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Part Time Office Assistant Jobs in Rialto, CA (NOW HIRING)

Tucker's Tax Service

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Administration Assistant-PART TIME Starts January 2027

Moreno Valley, CA · On-site

$18/hr

What does an office assistant do? The ideal candidate will be a hard-working professional able to undertake a variety of office support tasks and work diligently under pressure. Will be comfortable ...

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Part Time Office Assistant information

See Rialto, CA salary details

$9

$18

$25

How much do part time office assistant jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for part time office assistant in Rialto, CA is $18.99, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $21.20 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a part time office assistant, and why are they important?

To thrive as a Part Time Office Assistant, you need organizational skills, attention to detail, and basic computer literacy, often supported by a high school diploma or equivalent. Familiarity with office software such as Microsoft Office Suite, email platforms, and common office equipment is typically required. Strong communication, time management, and a proactive attitude help you stand out in this support role. These skills are vital for maintaining efficient office operations and ensuring tasks are completed accurately and on time.

What are some common challenges a part time office assistant might face, and how can they be addressed?

Part Time Office Assistants often juggle multiple responsibilities in a limited timeframe, such as managing correspondence, scheduling, and supporting team members. Balancing these tasks efficiently can be challenging, especially when priorities shift quickly. Clear communication with supervisors and proactive time management are essential for staying organized. Many offices use digital tools to streamline workflows, so being adaptable and open to learning new systems can also help overcome these challenges.

What does a part time office assistant do?

A Part Time Office Assistant provides administrative support to ensure the smooth operation of an office. Typical duties include answering phones, filing documents, scheduling appointments, maintaining records, and assisting with basic bookkeeping or data entry. They may also help with preparing reports, managing office supplies, and supporting other staff as needed. Part-time positions generally require fewer hours than full-time roles, offering flexibility for students or those seeking work-life balance.

What is the difference between Part Time Office Assistant vs Part Time Administrative Assistant?

AspectPart Time Office AssistantPart Time Administrative Assistant
CredentialsHigh school diploma or equivalent; basic computer skillsHigh school diploma; may require familiarity with office software
Work EnvironmentFront desk, reception, general office tasksClerical, data entry, scheduling, correspondence
Employer & Industry UsageRetail, healthcare, small businessesCorporate offices, nonprofits, government agencies
Search & Comparison IntentOften compared for entry-level office rolesCompared for administrative support positions

Both roles involve supporting office functions, but Part Time Office Assistants typically handle reception and basic clerical tasks, while Part Time Administrative Assistants focus more on data management and scheduling. The choice depends on the specific duties required by the employer.

What job categories do people searching Part Time Office Assistant jobs in Rialto, CA look for?

The top searched job categories for Part Time Office Assistant jobs in Rialto, CA are:

What cities near Rialto, CA are hiring for Part Time Office Assistant jobs?

Cities near Rialto, CA with the most Part Time Office Assistant job openings:

Part Time Office Assistant jobs near you
Infographic showing various Part Time Office Assistant job openings in Rialto, 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 $39,494 per year, or $19 per hour.

Part-Time Office Assistant - Dining Services (Centerpointe) #721873990

CAL POLY POMONA FOUNDATION

Pomona, CA • On-site

$16.90 - $24.25/hr

Part-time

Posted 10 days ago

Job description

Description
Cal Poly Pomona Enterprises Employment Services
ANNOUNCEMENT OF POSITION VACANCY
SUMMARY: Under the general supervision, the Office Support position is responsible for supporting the Manager with procurement-related tasks such as selecting the right product mix, managing purchase orders, order confirmations, monitoring inventory, and providing administrative support. This position will also work closely with vendors and keep track of orders and market trends.
SOME OF THE THINGS THAT YOU WILL GET TO DO (this is just a small sampling of work variety):
  • Assist with purchasing responsibilities within all general merchandise categories. This includes in-depth analysis of product sales, cost of goods, margins and other various metrics used to make well-informed purchasing and reorder decisions.
  • Examine and diligently manage inventory ordering and inventory stock levels.
  • Monitor orders and maintain regular communication with multiple suppliers to ensure the prompt delivery of products, optimizing the potential for sales.
  • Conduct supplier assessments, explore prospective vendors, and engage in pricing evaluation and negotiations as needed.
  • Manage special orders, from quoting customers to sourcing products and creating/maintaining related documents, tracking, systems and relationships.
  • Provide a wide range of general office tasks, including answering phones, preparing correspondence, filing, sending faxes, scanning documents and related data entry.
  • Regularly communicate work/project status updates/challenges and task completions with direct supervisor.
  • Schedule, supervise, train, develop, and hiring of student employees.
  • Assist with creation and, development of procedures and departmental processes.
  • Ensure a pleasant and secure customer shopping environment with well-signed, tagged, displayed, and priced merchandise while maintaining various visual standards to drive sales.
  • Maintain precise records, including inventory, pricing, product margin, mark-downs, accounting documents, and related practices to ensure financial success.
  • Collaborate effectively with staff at all levels within a diverse, multicultural, collaborative and inclusive environment.
  • Strategize, manage, and collaborate with other departments which include various campus partners, such as marketing, to execute promotions, sales, and events related to product and service awareness.
  • Demonstrate a high level of interactive customer service, efficient prioritization, and the ability to manage multiple projects simultaneously with proficiency.

COMPETENCIES:
  • Competence in, spreadsheets, presentation software, and internet searches.
  • Ability to plan and prioritize tasks.
  • Strong analytical, organizational and problem-solving skills.
  • Capability to work in a fast-paced environment and make meaningful contributions.

ADDITIONAL EXPECTATIONS:
  • Foster mutual respect among team members and demonstrate a commitment to student leadership.
  • Maintain a valid driver's license and the ability to drive Foundation Vehicles.
  • Participate in and complete mandatory training sessions.
  • Apply policies and procedures to a variety of situations.
  • Display resourcefulness and take initiative.
  • Adhere to a regular work schedule, which may include evenings and weekends.

SUPERVISORY RESPONSIBILITIES:
  • Frequent supervision of part-time staff and/or student staff.
  • Provides regular feedback and coaching to student team.

MINIMUM QUALIFICATIONS:
  • Professional level of knowledge is needed equivalent to that which would be acquired by completing a 2-year college degree program (AA degree) or an equivalent combination of education and experience. Bachelor's degree or higher preferred.
  • Demonstrated experience in merchandising and sales to both retail and institutional customers.
  • Previous experience working on a college campus preferred.

ABOUT US: As the largest employer of students on the Cal Poly Pomona campus, the Enterprises offers valuable work experience and hands-on training to approximately 1,500 Cal Poly Pomona students each year. The Enterprises offers positions in various fields; whether it is in the area of technology, science, retail, culinary arts, hospitality1500 management, leadership or research grants, these student employees participate in Cal Poly Pomona's learn-by-doing philosophy and acquire practical skills in their designated field of study.
The Enterprises also contributes operating support to nearly 1,100 Enterprises and scholarship programs every year, including Bronco Athletics and the Norman J. Priest Scholarship. In addition, the Enterprises administers grants and contracts, contributes to campus security, and supports several university publications. The Enterprises contributes over $1 million annually to Cal Poly Pomona.
CSU along with Cal Poly Pomona Enterprises strongly recommend faculty, staff, and students who are accessing campus facilities to be immunized against COVID-19 or declare an exemption from doing so. The systemwide policy can be found at COVID-19 Vaccination Interim Policy and any questions may be sent to fdnhr@cpp.edu
Cal Poly Pomona Enterprises, Inc. is an Equal Opportunity Employer. In compliance with the Americans with Disabilities Act, Cal Poly Pomona Enterprises, Inc. may provide reasonable accommodations to qualified individuals with disabilities and encourages both prospective and current employees to discuss potential accommodation with the employer.

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