
Posting number: 26-13866-04AT
Department: All Departments
Job classification: OFFICE ASSISTANT III
Posting type: Open & Promotional
Categories: Administration, Administrative Assistant, Clerical & Data Entry, Office and Administrative Support
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.
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
OFFICE ASSISTANT II
OFFICE ASSISTANT III
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.
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.

We are seeking passionate people who are committed to solving critical issues while realizing their purpose!
Riverside County is the fourth largest county in the State of California, stretching nearly 200 miles across and comprising over 7,200 square miles of fertile river valleys, low deserts, mountains, foothills and rolling plains. Riverside County shares borders with densely populated Los Angeles, Imperial, Orange, San Diego, and San Bernardino Counties...extending from within 14 miles of the Pacific Ocean to the Colorado River.