Information Systems Analyst III-Confidential (#RI1503)
$48.56-$59.02 Hourly / $8,416.90-$10,230.79 Monthly / $101,002.81-$122,769.54 Yearly


Under direction, performs specialized and advanced professional computer and related systems support work within the Information Systems Division; troubleshoots, analyzes and resolves difficult systems and applications hardware and software problems; 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 Analyst series. Incumbents perform work of a professional nature, utilizing skills that require an advanced understanding of complex analytical procedures and processes while working with a significant amount of independent authority and judgment. As assigned, some positions may exercise technical supervision over lower level staff; however, these supervisory duties are ancillary in nature and are not considered to be the primary purpose of the class. The program assignment will determine the emphasis of an incumbent’s duties as described below.

This class is distinguished from the Information Systems Analyst II level by it’s requirement for specialized, functional or technical expertise beyond the journey level. Incumbents perform the more difficult and responsible types of duties assigned to classes within the series including systems analysis, development and direct client/maintenance support to large and complex systems and applications.

This class is distinguished from the Information Systems Analyst IV in that the latter provides highly advanced systems analysis, design and development support to one or more departments with highly complex systems and programs. Incumbents at the Information Systems Analyst IV level may also serve in the capacity of database administrator or as a project lead on a component of assigned information systems projects.


  • Performs professional level specialized and complex duties to support information technology systems in assigned area; areas of responsibility include the analysis, evaluation, design, programming, development, testing, implementation, documentation and maintenance of large and complex systems, networks, programs and applications across multiple platforms and technologies.
  • Designs and develops components of current or new systems; serves on assigned projects for large and complex systems; in conjunction with project team members, analyzes user requirements and recommends technology solution; reviews and evaluates current and third party systems and applications; determines method of integrating new programming code into existing programs to meet user needs; develops data flow diagrams and other systems documentation; creates program specifications; designs data structures, screens, file structures, reports, forms, and menus; develops optimum system configurations; locates and downloads existing system data; develops and implements testing plan; performs quality assurance duties; determines whether new program meets the client’s business and technology requirements; recommends changes as needed.
  • Serves as resource and provides highly specialized support to maintaining existing systems; assesses, reviews and conducts research on system operational problems and functionality; provides technical solutions to client on alternative systems or applications.
  • Performs a variety of complex analytical duties in planning, developing, installing, implementing, integrating, testing and evaluating the County’s local and wide area networks; installs, configures and manages servers; coordinates the installation and maintenance of computers, circuits, data communications equipment, printers and other peripheral equipment.
  • Investigates, analyzes and resolves network-related problems; resolves compatibility problems; troubleshoots network failures, router problems and telecommunications problems; recommends and implements changes and improvements.
  • Monitors network security and performance; identifies unauthorized access and potential security risks; measures volume and performance of network traffic; identifies utilization and performance issues; recommends improvements to security and network performance.
  • Develops, implements and maintains the County’s Internet and Intranet sites; recommends design and layouts; writes code; creates database connections; develops written technical procedures; implements interactive website components; provides Internet training for County staff.
  • Performs technical writing duties in the development and production of system documentation, instructional and procedural manuals.
  • Identifies training issues and coordinates training sessions for client users on assigned systems or applications; develops training schedule; designs training manuals; conducts training sessions.
  • Attends and participates in professional group meetings; stays abreast of new trends and innovations in the field of information technology. 
  • May exercise technical supervision over lower level staff; assists in selecting, training, motivating and evaluating assigned staff; provides or coordinates staff training; works with employees to correct deficiencies.


Experience: One year as an Information Systems Analyst II in San Joaquin County. 

Education: Graduation from an accredited four-year college or university with a major in computer science, information systems, mathematics, business administration or a related field. 

Experience: Two years of increasingly responsible professional, analytical computer and related systems work in an information systems environment. 

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 may substitute for the above required education on a year-for-year basis to a maximum of two years.


Operations, services and activities of a comprehensive information systems program across multiple operating platforms; advanced principles and practices of computer science and information systems; methods and techniques of highly complex system analysis, design and development; advanced methods and techniques of system hardware and software troubleshooting and installation; advanced principles and practices of structured programming; operational characteristics of systems hardware and software across multiple environments; methods and techniques of evaluating business operations to develop technology solutions; principles and procedures of quality assurance; methods and techniques of developing testing procedures; methods and techniques of designing, implementing and maintaining internet and intranet web sites; operations, services and activities of local and wide area network design, development, security and administration; local and wide area network protocols, routing techniques and installation methods; methods and techniques of installing and maintaining and administering network servers, hardware and software; pertinent Federal, State and local codes, laws and regulations.


Provide advanced level technical support for system analysis, implementation and maintenance; detect, isolate and resolve complex information system problems; recommend, design, implement and install systems and programs; independently perform complex systems and applications programming and analysis duties; design, configure, install and test local and wide area network servers, hardware, software, routers and associated components; analyze procedures and data to develop logical solutions to complex systems problems; troubleshoot and analyze complex local and wide area network operating system or hardware and software problems; learn to analyze and assess the technological needs of departments with large and highly complex systems; learn operations and characteristics of database management systems, tools and utilities; learn and apply concepts and principles of database management and administration; learn principles, practices, methods and techniques of serving as project lead on assigned information systems projects; 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 keyboards; 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, 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 and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RI1503; EST: 10/11/2000; REV: 10/13/2021;