Role: Telecom Test Lead / IMS VoLTE Validation Engineer Duration: 04 Months – possible extension Location: Warrenville, IL - Fully onsite
Looking for a test lead engineer that has 6-8 years’ experience SIP, IMS Core, VoLTE/CVoIP call flow process for testing and validation.
Following skills/experience required: Strong knowledge in 5G/LTE/UMTS VoLTE/IMS Network Performance and Capacity Test and IMS Nodes Performance Benchmarking Activities. Extensive Hands on experience with VoLTE/IMS Call Processing and VoLTE/IMS Supplementary Services. Need to have hands on experience IMS Related Protocols Signaling Analyzing (VoLTE/IMS, VOIP Call Flows (SIP/SDP/H.248 etc.) using Iris Analyzer and RADCOM . Working experience on IMS interworking entities (BGCF, MGCF, MRFC, MRFP, AGW, IBCF, TrGW) and interfaces. VOIP / IMS call flows (expertise in SIP based call flows) - Voice and Supplementary Services. Experience with LTE core system interfaces and protocols such as S1-MME, S1-U, S6a, S11, S5/S8, Rx, NAS, S1-AP, RRC, GTPv2c, GTP-U, SGs-AP, Gn, Gx, Ga, Sy is desired In-depth understanding of Telecom Protocols and technologies like GTPV2,SIP, RTP, IPv4 and IPv6, DIAMETER, DNS, H.248, IPSec, TCP-IP, LDAP, etc. Design & Troubleshooting experience in VoLTE E2E Call Flows and RCA Debugging Skills and IP Network design, planning and optimization Scripting experience on any language like Python/Unix/Selenium and hands on experience on Android adb command for automation and taking device logs Tool Experience on Wireshark,QXDM,RADCOM,IXIA,EXPO,LANDSLIDE etc
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At SPECTRAFORCE, we are committed to maintaining a workplace that ensures fair compensation and wage transparency in adherence with all applicable state and local laws. This position’s starting pay is: $ 36.00/hr.
