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

Russian School of Mathematics

Office Administrator

Irvine, CA · On-site

$54K - $62K/yr

  • Medical

  • Dental

  • Retirement

RSM is looking to hire an Office Administrator in our Irvine, CA location. The school operates from ... The incumbent will perform a wide range of administrative and general office duties and assist in ...

The Russian School of Math

Office Administrator

Irvine, CA

$19.25 - $26.50/hr

  • Medical

  • Dental

  • Retirement

RSM is looking to hire an Office Administrator in our Irvine, CA location. The school operates from ... The incumbent will perform a wide range of administrative and general office duties and assist in ...

Russian School of Mathematics

Office Administrator

Irvine, CA · On-site

$19.25 - $26.50/hr

  • Medical

  • Dental

  • Retirement

RSM is looking to hire an Office Administrator in our Irvine, CA location. The school operates from ... The incumbent will perform a wide range of administrative and general office duties and assist in ...

TrustedTech

Office Administrator

Irvine, CA · On-site

$19.25 - $26.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

TrustedTech is seeking a polished, highly organized, and people-oriented Office Administrator to ... the appropriate teams. * Assist with internal HR communications, including distributing ...

Moalej Builders, Inc.

Construction Office Administrator

Irvine, CA · On-site

$22 - $29/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We are seeking a highly organized and proactive Office Administrator to support daily operations ... Project & Operations Support * Assist with document control, filing, and organization of project ...

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Showing results 21-40

All JobsOffice Admin JobsAssistant Office Admin JobsAssistant Office Admin Jobs in Riverside, CA

Assistant Office Admin information

See Riverside, CA salary details

$12

$21

$32

How much do assistant office admin jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for assistant office admin in Riverside, CA is $21.95, according to ZipRecruiter salary data. Most workers in this role earn between $18.08 and $24.33 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant office admin?

To thrive as an Assistant Office Admin, you need organizational skills, attention to detail, and proficiency in administrative tasks, often supported by a high school diploma or associate degree. Familiarity with office software such as Microsoft Office Suite, scheduling systems, and basic bookkeeping tools is typically required. Strong communication, multitasking, and problem-solving abilities help you effectively support the office environment and collaborate with colleagues. These skills ensure smooth daily operations, efficient workflow, and a productive workplace.

What are some typical challenges an assistant office admin might face when managing multiple tasks and priorities?

Assistant Office Admins often juggle a variety of responsibilities, such as scheduling meetings, managing correspondence, and maintaining office supplies. A common challenge is balancing urgent requests from different team members while keeping routine tasks on track. Effective time management, clear communication, and the ability to adapt quickly are essential to staying organized and ensuring nothing falls through the cracks. Many offices use digital tools and collaborative platforms to help streamline these processes, so familiarity with such systems can be highly beneficial.

What is an assistant office admin?

Assistant Office Admins, also known as Administrative Assistants or Office Assistants, are professionals who support the daily operations of an office. They perform a variety of tasks such as answering phones, scheduling appointments, managing files, handling correspondence, and assisting other staff members with administrative duties. Their role is essential in ensuring that the office runs smoothly and efficiently, often acting as the first point of contact for visitors and clients. Strong organizational, communication, and computer skills are important for success in this role.

What is the difference between Assistant Office Admin vs Office Coordinator?

AspectAssistant Office AdminOffice Coordinator
CredentialsHigh school diploma; some roles may require administrative certificationsHigh school diploma; often similar certifications
Work EnvironmentOffice settings, supporting administrative tasksOffice settings, managing daily operations and coordination
Employer UsageCommonly used in small to medium offices for administrative supportUsed across industries to oversee office functions and logistics
Search/Comparison IntentYesYes

While both roles support office functions, the Assistant Office Admin primarily provides administrative support, handling tasks like scheduling and correspondence. The Office Coordinator often manages broader office operations, including logistics and workflow coordination. The roles overlap but differ in scope and responsibilities, with the Office Coordinator typically taking on more operational duties.

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

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

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

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

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

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

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

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

Assistant Office Admin jobs near you
Infographic showing various Assistant Office Admin job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 1% Temporary, and 4% Contract. Highlights an 88% Physical, 5% Hybrid, and 7% Remote job distribution, with an average salary of $45,662 per year, or $22 per hour.

Administrative Assistant

Pro-Fab Construction, Inc.

Bloomington, CA • On-site

$18.25 - $24.50/hr

Full-time

Retirement

Re-posted 23 hours ago

Job description

Responsibilities

  • Answer and direct phone calls
  • Organize and schedule appointments
  • Write and distribute email, correspondence memos, letters, faxes and forms
  • Assist in the preparation of regularly scheduled work orders for truck drivers
  • Develop and maintain a filing system
  • Update and maintain office policies and procedures
  • Order office supplies and research new deals and suppliers
  • Maintain contact lists
  • Book travel arrangements
  • Provide general support to visitors
  • Act as the point of contact for internal and external clients
  • Liaise with executive and senior administrative assistants to handle requests and queries from senior managers

Requirements and skills

  • Proven experience as an Administrative Assistant or Office Admin Assistant
  • Knowledge of office management systems and procedures
  • Working knowledge of office equipment, like computers, printers and fax machines
  • Proficiency in MS Office (MS Excel and MS PowerPoint, in particular)
  • Excellent time management skills and the ability to prioritize work
  • Attention to detail and problem solving skills
  • Excellent written and verbal communication skills
  • Strong organizational skills with the ability to multi-task
  • High School degree; additional qualification as an Administrative assistant or Secretary will be a plus