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Office Administrative Assistant Jobs in Riverside, CA

Swinerton

Office Assistant

Santa Ana, CA · On-site

$21.88 - $25/hr

Provide office administrative support to project management team or department (may be one or more ... Ability to perform all essential duties of Junior Administrative Assistant * Answer phones - screen ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant /Bulletin JNH Lifestyles is currently seeking an experienced ... Coordinate maintenance of office equipment. * Support marketing efforts as required by the ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant Job Description/Bulletin JNH Lifestyles is currently seeking an ... Coordinate maintenance of office equipment. * Support marketing efforts as required by the ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant /Bulletin JNH Lifestyles is currently seeking an experienced ... Maintain office supplyinventory. * Coordinate maintenance of officeequipment. * Support marketing ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$19.25 - $26/hr

Salary: 22.00- 24.00 hourly Administrative Assistant Job Description/Bulletin JNH Lifestyles is ... Maintain office supplyinventory. * Coordinate maintenance of officeequipment. * Support marketing ...

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All JobsOffice Administrative JobsOffice Administrative Assistant JobsOffice Administrative Assistant Jobs in Riverside, CA

Office Administrative Assistant information

See Riverside, CA salary details

$12

$19

$27

How much do office administrative assistant jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for office administrative assistant in Riverside, CA is $19.80, according to ZipRecruiter salary data. Most workers in this role earn between $16.78 and $22.07 per hour, depending on experience, location, and employer.

What is an office administrative assistant?

Office Administrative Assistants are professionals who provide support to ensure the smooth operation of an office. Their responsibilities typically include managing schedules, handling correspondence, organizing files, and assisting with various administrative tasks. They may also greet visitors, answer phones, and coordinate meetings or travel arrangements. These assistants play a key role in supporting staff and helping the office function efficiently.

What are the duties of an office administrative assistant?

An office administrative assistant handles tasks such as managing correspondence, scheduling appointments, organizing files, and supporting office operations. 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 office administrative assistant, and why are they important?

To thrive as an Office Administrative Assistant, strong organizational skills, attention to detail, and basic office software proficiency are essential, often supported by a high school diploma or equivalent. Familiarity with tools like Microsoft Office Suite, office management systems, and sometimes scheduling or bookkeeping software is typically required. Excellent communication, multitasking, and problem-solving abilities distinguish top performers in this role. These skills ensure smooth office operations, effective support for teams, and a professional, efficient work environment.

What is the difference between Office Administrative Assistant vs Receptionist?

AspectOffice Administrative AssistantReceptionist
Primary RoleSupports office operations, manages files, schedules, and correspondenceGreets visitors, answers phones, and handles front desk duties
Required SkillsOrganizational skills, communication, basic office softwareCustomer service, communication, multitasking
Work EnvironmentOffice setting, administrative tasksFront desk, reception area
Common CertificationsAdministrative assistant certification, Microsoft Office skillsCustomer service training, basic computer skills

While both roles support office functions, an Office Administrative Assistant handles a broader range of administrative tasks behind the scenes, whereas a Receptionist primarily manages front desk duties and visitor interactions. Both positions require strong communication skills and familiarity with office software, but the Administrative Assistant often has more responsibilities related to organization and support functions.

What are some common challenges office administrative assistants face, and how can they effectively manage them?

Office Administrative Assistants often juggle multiple tasks simultaneously, such as managing schedules, handling correspondence, and coordinating meetings. A common challenge is prioritizing tasks under tight deadlines, which can be managed by developing strong organizational and time-management skills. Additionally, they frequently serve as a point of contact for various departments, requiring clear communication and adaptability. Building proficiency with office software and maintaining a proactive approach to problem-solving can help Office Administrative Assistants excel in their role.
More about Office Administrative Assistant jobs
What are popular job titles related to Office Administrative Assistant jobs in Riverside, CA? For Office Administrative Assistant jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Office Administrative Assistant jobs in Riverside, CA look for? The top searched job categories for Office Administrative Assistant jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Office Administrative Assistant jobs? Cities near Riverside, CA with the most Office Administrative Assistant job openings:
Office Administrative Assistant jobs near you
Infographic showing various Office Administrative Assistant 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 $41,175 per year, or $19.8 per hour.

Office Administrative Assistant

Mission Landscape Companies, Inc

Santa Ana, CA • On-site

$17.50 - $23/hr

Full-time

Re-posted 3 days ago

Job description

Job Title: OFFICE ADMINISTRATIVE ASSISTANT

EXEMPT: NO

LOCATION: SANTA ANA

DIVISION: HOURS: 8:00am – 5:00pm

REPORTS TO: HR Manager

DAYS: Monday - Friday

Summary: This position is responsible for the professional and efficient management of telephone calls and messages, as well as a variety of administrative duties that support HR management and office staff. Provide information regarding the company to clients and public.

Essential duties and responsibilities include the following:

  • Provide advanced assistance to departments by performing various administrative support functions, including but not limited to, analytical and specialized administrative duties to ensure efficient office operations.
  • Operate telephone switchboard to answer, screen and forward calls, providing information, taking messages and service calls. Keeping voicemail directories updated and properly recorded.
  • Greet persons entering the establishment, determine the nature of the purpose of the visit, and direct them to the specific destination.
  • Network through industry contacts, community centers, EDD, colleges, trade groups, social media, and employees.
  • Review applicants to evaluate if they meet the position requirements and participate in recruiting events.
  • Research, compile, summarize, and analyze information to formulate correspondence and respond to various inquiries from internal and external customers. Utilize company personnel at all organizational levels to gather information to prepare reports.
  • Screen mail and callers, respond to and route inquiries to appropriate personnel as necessary; determine the importance and priority of various issues and determine what major issues should be brought to the attention of the department head and/or department members.
  • Tracks office supply inventory and approves supply orders.
  • Serves as the go-to for office inquiries and conflicts.
  • Handle confidential, sensitive, and/or critical information, files, records, and reports.
  • Actively promote and ensure clear communication within the department and facilitate inter- departmental communication.
  • Provide timely and efficient administrative support and special projects to all departments, including the review, research, summarization, or analysis of information.
  • May be required to perform other related duties in HR as required and/or assigned.

Minimum Requirements: 

  • Excellent written and oral communication skills
  • Ability to interface effectively within all levels of the organization
  • Thorough knowledge of corporate operations and product line
  • Demonstrated judgment, tact and diplomacy in dealing with internal and external customers
  • Initiative and organization skills
  • Self- motivated, enthusiastic, with a positive attitude
  • Ability to perform as a team player
  • Experience working with senior level management
  • Demonstrated exceptional computer skills and software application proficiency
  • Demonstrated ability to read difficult instructions and maintain written records.
  • Ability to multi-task
  • Bilingual (English & Spanish) a plus.

Minimum Education Requirements / Certification

  •  Minimum of 4 years or related experience in administrative preferred, or a combination of experience and education

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