1. Yat “Calvin” Chow
508 Morrisett Ct SE
Leesburg, VA 20175
Cell 703-855-3092
Email Chowy@yahoo.com
EDUCATION
University of Phoenix, Master of Science - Computer Information System, 12/2004
Ohio University, Bachelor Degree in Mathematics, 9/1992
ACCOMPLISHMENTS AND RESPONSIBILITIES
• Research and develop cloud based solution
• Team lead of an 8-member SA team to install, configure, maintain several
virtualized labs with over 2,000 virtual machines to support Verizon video media
services platform.
• Hands-on experience in the automation of FiOS/DSL testing lab using PERL,
TCL, MySQL and XML-RPC over Apache and Linux platform.
• Hands-on experience in managing data center with respect to system locations,
cooling and power monitoring and system repairs.
WORK EXPERIENCE
Verizon Wireless
DMTS – MTCE Automation System Engineer
Reston, VA
10/2016 - Present
(TBD)
Dimension Data Cloud Computing, Product Engineering
Ashburn, VA
Sr. Systems Engineer - Linux
5/2014 – 10/2016
• Developed the methods and scripts to deploy virtualized network appliances
system which do not conform to VMWare customization deployment process.
• Provide L3-level application supports for the Cloud Control system with data
management over multiple MySQL databases system.
• Deployed ScienceLogic EM7 monitoring system across the globe; wrote technical
documentation for installation, configuration and troubleshooting of the system.
• Advise and develop solution to solve either OS or cloud platform issues for the
clients. As both the Ops and DevOps engineer, developed PowerShell, BASH,
VBscripts to automate the deployment and QA of standard OS templates over
REST API. Expanded the Smokeping network monitoring system; and,
established the proper documentation on Wiki in regard to the inventory and
installation of the platform.

2. Verizon Communication, Core Technology/NAIM - VDMS Project
Ashburn, VA
Distinguished MTS-Technology
5/2012 – 5/2014
• Team lead for a team of 12 system administrators; responsible of the deployment
of major system such as Rhozet, OpenText, Aspera Enterprise/Sync/Simple Sync,
Signiant, Apigee, Telestream, Portal/SSO, Baton, Origin Servers, Live Linear,
IBM, HP Data Collector and DMP in VMWare vCloud virtualized environment.
• Review lab entry IRQ and MoP, submit firewall and load balancer requests.
Troubleshoot application and servers issue with the WebSphere team.
• Provision customer accounts with storage spaces, configured Origin servers for
streaming, configured Aspera Sync and Enterprise Servers. Provisioned storage
spaces with NetApp System Manager or via TCL scripts
• Provide hands-on OS (Linux or Windows) level supports, file system
management (LVM or NFS), Microsoft IIS or apache configuration,
• Integrated Linux with Windows Active Directory; use GPO and SAMBA to
manage system level accesses.
• Support production deployment with installation and configuration
documentation.
Verizon Communication, Core Technology/SIT – DCDS Project
Ashburn, VA
Distinguished MTS-Technology
12/2009 – 5/2012
• Led a team of 7 system administrators and contractors in support of DCDS project
in VMWare virtualized environment and managed the hardware installation and
network cabling of the data center.
• Deployed HP C7000 chassis into the data center; installation of VMWare
ESX/ESXi, configured vCenter Management system and setup Windows Active
Directory/DNS servers to create UCDS, Colab and UCDS/UCDS Edge
virtualized environment.
• Configured NetApp NAS filers network interfaces, provisioned storage spaces via
TCL scripts, manages export policy and managed hardware repair.
• Deployed Signiant, Aspera Enterprise and Connect Servers, installed Core and
iVAPP Java components into WebSphere Application Servers, installed MQ
queue per MoP, upgraded Rhozet transcoders, deployed Nagios monitoring
services, deployed Envivio Live Linear Muse transcoders and Origin Servers.
• Deployed WAS, WPS, WSRR and BPM system on Red Hat platform; created
cells and nodes and cluster; deployed WAR files across nodes. Troubleshoot
message queue problem, restart nodes via node manager. Maintained LMT
system and provided monthly licensing reports.
• Provided daily OS support on RedHat Linux and Windows 2008; and off-hour
trouble shooting support for Production related problems

3. • Trained members on using TCL scripts to create Linux users, provisioned storage
spaces, configured VLANs on HP VCM and VMWare ESX via SSH Shell.
Verizon Communication, Core Technology/SIT – DCDS Project
Ashburn, VA
Distinguished MTS-Technology
7/2000 - 11/2009
• Developed the DMS system that automates network configuration in support of
FiOS/DSL testing with hands-on programming using TCL/Tk, Expect, PERL,
PHP, Visual Basic .NET and MySQL.
• Developed the plan for disaster recovery for HP Quality System and MS SQL
2005 database using Double-Take High Availability system.
• Developed a Windows client application with Visual Basic .NET 2008 that
communicates with the IPPT system via web service (SOAP) calls to identify the
ISO image the Symantec Ghost system would need to image onto a PC.
• Installed and configured Oracle 10g clustered system on a pair of clustered HP
DL580 running RHEL 4.8 AS with HP EVA 2000 as the SAN storage. Migrated
the data from a HPUX and Oracle 7 system. Installed and configured the HP Data
Protector to run daily tape backup and wrote Korn shell script to do Oracle
RMAN backup.
• Automated line speed checks tool with Web100 and NDT; and security checks
using NMAP and Nessus scanning tools.
• Built an in-house VoIP PBX solution using Asterisk Open Source software on a
Linux Fedora 2 platform with Digium T1 card on a channelized T1 circuit.
• Setup a simulated corporate network with POP/IMAP email server, DNS server,
Domain Controller, and CIFS/NFS file sever in support of the VPN testing over
home routers.
Bell Atlantic Internet Solution
Reston, VA
System/LAN Administrator
4/15/1999 – 6/2000
• Managed various Solaris 2 or 7 and Windows NT or 2000 based system that ran
Internet web sites, Sybase and Oracle databases, and Weblogic application server.
• Installed and configured various RAID devices on HP DL380 or Sun Fire system
with internal mirrored disk system. Planned and implemented firmware and
patches updates to minimize production downtime.
• Migrated the DSL ordering system from a PERL based application server to a
clustered Weblogic Java based solution. Managed code releases and fine tune the
WebLogic performance.
• Led the migration of platform upgrade of the Personal Web Space from an IRIX
to Sun Solaris system with integration testing of various database and LDAP
system.
• Migrated the Personal Web Space system to use LDAP authentication.

4. • Supported the Y2K testing and firmware/patches installation for production
system.
• Led the re-wiring of the lab network; and migrated to a Cisco Catalyst 5000
switching system.
CDA Inc.
UNIX System Administrator
Reston, VA
3/1/1998 - 4/14/1999
• Served as a UNIX System Administrator at client site, provide both system and
network support to Testing & Integration lab.
• Daily function includes user accounts administration using NIS+; maintain
workstations, servers and network equipment. Install and configure Sun systems
or disk arrays according to design architecture utilizing Jumpstart. Implement
security fixes such as applying patches, TCP_Wrapper, Tripwire and Process
Accounting. Monitor system backup and performed files restoration Legato
Networker.
• Configure and tune system for Sybase database. Create Stripped/RAID-5 disk
partition/volumes as to increase database performance. Performed high visibility
testing by configuring redundant/mirrored system and data disks for disaster and
recovery.
• Increased network bandwidth on the internal LAN by moving from a share hub to
a dedicated switch network. Upgraded both the hardware and software on
several Cisco 4500M routers and Catalyst 50000 switches. Planned and executed
the network migration as to minimize downtime. Handle IP address assignment
and maintain the Cisco 2500 routers as well as the NIS and DNS servers.
• Performed VPN tunnel testing using Cisco 4500M access router. Setup network
and dialup server, Cisco AS5200, to support third party such as Lucent
Technology and Indus River for additional VPDN trial testing.
Calnet Inc.
UNIX System Administrator
1/1998 - 2/1998
• Served as a UNIX System Administrator on ADSL (Asymmetric Digital
Subscriber Loop) project at Pulse Communication, Herndon, Virginia.
• Maintained, configured and tested the Service Access Multiplexers (SAM) which
monitor incoming signal from ADSL modems and map Virtual Circuits to the
NSR (Network Service Provider & Router) utilizing L2TP (Layer 2 Tunneling
Protocol).
• Deployed web-based WavePacer NMS (Network Management System) to browse
or maintain routing tables, network statistics, and equipment performance.

5. • Configured and tested various hardware equipments such as Sun Ultra
workstation, ATM, 100Base-T LAN adapters and ADSL modems.
Data Systems Analysts
Senior Engineer
10/1997 - 12/1997
• Served as the lead UNIX System Administrator and Security Engineer on the
• Defense Information System Network (DISN) Switched/Bandwidth Manager
Services - CONUS (DS/BMS-C) project.
• Ensured the network security and the proper encryption using Cylinks’
SecureManager 3.01B for SDU (Secure Domain Units) program. Controlled user
accounts through Security Dynamics ACE Server software.
• Automated system-auditing procedure using Korn shell scripts and Secure Shell
(SSH) 1.2.20 networking tool. Established and documented file backup
procedure for all systems.
• Troubleshoot Log Management System (LMS), an Oracle 7.1.3 program that
deposit all auditing data in a relational database. Provided administrative support
and training during the development and testing of the LMS * Installed and
upgraded Storage Array software application, Sun Volume Manager version 2.4;
and, configured SPARCStorage Array to stripped-mirrored volumes.
US Army
System Analyst
12/1992 – 8/1997
• Worked as PC Support manager in support of Personnel Command, US Army.
Repair hardware problem, provided network support and mentor junior soldiers
on a wide range of professional and personal issues.
• Provided system support to VAX and later Sun OS 4.1.3 system for the Army
Reuse Center software repository system. User administration, QA supports,
system backup and restore; and, software system and database migration.

6. • Configured and tested various hardware equipments such as Sun Ultra
workstation, ATM, 100Base-T LAN adapters and ADSL modems.
Data Systems Analysts
Senior Engineer
10/1997 - 12/1997
• Served as the lead UNIX System Administrator and Security Engineer on the
• Defense Information System Network (DISN) Switched/Bandwidth Manager
Services - CONUS (DS/BMS-C) project.
• Ensured the network security and the proper encryption using Cylinks’
SecureManager 3.01B for SDU (Secure Domain Units) program. Controlled user
accounts through Security Dynamics ACE Server software.
• Automated system-auditing procedure using Korn shell scripts and Secure Shell
(SSH) 1.2.20 networking tool. Established and documented file backup
procedure for all systems.
• Troubleshoot Log Management System (LMS), an Oracle 7.1.3 program that
deposit all auditing data in a relational database. Provided administrative support
and training during the development and testing of the LMS * Installed and
upgraded Storage Array software application, Sun Volume Manager version 2.4;
and, configured SPARCStorage Array to stripped-mirrored volumes.
US Army
System Analyst
12/1992 – 8/1997
• Worked as PC Support manager in support of Personnel Command, US Army.
Repair hardware problem, provided network support and mentor junior soldiers
on a wide range of professional and personal issues.
• Provided system support to VAX and later Sun OS 4.1.3 system for the Army
Reuse Center software repository system. User administration, QA supports,
system backup and restore; and, software system and database migration.