# Kyuhwan (kyukim) > Principal Engineer, Data Center Engineering at Cisco Location: San Jose, California, United States Profile: https://flows.cv/kyuhwan - 3x CCIE #16957 on Data Center, R&S and SP / MCSE / MCDBA /Lotus CLP - CISCO Data Center Expert on SDN ACI APIC VXLAN/EVPN DCNM - 20 years of IT experience in Computer Network - M.S. in Information System Management, Syracuse University Specialties: Cisco Data Center, N9K SDN/ACI/APIC, Routing & Switching, MPLS,, MS servers. ## Work Experience ### Principal Software Engineer @ Cisco Jan 2026 – Present ### Senior Technical Leader, INSBU Strategic Accounts @ Cisco Jan 2017 – Present | San Jose - Support Cisco INSBU(N9K)'s strategic accounts customers (Hyper Scaler/Cloud), MSFT/Alibaba/ Tencent/Baidu/NAVER/Samsung... - Solve business critical escalated network issues by analyzing problems, engaging required BU resources, and steering the direction of troubleshooting and necessary hardware and software fix - Constantly work with DE/QA/Marketing/PM/Manufacturing teams to improve serviceability and HW & SW quality of N9K product - Actively engage with sales teams to develop next-generation data center design and support strategy for customers - As an SME for VXLAN/EVPN/SDN/DCNM/NDFC, train global technical support teams ### Technical Leader, Routing & Switching Leadership (TAC Escalation) @ Cisco Jan 2015 – Jan 2017 | San Jose, CA - Cisco TAC Escalation Engineer on Routing & Switching - Mainly focused on DC virtualization/routing, VXLAN/EVPN, FabricPath/BGP, and Cisco DFA/DCNM solution on N3K/N5K/N6K/N7K/N9K with VMWARE - Trained TAC RP/DCSW teams globally for VXLAN/EVPN/DFA and worked on highly escalated cases. - Cisco Live Speaker for deploying and troubleshooting VXLAN/EVPN in 2016/2017/2018 ### Technical leader, Engineering, Data Center Customer Operations Group @ Cisco Jan 2013 – Jan 2014 | San Jose BU escalation engineer in Cisco acts as “The last defense line” for each Cisco Platform. Only critical business impacting cases are escalated from HTTS/TAC to BU Escalation by Cisco Sales/Account Executive BU escalation works directly with Cisco developer team to provide ultimate solution to customers. Main support platform has been Nexus 3000/3500, Nexus 9000 Standalone, then changed to Cisco new SDN solution, “ACI/APIC” since July 2014 ### Customer Supporter Eng, SJ TAC, Routing Protocol @ Cisco Jan 2007 – Jan 2013 As a specialist (Tech Lead) in Routing protocol team in CISCO San Jose Backbone TAC, provides technical support and work on escalated cases for RIP/EIGRP/OSPF/BGP/MPLS/EoMPLS/VPLS/NAT/ HSRP/ VRRP/ PFR/ DMVPN/ Nexus VPC/OTV on Cisco IOS/NX-OS platforms (ISR/7200/6500/7600/ ASR/ ESR/ GSR/Nexus7K/5K/3K/2K). Trained global TAC teams for Routing/Multicast/OTV/MPLS on Nexus7K/5K/3K and 7600/6500 Developed and delivered 3 days training course for TAC/HTTS engineers for MPLS HW FWD troubleshooting on all Cisco Platforms(except IOS XR) ### Network Engineer in Data Network Team @ The Vanguard Group Jan 2004 – Jan 2007 The Vanguard Group is No. 2 Mutual Fund company in the world Worked in Network Operation/Deployment - CCNP and CCIE R&S Deploy and troubleshoot CISCO Switches and Routers (6500, 5500, 7200), PIX FW and F5 loadbalacer to this financial data center ### Technology Specialist in Desktop/Server team @ The Vanguard Group Jan 2000 – Jan 2004 Played several different roles in Desktop/Sever team Deploy/support Microsoft applications over MS SMS for 1 year – MCSE on W2K Work in Lotus Domino Server team for 2 year – Lotus CLP on Notes 5 ### Senior Network Engineer @ System Advantage Inc Jan 1999 – Jan 2000 | Alexandria, VA, USA SAI is the network consulting company in DC metro area for small-mid size business Provide pre/post-sales support for various business clients (MS severs and Cisco router/switch) Served as Cisco CCNA Academy instructor ### Executive Officer(XO) for Aircraft Maintenance (Rank: First Lieutenant) @ 212 Flight Training SQ, Republic of Korea Air Force Jan 1993 – Jan 1996 | Chungju, South Korea Responsible for the management of day-to-day aircraft maintenance operation/planning, work control, quality control, and logistics management 25 Aircrafts, 100 Crews ( 7 warranty Officers, 45 N.C.O), +$2M annual budget Support basic flight training for ROKAF, 60 sorties per day Achieved “No accident for 100,000 Flight hour” in 1996 and received unit commendation from Air Force Chief of Staff ## Education ### M.S. in Information Resources Management Syracuse University ### BS in Industrial Engineering Sungkyunkwan University ## Contact & Social - LinkedIn: https://linkedin.com/in/kyuhwan-kyukim-72119312 --- Source: https://flows.cv/kyuhwan JSON Resume: https://flows.cv/kyuhwan/resume.json Last updated: 2026-04-12