and air conditioning (HVAC) mechanic, or elevator mechanic experience inspecting, adjusting, repairing and testing electronic and/or pneumatic control systems, including transmitting, indicating and recording instruments and controllers at oil refineries, chemical plants, utility or wastewater treatment facilities; or
5. Two years full-time paid experience in instrument mechanic or related fields troubleshooting instrumentation issues using piping and instrumentation diagrams (P&IDs), wiring diagrams, loop drawings, associated schematics, and vendor drawings, and working with process control to troubleshoot and/or repair instrument/analyzer control loops, Safety Instrument System inputs/outputs, HVAC & Programmable Logic Controllers (PLC's), and program, service, repair, and maintain instrumentation associated with process controls.

Completion of four semesters of course work on Automated Instrumentation and Controls from an accredited college may be substituted for one year of the required experience in Requirements #1 through #4. Completion of a three-year apprentice program in Electrical/Instrumentation may be substituted for one year of full-time paid experience in Requirement #5. Candidates must list their courses completed, dates taken, and school attended according to the on-line instructions.
PROCESS NOTES

1. Only applicants that are currently or have previously worked in the Department of Water and Power as Steam Plant Assistants in the following DDR (Duties Description Record) numbers 82-38096, 82-56017, or as Steam Plant Operators in DDR numbers 94-56104 and 94-56105 and meet the above noted requirements, will qualify for this examination under requirement #1.
2. Applicants who lack six months or less of the required experience at the time of filing may file for this examination. However, they cannot be appointed until the full experience requirement has been met.
3. As a condition of employment, a valid Class C driver's license issued by the California Department of Motor Vehicles (DMV) is required at the time of appointment. Applicants will be deemed ineligible for hire if their DMV record reflects three or more moving violations and/or at-fault accidents, or a conviction of a major moving violation within the last 36 months in any state or jurisdiction. The City of Los Angeles reserves the right to issue a notice of ineligibility at any time before a final job offer is extended.
4. Please note that qualifying education must be from a college or university accredited by a City of Los Angeles recognized agency. A list of approved accrediting agencies can be found at
5. Candidates completing the examination process may be contacted by the Personnel Department to provide proof of qualifying coursework. Applicants who wish to expedite this process may attach a copy of their qualifying coursework or transcripts to their on-line application at the time of filing in the Attachments section.

WHERE TO APPLY & APPLICATION DEADLINE
Applications will only be accepted on-line. 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 https://www.governmentjobs.com/careers/lacity.
NOTE:
Applicants are urged to apply early to ensure you have time to resolve any technical issues you may encounter.
APPLICATION DEADLINE
Applications must be received by THURSDAY, NOVEMBER 19, 2026.

In accordance with Civil Service Rule 4.2, all applicants who apply may not be tested in this examination. To meet anticipated hiring needs, only a limited number of qualified applicants will be invited to participate in the selection process in the following order: 1) Los Angeles City promotional applicants who meet the minimum requirements. You must have received a regular appointment to a City position or be on a reserve list to apply for this examination as a promotional candidate; 2) Applicants currently employed by the City of Los Angeles on a part-time or exempt basis who meet the minimum requirements; 3) Remaining applicants who meet the minimum requirements in sufficient numbers to meet hiring needs based on a random sampling of those qualified candidates. Applications submitted during the filing period may be kept on file in the event that additional applicants need to be tested to meet hiring needs.
SELECTION PROCESS
Examination Weight:

Multiple-Choice Test - 100%
The examination will consist of a weighted multiple-choice test. In the multiple-choice test, the following competencies may be evaluated: Reading Comprehension; Analytical Ability; Mechanical Aptitude; Electrical Understanding; Safety Focus, including knowledge of:safety regulations such as CAL/OSHA regulations relating to plant safety, rigging and scaffolding, and the Safety Data Sheets related to the safe use of chemicals; Technology Application, including knowledge of: computer applications such as Programmable Logic Controllers (PLC's), Human Machine Interfaces (HMI), Building Automation Control System, and Distributed Control Systems (DCS) used for instrument control systems; the principles of operations of analog, digital and microprocessor based instrumentation such as digital transmitters, recorders, meters and distributed control systems; Job Knowledge, including knowledge of: electrical and mechanical principles upon which electrical, electronic, mechanical, pneumatic, and hydraulic instruments and control devices operate; hand and power tools, methods, and techniques, including testing, calibration, and repair procedures; the properties of various materials such as steel, brass, and copper sufficient to fabricate instrument parts; the principles for analyzing instruments and control systems' characteristics such as those related to steam generating plant equipment, building heat, ventilation and air conditioning equipment, wastewater treatment and water purification plant equipment; symbols and notation standards such as those found in piping and instrumentation drawing (P&ID), diagrams, and schematics relating to instrument repair; mathematics such as algebra, geometry, and trigonometry; physics and chemistry such as those relating to devices used to measure pressure, temperature, flow, pH and conductivity and other properties; and regulatory and compliance rules and regulations such as Environmental Protection Agency (EPA) and South Coast Air Quality Management District (SCAQMD); and other necessary skills, knowledge and abilities.
Additional job analysis information can be obtained by going to and clicking on Competencies under Instrument 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 from a remote location (i.e., their home) 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. It is anticipated that the remote proctored multiple-choice test will be administered between WEDNESDAY, JANUARY 13, 2027 and TUESDAY, JANUARY 19, 2027. 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.
FAQs for on-line testing is available at Only candidates who demonstrate a hardship may be offered the option to take the multiple-choice test onsite at a City facility.
NOTES:

1. This examination is based on a validation study, and as provided by Civil Service Commission Rule 4.20, the multiple-choice test will not be subject to candidate inspection.
2. Applications are accepted subject to review to ensure that minimum qualifications are met. Candidates may be disqualified at any time if it is determined that they do not possess the minimum qualifications stated on this bulletin.
3. Based on the City policy, you may be required to undergo mandatory drug and alcohol testing prior to and during employment in this class.
4. You may be required to pass an annual or periodic work fitness evaluation to determine your eligibility for continued employment.
5. In conjunction with Civil Service Rules, applicants who are current eligible City employees or are on a reserve list will be considered Promotional candidates while all other applicants will be considered Open candidates.
6. The promotional list will ordinarily be used ahead of the open competitive list. However, if open competitive candidates receive a higher score, without military credits, than the highest available promotional candidate, after adding seniority credit at the rate of 0.25 of a point for each year of continuous classified City service, the Civil Service Commission, upon request of the appointing authority, may approve certification of such open competitive candidates ahead of the promotional candidates.
7. A final average score of 70% is required to be placed on the eligible list.
8. In accordance with Civil Service Rule, Sec. 4.24, review periods may be combined. Candidates in the examination process may file protests as provided in Sec. 4.20, 4.22, 4.23 as applicable and within the required time frame; however, the Personnel Department may respond to and resolve protests prior to the establishment of the eligible list.

Notice:
If you receive and accept an offer of employment to a regular position with the City of Los Angeles, your employee benefit coverage (including health and dental coverage as well as life insurance) will commence approximately six weeks after your original regular appointment. Not all positions in the City receive benefit coverage; you should inquire regarding the availability of employee benefits prior to accepting a position. All City employees are required to be Disaster Service Workers.
THIS EXAMINATION IS TO BE GIVEN BOTH ON AN

INTERDEPARTMENTAL PROMOTIONAL AND AN OPEN COMPETITIVE BASIS