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Maintenance Supervisor - Collection Systems Operations

Martinez, CA Full Time
POSTED ON 3/29/2026
AVAILABLE BEFORE 4/23/2026
THE POSITION

Duties

Central San, a progressive public utility, is seeking a Maintenance Supervisor. This position will supervise, assign, and review work for one of the the Field Operations Sections of the Collection Systems Operations Division . Duties of the position will include:

  • Plans, prioritizes, assigns, supervises, and participates in the development and implementation of preventative and predictive maintenance of the District’s wastewater collection system; oversees the work of crews in the construction, repair, cleaning, and inspection of the wastewater collection system.
  • Directs overflow cleanup, working with Risk Management where appropriate; take samples of affected watershed areas.
  • Works with the Engineering Department in planning and executing repairs, modifications, and upgrades of collection system.
  • Works with property owners, public agencies, public right-of-ways, and utilities regarding construction within easements.
  • Meets with representatives of other agencies and with the public regarding sewer maintenance problems and large capital construction projects.

Minimum Qualifications

For the complete job description, click here.

Education

Equivalent to the completion of the twelfth (12th) grade.

Experience

Five (5) years of full-time experience, including at least two (2) years of lead responsibility, in area of assignment including maintaining and repairing one of the following: building and grounds, wastewater collection systems, vehicles, and mechanical equipment.

Licenses And Certifications

  • Possession of a valid Class A California Driver’s License is desirable.
  • Possession of or ability to obtain a Grade III Collection System Maintenance Technologist Certificate issued by the California Water Environment Association (CWEA) within one (1) year of hire.

SELECTION PROCEDURE

Applicants interested in applying for this position must submit a completed District application and supplemental questionnaire available online at www.centralsan.org. A resume may be attached but is not a substitute for a completed application and supplemental questionnaire.

The most qualified candidates will be invited to participate in the examination process. Human Resources shall determine the examination steps to be used for this recruitment. The steps may include, but are not limited to, a written examination, practical examination, application screening, and/or oral board examination. One or more of these steps may be used and in any order. At the end of the testing process, candidates passing all of the examination steps will have their names placed on an eligibility list. The list is valid for six months and may be extended up to an additional six months at the request of the hiring department. The list established by this recruitment may be used to fill future vacancies.

Applicants meeting the minimum qualifications are not guaranteed advancement to the examination process. All applicants will be notified via email of the results of the review process.

Successful candidates not currently employed in regular status by the District must pass a pre-employment physical to be considered for appointment.

Insurance

The Central Contra Costa Sanitary District offers a generous benefit package to employees. Detailed information can be found on the benefits page of the District's website. This classification is represented by Management Support/Confidential Group. The benefits include:

Mid-management and confidential employees enjoy fully paid dental, vision, and life insurances. Employees have a choice of medical plans which includes chiropractic. Kaiser and HealthNet SmartCare are full paid by the District. Employees entitled to dual health coverage may receive an additional $400 per month with the entire amount contributed to deferred compensation in lieu of a second coverage.

Retirement

District employees are members of the Contra Costa County Employees' Retirement Association (CCCERA) with reciprocity to CalPERS.

A retirement benefit is based upon a formula which includes the employee's age, salary, and years of service. The formula for new employees is 2%@ 62 unless reciprocity is established with an eligible retirement system. The formula for new employees with reciprocity is 2%@ 55.

For additional information, contact Human Resources at 925-228-9500 or a retirement counselor at CCCERA at 925-521-3960 located at 1200 Concord Avenue, Suite 300, Concord, CA 94520.

Leaves

The District offers liberal vacation and sick leave benefits as well as 13 paid holidays per year. Mid-management and confidential employees earn 24 hours of administrative leave annually.

Deferred Compensation

The District does not participate in the Social Security System except for a mandatory Medicare contribution. Instead, the District contributes to a 401(a) Money Purchase plan an amount equivalent to the employer portion of contributions to the Social Security System (currently 6.2%) in addition to salary. The District also offers employees an optional Deferred Compensation 457 plan with a choice of savings and investment options.

Cafeteria Plan

Mid-management and confidential employees are allowed $220 each month toward the selection of additional benefits.

Other Benefits

Other benefits enjoyed by District employees include overtime, an employee assistance program, a tuition reimbursement plan, longevity compensation, a registration differential, a sick leave incentive program, retiree benefits, credit union privileges through the 1st Northern California Credit Union, and a comprehensive wellness program including an on-site gym facility.

01

The purpose of this supplemental questionnaire is to provide applicants the opportunity to elaborate on their qualifications for this position. The Application Screening Committee will use it to evaluate and score your relevant training and experience so please fill it out thoroughly and completely. Do not answer any of the questions by indicating "see resume." A resume may be attached but it will not be a substitute for the information requested on this questionnaire. Applications submitted with an incomplete or inaccurate supplemental questionnaire will be disqualified. NOTE: The information provided on the supplemental questionnaire must be verifiable on the "Work Experience" section of your employment application.

  • I have read and understand the above directions.

02

What is the highest level of education you have completed?

  • Some High School
  • High school or G.E.D.
  • Some College
  • Associates Degree
  • Bachelors Degree
  • Masters Degree or Higher

03

How many years of experience do you have in the construction, maintenance, repair, cleaning and inspection of a sewer collection system?

  • Less than 5 years
  • 5 to 7 years
  • 7 to 10 years
  • More than 10 years

04

Describe your work experience you indicated in Question 3. Include the employer's name, your position title, and the time period of experience. Please also include length of time served in each lead or supervisory role, and the positions (number and title) led. If you do not have any experience, please state "no experience".

05

Please describe your training and experience in supervision and management. Include in your answer the employer's name, your position title(s), and the time period of the experience. If you do not have any experience, please state "no experience".

06

Please describe you experience in planning, developing, and monitoring a budget relative to an assigned section or group. If you have no experience, please state "no experience".

07

Please describe your experience utilizing computerized maintenance software and work order systems. If you do not have any experience, please state "no experience".

08

Do you possess a valid California Driver's License? Note: You will be required to submit a copy of your DMV printout if you continue in the testing process.

  • Yes
  • No

09

What type of Driver's License do you posses? (check all that apply)

  • Class A
  • Class B
  • Class C
  • None of the above

10

What is the highest Grade CWEA Collection System Maintenance Technologist Certificate you possess?

  • None
  • Grade I
  • Grade II
  • Grade III
  • Grade IV

11

Are you willing to work shifts including weekends and holidays?

  • Yes
  • No

12

Are you willing to work on-call including weekends and holidays?

  • Yes
  • No
  • Required Question

Salary : $220 - $400

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