OLISHA GAUR

Senior Consultant & Infrastructure Lead

Greater Noida

Summary

Senior Consultant & Infrastructure Lead with over 10 years of enterprise experience in Microsoft Windows Server Administration across hybrid, multi-cloud, and on-premises environments. Proven track record of spearheading infrastructure modernization, executing zero-disruption in-place upgrades, and driving high-tier enterprise troubleshooting across multi-cloud infrastructure. Highly skilled in aligning complex technical platforms with corporate ITIL standards, leveraging IIS Administration, Application Infrastructure Support, and robust Change Management to eliminate business downtime. Adept at steering cross-functional collaboration, coordinating with external vendors, and mentoring junior engineers to achieve operational stability.

Overview

Languages

Certifications

years of professional experience

Work History

Infrastructure Team Lead / Senior Consultant

Capgemini India Pvt. Ltd.

01.2022 - Current

Infrastructure Modernization: Drive critical architecture decisions and manage infrastructure operations across Azure, OCI, VMware, and enterprise Windows Server environments.
In-Place Upgrades: Successfully plan and execute complex server upgrades and in-place migrations across Windows Server 2016, 2022, and 2025 ecosystems with zero operational disruption.
Application Infrastructure Support: Led installation, configuration, and maintenance of custom and standard software suites; conducted IIS administration, including HTTPS certificate bindings and interface configurations.
Complex Diagnostics: Conduct high-tier troubleshooting of complex server environments using Performance Monitor (PerfMon), Windows Event Viewer, IIS Logs, and Windows Security logs to isolate performance bottlenecks.
Change Governance: Orchestrated Change Management, patch deployments (WSUS), and technical change planning using ServiceNow to ensure safe fulfillment of multi-team milestones.
Vendor & Stakeholder Engagement: Served as technical bridge connecting service management, engineering teams, and third-party vendors to expedite critical incident resolutions.
Mentorship & Documentation: Author standard operating procedures (SOPs), permanent Root Cause Analysis (RCA) reports, and Knowledge Base (KB) records while actively mentoring junior team members.

Technical Training

Honeywell

07.2022 - 08.2022

Acquired hands-on experience in enterprise IT infrastructure operations, support frameworks, and standardized ITIL processes to enhance operational effectiveness.

Windows Server Administrator

IBM India / Kyndryl

01.2016 - 01.2022

Enterprise Windows Administration: Administered and optimized enterprise-scale physical (Dell/HPE) and virtualized (VMware ESXi/vCenter) Windows Server environments in a mission-critical 24/7 setting.
Advanced Troubleshooting: Resolved high-priority incidents encompassing connectivity failures, system crashes, storage bottlenecks, and VM performance degradation metrics.
Platform Operations: Managed Active Directory operations, application platform interfaces, and automated patch management via WSUS tools to ensure system reliability.
Platform Operations: Handled basic Active Directory operations, application platform interfaces, and automated internal patch management routines via WSUS tools.
Vendor Management: Collaborated with hardware OEM vendors (Dell, HPE) and external application software providers for hardware swap-outs and escalated support issues to minimize downtime.
Knowledge Management: Created technical documentation, system health charts, and knowledge transfer briefs to enhance alignment across global operations teams.

Education

Bachelor of Technology (B.Tech) - Information Technology

Modern Era Public School

Bijnor, India

06-2013

Skills

Windows Server

IIS Server Configuration

In-Place OS Migrations

Disaster recovery planning

WSUS

Infrastructure modernization

Change planning

Certification

Microsoft Certified: Azure Fundamentals (AZ-900)

Timeline