Fault Management (FM)• Resolved a MariaDB issue, reclaimed 80% of 1 TB storage, and improved database efficiency by 25%.• Routed 250,000+ SNMP trap messages via Kafka, boosting data routing efficiency by 40%.• Developed Python-based encryption and decryption mechanisms for SNMP traps, securing data transmissionat a minimum rate of 1,000 traps per second, scalable for higher volumes.• Configured Logrotate with copytruncate and compress functions to monitor traffic into physical storage andlog management, handling 7 files with a minimum size of 10M each.• Automated fault management processes with cron jobs and shell scripts to extract data from the database(past 3 minutes) and deliver it to physical storage and the front-end department continously.Performance Management (PM)• Led MariaDB optimization to utilize at least 50% of VM capabilities in a production environment, significantly improving database performance and resource allocation.• Managed data in InfluxDB (1M+ time-series points/day), MariaDB, and MySQL, ensuring efficient handling and retrieval with a data retention period of 30 days.• Visualized InfluxDB data in Grafana, analyzing over 500,000 data points and providing visibility over all data.• Built a monitoring system with OIDs and CLI, tracking CPU, memory, and services on 10 VMs, with Grafana.• Enabled rapid issue detection with 1-minute data capture and detailed visualizations paired with email alerts.