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Office Assistant 3 Jobs in Riverside, CA (NOW HIRING)

Office Assistant

Tustin, CA · On-site

$17.50 - $23/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Tustin, CA · On-site

$17.50 - $23/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Tustin, CA

$17.50 - $23/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Office Assistant provides administrative, workplace, and facilities support to ensure the ... Associate degree or equivalent work experience preferred. * 1-3 years of experience in office ...

Office Assistant

Beaumont, CA · On-site

$17 - $22.50/hr

Minimum 3 Years Office Experience Answer multi line phones, Keep track of multiple emails Invoice customers in Quickbooks Email documents Accounts payable Accounts relievable Word, excel, and other ...

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Office Assistant 3 information

See Riverside, CA salary details

$10

$19

$26

How much do office assistant 3 jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for office assistant 3 in Riverside, CA is $19.75, 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 Assistant 3?

Office Assistant 3s are administrative professionals who perform a variety of clerical and support tasks within an organization. Their duties often include managing correspondence, handling phone calls, maintaining records, scheduling appointments, and providing general support to staff or management. As a more advanced administrative role, Office Assistant 3s may also oversee junior administrative staff and handle more complex tasks than entry-level office assistants.

What are the key skills and qualifications needed to thrive as an Office Assistant 3, and why are they important?

To excel as an Office Assistant 3, you typically need strong organizational skills, attention to detail, and proficiency in office procedures, often supported by a high school diploma or equivalent experience. Familiarity with office software such as Microsoft Office Suite, document management systems, and multi-line phone systems is commonly required. Exceptional communication, time management, and problem-solving abilities help individuals stand out in this role. These competencies are crucial for efficiently managing administrative tasks, supporting team productivity, and ensuring smooth office operations.

What are some common challenges an Office Assistant 3 may face, and how can they be overcome?

Office Assistant 3s often manage a high volume of administrative tasks, including coordinating schedules, managing records, and supporting multiple departments. Balancing competing priorities and handling frequent interruptions can be challenging. To overcome these, it's helpful to develop strong organizational and time-management skills, communicate clearly with team members about workload and deadlines, and utilize task management tools to stay on track. Proactively seeking clarification on priorities and being adaptable to shifting needs can also contribute to success in this role.

What is the difference between Office Assistant 3 vs Office Assistant 2?

AspectOffice Assistant 3Office Assistant 2
Required CredentialsHigh school diploma, basic computer skillsHigh school diploma, basic computer skills
Work EnvironmentOffice settings, administrative supportOffice settings, administrative support
Employer & Industry UsageCommon in government, corporate, and educational institutionsSimilar, often entry-level roles in various industries
Job ResponsibilitiesHandling correspondence, data entry, schedulingAssisting with clerical tasks, data entry, customer service

The main difference between Office Assistant 3 and Office Assistant 2 lies in experience and complexity of tasks. Office Assistant 3 roles typically require more experience and involve handling more complex administrative duties, whereas Office Assistant 2 positions are more entry-level with basic clerical responsibilities. Both roles are essential in supporting office operations across various industries.

What are the duties of an Office Assistant 3?

An Office Assistant 3 is responsible for performing administrative tasks such as managing correspondence, scheduling appointments, maintaining files, and supporting office operations. They often use office software like Microsoft Office and may handle customer inquiries or data entry to ensure smooth workflow.

What are popular job titles related to Office Assistant 3 jobs in Riverside, CA?

For Office Assistant 3 jobs in Riverside, CA, the most frequently searched job titles are:

What cities near Riverside, CA are hiring for Office Assistant 3 jobs?

Cities near Riverside, CA with the most Office Assistant 3 job openings:

Infographic showing various Office Assistant 3 job openings in Riverside, CA as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 12% Part Time, and 2% Contract. Highlights an 90% Physical, 4% Hybrid, and 6% Remote job distribution, with an average salary of $41,089 per year, or $19.8 per hour.

Office Assistant II/III Countywide Pool

County of Riverside

Riverside, CA • On-site

$18.69 - $28.59/hr

Full-time

Re-posted 19 days ago


Job description

For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section. ABOUT THE POSITION The County of Riverside seeks to fill Office Assistants II and Office Assistant III positions throughout the County of Riverside for various departments. This county-wide recruitment will establish a Office Assistant II and III Candidate Pool of qualified applicants to fill current and future vacancies throughout the County for regular (permanent) openings.

The Office Assistant series is used in all County departments to provide clerical services. Under general supervision, performs the most complex assignments or acts in a lead capacity by providing technical supervision and training to staff; and performs other related duties as required. The Office Assistant III class is the advanced journey level classification in the Office Assistant series and reports to a supervisory level position.

This class is used in County departments to provide clerical services. Incumbents typically type, file, sort, and process materials; process and maintain records; compose and edit reports and correspondence; gather information; provide information to the public concerning departmental or County operations; receive and record payments; operate a variety of equipment, including, but not limited to, word processors, micro-computers, mini-computers, computer terminals, duplicating machines, and calculators; and prepare and complete a variety of forms and documents. Some positions may require a law enforcement background investigation which requires completion of an extensive questionnaire, meeting with a background investigator, and submitting several references.

Incumbents in this class perform the most complex assignments where work is of a highly specialized nature requiring significant expertise and performed with a great degree of independence or act as lead personnel for a work unit performing a variety of clerical work. The Office Assistant III class is distinguished from that of Supervising Office Assistant I in that the incumbents of the latter class have full supervisory responsibility for a clerical unit. Salary Ranges: Office Assistant II: $18.6893- $25.7357 Office Assistant III: $19.2076- $28.5889 Meet the County Departments: https://rivco.org/services/agencies-and-departments To learn more about the benefits of working for the County: https://issuu.com/rivcohr/docs/hr_flipbook_1-24-23_r3 EXAMPLES OF ESSENTIAL DUTIES OFFICE ASSISTANT II Assist the public by referring them to sources of information, giving out standard forms, explaining how to complete them, and answering requests for factual information by consulting various available sources

Insert and extract materials from subject matter files, classify material by nature of subject matter, and prepare new file folders as needed. Maintain informational or operational records; answer telephone and assist callers by providing information, taking messages, or routing calls to others. Type a variety of information such as statistical and budgetary tabulations, reports, manuscripts, contracts, pamphlets, letters, charts, and other documents from rough, plain, corrected copy, or dictated material utilizing information processing equipment.

Utilize formerly recorded material to create new documents or files, incorporating all revisions; independently set up formats for reports, files, letters, and dual and multi-column documents, taking into consideration the special needs of originator. Gather information from a variety of source documents; establish and revise glossaries utilizing stored keystrokes; create multi-page documents with headers and footers; set up merged documents. Compile, store, and maintain a system of information retrieval on tapes or disks; edit copy for errors; compose routine letters on factual subjects; make out bills, abstracts, orders, notes, permits, licenses, etc.

Receive fees when the amount is readily obtainable by simple computations or from fixed schedules; prepare receipts and accounts for money. Compare a variety of documents such as purchase orders, receival slips, and others to make extensions, batch totals, and to check for mathematical accuracy and general completeness. Post data, types, encode, and transmit alphanumeric and numeric data from source documents; key in commands to locate files; enter, store, retrieve, and delete information in order to update records and/or data bases.

May verify the accuracy of information entered, and correct errors in transmission. Make computer inquiries to retrieve information and to print reports; may align carriage tapes and forms to print records, mailing lists, roster indexes, and similar listings; maintain informational and operational records. Serve as a receptionist and schedule appointments; as a secondary responsibility, may operate a telephone switchboard.

OFFICE ASSISTANT III Perform complex clerical work requiring the application of laws, policies, procedures, and specialized terminology; prepare and process materials which require the review of complex source material and a thorough familiarity with policies, procedures, terminology and various applicable laws in order to obtain the necessary data. Give information to the public or interdepartmental representatives in situations where judgment and interpretation of departmental policies and regulations are required. Review a variety of reports, forms, and records for accuracy, completeness, and compliance with applicable ordinances; answer questions involving searching for and summarizing technical data, laws, policies, or procedures.

Compile a variety of narrative and statistical reports, which requires locating sources of information, devising forms to secure the data, and determining proper format for finished reports. Design or revise office forms; set up and maintain complex filing systems. Initiate replies to routine correspondence; compose correspondence and other materials requiring the application of subject matter knowledge and discrimination in the selection of data.

May provide technical guidance and/or training to clerical staff; may assign and review the work of clerical staff; prepare and revise written procedures. Type a wide variety of complex material such as difficult statistical and budgetary tabulations, highly confidential reports and letters, priority manuscripts or contracts, and other specialized documents from rough, plain, corrected copy, or dictated material utilizing information processing equipment. Develop automated files and maintain the storage of tapes and disks; develop and revise standardized formats for documents for the department; operate peripheral equipment.

Isolate and resolve equipment and procedural problems; perform backup of systems and maintain archived record library and reference logs; serve as technical expert on the operation of information processing equipment. MINIMUM QUALIFICATIONS OFFICE ASSISTANT II Experience: Any combination of education and experience that would provide the knowledge and abilities listed below. Knowledge of: Correct grammar, spelling, and punctuation; office procedures, including preparing correspondence and reports; filing, indexing, and cross-referencing methods; principles, methods, and equipment used in information processing.

Ability to: Perform clerical work and quickly learn the specific operation of the office; make decisions in standard procedural matters without immediate supervision; prepare and maintain accurate records and reports; make arithmetic calculations rapidly and accurately; understand and follow written and oral instructions; establish and maintain effective working relationships; operate a variety of standard office equipment. OFFICE ASSISTANT III OPTION I Experience: Two years of clerical experience. OPTION II Education: Completion of 18 semester or 27 quarter units from an accredited college or university in secretarial sciences, office practices, business education, or a closely related field to the assignment.

Experience: One year of clerical experience. OPTION III Education Completion of 360 hours of training from a recognized occupational training program in secretarial sciences, business education, or a closely related field. Experience: One year of clerical experience.

ALL OPTIONS: Knowledge of: The principles, methods, and equipment used in information processing; correct English usage, grammar, spelling, vocabulary, punctuation, format, and style; office procedures, including preparing correspondence and reports, filing, and operating standard office equipment. Ability to: Understand the capabilities and applications of information processing equipment considering the requirements of the unit; use initiative and judgment in setting up formats for a variety of documents; provide guidance to and train staff; proof and correct copy into acceptable final form; store and retrieve a variety of documents and subdocuments; meet departmental production and accuracy standards; establish and maintain effective working relationships. Applicants who are current County of Riverside employees and/or current employees of the Department/Agency may be considered before other applicants depending on the volume of applications received.

SUPPLEMENTAL INFORMATION What's Next. The preliminary closing date for this posting is Wednesday, June 3rd, 2026, at 11:59PM however postings may close at any time. Applications received prior to the closing date will be considered based on the information submitted.

Changes or alterations cannot be accepted. No late applications will be permitted. Applications must be submitted through NeoGov at: https://www.governmentjobs.com/careers/riverside BASED ON THE NUMBER OF APPLICATIONS RECEIVED, THIS POSTING MAY CLOSE WITHOUT NOTICE

For specific questions regarding this position, please contact Ashley Thomas at Ashlthomas@rivco.org. For general inquires, please allow up to 2 business days to receive a response. ________________________________________________________________________________________ APPLICATION INFORMATION Veteran's Preference The County has a Veterans Preference Policy applicable to new hires

To qualify, attach the required documents to your job application. Documents include a copy of your (or your spouse's) Member-4 Form DD-214 indicating dates of service. For spousal preference, and as applicable, the following documents: a copy of your marriage certificate, spouse's death certificate, a letter of spouse's disability and/or letter of service-related death (if available) from the U.S

Veteran's Administration. For privacy reasons, it is recommended that you remove your social security information from the document(s). A Human Resources Representative will review the materials and determine if you qualify for veterans' preference.

For complete details and documentation requirements, please review the Veterans Preference Policy, C-3 here: https://rivcocob.org/board-policies Reasonable Accommodations The County of Riverside is committed to providing reasonable accommodation to applicants as required by the Americans with Disabilities Act (ADA) and Fair Employment and Housing Act (FEHA). Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process should contact the recruiter for the position noted above. For additional information and/or to obtain the appropriate form for requesting a reasonable accommodation, please visit the Disability Access Office web page located at: https://rc-hr.com/disability Proof of Education If using education to qualify or when requested by the recruiter, upload a copy of any license(s), official/unofficial transcript(s), degrees, and/or related employment documents to your NeoGov account at the time of application and before the closing date

Official or unofficial transcripts will be accepted. If your education was completed outside of the United States, you will need to provide a copy of your Foreign Education Equivalency evaluation from a member of the National Association of Credential Evaluation Services (NACES) or Association of International Credential Evaluators, Inc. (AICE).

Work Authorization Requirement Applicants must be legally authorized to work in the United States at the time of application. The County of Riverside does not participate in visa sponsorship programs, including H1-B visas, and will not provide sponsorship for any employment-based visas. Equal Opportunity Employer The County of Riverside is an Equal Opportunity Employer.

It is the policy of the County of Riverside to provide equal employment opportunities for all qualified persons. All applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition (cancer and genetic characteristics), genetic information, or denial of medical and family care leave, or any other non-job-related factors. Pre-Employment All employment offers are contingent upon successful completion of pre-employment requirements including a criminal background investigation, which involves fingerprinting.

(A felony or misdemeanor conviction may disqualify the applicant from County employment). A pre-employment physical examination and background check may be required. Probationary Period As an Approved Local Merit System, all County of Riverside employees, except those serving "At Will," are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, County Resolution, or Salary Ordinance.

Temporary and Per Diem employees serve at the pleasure of the agency/department head. General Information Current County of Riverside and/or current employees of the hiring department may receive priority consideration. Qualified candidates may be considered for future County vacancies.

Job postings may close without notice based on application volume. Submit your complete application by the recruitment close date; no late applications are accepted. Ensure all relevant experience/education is reflected on your application/resume, as a failure to demonstrate position requirements may disqualify applicants.

A description of job duties directly copied from the job classification or job posting will not be considered. Please read and follow any special application instructions on this posting. Click the 'Apply' link located on this page to submit your application.

For additional instructions on the application process, examinations, Veteran's preference, pre-employment accommodation or other employment questions, please refer to our web site, www.rc-hr.com. If you are expe...