Senior Network Engineer
Yokozunanet Llc
Ulaanbaatar, Mongolia
Major Responsibilities;I streamlined network security and engineering processes to provide dependable high-speed internet service across Ulaanbaatar. I designed and managed resilient LAN/WAN networks, setting up firewall policies to secure data flow. I also administered server clusters, delivering rental and hosting solutions tailored to various business needs. Through thorough analysis and troubleshooting, I resolved intricate network issues, creating strategies to boost overall system performance. My responsibilities extended to installing, configuring, and maintaining essential company servers and services—such as DHCP, DNS, web, email, and AAA—and managing database systems like Oracle, SQL Server, and MySQL to ensure consistent data integrity and accessibility.Key Deliverables;• Managed multi-vendor network devices, including Cisco, Palo Alto, Juniper, and Fortinet, showcasing versatility/technical proficiency.• Deployed Google content cache, Facebook cache, and Akamai cache, reducing bandwidth costs by 50%+ and boosting internet speed.• Developed a new mesh system for the data center, minimizing downtime and enhancing protection against DDOS attacks.• Created an automated backup system for critical network components, ensuring continuity and security of operations.• Provided customer support, ranging from basic guidance to professional configuration, maintaining high satisfaction and loyalty.