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

La Sierra University

Office Coordinator

Riverside, CA

$18.75 - $25/hr

This is a part-time position of 20 (50%) hours per week. Essential Duties and Responsibilities includes the following. Other duties may be assigned. * Provide a physical presence in the office: be ...

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La Sierra University

Office Coordinator

Riverside, CA · On-site

$18.75 - $25/hr

This is a part-time position of 20 (50%) hours per week. Essential Duties and Responsibilities includes the following. Other duties may be assigned. * Provide a physical presence in the office: be ...

New

FedEx Office

Part-Time Shipping and Retail Associate

Brea, CA

$15.75 - $18/hr

  • Medical

  • Dental

  • Vision

  • Retirement

The Part-Time Store Associate is knowledgeable in FedEx Office's retail and shipping products and will work primarily in these areas to consistently deliver a positive customer experience. The ...

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See Rialto, CA salary details

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How much do part time office jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for part time office 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 is a part time office job?

Part time office jobs are positions within an office setting where employees work fewer hours than a standard full-time schedule, typically less than 35-40 hours per week. These roles often include administrative tasks such as answering phones, organizing files, scheduling appointments, and supporting office operations. Part time office jobs can be ideal for students, parents, or anyone seeking work-life balance, as they offer flexible hours and the opportunity to gain professional experience without the commitment of full-time employment.

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 generally need strong organizational skills, attention to detail, and basic computer proficiency, often supported by a high school diploma or equivalent. Familiarity with office software such as Microsoft Office Suite, email platforms, and sometimes office equipment like copiers or scanners is typically required. Excellent communication, reliability, and adaptability are key soft skills that help build positive relationships and handle varied tasks efficiently. These abilities are essential for supporting smooth office operations, meeting deadlines, and contributing positively to the workplace environment.

What are some common challenges faced by part-time office employees, and how can they effectively manage their workload?

Part-time office employees often face the challenge of balancing multiple tasks within limited hours, which can make prioritization essential. Since they may not be present every day, keeping up with ongoing projects and effective communication with full-time staff is key to staying informed and productive. Utilizing organizational tools, setting clear expectations with supervisors, and regularly checking in with teammates can help part-time office workers manage their responsibilities efficiently and ensure smooth workflow integration.

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

AspectPart Time OfficePart Time Administrative Assistant
CredentialsHigh school diploma or equivalent; some roles may require basic computer skillsHigh school diploma; proficiency in office software often preferred
Work EnvironmentOffice settings, reception areas, or administrative departmentsOffice environments, handling clerical and administrative tasks
Employer & Industry UsageBusinesses, nonprofits, government agenciesCorporations, small businesses, healthcare, education
Common Search & ComparisonPart Time Office vs Part Time Administrative Assistant

Both roles involve working in office settings with administrative duties. A Part Time Office position is broader, potentially including reception or clerical tasks, while a Part Time Administrative Assistant focuses specifically on supporting office operations through administrative tasks. The choice depends on the specific responsibilities and skills required.

What are the most commonly searched types of Office jobs in Rialto, CA?

The most popular types of Office jobs in Rialto, CA are:

What are popular job titles related to Part Time Office jobs in Rialto, CA?

For Part Time Office jobs in Rialto, CA, the most frequently searched job titles are:

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

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

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

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

Part Time Office jobs near you
Infographic showing various Part Time Office job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 1% Temporary, and 2% Contract. Highlights an 89% Physical, 5% Hybrid, and 6% Remote 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 9 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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