Sidharth Shankar Dash
System Analyst
Bhawanipatna
Summary
System Administrator with 5 years of hands-on experience supporting Windows-based enterprise infrastructure in 24x7 production environments. Strong expertise in Windows Server (2016/2019), Active Directory, patch management, monitoring, endpoint administration, and outage resolution. Proven ability to work within strict change control, compliance-driven environments, coordinate with vendors, and maintain high availability (99%+) for business-critical systems. Well-aligned for System Administrator roles at Persistent Systems.
Overview
8
8
years of professional experience
2
2
Certifications
Work History
System Administrator (L2)
HCL Technologies
12.2023 - Current
- Provided L2 Windows and infrastructure support for enterprise environments, maintaining 99%+ system uptime.
- Administered Active Directory including user provisioning, group management, access control, and account troubleshooting.
- Led transition, training, and escalation support for Extended Service Desk operations, supporting resort applications such as Squirrel, Opera PMS, FreedomPay, and Saflok.
- Handled site outages through technical troubleshooting on Windows Servers, coordinating closely with application and vendor teams.
- Performed post-patching validations using BigFix, ensuring servers are online and service availability is maintained.
- Worked with Hypercare teams during Windows database server patching via remote sessions and BigFix tools.
- Managed endpoint compliance and device policies using Microsoft Intune, including BitLocker recovery support.
- Monitored infrastructure using SolarWinds and vCenter, proactively identifying issues and reducing unplanned outages by ~25%.
- Supported change activities, maintenance windows, and rollback plans in line with enterprise standards.
- Client: MVW
Infrastructure Analyst
Tech Mahindra
02.2022 - 08.2023
- Delivered L2 system and infrastructure support in a large-scale enterprise environment.
- Supported Windows servers and endpoints, resolving 40–60 system-related tickets per shift.
- Performed Active Directory user lifecycle management (joiners, movers, leavers).
- Supported DNS, DHCP, and basic network troubleshooting from a system administration perspective.
- Used monitoring tools to proactively identify performance issues, contributing to ~20% reduction in recurring incidents.
- Ensured 95%+ SLA compliance with accurate documentation and timely escalations.
Infrastructure Support / System Administrator (L2)
Tech Mahindra
04.2021 - 10.2021
- Delivered L2 system and infrastructure support in a large-scale enterprise environment.
- Supported Windows servers and endpoints, resolving 40–60 system-related tickets per shift.
- Used monitoring tools to proactively identify performance issues, contributing to a ~20% reduction in recurring incidents.
- Client: Amazon
System Administrator / L2 Support
HCL Technologies
05.2018 - 01.2019
- Provided L1–L2 Windows system administration support for enterprise users across regions.
- Administered Active Directory, user access, group memberships, and password policies.
- Supported file servers, print services, and shared resources.
- Assisted with server patching activities and post-patch validation.
- Maintained ~97% SLA compliance for system-related incidents.
- Client: Syneos Health
System Support Analyst (Contract)
Bhilwara Infotech Pvt. Ltd
04.2018 - 05.2018
- Supported Windows desktops and servers as part of L1/L2 system support.
- Resolved 30+ system and access-related tickets per shift.
- Assisted with AD account administration and endpoint troubleshooting.
- Documented procedures and resolution steps for knowledge base usage.
- Client: HCL Technologies
Education
B.Tech - Electrical And Electronics Engineering
Gandhi Institute of Engineering And Technology
04.2001 -
Intermediate Certificate -
Deepika English Medium School
04.2001 -
Matriculation -
Guru Nanak Public School
04.2001 -
Skills
- Windows Server Administration (2016, 2019)
- Active Directory (Users, Groups, GPOs, Access Control)
- DNS, DHCP & Core Windows Services
- Server & Endpoint Troubleshooting (L1–L2)
- Patch & Vulnerability Management
Certification
Microsoft Generative AI Foundation Program
Accomplishments
- Maintained 99%+ uptime for critical Windows-based infrastructure.
- Achieved 95–97% SLA compliance across system administration queues.
- Reduced recurring system issues by ~20–25% through proactive monitoring and patch validation.
- Trusted L2 resource for Windows Server, AD, and production outage resolution.
ATS Keywords
System Administrator, Windows Server 2016, Windows Server 2019, Active Directory, L2 Support, Infrastructure Support, Patch Management, BigFix, SolarWinds, vCenter, Intune, SCCM, DNS, DHCP, Change Management, Production Support
Timeline
System Administrator (L2)
HCL Technologies
12.2023 - Current
Infrastructure Analyst
Tech Mahindra
02.2022 - 08.2023
Infrastructure Support / System Administrator (L2)
Tech Mahindra
04.2021 - 10.2021
System Administrator / L2 Support
HCL Technologies
05.2018 - 01.2019
System Support Analyst (Contract)
Bhilwara Infotech Pvt. Ltd
04.2018 - 05.2018
B.Tech - Electrical And Electronics Engineering
Gandhi Institute of Engineering And Technology
04.2001 -
Intermediate Certificate -
Deepika English Medium School
04.2001 -
Matriculation -
Guru Nanak Public School
04.2001 -