PLUMBER SUPERVISOR 3446

City of Los Angeles; Los Angeles (CA); On-site; USD 142,000 - 147,000; Full time

Job summary

City of Los Angeles, Department of Water and Power, seeks a Plumber Supervisor to manage and evaluate the daily work of Senior Plumbers, Plumbers, and helpers. You will oversee layout, installation, repair, and maintenance of sanitary and industrial plumbing systems, ensuring safe, code-compliant practices and efficient team performance.

The role requires four years of journey-level plumbing experience and a City of Los Angeles Certificate of Qualification.

Qualifications

• Four years of journey-level plumber experience.
• Certificate of Qualification as journey-level plumber issued by City of Los Angeles Department of Building and Safety.

Responsibilities

• Supervise and evaluate Senior Plumbers, Plumbers and helpers.
• Oversee layout, installation, repair and maintenance of sanitary and industrial plumbing systems.
• Apply approved procedures and supervise work groups to ensure safety and codes compliance.
• Maintain an effective work group and ensure equitable workload distribution.

Education

Certificate of Qualification as journey-level plumber (City of Los Angeles)

Job description

ANNUAL SALARY

$142,443 (flat-rated)

The salary in the Department of Water and Power is $147,287 (flat-rated).

NOTES

1. Annual salary is at the start of the pay range. 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.

A Plumber Supervisor assigns, reviews and evaluates the work of Senior Plumbers, Plumbers and helpers engaged in the layout, installation, repair, and maintenance of sanitary and industrial plumbing systems, process piping and fuel dispensing systems, including air, gas, water, steam, industrial waste, gasoline and oil pipelines; ascertains procedures and methods to use in installing plumbing systems; applies sound supervisory standards and techniques in building and maintaining an effective work group; and fulfills equal employment opportunity responsibilities.

1. Four years of full-time paid experience as a journey-level plumber; and
2. A valid Certificate of Qualification as a journey-level plumber issued by the City of Los Angeles Department of Building and Safety.

PROCESS NOTES

1. Applicants must attach a copy of their Certificate of Qualification to the on-line application before the application is submitted. If the certificate is attached AFTER the on-line application has been submitted, it will not be available to the City and the applicants WILL NOT be credited with having submitted the certificate. Applicants who fail to submit the certificate at the time of filing by attaching it to the on-line application will not be considered further in the examination.
2. Applicants who lack six months or less of the required experience at the time of filing may file for the examination. However, they cannot be appointed until the full experience requirement is 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 disqualified or 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 disqualification or ineligibility at any time before a final job offer is extended.
4. A certificate for Backflow Prevention Device Tester issued by the Los Angeles County Health Department may be required for some positions.
5. A valid certification for Chief’s Regulation #4 Certified Tester issued by the Los Angeles Fire Department may be required for some positions.

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, SEPTEMBER 10, 2026.

Examination Weight

Interview - 100%

The examination will consist entirely of an evaluation of professional and personal qualifications by interview. In the interview, the following competencies may be evaluated: Judgment and Decision Making; Self Management; Objectivity; Supervision; Fiscal Management; Teamwork; Safety Focus, including: safe work practices, including the use of Personal Protective Equipment (PPE), safety precautions, and safety hazards or unsafe conditions; departmental safety policies, procedures, rules, and regulations, such as Cal/OSHA regulations, including scaffolding regulations, ladder placement, shoring requirements, and safe rigging practices, and Environmental Protection Agency regulations; safety data sheets to ensure understanding of chemicals present and safe management of the chemicals; Job Knowledge, including knowledge of: water flow rate calculations sufficient to diagnose plumbing system problems and determine the most effective installation methods; the layout of a plumbing system for gasoline, steam, high and low air pressure, process piping (industrial), and fire sprinkler systems sufficient to plan, assign, and review the work performed by subordinate workers; methods for repairing and maintaining pipe systems sufficient to comply with codes, review work, and provide informal training to employees; methods for joining pipe or tubing; methods and materials used in supporting, hanging, or backfilling pipe installations; methods for protecting pipe installations from electrolysis sufficient to inspect for adequate cathodic protection; installation, repair, and maintenance methods for heating apparatus sufficient to inspect work, provide assistance, and ensure conformance to codes; control devices, such as thermostats, thermal couples, high-limit and low-limit switches, flow valves, and circulating pumps; testing procedures for gas, oil, air, water, and fuel systems sufficient to determine if systems are operating properly and to ensure accurate installation; laws, ordinances, codes, and regulations, including Los Angeles City Plumbing Code, Uniform Plumbing Code, Los Angeles City Building Code, Los Angeles Municipal Code, Los Angeles Fire Department Code, Department of Water and Power Meter Protection Ordinance, and Los Angeles County Health Department Code; plumbing instruments used to diagnose system operating problems; information, including technical information, necessary to read plans, drawings, blueprints, sketches, flow charts, and schematics sufficient to plan jobs, order materials and equipment, perform inspection, and provide supplemental instructions; technical material sufficient to understand, apply, interpret, or explain to others; technical problems related to plumbing installations, systems operations, equipment, and materials sufficient to define the problem and make recommendations for solutions; procurement procedures; and other necessary knowledge, skills, and abilities.

Additional job analysis information can be obtained by going to https://personnel.lacity.gov/jobs/job-analyses.cfm and clicking on Competencies under Plumber Supervisor.

Candidates will be notified later by e-mail of the date, time, and location of the interview which will be held in Los Angeles or virtually. It is anticipated that interviews will begin during the period of MONDAY, OCTOBER 19, 2026 to FRIDAY, OCTOBER 30, 2026.

NOTES

1. This examination is based on a validation study.
2. As a covered entity under the Fair Employment and Housing Act and Title II of the Americans with Disabilities Act, the City of Los Angeles does not discriminate on the basis of disability and upon request, will provide reasonable accommodations to ensure equal access to its programs, services, and activities. To request a disability accommodation, please complete the Disability Accommodation Form within 14 calendar days of the submittal of the City application. The Disability Accommodation Form can be obtained at https://personnel.lacity.gov/exams/verify_disability.pdf.
3. 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.
4. You must have received a regular appointment to a City position or be on a reserve list to file on a promotional basis.
5. Seniority credit at the rate of 0.25 of a point for each year of continuous service will be added to the weighted test score of each candidate.
6. A final average score of 70% is required to be placed on the eligible list.
7. 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 and 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.

THIS EXAMINATION IS TO BE GIVEN ONLY

ON AN INTERDEPARTMENTAL PROMOTIONAL BASIS

The City of Los Angeles does not discriminate on the basis of race, religion, national origin, sex, age, marital status, sexual orientation, gender identity, gender expression, disability, creed, color, ancestry, medical condition (cancer), or Acquired Immune Deficiency Syndrome.

AN EQUAL EMPLOYMENT OPPORTUNITY EMPLOYER

For additional information and FAQs regarding the City's hiring process, please go to https://personnel.lacity.gov/faqs/employment-testing-process.html