Zain Ul Abedin Mohammed

Entry-level IT Support professional with a diploma in Network Technology Administration and Security. Proficient in Windows operating systems and networking fundamentals, with proven troubleshooting skills. Gained hands-on experience through academic labs and network simulation projects. Aiming for an entry-level role in IT Support, Help Desk, or IT Technician within an enterprise environment.

Dorigo's System limited

Planned, designed, and implemented a scalable enterprise network using Cisco Packet Tracer for a multi-department environment. Configured multiple VLANs with unique subnets, routers, core and access layer switches, and connected approximately 40 end devices. Implemented inter-VLAN routing, IP addressing, and redundancy concepts to support secure and reliable communication across departments. The project reflects real-world network design practices aligned with enterprise infrastructure requirements. Developed and implemented as a semester-long academic Infrastructure Project under faculty supervision.

Enterprise Network & Security Architecture (GreenLeaf Technologies)
Designed and documented a secure, scalable, multi-site enterprise network for GreenLeaf Technologies supporting expansion from 165 to 300 users across San Francisco, New York, and Houston. Implemented VLAN segmentation, redundant LAN/WAN architecture, Azure vWAN connectivity, and hybrid Active Directory integration. Designed centralized logging using on-prem Syslog servers with Azure Sentinel SIEM, including redundancy, auditing, alerting, and compliance-ready log retention. Integrated PKI, 802.1X authentication, NAC, secure wireless, VPN access, and disaster-resilient services to improve availability, security visibility, and incident response. Completed as part of the final Capstone Project for the Network Technology Administration & Security program.