Packet Core Engineer (Snipebridge)

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  • Location
    Trophy Club, TX, United States


Location - Westlake, TX

Type of position - Full-Time position

The Packet Core engineer will support our client’s requirement to provide end-customer support. This is a regular, full-time opportunity well suited for a mid-level Packet Core engineer. You must be thoroughly familiar with SGSN/GGSN interfaces, RADIUS, DIAMETER, IMS as is used in telecommunications networks and Cisco’s Packet Core solution.

MUST HAVE skills

5+ year’s with 3G/4G networks, RADIUS, DIAMETER (RFC 3588)and/or PCRF
Experience working on High Available (HA) systems and databases.
Experience with IMS environment

Job duties -

Packet Switched Core Networking protocols SGSN, GGSN, GPRS network interfaces, RAN and RNC
Proficient with Gx, Rx, S11, Gn and Gi interfaces
Use proficiency with theory and application of IP networking fundamentals MPLS, BGP, OSPF, SS7 and SIGTRAN protocols
Server virtualization and UNIX / Linux Scripting
Test new features and functionality for technologies in Cisco hardware ASR5500 & ASR5000 and their StarOS releases simulating Virtual PGW
Integrating virtual PGW in lab with HP c7000 hardware on Red Hat OpenStack
Perform upgrades of all Cisco hardware release by release; after each upgrade execute sanity, billing and new feature testing in production labs
Test and validate new software releases prior to implementation in production network
Troubleshoot and monitor for problems in lab network for VoLTE calls, Wi-Fi calls, 3G & data calls

Special Skills/nice to have skills:

Familiar with 3GPP core protocol suite and the core data nodes: SGW/PGW/PCEF, PCRF GGSN, RADIUS, DHCP, DNS
Knowledge in IP networking, TCP, exposure to OPENET PCRF
LTE/UMTS technology, 3GPP Standards and traffic flows
Good understanding of communications and data networking protocols, parameters and interfaces S1-c/u, Gn, Gi, Gx, Gy, Rx
Education: College degree in a relevant field (Electrical Engineering, Computer Science, Telecommunications, etc.) and minimum 2+ year’s field experience

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