• Working with Juniper devices MX Series, QFX Series, EX Series, ACX Series …• Working with Cisco devices Nexus Series, Catalyst Series, ASR Series• Working with Cisco SD-WAN Viptela, Software define Network (SDN) with Apstra, Cisco ACI• Working with OSPF, ISIS, MPLS, BGP, MP-BGP, VPN Layer 2, VPN Layer 3, VxLAN, EVPN, IP Fabric, MC-LAG, VCF, VC, Multicast, and Switching Technology in Juniper and Cisco devices• Technical Support customers (VNPT, VNTT, VNG, Viettel, Mobifone, Vinaphone, CMC, Ftel ...) to solve the incidents (Network down or Recover services) and Cooperate with Juniper Engineer to find out RCA the issue of hardware / software issue.• Lead projects as CGNAT, BRAS for VNTT, implement Network Core for Vietnix.• Participating in deploy SDN Cisco ACI Multipod for the customers• Support the customer operating DDoS System as Arbor, Corero

• Operating internet telecommunication system including OLT (PON) system, L3 switch for deploying services of ILL, FTTH.• Configuring and troubleshooting L2VPN, L3VPN services base on MPLS, BGP, ISIS, OSPF.• Configuring and operating routers, switches: Cisco(ASR920, ASR903, ASR9006, ASR9010), Juniper(MX-960, MX-480), Huawei, Ciena.• Optimizing traffic network (Domestic/International)• Researching new technology, designing connection model, configuring and operating Core network, Metro Access, MPLS network.• Working with monitoring systems like as: Cacti, PRTG,AMS.• Checking and fixing system problems

Troubleshooted, resolved, and recommended improvement for systems network andsecurity problems at an advanced level across multiple/converged technology solutionsservices and platforms.• Designed, integrated and maintained consolidated network services e.g. switches, routers,firewalls, wireless networks, and network security servers (incl. data center virtualizationand storage software applications).• Planned engineering architecture and the development of technical standards andinterface applications.• Performed capacity and resource planning to evaluate existing network systems torecommend resources and maintain or expand as necessary.• Participated in researching and evaluation of new products and services. Preparedrecommendations for implementation of new systems, procedures, and organizationalchanges.

Installing and configuring computer hardware, software, systems, networks, printers and scannersMonitoring and maintaining computer systems and networksResponding in a timely manner to service issues and requestsProviding technical support across the company (this may be in person or over the phone)Setting up accounts for new usersRepairing and replacing equipment as necessaryTesting new technology