Muhammad Umar

Infrastructure Supervisor

• Lead a team of 15 IT technicians, providing strategic direction, technical guidance, and performance oversight.
• Manage and administer Active Directory and Microsoft 365 environments, including user provisioning, group policies, security configurations, and license management.
• Oversee the server and firewall infrastructure for the Head Office and more than 10 regional offices, ensuring high availability and security.
• Administer and maintain the network infrastructure across the Head Office, regional offices, and over 220 remote stations, ensuring seamless connectivity and performance.
• Manage and monitor a centralized monitoring solution to proactively detect and resolve system issues, ensuring optimal uptime and performance across all locations.
• Execute timely deployment of security policies, critical system patches, and compliance updates to maintain a secure and stable IT environment.
• Collaborate with cross-functional teams to support IT projects, infrastructure upgrades, and business continuity planning.

Key Achievements:

• Data Center Migration: Successfully migrated the entire data center from one city to another, including moving hosts from Hyper-V to a Nutanix private cloud environment with minimum-to-no downtime.
• M365 Migration: Led migration of 350+ users from on-premises Exchange 2010 to Microsoft 365 with zero downtime.
• Network Infrastructure Overhaul: Designed and implemented the network for 220+ stations, securing services and deploying new firewalls with IPsec tunnels.

Senior Administrator

• Administered server infrastructure, storage, and virtual machines on Hyper-V.
• Managed Sophos & Fortinet firewall infrastructure, configuring security policies, web filtering, and VPN connections.
• Managed E-Commerce website, ensuring uptime and performance of the platform.
• Administered Google Workspace services, including email, shared drives, and user accounts.
• Maintained and monitored Active Directory, Domain Controllers, and local networks for all locations.

Key Achievements:

• E-Commerce Platform Launch: Led the development and implementation of a full-featured e-commerce website, including data migration and payment gateway integrations.
• Firewall Deployment: Deployed and configured a new primary firewall, implementing robust security policies, WAF rules, and site-to-site VPNs to secure the corporate network and store connections.

Senior System Administrator

• Managed the complete IT landscape, including system administration, networking, workstations, servers, and security for desktop, mobile, and cloud environments.
• Administered HP blade servers, SAN storage, and virtual machines using Hyper-V and Failover Clustoring.
• Configured and documented Sophos UTM firewall infrastructure, managing rules, web security, VPNs, WAF, and email security.
• Deployed applications and managed user access through Citrix App Center and Windows RDS Services.
• Monitored ticket queues and system performance consoles to ensure rapid issue resolution and maintain detailed IT asset inventory.

Key Achievements:

• Cloud Migration: Successfully managed the migration of 250+ user mailboxes from on-premises Exchange 2010 to Office 365, integrating with Azure AD and configuring Microsoft Intune.
• Document Management System Implementation: Deployed and administered the Hyland OnBase DMS, including creating workflows, designing forms, and developing custom solutions.
• IT Governance: Developed, documented, and implemented comprehensive IT procedures, processes, and policies to standardize operations.
• IT Asset Management: Executed a company-wide IT asset inventory and write-off project, tagging all equipment, confirming user custody, and reconciling records with finance ensuring the accuracy of data in ERP.

Technical Support Engineer

• Maintained Active Directory, Exchange mailbox, and critical application servers.
• Deployed and configured network hardware, including routers, wireless devices, and VPN routers.
• Managed firewall device policies and controlled web access to protect the network.
• Provided hands-on technical support, diagnosing and resolving software, hardware, and network connectivity issues.
• Managed IT hardware stock, asset registration, and user custody records.