Performs troubleshooting, upgrades, testing, and maintenance of Enterprise and other major systems and applications in assigned area; Works with customers to provide requirements and process analysis, develop system design and system specifications; provides customer service and support to diverse internal and external customers. GENERAL PURPOSE: Under general direction, maintains, administers, monitors, and supports a major system(s) and highly complex/specialized computer applications for the Agency; provides analysis, specification, design, installation, troubleshooting, upgrading, testing, documentation, operations, and service of enterprise and other system applications.