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Weekend Office Assistant Jobs in Riverside, CA (NOW HIRING)

Ultimate LLC

Office Assistant

Ontario, CA · On-site

$20/hr

Position Overview Ultimate Staffing Services is actively seeking an Office Assistant/PM Assistant for an esteemed client in California. The role involves providing a wide range of administrative and ...

Peregrine Team

Front Office Assistant

Irvine, CA · On-site

$25 - $26/hr

Peregrine Team is hiring a Front Office Assistant in Irvine, CA . This position is a full-time, contract position with full benefits and competitive pay. About the Role Irvine, California, United ...

CYNET SYSTEMS

Office Assistant

Orange, CA · On-site

$13 - $18/hr

To support office administration functions. Requirement/Must Have: * High school diploma or GED required. * 6+ months clerical experience or equivalent combination of experience and education ...

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All JobsOffice JobsWeekend Office Assistant JobsWeekend Office Assistant Jobs in Riverside, CA

Weekend Office Assistant information

See Riverside, CA salary details

$10

$19

$26

How much do weekend office assistant jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for weekend 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 is a weekend office assistant?

A Weekend Office Assistant provides administrative and clerical support to ensure the smooth operation of an office during weekends. Responsibilities may include answering phones, responding to emails, organizing files, and assisting with scheduling. This role is ideal for individuals with strong organizational and communication skills who can work independently. It may be part-time or temporary, depending on the company's needs.

What are the typical responsibilities of a weekend office assistant?

As a Weekend Office Assistant, you will usually handle crucial administrative tasks such as answering phones, greeting visitors, managing calendars, filing documents, and ensuring office supplies are stocked. You may also assist other staff members with projects, process incoming and outgoing mail, and help maintain a tidy work environment. Since weekend shifts often have fewer staff on-site, you might have greater autonomy and responsibility in making sure operations run smoothly. This role offers excellent exposure to various facets of office administration, making it a great starting point for those interested in advancing to higher administrative roles.

What are the key skills and qualifications needed to thrive in the weekend office assistant position?

To succeed as a Weekend Office Assistant, strong organizational skills, attention to detail, and proficiency with office administrative tasks are essential, often supported by a high school diploma or equivalent. Familiarity with office software such as Microsoft Office Suite, email platforms, and basic office equipment is typically required. Excellent communication, reliability, and the ability to multitask help set candidates apart. These skills ensure smooth weekend operations, support colleagues effectively, and provide a positive experience for clients or visitors.

How to become a weekend office assistant with no experience?

To become a weekend office assistant, focus on developing basic organizational and communication skills, and demonstrate reliability and a willingness to learn. Entry-level positions often do not require prior experience, so applying with a simple resume highlighting relevant skills and a positive attitude can be effective. Some roles may also require familiarity with office tools like email or spreadsheets, which can be learned quickly online.

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

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

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

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

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

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

Weekend Office Assistant jobs near you
Infographic showing various Weekend Office Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 14% Part Time, and 2% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $41,089 per year, or $19.8 per hour.

Office Assistant

Ultimate LLC

Ontario, CA • On-site

$20/hr

Other

PTO

This job post has expired today. Applications are no longer accepted.

Job description

Job Description
Position Overview
Ultimate Staffing Services is actively seeking an Office Assistant/PM Assistant for an esteemed client in California. The role involves providing a wide range of administrative and office support, ensuring smooth operations and maintaining high standards of organization. This position is pivotal in managing document archiving, file auditing, and offering front desk support.
Responsibilities

  • Serve as a backup for the receptionist, including covering breaks and lunch periods, and executing all Receptionist duties.
  • Provide scheduled PTO coverage for phones until 5:00 PM.
  • Support administrative tasks such as data entry, preparing documents, and tracking databases as assigned by management.
  • Close out Estimator and PM Books/Archiving and file all job-related paperwork.
  • Operate standard office equipment including postage machines, copiers, printers, and computers.
  • Prepare files/documentation for job audits and conduct a full audit of files when a project is closed and prior to archiving.
  • Draft meeting minutes, cost estimates, and miscellaneous project correspondence.
  • Perform other administrative duties as assigned to support company operations.
Qualifications
  • Education requirement is a high school diploma.
  • 2-5+ years of experience in the construction industry preferred.
  • Knowledge of administrative and clerical procedures, including word processing and managing files and records.
  • Basic computer skills in Word, Excel, Outlook, PDF, and scanning.
  • Strong attention to detail and organizational skills.
  • Ability to manage multiple tasks and meet deadlines in a fast-paced environment.
  • Professional demeanor with strong communication and interpersonal skills.
  • Team-oriented and able to collaborate effectively across departments.
  • Reliable, punctual, and adaptable to changing priorities.
Required Work Hours
The work schedule is Monday through Friday, from 8:00 AM to 4:30 PM with a 30-minute lunch break. If the receptionist is on scheduled PTO, the work hours extend to 5:00 PM with a one-hour lunch break.
Benefits
This position offers a stable work environment with opportunities for growth and development within the company. The pay is fixed at $20 per hour, with approximately 0% travel time required.
Physical Requirements
  • Prolonged periods of sitting at a desk and working on a computer.
  • Must be able to lift 15 pounds at times.
  • Must be able to access and navigate each department at the organization's facilities.

Interested candidates are encouraged to apply directly to this job posting for consideration.
All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance, and San Francisco Fair Chance Ordinance.
Job Reference: JN -062026-423253

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