Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Affiliations
Languages
Timeline
Generic
Sumit Kumar

Sumit Kumar

Bangalore

Summary

Skilled System Administrator with over 5 years of experience supporting and maintaining enterprise-level Windows Server environments. Proficient in Microsoft Azure, Active Directory, Hyper-V, VMware, Networking, Security, Office365, Desktops and Backup solutions. Adept at monitoring server health, managing virtual machines, troubleshooting critical infrastructure issues, and collaborating with global support teams to ensure seamless IT operations.

Overview

6
6
years of professional experience
1
1
Certification

Work History

Engineer

Wipfli LLP
Bengaluru
01.2022 - Current
  • Performed server performance analysis and hardware license checks.
  • Managed antivirus scans, AD user/computer reports, and malware threat identification.
  • Ensured proper backup operations, and performed file-level and VM restorations using Azure, Datto, Altaro, and BDR.
  • Investigated and resolved monitoring alerts, including server down, network element failures, and VSS writer issues.
  • Supported service desk operations, collaborating with the US L2 team to address Users, RDP, VPN, SharePoint, Exchange, and OneDrive issues.
  • Configured new PCs, managed SharePoint, Office 365, and Exchange access, installed VPNs, set up printers, and created distribution groups.
  • Implemented AD Sync and handled Microsoft license assignments.

System Administrator

Nuvollo Corp
Bengaluru
04.2019 - 12.2021
  • Installed and configured servers (AD, TS, SQL) across Hyper-V and VMware platforms.
  • Promoted domain controllers and executed a full Remote Desktop Gateway setup.
  • Migrated servers using SCVMM, Failover Cluster Manager, and VMware Converter.
  • Performed VLAN configuration and vulnerability scans using Nessus.
  • Upgraded PCs, diagnosed hung state crashes via event logs, and monitored disk space and performance.
  • Configured failover cluster setup, validation, and quorum configuration.
  • Provided support for server-class systems, resolved critical application issues, and managed tickets according to SLA.

Education

BTECH -

Prist University
Chennai
09.2021

12th -

Bridgeford Public School
Ranchi
04.2013

Skills

  • Server Administration: Windows Server 2008 R2 / 2012 R2 / 2016 / 2019
  • Virtualization: Hyper-V, VMware, SCVMM
  • Cloud Platform: Microsoft Azure (Backup, AAD, Conditional Access Policies, AVDs, AD Sync, Azure Backups)
  • Directory Services: Active Directory, AD DS, AD Replication, Group Policy
  • Backup Solutions: Azure Backup, Datto, Altaro, BDR
  • Security Tools: Trend Micro, Nessus Vulnerability Scanner
  • Networking: Firewalls
  • Monitoring & Tools: Performance Monitor, resource Monitor
  • Applications: Office365, SharePoint, OneDrive, Exchange
  • Server performance analysis
  • Network troubleshooting
  • Virus threat management

Accomplishments

  • Awarded many times for good performance in a particular quarter, consistent high-impact technical support, and maintaining service excellence benchmarks
  • Acted as the primary escalation point for cross-functional technical teams, resolved complex incidents with maximum satisfaction rate based on client feedback
  • Conducted regular hands-on training sessions for Service Desk and Infrastructure teams, covering Windows Server administration, Office 365, and VPN troubleshooting, boosting team resolution efficiency
  • Managed service desk operations with L2 escalation, consistently meeting SLA targets, and resolving the maximum number of Level 1/2 support tickets independently
  • Delivered technical support for Azure, AD, AAD, RDS, Office 365, Exchange, SharePoint, OneDrive, printers, and VPN, reducing ticket backlog through first-call resolutions
  • Successfully managed and optimized over 100 Windows Server instances (2008–2019) across virtual and cloud platforms, maintaining maximum uptime
  • Assisted over 100 users through remote desktop support with configuration, troubleshooting, and onboarding, resulting in user satisfaction

Certification

  • Microsoft Certified: Azure Fundamentals (AZ-900) — Ongoing
  • Microsoft Certified: Azure Administrator Associate (AZ-104) — Ongoing
  • CompTIA A+ Certification — Ongoing
  • Cisco Certified Network Associate (CCNA) — Ongoing

Affiliations

  • 🏏 Cricket Enthusiast
  • 👨‍🍳 Cooking Explorer
  • 🚗 Car & Bike Aficionado
  • 👨‍👩‍👧‍👦 Family-Oriented & Social

Languages

Hindi
First Language
English
Advanced (C1)
C1

Timeline

Engineer

Wipfli LLP
01.2022 - Current

System Administrator

Nuvollo Corp
04.2019 - 12.2021

BTECH -

Prist University

12th -

Bridgeford Public School

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Sumit Kumar