Experience

Limelight Networks

• United States
• Software Development
• 100 - 200 Employee

• Production Engineer

  • Jan 2022 - Present



Sandvine

• Canada
• Telecommunications
• 700 & Above Employee

• Technical Support Engineer II

  • Jan 2021 - Jan 2022

  Responsible for addressing customer service and technical issues related to Sandvine solutions by troubleshooting, researching, and live session. Responsible for addressing customer service and technical issues related to Sandvine solutions by troubleshooting, researching, and live session.



Limelight Networks

• United States
• Software Development
• 100 - 200 Employee

• Tier III Operations Engineer

  • Apr 2015 - Jun 2019

  Responsible for addressing customers’ service disruption as well as maintaining the global infrastructure of network and servers Key responsibilities • Provided advanced level 3 support for Limelight product suite offered to internal and external customers • Interfaced with technicians, developers, sales teams, as an escalation point • Independently researched solutions and resolved complex problems by analyzing products and data logged from different devices • Performed regular maintenance without issues and minimized customers’ implications Proudest Achievements • Successfully solved all problems and performed maintenance to meet customers' needs and requests under high pressure by prioritizing tasks and daily service tickets • Improved and changed a team working style where each member was more willing to share knowledge and describe work note in an organized way, which has been initiated and practiced by continuous efforts • Played an essential role in retaining one of the biggest customers in the company by solving a critical problem over two months with persistent attempts and different point of view



Cisco

• United States
• Software Development
• 700 & Above Employee

• Systems Engineer

  • Jun 2011 - Nov 2014

  In charge of documenting, proposing and delivering Cisco products to major cable operation customers Key Responsibilities • Performed end-to-end implementations of Cisco IP Video solutions by conducting analysis of RFP, proposing and implementing CDN, Transparent caching, and IP encoders solutions • Facilitated in resolving post issues among TAC, R&D, channel partners, and customers • Provided consultation with customers on various network architecture tailed to the need Proudest Achievements • Intensified knowledge of IP-based video solution, data center networking, ASA, and network security • Integrated Cisco’s video agent into customer’s STBs by overcoming facing challenges, performing incredibly high video recovery quality in a harsh environment where packet loss ratio was over 15 percent



LGU+

• Seoul

• Network Administrator

  • Jul 2008 - May 2011

  Designed and operated highly sophisticated IPTV Operation Center network Key Responsibilities • Worked as IPTV performance specialist who standardized the process of operations • Designed, implemented, and administered network infrastructure Proudest Achievements • Initiated and lead a team from different teams, productizing the development of IPTV monitoring agent in proprietary STBs measuring key performance index, resulting in saving more than 3 million dollars • Maintained optimally a network platform that consisted of Cisco switches, routers, ACE, Juniper firewall, IOS based Security solutions as a network administrator



LG CNS(Cisco Gold Partner)

• Seoul

• Network Engineer

  • May 2004 - Feb 2008

  Network Engineer, LG CNS(Cisco Gold Partner) 2005 – 2008 Proposed, designed, installed, and operated IP backbone on behalf of major cable operators Key Responsibilities • As Cisco’s Gold partner, responsible for designing and enabling IP backbone of Cisco routers, switches for various types of customers • Delivered technical updates and training to internal and external customers Proudest Achievements • Designed and implemented a few network platforms of internet service providers that were part of Network Integration projects • Acquired extensive knowledge of BGP, OSPF, MPLS VPN, and traffic engineering