SUMMARY

• Over 13+ years of experience in designing, deploying merging and managing networks and upgrading systems, including various brands of hardware, software, networks devices, servers and peripheral equipment
• Extensive experience in Windows 2012, 2008 & 2003 Servers at single or multi domain platforms, Exchange 2003, 2007 & 2010
• Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, RIS, WSUS and Exchange Mail Server, Barracuda Spam firewall, Symantec VERITAS backup, McAfee Endpoint encryption, proxy server, DS3 cloud backup solution
• Motivated, enthusiastic, and pro - active Server/Network Administrator with an excellent 'can-do' attitude
• Knowledge in with Virtualization technologies such as VMware vSphere and Citrix
• Experience in various network monitoring tool to assist the company network run smooth
• Extensive experience in all kinds of networking equipment, FatPipe WARP unit WAN aggregator, WatchGuar Firebox, Fortinet, ZyWall, SonicWall, Checkpoint firewall, Palo Alto, F5 load balancer, Revierbed steelhead WAN accelerator, Cisco firewall ASA 5540, Cisco router, Cisco catalyst switch 3500, 4500, 6509 Cisco switches WCS & WLC… etc… Such as: Configuration of firewalls, routers, layer 3 switches, VLANs, Wireless LAN Controller, access point, VPN tunnels, Cisco AnyConnect, IPsec, MPsec, MPVPN, Content Filtering, QoS, DMZ, Web/content filtering, PBX system, MultiTech VoIP … etc…)
• Experience in Data Center/Server Farm environment like Servers deployment, Cabling & labeling maintaining AC cooling, Environmental Sensing Devices, power and UPS monitoring.
• Strong communication and people skills, both written and verbal in English and Chinese. Able to assess and resolve client issues quickly. A proven record of reliability, the ability to perform under time constraints, and good judgment under pressure.
• Ability to maintain a reliable and methodical approach to support and Documentation. Quick learner, highly motivated team player with excellent organizational and analytical skills.
• Cisco CCNA Routing & Switching Certified. Currently Pursuing CCNA security, CCNA wireless, CCNA Datacenter. Checkpoint CCSA.

PROFESSIONAL EXPERIENCE

Confidential

Network Engineer

Responsibilities:

• Design, implement, deploy, manage, maintain, and administrating organization network infrastructure nationwide
• Decommission of old network infrastructure and migrate to a new network design, also migrate from the old datacenter to a new datacenter
• Deploy, manage and maintain Checkpoint 4600 firewall HA, Cisco nexus 5K + 2K HSRP and vPC, Cisco ws-c3850 layer 3 switches stack for physical and logical redundancy, failover and link aggregation
• Install and manage dual ISP on every site for internet redundancy / load balancing
• Implement and maintain Checkpoint site to site VPN, 1Gbps point to point link and MPLS among all remote sites and datacenter for internal connectivity
• Implement OSPF throughout the whole network for dynamic learning and automatic failover among point to point link, MPLS and site to site VPN
• Manage and maintain Amazon Cloud AWS VPC and tunnels.
• Install and manage Solarwinds Orion, network performance monitor, network configuration manager and netflow to monitor all network nodes
• Deploy and maintain Array Network AG1000 for users VPN RDP solution.
• Implement and manage APC AP8941, AP9537 PDU and AP7721 transfer switch for A B power redundancy in datacenter + remotely reboot any hanging devices
• Install and maintain Cisco meraki wireless AP for offices
• Deal with different vendors daily and constantly researching for new technology to seek improvement for company network

Confidential

Network Administrator

Responsibilities:

• Manage, maintain, and administrating organization network infrastructure, including all Windows servers and network device, such as MS Server 2008 and 2012, MS Exchange 2010, BES server
• Manage and maintain VMware ESXi, AVAYA Communication Manager, and VoIP phone system, Red Box VoIP recording, Zix corp secure email, WebSense
• Manage, maintain, and administrating Cisco ASA firewall 5505, 5510 & 5540 active/passive cluster, Cisco Router 2821, Cisco catalyst Switch 2960G, 3560x, 3750x PoE, 4507R+E PoE, Cisco 2106 WLAN controller and Cisco Aironet 1042 AP
• Implement SolarWinds Orion network performance monitor, Helpdesk ticketing system, Log & Event Manager, NetWrix Active Directory auditing, Spiceworks
• Manage, maintain and implement McAfee ePO 5.1, anti-virus 8.8, endpoint disk encryption 7.1, files and folder encryption 4.2
• Manage and maintain backup power generator line for all critical network devices and servers in case of power outage from the primary power source.
• Tier 3 support for helpdesk when trouble tickets are overwhelmed or helpdesk and desktop support not able to resolve the issue. Support users in Windows 7 & 8 environment, Microsoft Office 2010 & 2013, MS office 365, Apple iPads, iPhones
• Deal with different vendors and ISPs for daily network operations
• Documentation for HIPAA compliance auditing

Confidential

Network Administrator

Responsibilities:

• Manage and maintain company global server systems and global network infrastructure
• Ensuring 24x7x365 network uptime for LAN/WAN and all VPN tunnels between offices around the globe
• Using GNS3 simulator to create a hybrid network and implement new VLAN and routing concepts for Datacenter and other offices
• Manage, install, implement and maintain Cisco router, layer 3 switches, Cisco WLAN controller, Cisco wireless access point, WatchGuard firebox XTM series, fire clustering for high availability in BOVPN and multi-wan, FatPipe link aggregator to provide highest levels of WAN optimization, MPSec, multi-link redundancy, failover, dynamic load balancing & MPVPN
• Build, install and deploy network monitoring tools for the company to monitor network utilization and system stability, availability, performance and entire network infrastructure around the globe with Network Instruments Network Observer Suite and remote probes, WireShark and other monitoring tools
• Manage and Maintain PBX phone system, VoIP (MultiVOIP MVP41)
• Using APC AP7752 Automatic Transfer Switches to provide redundant electricity from primary ConED line and Emergency power backup generator line for all data center servers and network devices, using APC AP7900 Switched Rack PDU to remotely reboot all hanging firewalls, routers, link aggregators
• Level 3 support for helpdesk when trouble tickets are overwhelmed or helpdesk and desktop support not able to resolve the issue. Support users in Windows 7 & 8 environment, Microsoft Office 2010 & 2013, Microsoft surface Windows tablet, Windows phone 8, Apple iPads, iPhones, Android phones…etc… Knowledge of Microsoft server 2012.
• Deal with different vendors and ISPs for daily network operations

Confidential

Network Management & Service Desk Management

Responsibilities:

• Support and lead implementation of Confidential ’s growing system and network infrastructure
• Monitoring of system stability, availability and performance
• Ensuring 24x7x365 operation of internal and client systems
• Assist in developing scalable network and system designs, solutions, policies, and recommendations by working with a team of Network, Windows, System, UNIX and Apps engineers
• Identify, evaluate and recommend network related tools and emerging network technologies
• Responding to trouble-tickets via an internal application and/or phone reports
• Multi-vendor routing and switching. Routing Protocols: RIP, OSPF, BGP, EIGRP, HSRP
• Work with F5 Load Balancer and Riverbed Steelhead WAN Accelerator Technologies
• Interact with clients and service providers to ensure timely correction of network issues
• Proactively monitor the health of various Clients’ servers with automation scripts from the NOC
• Investigate on alerts generated by network devices such as router, switches and servers
• Perform thorough analysis and troubleshoot clients’ daily computer, server, router, switch and printer issues
• Active Directory Administration and Management for merged company domains
• Manage Windows server 2003 & 2008, Exchange 2003, 2007 & 2010
• Manage, assign and dispatch different team members for various assignments
• Create Recover Point replication in multi-site environment
• Generate, manage, and resolve tickets by using the company ticketing system

Confidential

Network Administrator

Responsibilities:

• Provided expert-level design, installation, configuration, and consulting services for the local area network administration, including components such as switches, routers, links, cabling, operating systems, VPN, authentication servers, directory systems and systems management
• Provided extensive system maintenance, tier 3 back-end support, E-mail support and Active Directory support, DFS, GPO, SMS packaging. Also provide tier 1 and tier 2 desktop supports as needed
• Developed network infrastructure plans in support of business initiatives
• Deployed, upgraded and maintained bank applications, software and OS, Windows XP pro, Windows 7 enterprise
• Designed, Installed, implemented and maintained Microsoft server 2003 and 2008 infrastructure, File server, AD Server, DHCP server, DNS server, printer server, Terminal Server, Hyper V, ghost server, proxy server, SAN box, Guardian Edge encryption server, WSUS server, Exchange Server 2003 and 2010. Server migration from MS 2003 to MS 2008
• Setup test environment for Microsoft Exchange 2010 for the bank to get ready for migration
• Created backup sites and disaster recovery environment for emergency or disaster usage purposes. This includes creating an identical working environment in a different location on a passive mode with file replication among all branches
• Performs 24 x 7 support processes for all facets of network server based systems
• Created daily backups with encryption. Migrate from backup to tape using Symantec Veritas to the cloud with DS3.
• Encrypt all portable devices bank wide with Guardian Edge Encryption server and software
• Knowledge of Cisco routers, switches, Cisco IP phones, Citrix and VMware
• Configured, installed and maintained Barracuda spam firewall, Barracuda Web filtering, Proxy server, ATM machines, credit card machines, check image machines and wireless access point throughout the whole bank
• Dealt with various blackberry devices, PDAs, Google Android phones, Windows mobile phones and Apple iPhone, iPad
• Used Various bank hardware and software to manage and monitor bank machines and devices in different branches and back offices. Setup wireless access for the bank in different branches.
• Built over 20 servers with 15TB storage each in Raid 5 put in each local branch for storage space with a very low budget
• Create IT security policy for IT department to follow standard procedures and protocols
• Review and input IT budget yearly to upgrade the company network
• Review and interview candidates for IT engineering position for the bank

Confidential

System Support / Field Engineer

Responsibilities:

• Constructed hardware configurations, software development, all facets of computing connectivity and cabling
• Provided extensive network maintenance, Desktop support and Helpdesk level 1, 2 and 3
• Identified, researched, and resolved technical problems
• Installed and maintained File server, AD Server, Exchange Server, Terminal Server, Citrix server, E-mail support and Active Directory support. SMS packaging
• Created disaster recovery environment for emergency usage purposes
• Installed and maintained Microsoft software, including MS Office, Visio, FrontPage, and Windows 2000 OS, Windows XP, Vista and MS Sever 2000 and 2003 (Standard & Enterprise Editions)
• Dealt with various phone devices, PDA, blackberry, including Confidential, Cingular, Verizon, Nextel, AT&T and Sprint
• Designed, implemented and administrated MS server 2003 Active Directory Services Infrastructure
• Installed, configured and maintained firewalls, routers, switch, Baracuda spam firewall wireless access point and wireless extender, Symantec PCAnywhere, Symantec Anti-Virus, AVG, McAfee
• Upgraded all workstations to the latest hardware and software to ensure optimal speed at each workstation to ensure quality of a client’s job performance and convenience
• Migration of NT servers and server 2000 to MS server 2003
• Managed clients’ accounts closely and provide the best technology solutions to benefit their business
• Usage of Microsoft office 2000, XP, 2003 and 2007, Word, Excel, PowerPoint, Access, Outlook, MapPoint, Visio, Frontpage, Symantec PCAnywhere, Symantec ghost, Symantec Anti-Virus, Symantec WinFax Pro, AVG, McAfee anti virus and spyware, Roxio, Nero, N-able, NEWT Professional and many other applications
• Data center, helpdesk, monitored traffic for all servers and workstations