Administers the City's Human Resources Information System (HRIS), serving as the primary system administrator by troubleshooting system issues, researching and resolving technical and functional problems, testing system enhancements, maintaining data integrity, providing user support and training, and identifying opportunities to improve business processes, system functionality, and operational efficiency. Ability to accurately process, audit, reconcile, and maintain payroll, personnel, and HRIS records; research, analyze, interpret, and apply applicable laws, regulations, policies, and procedures; prepare reports, perform mathematical calculations, resolve payroll and HRIS issues, and recommend process improvements while maintaining data integrity, confidentiality, and compliance.