Infrastructure Engineer - VMware & Nutanix Ops

GAUTHAM BEJOY Infrastructure Engineer

*****************@*****.*** +91-871**-***** Kozhikode, Kerala, 673005

PROFESSIONAL SUMMARY

Infrastructure engineer with 2+ years of enterprise experience administering Windows Server environments and VMware ESXi/vCenter virtualization at scale (10,000+ users, 20+ clusters, 240+ hosts), alongside Nutanix hyperconverged infrastructure. Skilled in VM provisioning, snapshot management, and lifecycle management; patch management and backups across Windows and database servers; vulnerability remediation and security hardening (SSL/TLS certificate lifecycle); and production troubleshooting, incident response, and root-cause analysis. Certified in Azure (AZ-900), Nutanix (NCA 6.10), and AWS (CLF-C02).

WORK EXPERIENCE

Virtualization Engineer Aug 2024 – Present

Tata Consultancy Services, Kochi, Kerala

•Administer and support VMware ESXi, vCenter, and Omnissa Horizon infrastructure (Connection Server, App Volumes, Unified Access Gateway), managing VM workloads, resource allocation, snapshots, patching, and upgrades across the hyperconverged platform.

•Perform infrastructure lifecycle management and performance tuning using VMware ESXi/vCenter, Nutanix Life Cycle Manager (LCM), Nutanix AOS, and Cisco UCS, executing 15+ AOS/firmware/ESXi upgrade cycles in the past year with zero unplanned downtime through dependency management, change coordination, and staged rollouts.

•Perform Windows Server and database server patching and backups as part of a monthly patch cycle, alongside Linux vulnerability remediation, reducing the critical CVE backlog; manage the SSL/TLS certificate lifecycle end-to-end (CSR generation, renewal, installation, deployment) across enterprise virtualization and VDI components.

•Administer and support a 10,000+ user, multi-region VDI environment spanning 20+ Nutanix clusters and 240+ hosts, acting as SME and escalation point for complex issues across compute, storage, and VM operations, including VM snapshot management.

•Troubleshoot Layer 2/3 network configuration, connectivity, sessions, and application issues, including database server administration and support; perform incident response and Root Cause Analysis (RCA), documenting troubleshooting steps and resolutions into a knowledge base used by the wider team for future reference.

PERSONAL PROJECTS

•System Monitoring API Python • Flask • Docker • Redis • Nginx

Built a RESTful monitoring API using Python, Flask, and psutil to expose real-time CPU, memory, and disk metrics, replacing manual server checks with live visibility and supporting faster issue identification.

Implemented Redis-based metric caching to decouple metric collection from API requests and improve responsiveness.

Containerized Flask, Redis, and Nginx using Docker Compose, including service networking and configuration management — a self-directed DevOps automation initiative.

•Log Monitoring Service Python • Flask • Docker

Built a log analysis service using Python, Flask, and Linux journalctl to process logs and auto-classify INFO, WARNING, and ERROR events, cutting manual log review effort during troubleshooting.

Containerized the application and exposed REST APIs for automated log analysis and troubleshooting.

•Linux System Maintenance & Resource Automation Bash • Cron

Developed Bash automation for system resource reporting, log management, and scheduled maintenance tasks.

Automated CPU, memory, and disk usage reporting using Cron and email notifications, reducing repetitive Linux administration.

SKILLS

•Cloud & Virtualization: Nutanix AOS/AHV, Nutanix Cloud Infrastructure (NCI), Life Cycle Manager (LCM), VMware ESXi, vCenter, Omnissa Horizon, Accops VDI

•Troubleshooting & Networking: Root Cause Analysis (RCA), Incident Response, Layer 2/3 Troubleshooting, Storage Management, Performance Tuning

•Windows & Systems Administration: Windows Server Administration, Linux Administration, Database Server Administration, Backup Management

•Systems & Programming: Linux Administration, Windows Server Administration, Database Server Administration, Python, Bash, Flask, Cron

•Containers & Infrastructure: Docker, Docker Compose, Nginx (Reverse Proxy), Redis

•Security & Operations: SSL/TLS, OpenSSL, CSR Generation, Certificate Renewal & Deployment, Vulnerability Remediation, Security Patching

•Tools: GitHub, VS Code, Linux CLI

CERTIFICATIONS

•Azure Fundamentals (AZ-900)

•Nutanix Cloud Associate (NCA 6.10)

•AWS Certified Cloud Practitioner (CLF-C02)

EDUCATION

Bachelor of Computer Application — College of Applied Science IHRD, Kozhikode, Kerala Sep 2021 – Apr 2024

CGPA 8.05

NSS Volunteer - community service and outreach initiatives

IEDC Member - organized a Tech Quiz

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