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Assistant Administrator Jobs in Rialto, CA (NOW HIRING)

Monster Energy

POS Administrator(Temp to Hire)

Corona, CA · On-site

$16 - $21/hr

Join the Monster Energy team as an SAP Administrator and rev up your career! In this electrifying ... * Assist other members of the POS department when requested. * Perform additional duties as ...

University of San Francisco

Office Administrator

Orange, CA · On-site

$19.25 - $26.50/hr

This individual will also assist with admission and enrollment services for students and their families, as well as event coordination. The Orange County Campus Office Administrator reports to both ...

The University of San Francisco

Office Administrator

Orange, CA · On-site

$19.25 - $26.50/hr

This individual will also assist with admission and enrollment services for students and their families, as well as event coordination. The Orange County Campus Office Administrator reports to both ...

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All JobsAdministrator JobsAssistant Administrator JobsAssistant Administrator Jobs in Rialto, CA

Assistant Administrator information

See Rialto, CA salary details

$26.1K

$68.4K

$136.9K

How much do assistant administrator jobs pay per year?

As of Jul 28, 2026, the average yearly pay for assistant administrator in Rialto, CA is $68,404.00, according to ZipRecruiter salary data. Most workers in this role earn between $45,100.00 and $80,700.00 per year, depending on experience, location, and employer.

How much is an admin assistant's salary?

The salary for an administrative assistant typically ranges from $30,000 to $50,000 annually, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages.

What is the difference between Assistant Administrator vs Office Manager?

AspectAssistant AdministratorOffice Manager
CredentialsTypically requires a high school diploma or associate degree; some roles prefer a bachelor's degreeUsually requires a high school diploma; some positions prefer a bachelor's degree or relevant experience
Work EnvironmentAdministrative offices, healthcare facilities, educational institutionsCorporate offices, small to medium businesses, healthcare settings
Employer & Industry UsageUsed across various industries including healthcare, education, and governmentCommonly found in business, healthcare, and nonprofit organizations
Primary ResponsibilitiesSupporting administrative tasks, assisting with operations, coordinating schedulesOverseeing office operations, managing staff, ensuring efficiency

While both roles support office functions, an Assistant Administrator typically focuses on assisting with administrative tasks and supporting management, whereas an Office Manager has broader responsibilities including supervising staff and managing daily operations.

What is the highest paying administrative assistant job?

The highest paying administrative assistant roles are often executive assistants or senior administrative professionals working in industries like finance, law, or technology, with salaries exceeding $70,000 annually. These positions typically require advanced skills, experience, and sometimes specialized certifications, and may involve supporting high-level executives or managing complex projects.

What does an admin assistant do?

An administrative assistant supports office operations by handling tasks such as scheduling appointments, managing correspondence, organizing files, and preparing reports. They often use office software like Microsoft Office and require strong organizational and communication skills to ensure efficient workflow.

What are the key skills and qualifications needed to thrive as an Assistant Administrator, and why are they important?

To thrive as an Assistant Administrator, you need strong organizational skills, attention to detail, and a background in business administration or a related field. Familiarity with office management software such as Microsoft Office Suite and scheduling systems is typically required. Excellent communication, multitasking, and problem-solving abilities help you excel in supporting teams and managing daily operations. These skills are essential for ensuring efficient workflow, smooth administrative processes, and effective support of organizational goals.

What does an Assistant Administrator do?

An Assistant Administrator supports the daily operations of an organization by handling administrative tasks such as scheduling meetings, managing correspondence, maintaining records, and assisting with budgeting or project coordination. They often serve as a liaison between staff, management, and external stakeholders to ensure smooth workflow and communication. Their role can vary depending on the industry but generally focuses on keeping administrative processes efficient and organized.

What Is an Administrative Assistant?

An administrative assistant performs clerical tasks that are vital to an efficiently run office. As an administrative assistant, your job duties affect the daily operations of the office as a whole. You provide administrative support for other employees, such as filing paperwork, handling email communications, and preparing documents and presentations. You’re responsible for data entry, including looking up records when necessary and maintaining a well-organized records system. You also answer telephone calls and direct callers to the right person. Although much of your administrative assistant job requires sitting at a desk, you need excellent interpersonal and communication skills.

What are some common challenges faced by Assistant Administrators, and how can they effectively manage competing priorities?

Assistant Administrators often juggle multiple tasks such as scheduling, correspondence, and supporting various departments, which can lead to competing demands on their time. Effective time management and strong organizational skills are crucial for prioritizing urgent tasks while maintaining attention to detail. Open communication with supervisors and colleagues also helps clarify expectations and ensure that critical responsibilities are addressed promptly. Utilizing digital tools for task tracking and calendar management can further streamline workflow and reduce stress.

What is the work of assistant administrator?

An assistant administrator supports the administrative functions of an organization by handling tasks such as managing schedules, preparing reports, coordinating communication, and assisting with project management. They often use office software like Microsoft Office and may oversee clerical staff or specific departmental activities to ensure smooth operations.
More about Assistant Administrator jobs
What are the most commonly searched types of Administrator jobs in Rialto, CA? The most popular types of Administrator jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Assistant Administrator jobs? Cities near Rialto, CA with the most Assistant Administrator job openings:
Assistant Administrator jobs near you
Infographic showing various Assistant Administrator job openings in Rialto, CA as of July 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 1% Temporary, and 2% Contract. Highlights an 95% Physical, 2% Hybrid, and 3% Remote job distribution, with an average salary of $68,404 per year, or $32.9 per hour.
2026-2027 Elementary Admin Assistant

2026-2027 Elementary Admin Assistant

United Christian Academy

Rancho Cucamonga, CA

$18/hr

Part-time

Posted 3 days ago

Job description

2026-2027 Elementary Admin Assistant at United Christian Academy Share on X Print Application Deadline Until Filled Date Posted 2/25/2026 Contact Patricia Ornelas 9095817789 Number of Openings 1 Salary Single Rate 18.00 Per Hour Add'l Salary Info 37.50 Hours/Week Length of Work Year 10 Employment Type Part Time Job Summary Job Summary Position: Elementary Admin Assistant Start Date: July 20, 2026 Benefits: See Employee Benefits Schedule Position Open: Until filled; only best best-qualified candidates will be invited for follow-up interview(s). Qualification Requirements: See job description. All applications and supporting materials received will become the property of United Christian Academy and will not be returned

Inquiries should be directed to: United Christian Academy Attn: Human Resources 10900 Civic Center Dr. Rancho Cucamonga, CA 91730 Phone: (909) 758-8747 Email: HR@UCAcademy.org View Job Description Requirements / Qualifications To Apply & View Job Description Visit: https://www.paycomonline.net/v4/ats/web.php/portal/A6F3B786517B0FC55301838FDCDEF56E/jobs/99874 Requirements / Qualifications To Apply & View Job Description Visit: https://www.paycomonline.net/v4/ats/web.php/portal/A6F3B786517B0FC55301838FDCDEF56E/jobs/99874 Comments and Other Information Please select "Click Here to Apply" (Red box) ------------------> Comments and Other Information Please select "Click Here to Apply" (Red box) ------------------> CalPERS Links Not all postings qualify for CalPERS. Informational Only

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