OBJECTIVE:

To bring my expertise and experience as a Security/Network/System Engineer who specializes in Web Security, Network security and infrastructure, Virtualization, Storage, Cloud service (AWS, Azure, BCC), Windows, Cisco, Barracuda, Linux (CentOS/Ubuntu), LAN/WAN and IT support. Available to work for Swing shift on week days and any time on weekends.

SUMMARY:

• I have 15+ years of experience and extensive knowledge as a network and IT engineer of management and technical support (manufacturing, software) for Government, Law, Financial, technology and Corporation clients.
• Extensive knowledge and hand - on with network protocol, including TCP/IP, BGP, HSRP, NSRP, STP, RSTP, SIP, VLAN, OSFP, MPLS, NAT, SNAT, SNMP, SMTP, DHCP, Wireless, 802.1q (VLAN tagging) and 802.3ad (link aggregation)
• Extensive knowledge and experience in Data Center/NOC (cage) environment, including design and implementation
• Extensive knowledge and operational/tech support experience in Firewall, Link & Load, SSL-VPN, Web filtering, Cloud management (AWS, MS Azure, BCC), backup storage in of redundant configuration and construction of the monitoring system (Naggio, SpiceWorks) and many other technologies, including Barracuda, Riverbed, Juniper, Cisco, WebSense and SonicWALL
• Implement & troubleshoot routing/switching, PBX, VoIP, VLAN/WAN,& GNS3
• Knowledge & experience in MS windows server/exchange/active directory
• Knowledge & experience in Linux (CentOS/Ubuntu), Unix, FreeBSD, Mac OS X, Virtual Box & VMware (ESXi/vCenter/vMotion)
• Knowledge & experience in CRM,JIRA, Salesforce and Zabbix
• Knowledge & experience in MySQL, LDAP, Kerberos and NTLM authentication
• Knowledge & experience in Server configuration in LAMP environment, DNS/DHCP, HA cluster and log monitoring
• Knowledge & experience in packet capture and analysis with WireShark, Charles, Fiddler
• Knowledge of JAVA, HTML, Adobe Frame Maker, QA (loadrunner, QTP) and EMC Openfiler / Backup (Barracuda)
• I also have knowledge of Green & Clean industry standard. Bilingual (Korean) BPI (energy auditor)

PROFESSIONAL EXPERIENCE:

Confidential, Foster City, CA

Sr. NetOps/App Engineer

Responsibilities:

• Design/deploy/support LAN/WAN infrastructure for Philips PACS system
• Manage data centers in North America and Europe remotely
• Support clinical application (iSite, IntelliSpace) for Radiology and Cardiology
• Deployment and Tech support of high end surgical devices and application (DICOM/PACS/Rapsody/ConneRx/HL7)
• Manage Knowledge based solution and and Bug Report Manage Load Balancers (F5, Barracuda, CSS 11501) and Cisco Catalyst & Nexus Switches and Cisco Routers Manage Checkpoint and Palo Alto FW for WAN

Confidential, Foster City, CA

Cloud/Network/Server Manager

Responsibilities:

• Support company and client network and cloud infrastructure
• Manage 3 data centers in SF and Europe remotely
• Manage Servers (Citrix XenApp Server) and application software
• Manage Wireless system (Cisco 2504 Controller and AiroNet Access Points)
• Deployment and Tech support of high end surgical devices and application (DICOM/PACS/Aquarius Servers)
• Manage Solution Datebase (BridgeTrak) and Bug Report Deploy and Manage ERP/CRM system (Microsoft Dynamic AX) and SharePoint/Lync/Office365
• Field installation and update on site

Confidential, San Jose, CA

Lead Securty Product Sales Engineer

Responsibilities:

• Manage Support Web Security cases (Web Filter, WF VirtualX, Web Security Flex), Network Security (SSL/VPN and NG Firewall, Barracuda Firewall and Phion NG Control Center), Application Security (Web Application Firewall), Cloud (Cloud Control) and VoIP (CudaTel)
• Manage knowledge based article portal (solutions) and internal testing lab
• Port Auditing & Scanning & syslog & monitoring system & analysis
• Re - design network topology for pre-sale demo and Initial setup deployment
• Creates bugs and feature requests, and Barracuda online forum moderator

Confidential, Campbell, CA

Senior Tier II E Support Engineer (team lead)

Responsibilities:

• Support Web Security (Web Filter, WFVx, Web Security Flex) Network Security (SSL/VPN and NG Firewall, Barracuda Firewall and Phion NG Control Center), Application Security (WAF & Link/Load), Cloud (Cloud Control) and VoIP (Cudatel) Manage knowledge based article portal (solutions) and internal testing lab Handling escalation cases from Tier 1 A&B&C and Tier 2 A/B/C Dealing with enterprise and premium customers

Confidential, San Francisco, CA

Network Engineer

Responsibilities:

• Deploy/Install/Configure/maintain/troubleshoot server, router, switch & cabling at data center and POP Design VPN, VLAN, STP, VTP, Routing protocols and LAN/WAN Hands on with Cisco router/switch/ASA/Pix, F5 load balancer/Force10 router/switch, Extreme switch Install/maintain/troubleshoot PC's, laptops, PBX and network system management Deliver on site technical service and support for customers remotely

Confidential, Santa Clara, CA

Network Architect

Responsibilities:

• Move & set up computer lab completely. Design And Install/maintain PBX, VoIP, router, servers & switches Configure & troubleshoot OS, PC, server, router and switch Configure & troubleshoot MS applications (exchange/active directory/Window 7 desktop)

Confidential, Cupertino, CA

Linux/Server Engineer

Responsibilities:

• Install & configure network system (router, switch and hubs) Manage Linux Server and MacOS system Customer service and help desk tasks

Confidential

General Contractor, SF/SJ, CA

Responsibilities:

• Manage total package real estate construction Service from design blueprint to buy/sell properties