Vinay Kumar

Results-driven Senior Infrastructure Administrator with 6+ years of progressive experience architecting, deploying, and managing enterprise-grade Nutanix HCI, VMware, and Linux/Windows environments. Currently supporting mission-critical government infrastructure at DRDO, delivering high-availability compute, storage, and network services across multi-cluster Nutanix deployments. Deep expertise in DC-DR design, Nutanix micro-services (CALM, Flow, Data Protection), automated operations via shell scripting, and security hardening.

Adept at translating complex infrastructure requirements into reliable, scalable, and secure solutions while maintaining rigorous documentation and SOP standards.

Cloud & Infrastructure Administrator at DRDO — Defence Research & Development Organisation (via Glorich India Pvt. Ltd.) (2023-10 – Present)

• Architect and administer a multi-cluster Nutanix HCI environment for mission-critical government workloads, overseeing VM lifecycle management, storage provisioning, and Prism Central operations across production and DR clusters.
• Designed and implemented Nutanix Data Protection policies (snapshots, replication, DC-DR failover), achieving defined RPO/RTO targets and enabling seamless workload failover between data centres.
• Deployed and manage Nutanix CALM for application orchestration and Nutanix Flow for micro-segmentation, enhancing network security posture across multi-tenant workloads.
• Led OS and platform upgrade campaigns — including Nutanix AOS, AHV, Prism Central, RHEL, and Windows Server — with zero unplanned downtime through structured change management.
• Reduced manual operational effort by ~40% by building shell script automation libraries using bash, sed, awk, grep, find, and cron for routine Linux administration, log rotation, and health checks.
• Enforced security hardening baselines (server hardening, account policies, audit logging) and conducted compliance audits aligned with organizational security policies.
• Configured and maintained web server stacks (Nginx, Apache, Tomcat) for internal application workloads; performed performance tuning and SSL/TLS configuration.
• Authored comprehensive SOPs, runbooks, and incident post-mortems; drove continuous improvement in response processes and reduced MTTR for recurring issues.

System Engineer — Infrastructure at Integrated Tech9labs Pvt. Ltd. (2022-09 – 2023-10)

• Managed hybrid Nutanix and VMware vSphere environments: provisioned and monitored VMs, configured storage pools, and maintained network configurations for production workloads.
• Administered Linux file systems, user accounts, LVM volumes, and cron-based job scheduling; performed root cause analysis for recurring incidents.
• Executed data backup and recovery procedures, verified restore integrity, and maintained backup SLA adherence.

System Engineer at Softel Solutions Pvt. Ltd. (2022-04 – 2022-09)

• Delivered day-to-day VMware ESXi and Linux administration, including VM provisioning, LAN configuration, and hypervisor health monitoring.

System Engineer — Linux & Windows at Moody's Corporation (via IDC Technologies Pvt. Ltd.) (2021-07 – 2022-03)

• Supported Linux and Windows server operations for a global financial services organization; handled escalated incidents, patch deployment, and user access management.

System Engineer at Tech Mahindra (via Futuresoft Solutions Pvt. Ltd.) (2019-12 – 2021-01)

• Performed Linux and Windows system administration, contributing to infrastructure stability through proactive monitoring, patch management, and incident resolution.

Bachelor of Engineering in Electronics & Communication Engineering – Rajiv Gandhi Technical University (2017)