Rethina Kumar Email & Phone Number

Bengaluru, Karnataka, India

Led the deployment and configuration of Windows servers, ensuring stability and security.Managed DNS, DHCP, DFS, and provided advanced troubleshooting for server-related issues.Configured and maintained Windows Server Failover Clustering environments, minimizing downtime during failover events.Designed, implemented, and managed VMware virtualization solutions, optimizing performance and reliability.Installed and configured Hyper-V servers, addressing performance bottlenecks and resource utilization concerns.Collaborated with cross-functional teams to support and troubleshoot infrastructure-related problems.Led infrastructure-related projects, including migrations, upgrades, and system integrations.Managed Lenovo ThinkSystem SR630 V2 and Dell PowerEdge R740 Rack servers, performing hardware upgrades and troubleshooting enclosure-related issues.Ensured compliance with security policies, conducted regular audits, and implemented necessary security measures.Developed and maintained technical documentation and best practices for windows and VMware environments.

Bengaluru, Karnataka, India

Spearheaded system administration tasks, serving as the Subject Matter Expert (SME) for Windows server, Active directory and local network administration.Acted as the Point of Contact (POC) for local network, overseeing client and server administration, ensuring seamless operations and resolving technical issues promptly.Led the installation of a local server in Bangalore, providing first-level support and ensuring successful deployment within stipulated timelines.Utilized Microsoft Cloud Services, particularly Office 365, optimizing cloud-based solutions for enhanced productivity and data security.Applied expertise in virtualization technologies like Hyper-V, ensuring efficient server operations and resource utilization.Proficiently utilized Microsoft Endpoint Configuration Manager to provision new hardware and deploy software updates silently, streamlining operational efficiency.Managed and maintained Cisco and Meraki LAN/WAN/Wi-Fi networking equipment, ensuring robust and secure network infrastructure.Operated within an ITIL environment, adhering to best practices and standards to deliver high-quality IT services.

Bengaluru, Karnataka, India

Bengaluru, Karnataka, India