Information Systems Specialist III (#RI1323)
$33.66-$40.92 Hourly / $5,835.18-$7,092.70 Monthly / $70,022.25-$85,112.48 Yearly


Under direction, provides advanced specialized technical assistance on network and computer related problems to system users within an County department; provides difficult technical assistance in support of department networked systems, including technical network administration duties; monitors network operating systems; sets up, configures and provides difficult technical support for desktop computer equipment including hardware, software and peripheral equipment; and performs other related work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.


This is the advanced journey-level class in the Information Systems Specialist series. This class is distinguished from the Information Systems Specialist II by its requirement for specialized functional or technical expertise beyond the journey level. Incumbents at this level are primarily responsible for providing advanced technical support involving the most complex networked systems and applications, typically across multiple departments, and/or may serve as lead workers over a unit of technology support staff.


  • Provides advanced technical assistance to system users on complex network and computer systems hardware, software and peripheral equipment problems; may serve as a lead worker over other information technology support staff. 
  • Monitors computer systems, networks and applications for response time, problem prevention, performance and resource utilization; makes recommendations on system changes to resolve operational problems. 
  • Performs a variety of difficult technical duties related to the installation and configuration of local area network systems and equipment; troubleshoots and tests network applications; troubleshoots and maintains networked components including routers, hubs, bridges, and switches; makes recommendations on technical changes to enhance network and system performance; documents changes, additions, deletions and revisions to network components, wiring and facilities; prepares status reports as required. 
  • Performs technical level network administration duties; monitors and adds applications, users and devices; modifies user profiles; re-sets passwords; performs network file maintenance. 
  • Troubleshoots and diagnoses communication equipment problems to ensure functional operation; performs minor repairs; coordinates and oversees the installation of communications wiring and cabling; configures communications hardware and software.
  • Identifies communications requirements for new equipment installation; participates in the planning, implementation and installation of new communications hardware, software, and/or peripherals; coordinates the installation and/or replacement of communications cabling and wiring. 
  • Provides assistance to higher-level information systems staff in the evaluation, selection, acquisition and implementation of network and computer hardware and software solutions. 
  • Responds to the more difficult requests for assistance on desktop and computer related problems including hardware, software, peripheral printers and related equipment; determines severity of problem and resolves or refers to higher-level information systems staff. 
  • Performs minor repair on computer systems and peripheral equipment including printers, modems, scanners and related devices; coordinates major equipment repairs; locates vendors and ships parts as needed; arranges for vendor to perform on-site repairs. 
  • Conducts one-on-one training sessions with desktop users; provides information on system and application functions; communicates user access rights.


Experience: One year as an Information Systems Specialist II (or equivalent class) in San Joaquin County. 

Education: Completion of at least 60 semester (or 90 quarter) units from an accredited college or university, including 24 units in computer science. 

Experience: Three years of experience that included substantial responsibility for operating, installing, configuring, testing, troubleshooting and repairing desktop computer hardware, software, peripheral equipment and/or network systems. 

Substitution # 1: Possession of an approved information systems technology certificate, or completion of an approved information systems training course may substitute for all or part of the above required education. A list of approved certificates and/or courses shall be maintained within the Human Resources Department. 

Substitution # 2: Additional qualifying experience within the last five years may substitute for the above-required education on a year-for-year basis. 

Special Requirement: Applicants for positions in this class may be required to demonstrate proficiency in operating, installing, configuring, testing, troubleshooting and/or repairing desktop computer hardware, software, peripheral equipment and/or network systems as part of the testing or selection process.


Operations, services and activities of a comprehensive information systems program; principles and practices of technical network administration; operational characteristics of local and wide area network systems; operational characteristics of a variety of communication systems and devices; principles and practices of troubleshooting technical network and computer system hardware and software problems; personal computer hardware and software components; network cabling standards; principles and practices of customer service; operational characteristics of various computer software packages; methods and techniques of developing technical documentation and training materials; principles and practices of record keeping; modern office procedures, methods and equipment.


Perform highly technical duties in the maintenance and administration of network and computer operating systems; perform highly complex communications system support tasks; provide technical support in planning and evaluating new systems and equipment; identify, test and repair network cabling problems; respond to and identify user network and computer related problems; install and configure desktop computer systems and peripheral equipment; troubleshoot a variety of complex desktop systems hardware and software problems; communicate technical information to a wide variety of users; communicate clearly and concisely, both orally and in writing; establish and maintain effective working relationships with those contacted in the course of work.


Mobility – Frequent use of data entry devices; frequent sitting, standing or walking for long periods; occasional pushing/pulling, bending, squatting and crawling; driving. Lifting – frequently 5-30 pounds; occasionally 70 pounds or less. Vision – constant use of good overall vision; frequent reading/close-up work; occasional color, depth and peripheral vision. Dexterity – frequent repetitive motion; frequent writing; frequent grasping, holding, and reaching. Hearing/Talking – frequent talking/hearing in person and on the telephone. Emotional/Psychological – frequent decision making and concentration; frequent public contact; occasional working alone, working nights and traveling. Environmental – frequent exposure to noise.

San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RI1323; EST: 10/20/2014;