Demo

Administrative Assistant

West Yost
San Diego, CA Part Time
POSTED ON 10/31/2025 CLOSED ON 11/5/2025

What are the responsibilities and job description for the Administrative Assistant position at West Yost?

West Yost provides high-quality client services in water supply, water and wastewater treatment, groundwater, stormwater, and recycled water. Our professionals provide complete water engineering, science, and technology services from our twelve offices in California, Oregon, Arizona, and Washington - bringing innovative and collaborative approaches to deliver higher value projects and programs.

We are the largest engineering firm located solely on the West Coast, providing services only to the water sector.  Our staff includes certified or registered professionals in civil, mechanical, chemical, and electrical engineering; water and wastewater treatment planning and design; geology, engineering geology, and hydrogeology; architecture; GIS; land surveying; control system cybersecurity; and construction management and inspection services.

Basic Job Function

Schedule onsite recycled water inspections and provide general administrative support (including some light client invoicing tasks) and office coordination.

Essential Duties and Accountabilities

  • Schedule site inspections for Water District customers. Scheduling entails contacting others through phone, text and email, researching information, and populating outlook calendars.
  • Maintain detailed logs of all calls made.
  • Provide weekly and monthly updates on inspections performed to the Water District.
  • Prepare monthly client invoicing – Excel prepared invoice coversheets.
  • Prepare some simple monthly project reporting.
  • Providing quality assurance/quality control of all draft and final documents.
  • Act as front desk receptionist to greet all visitors, internal and external, professionally.
  • Delivery of work products to clients and other area offices.
  • Assisting in maintaining a pleasant and orderly office environment by ordering, supplies and stocking and maintaining the kitchen and common areas of the office.

Qualifications

Preferred Education and/or Experience

  • Proficiency with Microsoft Word, Excel and Outlook
  • Strong telephone presence
  • Strong organizational and problem-solving skills
  • Strong follow up skills
  • Valid driver's license and good driving record
  • Friendly and professional demeanor
  • Spoken Spanish fluency not required, but desired
  • Demonstrated attention to detail and ability to set and meet deadlines
  • Strong interpersonal skills demonstrating a consistent commitment and ability to work with diverse work groups and individuals

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform these essential functions.

  • Some lifting of materials (45 lbs. or less)
  • Use hands to type and reach with hands and arms, sometime above head
  • Long periods of time at a computer

Work Environment

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Environmental Factors

  • Indoor close to 100%, Outdoor >1%
  • The noise level in the work environment is typically moderate

Work Week

The base work week and core hours are 25 - 30 hours per week, Monday through Friday.  

Part-time work opportunity that includes our complete benefits package!
Administrative Assistant
Ultimate Staffing Services -
Vista, CA
Administrative Assistant
Ultimate Staffing Services -
San Marcos, CA
Administrative Assistant
Veteran Benefits Guide -
Chula Vista, CA

Hourly Wage Estimation for Administrative Assistant in San Diego, CA
$22.00 to $28.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Administrative Assistant?

Sign up to receive alerts about other jobs on the Administrative Assistant career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$42,423 - $53,300
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$40,950 - $50,639
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$59,158 - $74,794
Income Estimation: 
$59,158 - $74,794
Income Estimation: 
$72,615 - $89,381
Income Estimation: 
$42,423 - $53,300
Income Estimation: 
$49,359 - $62,131
Income Estimation: 
$40,950 - $50,639
This job has expired.
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at West Yost

  • West Yost Irvine, CA
  • Who we are: We are a water-focused engineering consulting firm, certified as a Great Place to Work® based on feedback from our community of over 260 team m... more
  • 14 Days Ago

  • West Yost Oswego, OR
  • West Yost is currently searching for an Electrical Engineer (Municipal Water Infrastructure - Power Distribution & Control Systems) to join the OTCR Sector... more
  • 4 Days Ago

  • West Yost Oswego, OR
  • Who We Are We are a water-focused engineering consulting firm, certified as a Great Place to Work® based on feedback from our community of over 260 team me... more
  • Just Posted

  • West Yost Irvine, CA
  • Who We Are We are a water-focused engineering consulting firm, certified as a Great Place to Work® based on feedback from our community of over 260 team me... more
  • Just Posted


Not the job you're looking for? Here are some other Administrative Assistant jobs in the San Diego, CA area that may be a better fit.

  • Foundation Partners Group La Mesa, CA
  • As an Administrative Assistant, you will provide administrative and clerical support to managers, team members, and client families, including answering ph... more
  • 1 Month Ago

  • Pediatric Health Care Alliance San Diego, CA
  • We are seeking an Administrative Assistant to join our team! You will perform clerical and administrative functions in order to drive company success.Respo... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!