An example method includes receiving one or more cross-platform system maintenance rules that are generated by and sent from a central server computing system, determining a type of software operating system currently being executed by a client computing system, determining, based on the one or more cross-platform system maintenance rules and further based on the type of software operating system, one or more platform-specific system maintenance rules that specify one or more platform-specific system maintenance operations and scheduling information, and determining, based on scheduling information identified by the one or more platform-specific system maintenance rules, a schedule indicating when to perform the one or more platform-specific system maintenance operations. The example method includes initiating performance of the one or more platform-specific system maintenance operations in accordance with the schedule, collecting one or more results, and generating and sending at least one summary report.