ZAHID HUSSAIN

Professional Summary

Microsoft 365 Administrator with expertise in Microsoft admin portal, Entra admin center (Azure AD), Intune, Teams, Defender, SharePoint, Exchange, Azure, and Teams call routing. Skilled in user onboarding, security policies, device management, and collaboration tools.

Core Skills

• Microsoft 365 & Admin Centers: Microsoft 365 admin center, Entra admin center, Teams, Exchange, SharePoint, Defender.
• Endpoint & Device Management: Intune (Autopilot, compliance, profiles, apps).
• Collaboration & Voice: Teams (policies, Direct Routing, call queues, auto attendants).
• Messaging: Exchange Online (mail flow, rules, migration).
• Security: Defender for Endpoint/Office 365, Conditional Access, MFA.
• Cloud & Identity: Azure, Entra ID, SSO, dynamic groups.
• Automation: PowerShell, Graph API.

Experience

Microsoft 365 Administrator

• Managed Microsoft 365 tenant, licenses, and service health.
• Onboarded users via Entra admin center, assigned licenses, groups, and MFA.
• Configured Intune for device enrollment, compliance, and app deployment.
• Managed Teams policies, meetings, and Direct Routing (voice setup, call queues).
• Handled Exchange mail flow, connectors, and rules.
• Implemented security policies in Defender and Entra (Conditional Access, MFA).

Ribbon SBC Configuration (Key Responsibilities)

• Planned and deployed Ribbon SBCs: SIP domains, call flows, firewall rules, bandwidth and codec requirements.
• Configured system setup, licensing, firmware upgrades, and network/QoS policies.
• Implemented TLS/SRTP with certificates for secure SIP trunking and Microsoft Teams Direct Routing.
• Built SIP trunks, dial plans, call routing and codec/media policies.
• Applied security: topology hiding, SIP header normalization, ACLs, anti-fraud, and session limits.
• Configured high availability (active/standby clusters) and tested failover.
• Enabled monitoring, logging, SIP traces, and reporting for real-time issue detection.
• Troubleshot SIP/RTP issues with carriers, Ribbon and Microsoft; analyzed call flows and resolved interoperability.
• Documented configurations, backups, and operational runbooks for support teams.

Role & Responsibilities

• Installed, configured, and administered Microsoft Windows Servers (2012, 2022) and Active Directory, managing user and group accounts.
• Configured network services including DNS, DHCP, WINS, and Terminal Services; controlled access to files, folders, and printers.
• Maintained server hardware, software, printers, scanners, and performed routine administrative tasks.
• Configured and maintained firewalls and Kaspersky Endpoint Security for client and company protection.
• Managed LAN/WAN infrastructure: switches, routers, patch panels, access points, and cabling.
• Installed, configured, and maintained CCTV systems and IT peripherals across company and project sites.
• Provided technical support via phone, TeamViewer, and on-site troubleshooting for desktops, laptops, software, and network connectivity.
• Installed and troubleshot various software applications including MS Office, Oracle, AutoCAD, Maya, Focus, and Tally.
• Monitored servers, network performance, and maintained documentation of IT issues and material transfers.
• Planned, designed, and implemented secure network infrastructure for clients and internal users.