VEERA SIVA REDDY MOOLA

Linux System Administrator

justdial Limited

BANGALORE

12.2022 - Current

Linux Administration: Proficiently handling daily Linux administration tasks, including user account management, file system sharing facilitation, permission control, system patching orchestration, and package management utilizing apt, rpm, and yum tools.
Data Synchronization: Expertly conducting data synchronization operations employing Rsync, LFTP, and SCP to ensure data security by backing up data from production servers to staging servers, migrating data between servers, and restoring data from backups.
Database Administration: Spearheading database administration responsibilities, such as query execution, database table restoration using the MySQL dump utility, provisioning MySQL privileges for DB Users & Developers, and resolving MySQL replication issues.
MongoDB Management: Proficiently managing MongoDB privileges, including
user management (creation, updates, deletions), executing data dump and
restore operations on MongoDB servers, and managing primary & secondary
servers within clusters.
Shell Scripting: Skillfully optimizing shell scripts to automate various tasks, including backup optimization, log gathering, CPU and disk utilization monitoring, and operational streamlining.
DevOps Practices: Competently handling installation, configuration, packaging, and deployment of applications within Docker containers and Docker Compose Environments; utilizing Ansible for system configuration orchestration and provisioning multiple servers based on project requirements using Ansible playbooks.
Cloud Computing: Successfully establishing, upgrading, maintaining, migrating, monitoring, and enhancing system performance within cloud environments.
Monitoring and Alerting: Implementing a robust infrastructure utilizing Nagios, Grafana, and Prometheus for real-time server monitoring and proactive incident alerts, resulting in a 40% reduction in downtime and ensuring uninterrupted service availability.
Performance Monitoring: Diligently monitoring system resource utilization, including CPU, memory, disk, and swap space, to mitigate performance bottlenecks.
Logging and Visualization: Assisting in the management, analysis, and
visualization of logs using ELK (Elasticsearch, Logstash, and Kibana) and
Grafana tools.
Load Balancing: Proficiently managing the migration and troubleshooting of servers with F5 load balancer configurations.
Cloud Storage Management: Strategically formulating and managing critical data on Amazon EC2 instances, while efficiently uploading and retrieving data from S3 Glacier storage.