Mohammad

Amin

I am a professional network engineer with strong hands-on experience in enterprise network environments, specializing in Cisco switch configuration and troubleshooting. My expertise includes: VLAN, Trunk, Access & Inter-VLAN routing STP / RSTP / MST optimization & loop prevention Port Security, EtherChannel & QoS (switch level) Network auditing, performance optimization & fault isolation Remote troubleshooting and support I work efficiently, communicate clearly, and focus on stable, secure, and optimized networks. I accept crypto payments (USDT, BTC, ETH) and am available for both one-time tasks and ongoing remote support.