A computer operator's job duties include monitoring and maintaining computer systems, troubleshooting issues, and providing user support. Monitoring and maintenance Monitor systems to ensure they're running efficientlyPerform routine maintenance tasksRun system backupsCalibrate equipmentTest cybersecurity measuresUpdate cybersecurity measuresTroubleshooting Respond to user questions and provide guidance, Troubleshoot basic problems, Troubleshoot networking issues, Maintain incident logs, and Monitor error messages and make adjustments. User support Answer questions and requests from usersResolve technical problems or issuesProvide guidance on how to use computer systems