DANNY TRINH
Experience Summary:
Senior System Engineer with 18 plus years of experience in IT.
 10 plus years of experience in managing UNIX servers, Linux, AIX and Solaris.
 Migrating and designing enterprise VMware environment.
 Leading on project to migrate SAP ERP landscape from Windows environment to Linux
environment.
 Integrating Linux and Windows environemt for SAP file sharing.
 Scripting to automate connectivity between systems, vendors, and customers.
 Lead on project to redesign and update an Enterprise VitalQIP DNS/DHCP/IPAM (IP
Address-management) from 6.2 with AIX servers to 7.2 to optimize DNS/DHCP/IPAM
system as a central place to gather IP network data for company-wide network.
 Engineering consultant conducting audits of campus networks to document for network
support, and prepare plans for upgrades.
 Working with QIP extensively to redesigns 10.0.0.0/8 (class A network) to 10.0.0.0/16
networks in QIP. There are 9 QIP/DNS/DHCP servers to take care of.
Education:
Associate of Applied Science in Electronics
 DeVry Institute of Technology, Irving, Texas. GPA: 3.7/4.0. (10/1991)
Certifications/Training:
 VCP5 (VMware Certified Professional on vSphere 5 #135582) (12/01/2012)
 Completed VMware Fast Track V5.0 course (09/24/2012)
 Completed Planning, Deploying, and Managing SCCM 2007 course (04/22/2011)
 Completed Configuring and Troubleshooting a Windows Server 2008 Network Infrastructure
course (02/25/2011)
 Completed Configuring, Managing, and Maintaining Server 2008 R2 course (09/17/2010)
 F5SE - F5 LTM System Engineer certification. (05/2009)
 Security+ certification. (07/2008)
 CCNP - Cisco Certified Network Professional certification. (05/2008)
 Completed VitalQIP Administrator course. (05/2008)
 RHCE - Red Hat Certified Engineer certification. (06/2002)
 LPIC-1 - Linux Professional Institute Certified Level 1 certification. (07/2001)
 MCSE - Microsoft Certified Systems Engineer certification. (1999)
 MCP+I - Microsoft Certified Professional + Internet certification. (1999)
 IBM, Compaq Certifications - Laptops, Desktops, Servers. (1998)
 A+ Certification. (1998)
 Completed Fundamental of Solaris 2.x course from SUN education. (1998)
 MCP - Microsoft Certified Professional for Windows NT 4.0.
 Completed Lotus Notes R4.5 System Administrator 1 course.
 CNA - Certified Novell Administrator for NetWare 3, 4, 5.
 Completed Microsoft Windows NT workstation and server courses.
 CNE - Certified Novell Engineer 3, 4, 5. (1996)
 Completed TCP/IP course at Brookhaven College. (1996)
DANNY TRINH
Technical Skills:
Languages: HTML, DHTML, Miva script, Shell Script, C, C++ PHP, JavaScript, Bash Shell, Perl
Hardware: SUN Sparc, IBM, Compaq, Dell servers, workstations, laptops.
Operating Systems: RedHat, SuSE, CentOS Linux, Solaris, AIX, Novell NetWare
Windows XP, 2000, 98, NT, 95, 3.1x, DOS, VMware, CITRIX Xen,
Ancillary Skills: VitalQIP, IPAM, DNS, DHCP, F5 BigIP LTM; Networking, load balancing,
bonding, trunking; Packet Analyzer, WireShark, tcpdump; Clustering (storage, high availability);
VMware, Xen virtualization; Project management; MySQL, Sybase, CITRIX WinFrame;
TCP/IP, Ethernet/Token Ring, Gigabit Ethernet; SAN storage; Opsware, Splunk, Niksun network
tools; IPX/SPX, NetBEUI, TCP/IP, Hubs, Cisco, Foundry, Dell Routers and Switches, Thin
cable, UTP, CITRIX, Ethernet, RAS, Infoblox, Blue Cat, SAN, DHCP, DNS, gateway, Ghost
Experience:
03/12 – now
Sabre/Travelocity/World Travel
Title: IT Infrastructure generalist / Linux Server Engineer
 Migrating and designing new enterprise rated VMware environment.
 Supporting, managing, and designing BigIP F5 load-balancer systems.
 Managing Linux systems including MySQL, Tomcat, Apache, Nagios, Check_MK, Cacti,
Spacewalk, LDAP, kickstart, DNS, DHCP, Squid, and many more.
 Building customized RPM packages.
 Managing windows systems, and IIS.
 Working with team on 24x7x365 supporting, and as individual project’s owner.
08/09 – 03/12
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Easton-Bell Sports Inc.
Title: Linux Server Engineer – Infrastructure Team
Prepared systems for disaster recovery, and business continuity
Migrated SAP ERP landscape from Windows to Linux environment
Worked on FalconStore and EMC SAN storages (EMC Clariion).
Utilized Multipath, DynaPath, PowerPath for load balancing Fiber Channel connections.
Utilized SANSurfer, EMC Navisphere, EMC Unisphere to manage, and maintain SAN storage
systems, and Linux servers.
Worked on Citrix XenDesktop 5.
Worked on Network Revese proxy and load balancing (nginx) for SAP portal
Builded internal Linux Apache web servers, MySQL servers.
Integrated windows, Linux for file sharing, such as NFS, Samba, FTP.
Scripted to automate connectivity between systems, vendors, and customers.
Created, managed virtual machine on VMWare ESX, XenServer.
Monitored Linux systems with Nagios.
Builded Netdisco server as a tool for troubleshooting network related issues.
DANNY TRINH
10/07 – 08/09
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BNSF Railway
Title: Senior System Engineer II - IP Planning Team
Redesigned VitalQIP, IPAM, DNS, NTP, and DHCP systems (9 Solaris servers) landscape.
These DNS, NTP, DHCP systems serve more than 150 domains, and 80000 IP addresses
networked-wide.
Reorganized 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, and company public networks.
Discoverd existing network devices (routers, switches, bridges) on many sites to plan for
upgrading network devices of the sites, and documenting the networks.
Managed, maintained and updated F5 Load-Balancer systems to 9.4.7 version (4 redundant
pairs, and approximately 50 virtual servers).
Created and designed virtual IP profiles for applications, such as OCS (Office communicator
system), SAP portal environment, virtual DNS which enhancing reach ability, availability.
Maintained Splunk, Niksun, Opsware, NetDisco (Linux Centos) network tools to mange
routers, switches, wireless AP.
Experienced in multiplatform UNIX and Linux environments, with hands-on expertise in Shell
scripting and PERL programming.
Configured and managed FreeNX, Apache-2.2.x on Linux Centos 5.x (Redhat RHEL 5 clone).
Configured and managed Tomcat server on Solaris systems (sub-function of
VitalQIP/DNS/DHCP).
Provided idea, opinion for other groups through Architecture Review Team as a team member.
Documented and trained other teams to use VitalQIP for IPAM, DNS, and DHCP functions.
10/99 – 06/07
Dell Inc
Title: Senior Technical Analyst
 Tested network load balancing, bonding, trunking, SAN, Cluster (storage, and high
availability), Xen virtualization.
 Managed Dell servers, workstations in Linux lab (200+). Tested, troubleshot all Dell hardware.
 Established, implemented, and managed Lab's Gigabit network with multiple routers, switches
from many vendors such as Foundry, Cisco, Dell.
 Managed DHCP, DNS, and TFTP/PXE servers.
 Developed, and maintained internal test suite for testing major services of Linux on all Dell
servers, workstations, such as kernel, web, ftp, tftp, nfs, smb, mail, network.
 Leaded hardware certification project for all Dell hardware (servers and workstations).
 Tested and certified all Dell servers, and worked closely with Red Hat engineer team to ensure
all Dell servers and workstations get posted to hardware.redhat.com as certified systems.
 Leaded, co-operated, and trained worldwide teams to certify Dell servers and workstations on
time for RHEL 2, 3, 4, and 5 released.
 Developed and wrote articles for Dell PowerSolutions, internal how-to documents for
worldwide teams (i.e. http://www.dell.com/downloads/global/power/4q03-tri.pdf).
 Developed automatic tests, installation processes during beta testing cycles, and running
certification tests.
 Tested SAN, storage products such as tape drives, tape libraries, SCSI, iSCSI, and RAID
controllers on multiple OSes such as Windows NT/2000, Novel NetWare, Red Hat/Suse Linux.
 Experience in multiplatform UNIX and Linux environments, with hands-on expertise in Shell
scripting and PERL programming.
 Developed, setup, and tested all storage products with enterprise configuration (mixed
environment).
DANNY TRINH
07/98 – 08/99
CompUSA Inc
Title: Project System Engineer
 Managed all technical support for customer accounts.
 Managed CompUSA Configuration center network (Gigabit Ethernet network) included
DHCP, gateway, Ghost servers, storage servers.
 Developed diskette used to connect to network, test, and install customized systems.
 Troubleshot and tuned network for better network performance.
 Customized install and setup various client and servers software on desktops, laptops, servers
for customers.
04/98 – 07/98
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AmeriCredit Corp
Title: Network Engineer
Researched, evaluated Dial-up networking to integrate CITRIX, NetWare, NT network by
applying RASCAL MODEM board technology (T1, ISDN, 56K Flex MODEM).
Researched, evaluated ManageWise V2.5 for upgrading old version.
Researched, evaluated ZEN Works to manage software and hardware of all PC clients.
Researched possible solutions for Network Tuning and Management project.
Maintained and supported all NetWare servers in multiple sites (130+ servers) included DHCP,
gateway servers.
Maintained and supported backup data through Arcserve, Network wide antivirus, NT servers,
CITRIX servers, Lotus Notes servers.
11/97 – 03/98
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DataTrend Inc
Title: Network Support & Test Engineer
Trained and supported end users (300+ nodes).
Evaluated new software such as NetWare 5, Windows 98, etc.
Totally responsible for maintaining and supporting of 20 NetWare 3.1x file servers.
Responsibilities include planning, designing, implementing, and supporting network of all
facets (DHCP, gateway servers).
Upgraded all NetWare 3.1x file servers to IntranetWare 4.11.
Maintained and supported Windows NT file servers, LAN networking (all facets).
Developed, maintained, all utilities software to test all PC, laptops.
07/96 – 11/97
AmeriCorp Relocation Management Inc
Title: Network Administrator
12/91 – 07/96
AST Research Inc
Title: Computer & Network Services & Support Technician
08/91 – 12/91
X'LNT Diskette Products, Inc
Title: Maintenance Technician
12/90 – 08/91
S.C. Food Services USA
Title: Assistant Store Manager