Harkiran Singh Kohli
New Delhi
Summary
Accomplished Site Reliability Engineer (SRE) and VMware Infrastructure Specialist known for driving complex virtualization upgrades and environment convergences. Proficient in VMware Cloud Foundation (VCF 5.x/9.x), vSphere Suite, and Aria Suite on multi-vendor hardware platforms, with a proven history of optimizing system performance and high-pressure customer delivery across global time zones.
Overview
3
3
Languages
1
1
Certification
14
14
years of professional experience
Work History
Associate Consultant / Site Reliability Engineer
HCLTech (Contracted to Broadcom)
10.2025 - Current
- Lifecycle Services & Upgrades: Directing end-to-end lifecycle operations, patching, and major upgrades of core VCF components to VCF 5.x and 9.x, alongside VMware Aria deployments for enterprise clients.
- Technical Consultation & Log Analysis: Reviewing script outputs and log files to isolate errors for creating readiness of the environment to upgrade the VCF and Non VCF components.
- Environment Convergence & Scale: Executing critical import and convergence activities for VCF 9.x deployments, transitioning legacy VMware vSphere Foundation (VVF) environments into fully integrated VCF architectures.
- Multi-Vendor Hardware Operations: Managing system reliability, capacity, and performance optimization across diverse enterprise hardware platforms, including Dell (VxRail & PowerEdge), HP, and Lenovo.
- Global Customer Management: Managing critical escalations and high-pressure customer engagements with full schedule flexibility across multiple international time zones
Lead System Administrator
Kyndryl Solutions Pvt Ltd.
09.2021 - 09.2025
- VMware Infrastructure Management: Proven expertise in the upgrade, and management of vCenters, ESXi hosts ,vRealize Suite, vSAN, VxRail clusters utilizing both manual processes and automated tools like VMware SDDC and vXRAIL Manager. Demonstrated ability to implement upgrade plans efficiently, ensuring system reliability and performance.
- System Administration & Monitoring: Skilled in the comprehensive monitoring of hardware systems, with a strong ability to quickly address and resolve alerts and incidents. Proficient in generating detailed reports on power consumption, predicting Hardware errors/failures and inventory using Dell Open Manage & vROPS, contributing to optimized system performance and resource allocation.
- Scripting & Automation: Leveraged PowerCLI scripts to automate VM provisioning, snapshot management, and resource adjustments, streamlining operations and minimising manual workload.
- Change & Incident Management: Managed change processes and responded to incident calls, effectively addressing disk space, CPU utilisation, memory, backups, and permissions issues to maintain system integrity and availability.
- Agile Methodology: Experienced in Agile practices, utilizing tools like Azure Boards for sprint planning, sprint retrospective and task refinements, fostering a collaborative and efficient project management environment.
- Security & Compliance: Vigilant tracking and remediation of vulnerabilities within VMware products. Proficient in reviewing system enhancements and additions, making informed recommendations to both management and clients for security best practices and remediating them within the defined timelines.
- Performance Tuning & Capacity Planning: Expertise in vSphere OS performance tuning and management, along with strategic capacity planning and forecasting, ensuring systems are optimized for current and future demands.
- Implemented VMware vSphere virtualization solutions, achieving a 40% reduction in hardware expenses.
- Managed and maintained the VMware infrastructure, ensuring optimal performance and uptime by effectively troubleshooting and resolving complex issues.
- Collaborated with cross-functional teams to evaluate business needs, integrating new applications and technologies seamlessly within the VMware environment.
- Gained expertise in VMware vSphere and ESXi implementation through SDDC, improving infrastructure reliability and efficiency.
- Partnered with multiple departments to achieve targets.
Technical Service Specialist
IBM
05.2021 - 09.2021
- Company Overview: Vmware, Vsphere, Esxi 6.7, DRS Management, Cloning, Snapshots, Troubleshooting and Designing infrastructure, Chassis Management
- Vmware, Vsphere, Esxi 6.7, DRS Management, Cloning, Snapshots, Troubleshooting and Designing infrastructure, Chassis Management
- Customised technical solutions to fit within client budgets without compromising quality.
- Assessed client infrastructures for compliance with industry standards and regulations.
- Established effective communication channels with clients, maintaining transparency throughout projects.
Senior Application Support Analyst
EPAM India
New Delhi
10.2018 - 07.2020
- Company Overview: Delivered infrastructure support services to maintain system reliability, Esxi Deployment, ESXi 6.7, Administered support for Windows operating systems to resolve user issues, Application Deployment
- Client/Project Details: Molecular Devices Project: Moldev 3-person support team to provide product installation support (pre deployment and post deployment) to MolDev's clients for one product (SoftMax Pro) Team Size: 3 Person Team (Dev-Ops) Project Role: System Engineer Tasks performed: VM Deployment through Bare Metal Types Application deployment through PowerShell Application Testing SQL Database Integration with the application
- Migration of application DATA from Docker Containers to SQL Containers through PowerShell scripting
- Client/Project Details: Petrofac Corporation Project: Petrofac -Replacement of Infrastructure including server and Workstations
- Complete migration from Windows 7 to Windows 10 including application deployment
- Asset Management Team Size: Global Project which included around 30 Engineers (Round the globe project)
- Project Role: Client Infrastructure Engineer Tasks performed: Windows 10 Deployment through Automated PE Process
- Designing and Engineering Application Deployment and Integration with SQL Database and ORACLE DATA BACKUP and Migration (Windows Based)
- Executed deployment of group policies to enhance user management
- Active Directory Topology Permissions
- Asset Management through Service Now
- Leading and Managing complete New Delhi, India site
- Environment: 2012 SQL - Application Connection establishment Windows Server 2016 Lync, Skype, Active Directory, Group Policies, Microsoft Windows 7, Microsoft Windows 10, Service Now
- Windows/OS Migration from Windows 7 to Windows 10, ADDS Group Policies Deployment, Microsoft Technologies such as Outlook and Skype 2013/2015 Integration
- IAM Roles and Permissions, Application Testing on various Windows OS Environments
- Application Documentation based on specific environments it will work on
- Infrastructure Support, Esxi Deployment, ESXi 6.7, Windows Support, Application Deployment
Windows System Administrator
AimBix Consulting & Services Pvt. Ltd
05.2018 - 10.2018
- Company Overview: Project: IAM, Virtualization, ADDS and Hyper V Projects
- Team Size: 5 person Support Team (infrastructure and Architect Engineer) Project Role: Windows System Administrator Tasks performed: Managing Active Directory Pre and Post Configuration of ADDS Configuration of application in accordance with GPO VMware deployment and managing with and without vSphere Application deployment through silent packages and SCCM System bug report analysis
- Network Management and TCP/IP protocols Resolution of raised tickets in given SLA to save negative business impacts
- Environment: ADDS Hyper V VMWARE Windows 2012 Windows 2016 Windows 7 Windows 8.1 Windows 10 MMC ADDS VMWARE vSphere
- Project: IAM, Virtualization, ADDS and Hyper V Projects
Senior Resolution Expert
Dell International Services (DELL)
04.2015 - 03.2018
- Company Overview: Project: Providing resolutions on Dell Products like Servers, Laptops, Workstations and in house Active Directory
- Team Size: Depending on the project have worked with starting from 10-300 engineers together
- Project Role: Senior Resolution Expert Tasks performed: Providing resolution to end user taking remote sessions and on phone support
- Updating relevant OKB Articles for sharing best resolution practices
- Working and finishing tasks in SLA
- SLA based ticket resolutions
- In house Active Directory Management for the raised tickets and concerns
- Basic Application and OS deployment in the provided guidelines
- Extended support as per the concerned issues provided by the customer
- Server and Hardware assembling (in house, not field operations)
- Environment: Siebel Ui and UX based application Active Directory Service Now Windows 7 Windows 8.1 Windows 10 Siebel ADDS Citrix Remote OKB
- Project: Providing resolutions on Dell Products like Servers, Laptops, Workstations and in house Active Directory
Senior IT Specialist
Design Dreamz
03.2013 - 12.2014
- System Administrator and providing Tier 1 , Tier 2 Desktop Support
Education
B.Sc - B.Sc (I.T)
Mahatma Gandhi University (MGU)
2014
XIIth - Commerce with IP
English
G.H.P.S Vasant Vihar, New Delhi2007
Xth -
English
CTPS Public School, Jalandhar2005
Skills
- Server Administration
- VMware infrastructure management
- Technical troubleshooting
- Change management
- Cross-functional collaboration
- VMware Cloud Foundation 5x/9x
- VMware Aria Suite (vRealize)
- VVF to VCF Convergence
- Multi-Vendor Hardware Understanding and Exposure (Dell, HP, Lenovo)
- Lifecycle Services & Patching
- Migrations
- Public Relations
- Complaint handling and resolution
- Customer focused
Languages
English
Hindi
Punjabi
Certification
- VMware Certified Professional - Data Center Virtualization 2022
- VMware Certified Specialist - Cloud Foundation 2023
- VMware Certified Specialist - vSAN 2022
- Double VCP - Data Center Virtualization & Digital Workspace
- Broadcom Partner Certification - Proven Professional - VMware vSphere - Support
- Broadcom Partner Certification - Proven Professional - vSAN - Support
- VMware Certified Professional - VCF Administrator 9.0
Timeline
Associate Consultant / Site Reliability Engineer
HCLTech (Contracted to Broadcom)
10.2025 - Current
Lead System Administrator
Kyndryl Solutions Pvt Ltd.
09.2021 - 09.2025
Technical Service Specialist
IBM
05.2021 - 09.2021
Senior Application Support Analyst
EPAM India
10.2018 - 07.2020
Windows System Administrator
AimBix Consulting & Services Pvt. Ltd
05.2018 - 10.2018
Senior Resolution Expert
Dell International Services (DELL)
04.2015 - 03.2018
Senior IT Specialist
Design Dreamz
03.2013 - 12.2014
B.Sc - B.Sc (I.T)
Mahatma Gandhi University (MGU)
XIIth - Commerce with IP
English
Xth -
English