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Hillsborough County Government

Office Assistant III (#OA3EXPI) EXPI
$16.09-$26.91 Hourly / $2,788.93-$4,664.40 Monthly / $33,467.20-$55,972.80 Yearly


Performs a variety of clerical tasks and/or supervisory clerical duties in support of a major County function or operation, including the processing of documents, forms and applications; maintenance of detailed records and compilation and computation of statistical data.


Graduation from high school or possession of a GED Certificate; and
Three years of clerical experience.

An equivalent combination of education, training and experience that would reasonably be expected to provide the job-specific competencies noted below.


A passing score a on multiple-choice general clerical exam.
A test preparation guide can be downloaded by clicking here


  • Considerable knowledge of general office policies, procedures and practices.
  • Considerable knowledge of English grammar, punctuation and spelling.
  • Ability to proof own work and the work of other clerical personnel.
  • Ability to perform accurate computations and verification of data.
  • Ability to plan, organize and supervise the work of others.
  • Ability to operate data processing, word processing and other office equipment.
  • Ability to work effectively with others.
  • Ability to type.
  • Ability to use a computer and related software.


Note: The following duties are illustrative and not exhaustive. The omission of specific statements of duties does not exclude them from the position if the work is similar, related, or a logical assignment to the position. Depending on assigned area of responsibility, incumbents in the position may perform one or more of the activities described below.

  • May supervise assigned clerical employees and provides training and assistance as necessary.
  • Maintains manual and automated file systems to include a large, complex system. Codes, classifies, posts and compiles information for use by others.
  • Verifies and registers documents; assigns file number and affixes seal as appropriate.
  • Reviews forms, documents and other materials for accuracy and completeness.
  • Provides assistance to staff and public as required.
  • Responds to inquiries and searches files for requested information to include the more complex searches.
  • Performs computations and verifies figures. aintains logs and records of equipment, inventory, costs, services performed, documents received, and charges to be assessed; may also maintain employee attendance and leave records.
  • Operates office equipment such as adding machines, copiers, telephones, shredders, and postage meters.
  • Operates data processing equipment.
  • Types forms, vouchers, requisitions, invoices, notices, schedules, legal documents, and other materials; types from rough drafts or combines data from multiple sources.
  • Provides guidance to lower level clerical staff and reviews work of others for completeness and accuracy.
  • Performs other clerical duties such as photocopying; ordering and issuing supplies; and sending receiving, sorting, and distributing mail.
  • Performs other related duties as required.

This classification description is not intended to be, nor should it be construed as an all inclusive list of the duties associated with a particular position. Management may require incumbents to perform job duties other than those contained in this document at any time.


  • 30 net words per minute on a typing test.
  • A passing score on a data entry test at 100 gross keystrokes per minute with 90% accuracy.
  • Possession of a valid Driver's License.

CLASS: OA3EXPI; EST: 10/4/2015; REV: ;