Ranjan Kumar Behera

MongoDB Database Administrator with 2.4+ years of experience in managing high-availability database environments across Dev/QA/Prod. Expertise in performance tuning, backup & recovery, and cluster management. Improved query performance by up to 30% and ensured 99.9% uptime through optimized indexing and proactive monitoring at Dell Technologies.

Database Administrator - Dell Technologies

(2024-01 - 2026-01)

• Administered MongoDB environments (Dev/QA/Prod), maintaining 99.9% uptime and high availability through proactive monitoring and management.
• Identified and resolved critical query performance bottlenecks by designing and implementing optimized indexing strategies, improving response times by 25–30% across production workloads.
• Led the design and implementation of backup & recovery processes, reducing recovery time by 40% and ensuring business continuity during critical incidents.
• Engineered Replica Sets and Sharded Clusters, enhancing database scalability and failover capabilities for improved availability.
• Initiated and automated routine DBA operations using shell scripting, significantly reducing manual effort and improving operational efficiency.
• Strengthened database security posture by implementing authentication protocols and role-based access control (RBAC), reducing unauthorized access risks in production environments.
• Adapted quickly to critical production incidents, providing 24/7 support and resolving issues within SLA to ensure system stability.

Master of Computer Applications - MCA - MPC Autonomous College (2021-01 - 2023-01)

Bachelor of Science - Computer Science - UNIITECH Degree College (2017-01 - 2020-01)