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Substitute Office Assistant Jobs in Riverside, CA

JM Temporary Services & Affiliates

Be Seen First

Fiscal Assistant

San Bernardino, CA · On-site

$20.25 - $22.75/hr

Experience in payroll is desirable Substitution: Six (6) semester (9 quarter) units of completed ... Will still need a minimum of 6 months of hands on experience in an office environment. Apply online ...

JM Temporary Services & Affiliates

Be Seen First

Fiscal Assistant

San Bernardino, CA · On-site

$20.25 - $22.75/hr

Experience in payroll is desirable Substitution: Six (6) semester (9 quarter) units of completed ... Will still need a minimum of 6 months of hands on experience in an office environment. Apply online ...

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All JobsSubstitute Office JobsSubstitute Office Assistant JobsSubstitute Office Assistant Jobs in Riverside, CA

Substitute Office Assistant information

See Riverside, CA salary details

$10

$19

$26

How much do substitute office assistant jobs pay per hour?

As of Aug 16, 2026, the average hourly pay for substitute office assistant in Riverside, CA is $19.75, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $22.07 per hour, depending on experience, location, and employer.

What are common challenges faced by substitute office assistants when adapting to different workplaces?

Substitute Office Assistants often encounter the challenge of quickly acclimating to new office environments, each with its own procedures, technology, and team dynamics. They need to be adaptable and efficient at learning new tasks and software systems on the fly. Additionally, building rapport with unfamiliar staff members and understanding the specific priorities of each office can be demanding. However, strong communication skills and a proactive approach to asking questions can help overcome these hurdles and ensure a smooth transition into each assignment.

What is a substitute office assistant?

Substitute Office Assistants are temporary staff members who fill in for regular office assistants when they are absent or unavailable. Their main responsibilities typically include answering phones, greeting visitors, filing documents, managing correspondence, and performing other clerical tasks to keep the office running smoothly. They may work in schools, government agencies, or private businesses, adapting quickly to different workplace environments. Substitute Office Assistants play a key role in ensuring that daily operations continue without interruption.

What is the difference between Substitute Office Assistant vs Office Clerk?

AspectSubstitute Office AssistantOffice Clerk
CredentialsHigh school diploma or equivalent; basic computer skillsHigh school diploma or equivalent; familiarity with office software
Work EnvironmentTemporary, flexible assignments in various office settingsFull-time or part-time in a consistent office environment
Employer & Industry UsageSchools, government agencies, businesses for short-term coverageCorporate offices, government, healthcare for ongoing clerical tasks

The Substitute Office Assistant typically fills in temporarily across different offices, focusing on basic administrative tasks. In contrast, the Office Clerk usually works in a fixed position, handling routine clerical duties regularly. Both roles require similar credentials but differ mainly in employment stability and scope of work.

What skills and qualifications are needed to thrive as a substitute office assistant?

To thrive as a Substitute Office Assistant, you need proficiency in basic administrative tasks, organizational skills, and a high school diploma or equivalent. Familiarity with office software like Microsoft Office Suite, copiers, and scheduling systems is typically required. Strong interpersonal skills, adaptability, and attention to detail help someone excel in this role. These abilities ensure seamless office operations and reliable support during staffing gaps.

What are popular job titles related to Substitute Office Assistant jobs in Riverside, CA?

For Substitute Office Assistant jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Substitute Office Assistant jobs in Riverside, CA look for?

The top searched job categories for Substitute Office Assistant jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Substitute Office Assistant jobs?

Cities near Riverside, CA with the most Substitute Office Assistant job openings:

Substitute Office Assistant jobs near you
Infographic showing various Substitute Office Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $41,089 per year, or $19.8 per hour.

Receptionist/Substitute Coordinator

Think Together

Chino, CA • On-site

$22/hr

Full-time

Posted 3 days ago

New

Think Together rating

5.6

Company rating: 5.6 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

61st of 77 rated education support services

Job description

Overview

Receptionist/Substitute Coordinator

Founded in 1997, Think Together partners with schools to change the odds for kids by providing award-winning programs during and outside the school day. We’re one of California’s largest nonprofits working in school districts from San Diego to San Francisco. Whether you’re interested in early learning, elementary, middle or high school, you can invest in your community by working at a local school or working within our home office providing support!
JOB SUMMARY: Manages daily staffing for after-school programs at schools within the individual Think Together regions and other districts with Think Together programs. Works with various schedules and absence reports to assign substitute program leaders to sites. Independently handles various other aspects of substitute staffing in order to meet program objectives and staffing parameters. Responsible for regional office operations such as purchasing and facilities management. Under direct supervision, performs or assists in the performance of tasks in the assigned area. Meets project time schedules and quality standards for accomplishment of routine, scheduled and occasional tasks. Serves as the regional office front desk receptionist.


ESSENTIAL DUTIES AND RESPONSIBILITIES:
• Meets strict requirements for attendance and punctuality.
• Maintains a neat and orderly desk and reception area at all times.
• Welcomes callers and visitors and provides a positive first impression of the organization.
• Logs in visitors and issues visitor badges when necessary.
• Answers telephones, routes calls, takes and delivers telephone messages in a professional and courteous manner.
• Screens callers and visitors prior to routing them to appropriate personnel.
• Assures prompt and accurate distribution of all mail and packages.
• May sign to verify receipt of items that are delivered to the reception area.
• Uses time effectively to assist with clerical or administrative tasks and projects as requested or assigned.
• Responsible for maintaining professional appearance of the kitchen area.
• Works to ensure appropriate staffing count at after-school program sites.
• Works daily with staff to receive absence reports (same day absence or reports of future planned absences).
• Calls substitutes to find available replacements and briefs them on site information or other special requirements if any. May send information or other details to substitutes.
• Communicates with site coordinators regarding staff changes daily or as needed.
• Monitors accuracy of substitute Program Leader work hours.
• Communicates with HR department and Site Coordinators job performance of assigned substitutes when needed.
• Liaises with various employers (school districts) on attendance issues as needed.
• Maintains comprehensive records.
• Creates and maintains training schedules.
• Coordinates facilities management, purchasing and supplies
Other Responsibilities:
• Maintain/track/order general office supplies.
• Maintain and update office directories.
• Maintain track and log boxes for off-site storage facility.
• Implements processes to ensure smooth functioning of the reception area.
• Trains back up receptionist as needed.
• Maintains highest degree of confidentiality in student, staff and management matters.
• Order/print business cards as needed for staff.
• Works independently to refine and improve processes and procedures.
• Maintains highest levels of confidentiality regarding personnel matters, health data or other confidential data received from employees.
• Answers phones as needed. Save
• Completes other administrative or interaction duties as requested.

Skills:
• Experience with a receptionist operated central telephone system. Clear telephone voice.
• Proven ability to communicate professionally and effectively with stakeholders, including school administrators, district officials, parents and community partners.
• Good verbal and written communication skills.
• Proven time management, organizational skills and ability to work in fast-paced collaborative environment, able to perform multiple concurrent tasks with frequent unplanned requests and/or delays
• Willingness to accept responsibility.
• Basic math skills sufficient
• Ability to work cooperatively and collaboratively with staff to accomplish work in a timely fashion.
• Ability to communicate effectively and demonstrate sensitivity to others.
• Proficiency in the use of Microsoft Office (Word, Excel, PowerPoint, and Outlook).
• Must pass Live Scan (fingerprinting), Background Check, and Tuberculosis Test

EDUCATION and / or EXPERIENCE:
• 1 -3 years of prior administrative support role is required
• High school diploma required; two-year minimum college degree preferred
• 2 to 3 years of experience with educational settings and operations

Payrate: $22/hr

Think Together is an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, national origin, ancestry, sex, gender, gender identity, gender expression, pregnancy, childbirth or related medical conditions, religious creed, physical disability, mental disability, age for individuals age 40 and over, medical condition (as defined by state law (for example, cancer or genetic characteristics or HIV/AIDS), marital status, military and veteran status, sexual orientation, genetic information, citizenship status or any other characteristic protected by federal, state or local law. Our management team is dedicated to this policy with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities and general treatment during employment.

What Think Together employees say

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