Tom Nguyen

2805 Creek Valley drive Garland, TX 75040 

Cell:972-523-9187 Home 972-767-7696 E-mail: tom759@gmail.com

PROFESSIONAL SUMMARY

 

·               Progressive experience with IPTV project with triple plays service in voice, data, and video for AT&T U-verse HON (Home Optical Networks) by using FTTN, ISAM FTTU technologies.

·               NOC Engineer; Prepaid cards platform technical support Engineer and project management.

·               Telecom background with system level troubleshooting, maintenance and technical support in:  Pre Paid, MMS, SMS, IP, SS7 Transport, Service Layer, and Content platforms

·               Understanding of alarming systems at the hardware, application, network, and OS level.

·               Testing FTTC access system which converted to the new Gigabit Passive Optical Network (GPON) FTTP ( GPON SFU ONTs, GPON MDU ONT and TA5000 CO based OLTs).

·               DSLAM such as TA5000, 7330, 7340, 7342, and BLM 1500 Ericsson to perform HON test cases.

·               Extensive problem-solving skills in QoS, multicast, Unicast, VOD, SIP, VOIP, and CMS system administration for 2wire (PACE).

·               Established a TL1 session using the 5526 AMS; Perform SHUB bulk provisioning using CLI management application.

·               Backup or restore the 7342 ISAM FTTU; Copy a 7342 ISAM FTTU backup file.

·               Edit port parameter by using TL1; Create a VDSL profile; created a bandwidth profile.

·               Configure the alarms configuration template; Reset the equipment by using TL1.

·               Test Plan and Test Cases development, test execution, analysis and debugging during interoperability testing of Light speed with ATT infrastructure.

·               Report and verify bugs, creating steps to reproduce the problem in Rational Clear Quest system with detail bug analysis.

·               Report and lifecycle traceability for better visibility based on network requirements to design and developing test documentation.

·               Understanding and testing traditional 10 Mb/s Ethernet, 100 Mb/s Fast Ethernet, as well as 1000 Mb/s Gigabit Ethernet.

·               Understanding equipment configuration power requirements, cable running lists, site information, floor space and rack placement, and Bill of Material (BOM).

·               Project management and system implementations, system installations and work with Alcatel test team to turn up router, switch 7450/7750 and 5020 Alcatel Atrium system, 3G wireless equipment like WSS and WMG, provide remote management for customer from CO to their remote office.

·               OSI Network troubleshooting layer 1, 2 and 3; Understanding IP sub netting.

·               Knowledge Acme Packet: voice, video and multimedia sessions across IP network borders.

 

 

SUMMARY OF SKILLS

 

·               PROGRAMMING LANGUAGES: Pascal, ASP, DHTML, JavaScript, Domino Script, SQLCI/TACL programming of Tandem/Compaq system, SQL Oracle, Paradox Database, Sun workstation (UNIX SPD network).

·               PROTOCOLS: TCP/IP, SIP, VoIP, XML, HTTP, TR-069, DHCP, DNS, MEGACO, femtocell,  VDNASB, SS7, RTP, FTP, Radius/NPS, NTP, Wireshark packet analyzer.

·               PLATFORMS: DEX 200/400/600/600E, Light speed access system like 7330, 7340, 7342, and BLM1500, MS DOS, Windows 7, Windows 2008, Linux/Unix.

·               APPLICATIONS: AMS, CMS, MS applications 2010, Tcl, MQC, domino automation apps, IPTV compassion device for STB testing, RTP capture, web database such as Rational Clearquest, MQC-HP quality center, Ethereal, Wireshark, MS applications.

·               TOOL: Spirent SmatBits: test, simulate, analyze, troubleshoot, develop and certify network infrastructure, INET SS7 rack/remote, T-bird, Sage test box, DVM/AVM, frequency analyzer, RJ-45 tester, used a network protocol analyzer capturing messages for troubleshooting purpose and other equipment such as Shenick DiversifEye.

 

WORK HISTORY

 

Ericsson (Contractor) Plano, TXFeb 2014- Feb 2015

As a System test Engineer: Test and verification DSLAM Adtran TA5000, AOE (Advanced Operational Environment), ECIL (Ericsson Common Integration Layer) duties including:

 

o         Provisioning triple plays: video, voice (GR303,TR08, and CVOIP), and data.

o         Created and executed test cases; Opened/ tracked defectives in Jira.

o         Tested VDSL-2 spectrum and line profiles: UVClass 8-18.

o         Used TL1 and CLI to provision SFU (TA421X/TA421xw) and MDU

o         Proficient in functional test, regression test, user acceptance (UAT), end user testing, site testing, sanity testing, system integration, load capacity and performance testing.

o         Analyze and solve any Network hardware/software problems and Perform End to End connectivity Testing.

o         Provision AOE GUI to Monitor TA500x and ONTs

o         Knowledge and working experience in test planning, test strategy, test case writing, test execution and results analyses, system testing metrics and software quality assurance best practices and methodologies.

o         Used CMS to maintain software load for all RGs in ATT labs for the team.

o         Testing AOE GUI which is used to manager the ADTRAN equipment.

o         Testing ECIL which is application provides an interface layer between OSS and the AOE. Also testing Northbound OSS systems and provides the northbound interface (NBI).

 

 

Verizon/IBM( Contractor)     Dallas, TX                                      Oct 2012-  Feb 2014

Software applications regression tester: AT&T AVPN managed CE router with wireless access (End to End testing); Ordering, Provisioning, Inventory, and Reporting System:

o Sale and Contracting systems: ABCON, ROME, ADOPT, IGLOO, GCSM, PC Gloves.

o Ordering systems: ASOC, GIOM, USRP, EFMS, ICORE, NC3.

o Billing Systems: BP3, GAM3, CADM, and GBP.

o Provisioning Systems: NISE, BPP, LPP.

o Configuring sufficient access, port, CoS package, and CPE port…

o Parsed metric logs:  Network check, Time stamps check, perform service validation…

o Tested Functional requirements for DVR such as recording, schedule of conflict, validates the request…

o Used Motorola DAC, HPQC, QMetry, JIRA issue and bug tracker.

o SIP methods troubleshooting messages: Invite, ACK, Options, Bye, Cancel, Register with SIP response codes like Success, redirection, client error, server error and global error.

o Tested CVOIP and BVOIP for ATT U-Verse project.

 

 

Alcatel-Lucent                                  Plano, Texas               June 2005 – June 2012

System Test Engineer

o     In-depth experience of writing Test cases and Test Plan, prepare MOP.

o     Perform suitable testing methodologies, tools, standards and procedures.

o     Perform functional, regression, system integration tests.

o     File, track defects and create system test reports by Clearquest web database.

o     Testing CPE and STB functions and applications, report software bugs.

o     VOIP and QoS testing for all CPE of all access nodes from Light Speed network.

o     Trunk Provisioning for CVOIP, Video and data in access node 7330, 7340 and 7342.

o     Knowledge and experience troubleshooting translation resolution issues in large, carrier grade, multisite network deployment using Wire shark and CDR Trace.

o     Creating, implementing and maintaining all translation scripts and tables.
 

Goodman NetworksCarrollton, TexasJan 2002 – June 2005

Switch Service Engineer/ Project management.

o     Install, test and tune-up switching systems such as Alcatel 600/600E, Motorola EMX 2500/5000, ATM-7470/7670 MSP, STP, 8790 SCP, 8788 MRP, 7450 ESS-7, 7750SR-12, 7330, 7340, ADSL 1000 and ASAM 7300.

o     Install 5020 Alcatel Atrium systems: Soft Switch (WSS) and Gateway (WMG). Hardware such as SIM, DDM, CCM, IPM, SAM, Sun Fire V120 and SUN Netra120/240 hardware and software. T1, clock cable and fiber jumper installation and test for AT&T.

o     Ensure that the agreed implementation schedules and guidelines are followed and enforced.

 

MCI Richardson, Texas July 1999 – Dec 2002

Technical Support Engineer/ Implementation Management

o Administer announcement for product process, deployment, test, and verification.

o Capacity planning; manages and support project implementations.

o System administrator for Tandem-Compaq system.

o Project Management and system administrator.

DSC                                          Plano , TX                                                            July-1989- June 1999

System test Technician and CTAC  Technical support Engineer

o 600/600E Megahub system test and technical support.

o STP system test and technical support.

o Software and hardware upgraded for customer sites.

o Helped customers solve technical issues.

o Communicating customer needs and wishes to our development and engineering staff.

 

EDUCATION

 

University of Texas at Dallas, Texas - B. S. in Business Administration, 1997.

Richland College, Richardson, Texas - A.S.E.T with double major with Electro-Mechanical and Electronic Options in Engineering Technology, 1988.