CORE NETWORK ENGINEER

Core Network Engineer (multiple openings) Reston, VA: Analyzing fault identifications & resolution for Core networks/Provide logs & run required test cases/perform testing on LTE, CSFB, UMTS, SRVCC, GSM for various network operators/Well versed in network troubleshooting skills w/ MPLS, IGPs, EGP & Layer 2 tech/Research wireless policy control systems for 4G/5G tech, 3GPP specification for mobile core & 3GPP specifications for IMS core/Utilize packet tracing tools IRIS Session Analyzer, Wireshark, NetAct to troubleshoot issues in the scope of deep packet inspection, protocols (TCP/IP, UDP, RTP, RTSP, TLS, NTP, SIP, SDP, Diameter, HTTP)/Working exp w/ Linux platforms / Create tech documentation like Engineering Design Doc, Data Flow Diagram, Call Flow Diagram, Implementation Guide, Operations Guide, Method of Procedure, Maintenance Operation Procedure, Network Diagram, Tech Bulletin, Test Plan, & Test results/Familiar w/ Network Functions Virtualization (NFV) concepts, working exp w/ OpenStack/Perform Python, Batch & shell scripting. Reqts: Bachelor's Degree or equiv in Electrical Engineering or rltd, 2 yrs exp in job or rltd, 1 yr exp w/ tools and protocols: Wireshark, SIP Load Generator, RTP, TCP/IP, Diameter, Frequent travel to unanticipated locations throughout the U.S. M-F, 9a-5p. Resume to: Global Technology Associates LLC, 1890 Preston White Dr, Suite 150, Reston, VA 20191