Administrative Assistant

Salary : $92,023.62 - $111,109.96 Annually

Location : Martinez, CA

Job Type : Full-time

Job Number : 2026-001

Department : Operations Department

Opening Date : 01 / 26 / 2026

Closing Date : 1 / 31 / 2026 11 : 59 PM Pacific

THE POSITION

Central San, a progressive public utility, is seeking an Administrative Assistant that will be assigned to the Operations Department, Plant Operations Division and Plant Maintenance Division. Under general supervision, provides a variety of responsible and difficult administrative, clerical, and office support activities to an assigned department, which may include word processing, data entry and organization, telephone reception, processing of invoices, record keeping, report preparation, and filing; provides information and assistance to the general public and staff; and performs related duties as assigned.

For a complete job description,

MINIMUM QUALIFICATIONS

Education :

Equivalent to the completion of twelfth (12th) grade. Completion of secretarial, office management or business course work is highly desirable.

Experience :

Three (3) years of full-time experience providing administrative support and public contact duties.

Licenses and Certifications :

Possession of a valid California Driver's License may be required for some positions.

SELECTION PROCEDURE

Applicants interested in applying for this position must submit a completed District application and supplemental questionnaire online at Paper applications are not accepted. A resume may be attached but is not a substitute for a completed application and supplemental questionnaire. Responses such as "See resume" will not be considered.

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. Future vacancies in this classification may be filled from this eligible list.

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

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

The Central Contra Costa Sanitary District offers a generous benefit package to employees. Detailed information can be found on the of the District's website. This classification is represented by Public Employees Union, Local#1. The benefits include :

Insurance :

General employees enjoy fully paid dental, vision, and life insurances. Employees have a choice of medical plans which includes chiropractic. Kaiser and HealthNet SmartCare are fully 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 plus one birthday holiday per year.

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 (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 :

General employees are allowed $100 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 ensure it is filled out thoroughly. 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

Please describe your customer service experience and if you have front desk / reception experience. Please include the name of employer, your position title, and the time period of the experience. If you have no experience, please state "not applicable".

03

3. Please describe your administrative support experience including the name of employer, your position title, number of people supervised, and the time period of the experience. If you have no experience, please state "not applicable".

04

4. Please describe your experience proofreading, editing, and formatting documents. Please include the types of documents and the time period of experience. If you have no experience, please state "not applicable".

05

Please describe your experience with purchasing goods and services including processing requisitions and invoices. If you have no experience, please state "not applicable".

06

Please list any software related to this position (public agency, Board documents, accounting, records, etc.) that you have experience with including Microsoft Office programs. Please also include your level of proficiency and years of experience with each. If you have no experience, please state "not applicable."

07

Please describe your experience scheduling, organizing, and coordinating meetings, events, travel, and trainings. If you have no experience, please state "not applicable."

08

Please list any relevant degrees, courses, training, licenses, or certifications (for example, business classes or notary). Please include the duration of each course or program (for example, a semester course).

Required Question