Enwei Dong

Enwei Dong Email and Phone Number

System Engineer at Peraton @ Peraton
Enwei Dong's Location
Chantilly, Virginia, United States, United States
Enwei Dong's Contact Details

Enwei Dong personal email

About Enwei Dong

• Working experience and knowledge about Certificate Authorities process of DoD Public Key Infrastructure (PKI) and digital signature X. 509 schema.,• Configured, troubleshoot and installed the security world, RC, RFS, key store, RA certificates, CA certs in Thales nCipher’s netHSM and nShield PCI HSM.• Experience working in configuration, monitor and troubleshooting F5 Load Balance, LTM, GTM, SQL database query, insert, update, delete, create table.• Strong experience to develop audition, debug tools by Python, PERL and Shell in Linux/Unix.• Strong experience in installation, integration, configuration, testing, and debugging instances server on Oracle Weblogic which is application issuances the CAC and token.• AWS Cloud training course regarding EC2, VPC, S3, Relational database service, and ELB• Strong working knowledge in TCP/IP networking protocols, VoIP, H323, SIP, and network management systems SNMP, troubleshooting for real-time IP application platform products. • Installed and troubleshooted applications and system in Linux/UNIX server platforms.• Strong working knowledge of internet secure protocols, IPSec, SSL, and Mobile IP VPN.• Working experience in networking technologies including DNS, VPN, and F5 Load Balancing.• Working experience with IIS, Apache/Tomcat, SQL, MS SQL database, MySQL database, Sybase database, J2EE platform, LDAP server, Active Directory server and exchange servers. • Working experience to program Perl, Python, Shell scripts, VBScript, XML, HTML, and C. • Eight years of extensive hands-on experience in system/network technical support for VoIP call process, subscribers provisioning and Qchat regions, core wireless HPTT network.• Eight years of extensive hands-on experience in testing manual, automation, GUI, Web applications, Database schema, network security and telecommunication VoIP telephony.

Enwei Dong's Current Company Details
Peraton

Peraton

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System Engineer at Peraton
Enwei Dong Work Experience Details
  • Peraton
    System Engineer
    Peraton May 2016 - Present
    Reston, Virginia, Us
    • Held responsibility for certificate replacement field devices of RAPIDS and DBIDS system. Generating hardware certificates for the DoD RAPIDS and DBIDS devices in global wide by OpenSSL and DOD PKI sytem. • Held responsibility for system architecture, integration, implementation, configuration, field support, and enhancement for the User Portal(UP) in RAPIDS CAC systems which supports the CAC (Common Access Card) issuance and post issuance maintenance of PIV common access card consists of RAPIDS, DEERS, DoD PKI and the User Portal(UP) system which includes Card Content Server(CCS) 442 and 5.2 &5.3, Inventory Logistics System(ILS) 2.7, and ActiveID 4TRESS Audit Server that these servers run on Weblogic and JBoss. • Developed the archive scripts for the log files of CAC production servers by Python.
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  • Ericsson
    Technical Support Engineer
    Ericsson Sep 2009 - Oct 2015
    Kista, Stockholm, Se
    • System/Network production technical support for Sprint Nextel QChat Push To Talk system that is a VoIP application, which provides half-duplex communication over the standard CDMA EV-DO Rev A, 1xRTT, and LTE/eHRPD Radio Access Networks. Qchat system includes major components: Radio network, High-bandwidth, low-latency, data network, QAS (Qchat Application Server),Qchat Client software loaded on handsets, Third party components and software such as F5 load balance (LTM, GTM), Cisco router, switch and AAA.• Held responsibility for pivotal aspects of network development across installation, testing, implementation, integration, configuration, and enhancement for CDMA technologies, collaborating within testing and market environments on major network initiatives. Manage vendor collaborations to test and implement new technology, overseeing correction of design and performance defects to facilitate seamless implementation.• Developed debug and troubleshooting tool for PII and Qchat system by Perl and Shell script.• Installed and troubleshooted applications and system in Linux server platforms.• System Integration such as installation, configuration, technical instruction document, testing, and deployment for Qchat 4.2, 5.0 and 5.1 project build release and patch package release.
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  • Sprint
    Technical Support Engineer
    Sprint Dec 2007 - Sep 2009
    Overland Park, Kansas, Us
    • System/Network technical support for PTT Interoperability Infrastructure (PII) system that provides Sprint Nextel customers a seamless, consistent and positive experience when they place a PTT call between Sprint Nextel’s PTT networks (between iDEN and QChat). Supported PII devices such as HSS, SLF, EMA, F5, Cisco Router, and PSC. Worked with the vendor and various NTAC teams in isolating problems and provided resolutions to various system / inter-op failures. • Developed troubleshooting tool for PSC, HSS, SLF, and EMA system by perl and shell script.
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  • Smith Micro Software, Inc.
    Software Qa Engineer
    Smith Micro Software, Inc. Jun 2006 - Dec 2007
    Pittsburgh, Pa, Us
    • Created, designed and executed test plan, test strategies, and test cases for QuickLink Mobility - Mobile VPN 5.5 that is a client/server mobile VPN software solution providing secure wireless access to enterprise applications from Windows-based Laptops, PDA devices, and smart devices. This enterprise solution includes a mobility gateway appliance, a mobility client and a unified WWAN/Wi-Fi network connection manager.• Set up a networks testing environment such as Firewall, Router and Switch for Mobile IP VPN Unified server, Server/Gateway, and web manager testing. Troubleshooting TCP/IP network issue by Ethereal, Tcpdump etc tools.
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  • Dgate
    Software Qa Enginner
    Dgate Nov 2005 - Apr 2006
    • Wrote and executed test plan, test strategies, and test cases for DGate security system that is comprehensive, proactive, real-time enforced data security solution. The system consists of DSA, DNF, and DSC.• Wrote shell scripts with xml file to make build deployment, regression automated testing, and daily cron job testing.The automated and manual testing includes DSC web-based system management interface, DNF channel (HTTP post, SMTP, web-based email, FTP, IM), and DSA I/O devices control (USB, CD/DVD, Floppy, Bluetooth ).• Wroted scripts for product software installation package and build a Linux platform system for our security system. Executing grey box testing for DSC and DNF that integrates MySql database, Tomcat web server, and web- based system administration.
  • Altigen Communications, Inc.
    Software Qa Engineer
    Altigen Communications, Inc. Jun 1999 - Nov 2005
    Milpitas, California, Us
    • Developed automated regression and functionality testing project for Altiware Call Center/IP PBX and Softswitch 5.5 system that integrated the voice and data communications of telephones, voice mail, e-mail, web interactions, and remote IP calling by using Hammer TestBiulder and Hammer FX-IP VoIP, Network testing system.• Created test cases, test plan and executed features and GUI testing for AltiServ IP-PBX, Softswitch system, client applications, VoIP call, IP phone set, Soft IP extension and Web based CDR applications with MS SQL and Tomcat web server.• Using Ameritec call generator tools for system load or stress testing with T1/E1, PRI, IP, and analog trunk.• Loading and performance testing for AltiServ VoIP call, Soft IP extension, and Alti_IP600 telephone with Radcom H.323 Call Generators, and execute IP phone set testing in different network environment like NAT or VPN manually.
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Enwei Dong Skills

Ip 3g Gsm Lte Telecommunications Unix F5 Bigip Cisco Routers Tcp/ip Voip Linux Testing Wireless Sip Shell Scripting Cdma Perl Switches

Frequently Asked Questions about Enwei Dong

What company does Enwei Dong work for?

Enwei Dong works for Peraton

What is Enwei Dong's role at the current company?

Enwei Dong's current role is System Engineer at Peraton.

What is Enwei Dong's email address?

Enwei Dong's email address is wa****@****hoo.com

What skills is Enwei Dong known for?

Enwei Dong has skills like Ip, 3g, Gsm, Lte, Telecommunications, Unix, F5 Bigip, Cisco Routers, Tcp/ip, Voip, Linux, Testing.

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