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Windows System Administrator

Talent
KarachiMember since May 28, 2026
Windows Server 2019Windows Server 2022Group Policy Objects (GPO)DNSDHCPWSUSPowerShellWindows Server BackupVeeamEvent ViewerPerformance Monitor
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Windows Server 2019Windows Server 2022Group Policy Objects (GPO)DNSDHCP

About

Highly skilled Windows System Administrator with extensive experience in designing, implementing, managing, and supporting enterprise-level Microsoft Windows environments. Proven expertise in Windows Server administration, Active Directory, Group Policy, virtualization, system security, automation, and disaster recovery. Adept at maintaining high availability, ensuring system security, and optimizing IT infrastructure performance.

Strong troubleshooting skills with a proactive approach to system monitoring and incident resolution.

Experience

Senior / Windows System Administrator at ITROOS Pvt. Ltd (2018-06 – Present)

  • Administered and supported enterprise Windows Server infrastructure across production, test, and development environments.
  • Designed and maintained Active Directory architecture, including domain structure, OUs, and trust relationships.
  • Implemented and managed Group Policies for security hardening, software deployment, and desktop standardization.
  • Installed, configured, and maintained DNS and DHCP services, ensuring high availability and fault tolerance.
  • Managed user lifecycle operations (onboarding, offboarding, access control, permissions).
  • Performed Windows Server patching and updates using WSUS and manual maintenance windows.
  • Monitored system health, performance, and availability; resolved incidents and root causes.
  • Managed file servers, quotas, NTFS/share permissions, and data access policies.
  • Administered virtualized environments using Hyper-V / VMware.
  • Planned and executed server migrations and upgrades with minimal downtime.
  • Implemented backup strategies and regularly tested restore procedures.
  • Ensured compliance with internal security policies and industry best practices.
  • Created and maintained technical documentation and SOPs.
  • Provided Tier 3 escalation support and mentoring to junior administrators.

System Administrator / IT Infrastructure Engineer at Data Plus (2014-01 – 2017-12)

  • Supported Windows Server and desktop environments for internal users.
  • Managed Active Directory accounts, security groups, and GPOs.
  • Assisted with deployment of new servers and services.
  • Troubleshot OS, application, and network-related issues.
  • Supported virtualization platforms and server backups.
  • Assisted in implementing security controls and access policies.
  • Responded to incidents and service requests within SLA timelines.
  • Maintained asset inventory and system documentation.

Junior System Administrator / IT Support Engineer at ASK Development Pvt Limited (2010-04 – 2014-02)

  • Provided first-line and second-line technical support.
  • Assisted in Windows OS installations and system configurations.
  • Performed routine system checks and maintenance.
  • Supported AD user management and password policies.
  • Escalated complex issues to senior administrators.

Education

ADIT in Advanced Diploma in Information Technology – SBTE, Karachi

Bachelor of Science in Computer Science – University of Karachi

Master of Business Administration in Faculty of Management Sciences – SZABIST University

Skills

Windows System Administrator

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