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Senior Office Assistant (LA-378-25E) Carson

Los Angeles County Sanitation Districts
Whittier, CA Part Time
POSTED ON 12/9/2025 CLOSED ON 12/24/2025

What are the responsibilities and job description for the Senior Office Assistant (LA-378-25E) Carson position at Los Angeles County Sanitation Districts?

NOTICE OF EXTERNAL RECRUITMENT

POSTING #LA-378-25E

SENIOR OFFICE ASSISTANT

The Los Angeles County Sanitation Districts is recruiting for a Senior Office Assistant at our A. K. Warren Water Resource Facility, in Carson. The essential functions of this position are to independently perform a broad range of office support duties, including formatting and editing documents, form processing, filing and record-keeping, mail handling, and reception in support of an assigned work unit.

This role provides a 9/80 work schedule with alternating Fridays off. This is an excellent career opportunity, with comprehensive benefits including medical, dental, retirement, along with paid vacation, sick leave and holidays. Additional benefit information can be viewed by clicking on the Benefits tab. Initial salary placement will be based on the selected candidate's qualifications.

Job Summary

Under the general supervision of the Supervising Engineer, the incumbent provides clerical support to Warren Facility office and field personnel; assists in overseeing the work of an Office Assistant; supports the Purchasing Section with purchasing related activities; tracks and maintains office supply inventory and orders supplies; creates purchase requisitions; creates receiving documents within a purchasing management system; may perform timekeeping duties; creates reports and spreadsheets utilizing Microsoft Word and Excel; sorts and files electronic and physical documents using Districts’ approved document management systems; types miscellaneous memos and letters; performs duties and tasks with accuracy and consistency; coordinates office procedures with regard to deadlines and changing priorities; answers a heavy volume of telephone calls from vendors and field personnel and provides information; and performs related duties as required.

Candidates must possess one year of experience performing the duties equivalent to an Office Assistant II or a minimum of two years of general office support experience.

DESIRABLE QUALIFICATIONS: The ideal candidate will:

  • Demonstrate proficiency in managing procurement activities, including creating purchase requisitions, tracking purchase orders, processing invoices, obtaining vendor quotes, coordinating with suppliers, and resolving procurement issues.
  • Possess strong communication skills and sound problem-solving abilities.
  • Exhibit a proven capacity to lead and influence others without formal supervisory authority.

Knowledge Of

The competitive selection process may cover:

Principles of project leadership; general office practices, procedure and equipment; correct English usage, grammar, spelling, punctuation and vocabulary; standard business letter and report typing composition, formats and procedures; telephone/receptionist techniques and etiquette; office filing and recordkeeping methods; word processing, spreadsheet and e-mail software; basic mathematical calculations applied to business functions; database maintenance and recordkeeping.

Ability To

Type 8,000 keystrokes per hour (KPH). Perform routine clerical work including simple arithmetic calculations; prepare routine correspondence; learn and apply office procedures and policies; exercise independent judgment within prescribed parameters; operate a variety of office equipment including document copying and fax machines; operate a computer and utilize software applications; follow proper typing format for letters and reports; proofread for appropriate English grammar and punctuation; focus on the details of work content, work steps and final work products; organize work to be able to react to change as the situation requires; make business math calculations involving fractions, percentages, and common conversions; work effectively with various employees and customers.

Selection Process

  • All applications will be reviewed to determine if the conditions and qualifications for testing are met.
  • The selection process will consist of a written test weighted at 50% and/or an interview weighted at 50%.
  • The written exam is tentatively scheduled for Saturday, January 3, 2026.
  • Candidates must receive a qualifying score on each selection component to move forward in the selection process.

Please apply online at www.lacsd.org within the application period. Resumes will not be accepted in lieu of a completed LACSD Employment application. Please check your email regularly throughout the recruitment process, as notifications will be sent via email. Please make sure that your registered e-mail address is accurate and current. To ensure proper delivery, add info@governmentjobs.com to your contact list.

NOTE: The individual(s) recommended for hire must undergo a job-related pre-employment physical, as well as a reference check, background check, DMV report, and a drug test.

To learn more about how the Sanitation Districts convert waste into resources, please visit the following video: Converting Waste into Resources.

For more information regarding this recruitment, please contact Luz Avila at (562) 908-4288, extension 1329.

As an equal opportunity employer, the Districts strongly encourages people with disabilities and individuals from historically marginalized communities to apply.

Hourly Wage Estimation for Senior Office Assistant (LA-378-25E) Carson in Whittier, CA
$28.00 to $36.00
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