Usman Haider

System Administrator

Confidential Managed Services Provider (MSP) • Período integral

Aug 2024 - Present • 1 yr 9 mos

Incident Response & Endpoint Security Investigated and responded to alerts in SentinelOne and Cisco AMP; validated threats using behavior analysis and file reputation. Executed containment actions including quarantine, allow/block decisions, process termination, and artifact cleanup. Used NinjaOne RMM for remote remediation, patching, scripting, and endpoint isolation during incidents. Deployed and supported EDR agents (SentinelOne, Illumio) and resolved endpoint security policy issues. Assisted in log collection, incident documentation, and post-remediation restoration. Identity, Okta & MFA Security Supported Okta administration including directory integration with Active Directory and user/group sync. Assisted in deployment and troubleshooting of Okta AD Agent connectivity and sync issues. Implemented and supported authentication policies and secure access workflows. Managed Duo MFA integrations for VPN/RADIUS authentication and secure remote access. Troubleshot VPN login issues related to identity sync, MFA failures, and authentication timeouts. System & Infrastructure Administration Managed Windows Server (2012–2022) including Active Directory, DNS, DHCP, Group Policy, and server hardening. Supported domain upgrades, FSMO role transfer activities, and DC lifecycle tasks. Administered Linux servers (Rocky, Ubuntu, Fedora) for internal services and production workloads. Managed Docker-based services and NGINX reverse proxy configurations. Troubleshot system performance, service failures, and authentication-related incidents. Backup, DR & Recovery Performed restores using Veeam and Cohesity including file-level and full-system recovery. Executed data migrations using Robocopy with permissions preservation and validation. Assisted in server rebuilds and recovery after incidents or outages.

Lead Senior Engineer

Fero-Tek Private Limited (Mindbridge) • Período integral

Dec 2021 - Aug 2024 • 2 yrs 8 mos

Managed hybrid identity environments including On-Prem AD and Azure AD. Implemented and administered Okta integration for user provisioning and MFA enforcement. Configured Cisco DUO, Office 365 MFA, and Conditional Access policies. Deployed and managed VPN solutions with secure authentication controls. Handled Intune Autopilot and Microsoft 365 administration. Implemented Azure Firewall and identity-based access restrictions. Managed Veeam backup infrastructure and disaster recovery planning. Conducted security analysis using Cisco Talos and endpoint monitoring tools. Mentored junior engineers and documented operational procedures.

IT Officer

Pak Star Automobile • Período integral

Dec 2019 - Dec 2021 • 2 yrs

Administered Active Directory, DHCP, DNS, WDS, and WSUS. Managed multi-site network infrastructure and domain services. Implemented secure authentication mechanisms and group policy controls. Led CCTV/IP camera deployments and network troubleshooting. Ensured business continuity through system monitoring and patch management.