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Assistant Admin Jobs in Rialto, CA (NOW HIRING)

Payroll Admin

Redlands, CA · On-site

$24.75 - $33.25/hr

Submit and balance 401K payments, process loans and assist with yearly audit * Handle Unemployment claims * Monitor time cards for discrepancies & enter payroll data into system * Prepare/issues ...

We are looking for an Administrator with experience working in skilled nursing The primary purpose ... governing board. Assist department directors in the development, use, and implementation of ...

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* Strong tested Excel skills * Excellent communication - verbal and written * System savvy - ERP/CRM Systems * Must have experience with Sage accounting software * Manufacturing experience helpful

... · Administer injections and medications within scope of practice · Perform EKGs, specimen ... Assistant diploma or certificate from an accredited program · Minimum of one (1) year of recent ...

... · Administer injections and medications within scope of practice · Perform EKGs, specimen ... Assistant diploma or certificate from an accredited program · Minimum of one (1) year of recent ...

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Assistant Admin information

See Rialto, CA salary details

$11

$21

$31

How much do assistant admin jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for assistant admin in Rialto, CA is $21.10, according to ZipRecruiter salary data. Most workers in this role earn between $17.36 and $23.37 per hour, depending on experience, location, and employer.

What are the roles of an admin assistant?

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

What are the most common challenges faced by assistant admins in a busy office setting?

Assistant Admins often juggle multiple tasks simultaneously, such as managing schedules, handling correspondence, and supporting various team members. One common challenge is prioritizing urgent requests while maintaining accuracy and attention to detail. Working with different departments can also require strong communication skills and adaptability. Building effective time management strategies and staying organized are key to thriving in this dynamic environment.

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

To thrive as an Assistant Admin, you need strong organizational skills, attention to detail, and proficiency in general office tasks, often supported by a high school diploma or associate degree. Familiarity with office software such as Microsoft Office Suite, scheduling systems, and document management tools is typically required. Excellent communication, time management, and problem-solving abilities help you stand out in this role. These skills are vital for ensuring smooth office operations, effective support to staff, and efficient workflow management.

What exactly does an administrative assistant do?

An administrative assistant provides support by handling tasks such as managing schedules, organizing files, preparing documents, answering phones, and coordinating communication within an office. They often use office software like Microsoft Office and require strong organizational and communication skills to ensure smooth daily operations.

What is the difference between Assistant Admin vs Office Coordinator?

AspectAssistant AdminOffice Coordinator
Required CredentialsHigh school diploma or equivalent; some roles may prefer administrative certificationsHigh school diploma; organizational or administrative certifications beneficial
Work EnvironmentOffice settings, supporting administrative tasksOffice environments, managing daily operations and coordination
Employer & Industry UsageCommon in various industries for administrative supportOften found in corporate, healthcare, and educational sectors for office management
Comparison FocusSupports administrative functions, often reporting to managersCoordinates office activities, ensuring smooth daily operations

The Assistant Admin primarily provides administrative support and handles routine tasks, while the Office Coordinator manages daily office operations and ensures effective workflow. Both roles are essential for office efficiency but differ in scope and responsibilities.

What are the top 3 skills of an assistant admin?

An assistant admin typically needs strong organizational skills, effective communication abilities, and proficiency with office software such as Microsoft Office or Google Workspace. Attention to detail and the ability to multitask are also essential for managing administrative tasks efficiently.

What is an assistant admin?

Assistant Admins, also known as Administrative Assistants, are professionals who provide administrative support within an organization. Their responsibilities typically include managing schedules, organizing files, handling correspondence, and assisting with office operations to ensure everything runs smoothly. They often serve as a point of contact between management, staff, and external parties. Strong organizational, communication, and time management skills are essential for this role. Assistant Admins play a key part in maintaining efficient office workflows and supporting team productivity.
What are the most commonly searched types of Admin jobs in Rialto, CA? The most popular types of Admin jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Assistant Admin jobs? Cities near Rialto, CA with the most Assistant Admin job openings:
Infographic showing various Assistant Admin job openings in Rialto, CA as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $43,890 per year, or $21.1 per hour.

Office of Student Research (Admin Assistants) Instructional Student Assistant (ISA) Pool

California State University

San Bernardino, CA • On-site

$17.25 - $22.50/hr

Full-time, Part-time

Re-posted 4 days ago


California State University rating

7.7

Company rating: 7.7 out of 10

Based on 45 frontline employees who took The Breakroom Quiz

260th of 617 rated colleges and universities


Job description

Office of Student Research (Admin Assistants) Instructional Student Assistant (ISA) Pool

Apply now Job no: 548376
Work type: Instructional Student Assistant
Location: San Bernardino - San Bernardino Campus
Categories: Unit 11 - UAW - California Alliance of Academic Student Workers, Temporary, Part Time, On-site (work in-person at business location)

California State University, San Bernardino (CSUSB) is a preeminent center of intellectual and cultural activity in the Inland Empire region of Southern California. Opened in 1965 and set at the foothills of the beautiful San Bernardino mountains, the university serves approximately 19,000 students. CSUSB is a federally recognized minority-serving and Hispanic-serving institution that reflects the dynamic diversity of the region and has the most diverse student population of any university in the Inland Empire: 74 percent of its students are members of underrepresented groups, 80 percent are first-generation, and 56 percent are Pell eligible. For more information on the campus, please visit the CSUSB website.

CSUSB employs 467 full-time faculty and offers 48 undergraduate, 35 graduate, and one doctoral degree programs and 14 academic programs with national accreditation. At CSUSB, diversity, equity and inclusion are values central to our mission. We recognize that diversity and inclusion in all its forms are necessary for our institutional success. By fully leveraging our diverse experiences, backgrounds and insights, we inspire innovation, challenge the status quo and create better outcomes for our students and community. As part of CSUSB's commitment to hire, develop and retain a diverse faculty, we offer a variety of networking, mentoring and development programs for our junior faculty. We are committed to building and sustaining a CSUSB community that is supportive and inclusive of all individuals. Qualified applicants with experience in ethnically diverse settings and/or who demonstrate a commitment to serving diverse student populations are strongly encouraged to apply.

JOB SUMMARY

The OSR is seeking undergraduate students to serve as Administrative Research Assistants under the ISA classification. Students will support day-to-day operations and strategic planning of OSR programs, such as the Summer Research Program and Meeting of the Minds Symposium. Administrative ISAs will assist in communications, event logistics, data entry, and outreach to students and faculty. Candidates should demonstrate strong organizational and interpersonal skills and a commitment to supporting research at CSUSB.

TYPICAL ACTIVITIES

- Provide clerical and administrative support, including scheduling, email correspondence, and filing.
- Support the planning and execution of workshops, events, and research conferences.
- Create promotional materials, newsletters, and social media content.
- Assist with data entry and the maintenance of research-related databases.

MINIMUM QUALIFICATIONS

- Must be a currently enrolled graduate student at CSUSB.
- Minimum GPA of 3.0
- Strong written and verbal communication skills.
- Ability to maintain confidentiality and handle sensitive information.

 

REQUIRED QUALIFICATIONS

  • Must be eligible to work on campus and successfully complete hiring paperwork.
  • Proficiency in Microsoft Office (Word, Excel, Outlook) and Google Suite.
  • Attention to detail, strong organizational skills, and the ability to multitask. 

SPECIAL CONDITIONS

The person holding this position is considered a 'mandated reporter' under the California Child Abuse and Neglect Reporting Act and is required to comply with the requirements set forth in CSU Executive Order 1083 as a condition of employment.

Following a conditional offer of employment, a background check (including a criminal records check) must be completed satisfactorily before any candidate may start work with CSUSB. Failure to satisfactorily complete the background check may result in the withdrawal of the offer of employment. Note: CSUSB cannot deny an applicant a position solely or in part due to a criminal conviction history until it has performed an individualized assessment and linked the relevant conviction history with specific job duties in the position being sought.

Please note: Current employees who are offered positions on campus will be required to undergo a background check for any position where a background check is required by law or that CSUSB has designated as sensitive. Sensitive positions are those requiring heightened scrutiny of individuals holding the position based on potential for harm to children, concerns for the safety and security of people, animals, or property, or heightened risk of financial loss to CSUSB or individuals in the university community.

For health and well-being, CSUSB is a smoke & tobacco-free campus. The university is committed to promoting a healthy environment for all members of our community.

ABOUT THE DEPARTMENT

The Office of Student Research (OSR) supports undergraduate and graduate student research across all academic disciplines. Through funding, workshops, and events, OSR fosters a campus-wide culture of inquiry and scholarly engagement. Learn more at https://www.csusb.edu/student-research 

For questions regarding the recruitment, contact:

Office of Student Research

(909)537-3728

osr@csusb.edu 

HOW TO APPLY

Please submit

  1. Curriculum Vitae or Resume
  2. Cover Letter
  3. Reference List - names, telephone numbers, and email addresses of three (3) referees whom we may contact to obtain letters of recommendation. Confidential letters of recommendation will be solicited from those listed as references on the application if the applicant is moved forward in the recruitment process.

Formal review of applications will be as needed.

If you are interested in this opportunity, we invite you to apply by using this CSU Recruit Hyperlink at:

https://secure.dc4.pageuppeople.com/apply/873/gateway/Default.aspx?c=apply&sJobIDs=548376&SourceTypeID=803&sLanguage=en-us&lApplicationSubSourceID=11243

Please Note: CSUSB is currently not sponsoring applicants for H-1B employment that are subject to the $100,000 fee established by the "Presidential Proclamation: Restriction on Entry of Certain Nonimmigrant Workers" issued on September 19, 2025. Applicants are responsible for determining the applicability of the fee.

Salary is commensurate with experience.

(Actual Salary will be in accordance with percentage of time appointed) 

Instructional Student Assistant (1150)             $17.86 - $23.84  Per Hour

CSU Salary Schedule: https://www.calstate.edu/csu-system/careers/compensation/Pages/salary-schedule.aspx

A background check (including a criminal records check) must be completed satisfactorily before any candidate can be offered a position with the CSU. Failure to satisfactorily complete the background check may affect the application status of applicants or continued employment of current CSU employees who apply for the position.

The person holding this position is considered a 'mandated reporter' under the California Child Abuse and Neglect Reporting Act and is required to comply with the requirements set forth in CSU Executive Order 1083 as a condition of employment.

California State University, San Bernardino is an Affirmative Action/Equal Opportunity Employer. We consider qualified applicants for employment without regard to race, religion, color, national origin, ancestry, age, sex, gender, gender identity, gender expression, sexual orientation, genetic information, medical condition, disability, marital status, or protected veteran status. This position adheres to CSU policies against Sex Discrimination, Sexual Harassment, and Sexual Violence, including Domestic Violence, Dating Violence, and Stalking. This requires completion of Sexual Violence Prevention Training within 6 months of assuming employment and on a two-year basis thereafter. (Executive Order 1096)

This position may be "Designated" under California State University's Conflict of Interest Code. This would require the filing of a Statement of Economic Interest on an annual basis and the completion of training within 6 months of assuming office and every 2 years thereafter. Visit the Human Resources Conflict of Interest webpage link for additional information:
https://www.csusb.edu/human-resources/current-employees/employee-relations/conflict-interest

Advertised: May 14 2025 Pacific Daylight Time
Applications close:

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About California State University

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California State University, Fresno is one of 23 campuses in the California State University System. The University's mission is to boldly educate and empower students for success through our values of Discovery, Diversity and Distinction. The current student population is more than 25,000, including a large percentage of students with diverse and culturally rich backgrounds. The University serves the San Joaquin Valley while maintaining deep involvement with the state, nation, and across the globe.

Industry

Colleges, universities, and professional schools

Company size

1,001 - 5,000 Employees

Headquarters location

Long Beach, CA, US