Van Thai Email & Phone Number

San Francisco, Ca, Us

San Francisco, California, Us

Own the Data Center Migration to AWS. Architect, build and maintain the AWS network and components for all Environments, User Access, 3rd Party integrations. Resolved OS/Java level limitations to help stabilize Production Service pre IPO. Moved all Network Deployments to DevOps methods utilizing Terraform, ansible, AWS CLI. Solve difficult tasks such as post deployment default KMS key changes, Legacy to Modern service migrations. Modify security as needed. Monitor and Document everything (allocations, diagrams, etc.)

San Francisco, Ca, Us

San Francisco, Ca, Us

San Francisco, Ca, Us

Responsible for all Xoom networks. Acquired ARIN IPV4 /23 block. Designed DR site network in both ATL and Santa Clara and establish new network standard configs. Participate in DC failover activities.Re-engineered old site to new established standard.Re-engineer Internet facing resources for redundancy.Re-engineered F5 load balancing configurations for efficiency and rolling releases.

Sunnyvale, California, Us

Menlo Park, Ca, Us

Network Engineer cooperating to expand and enhance all aspects of Ning's network.

Responsible for ON24 Network and Network Management Systems. Manage day to day operationsof a 2 Data Center, 2 Transit network environment. Develop upgrade path for scalability,High Availability, and security utilizing cost effective yet powerful networkconfigurations. Responsible for all physical and logical devices and data paths includingCisco Routers, Bigip LBs, Foundry Switches, WLAN devices, DS3/GIGE/LAN circuits, OOBaccess, network emulations test bed.Deployed Cacti to replace mrtg system. Generated aggregation graphs and networkWeathermaps. Deployed Opsview for monitoring and traps. Improved view into the state of the network.Can now see in near real time complete network traffic utilization as well as equipmentalerting.Interface ARIN. Acquired new /22 address space, making ON24 less reliant on transit ipspace.Redesign network. New Route-maps for full BGP config. Converted the live/standby state ofthe transit providers to live/live. Deployed OSPF between BGP routers. Develop path toseparate network data types in a flat network into logical vlan configurations.Deployed Message Systems Momentum (Ecelerity) mail delivery management cluster for mailservices.Deployed and customized OTRS for internal ticketing system. Worked closely withoperations team to streamline ticketing process.Generated network and automation tools. Wrote perl script to gather pool memberstatistics on F5 Bigip load balancers. Wrote Expect/Bash script to automate default routechanges and DNS cache flushing for production Sun/Linux servers for Data Center failover. Deployed Lanforge system for WAN emulation allowing ON24 to conduct usability tests forlong distance interactive media streaming applications.

San Francisco, Ca, Us

Responsible for UnitedLayer Network and Network Management Systems. - Sole Network Engineer for over 8 months; - Maintained, built and upgraded all aspects of the UnitedLayer network. - Prepared, configured and executed critical network installations and upgrades (Cisco6500, 10Gig transports, Transit/Peering upgrades). Utilized area technical staff forremote hands.- Supported Cisco 6500s, 7600s, Juniper M series as border/core routers.- Supported Cisco 2948g-l3, 4908, 3550s, 3560s, 4948s, cat400xs for switching/accessrouters.- Implemented and supported BGP, OSPF, policies and acl's for 7+ transit providers, and 5peering exchanges.- Implemented monitoring/maintenance policies, maintained production monitoring systems(Nagios2 on Debian linux). - Implemented traps system (integrated Open Source SNMP trap translator and Simple EventCorrelator with Nagios and snmptrapd on Debian Linux) for interface states deployed onCisco and Juniper routers. - Administered and maintained usage graphing systems (Cacti on Debian Linux). - Implemented aggregate graph templates for multiple interface aggregation views. - Developed Cacti Weathermaps for holistic network views. - Implemented snmp template (XML) for DigiTemp 1Wire temperature monitoring devices forCacti graphing capabilities. - Maintained legacy MRTG graphing systems for customer views (Debian Linux). Maintainednetwork AAA systems (SNMP,Syslog,Authentication - tac_plus on Debian Linux). - Audited IP address space and interfaced ARIN and altdb.net. - Maintained network device DNS and interface reverse DNS (BIND on Debian Linux). - Assisted with training in network provisioning (router/switch configurations, basic customer/peer BGP). - Managed a team of 2 networking consultants.- Developed Visio diagrams to document many facets of the network, including cablingdiagrams, rack diagrams, topology and regional network details.

Diagnosed failed servers in a 600+ Fedora Linux server farm environment.- Identified failures, swapped out hardware, performed data recovery as needed. - Responsible for Data Center build-out (equipment racks, cabling, Air Conditioningissues). - Worked with vendors for server RMAs and problem resolution.- Prepared and installed RedHat / Fedora on new systems.- Managed Layer 2 switches.

Administered UnitedLayer's network, standardized Cisco IOS and configuration,maintained network integrity, topography, authentication and logging. - Supported the build-out and maintenance of UnitedLayer's colocation facilities both inSan Francisco and Los Angeles. - Tested equipment, including routers (chassis/blades), modular router gear and small UPSsystems. - Maintained network monitoring / alerting and bandwidth usage systems on Linux andFreeBSD infrastructure. - Supported customer and new facilities equipment installations and provisioning,including OSPF and BGP design and configuration. - Managed customer accounts including network design and implementation. - Administered DNS for UnitedLayer's network equipment, customers' domains and reverseDNS (BIND on FreeBSD). - Participated in acquisition and integration of small Bay Area ISP. - Participated in Primary NOC duty including interfacing with customers and vendors.

San Francisco, Ca, Us

Completed Bachelor's Degree in Computer Science.

Documented Northpoint's production network using Visio to diagram the physical andlogical components of Northpoint's production network. - Built and maintained a web based repository to make the diagrams available to thecompany using PERL to automate some of the process. - Implemented an ISDN based backup system for network management traffic utilizing Cisco2500s with BRI interfaces.- Implemented intranet / extranet connections for corporate offices including generatingaccess lists for basic security. - Participated in 3rd tier support role for Expansion and Network Control teams.- Took escalations for problems including outages, installation, routing, and internetconnectivity.- Participated in DSLAM regression testing, and training on the use of new features orchanges in the DSLAM interface. VOIP TA testing for voice over frame relay and voice overATM using DSL.- Wrote PERL scripts to automate the configuration and provisioning of DSLAM interfaces. - Joined the IP services group formed to design and implement the Layer 3 network forNorthpoint's content offerings.- Participated in the OSPF and BGP designs and configurations. Installed and deployednetwork nodes in various cities throughout the US.

Provided NOC support for a nationwide ISP, trouble-shooting level 1 and 2 tickets.- Assisted in configuring DNS for hosted customer domains and zones. Assisted in customerinstalls.- Participated in the 24/7 on-call rotation. - Implemented a faxback server, and setup Network56.com web server.

Responsible for WAN administrative support.- Managed Sirius Connections IP Address Space, implemented ISDN and T1 connections forSirius customers, configured, deployed and maintained routing equipment (Cisco, Ascend,Livingston), support for DNS (Bind), and team management.- Implemented new technologies and applications, such as Virtual LAN on Cisco Catalyst,and Channelised T3. - Other responsibilities included correspondence with various equipment vendors and Telcofor purchasing, installation, or troubleshooting purposes, training new WAN employees,documenting the procedures of Sirius WAN department, and basic system administration as