5G Core Network Tester

5G Core Network Tester 

Location-Redmond, WA

Skills Required

• Expert knowledge of 5G SA, NSA and LTE call flows from a E2E perspective (Device RAN Core Network).
• Expert knowledge of the call flows of services and features such as Voice, Messaging, UCE, UT, USSI, HTTP, VOLTE, VoWiFi, 1992, 1994, AS262 HO, WPS, SBHR.
• Expert knowledge of VOIP protocols such as SIP, Megaco/H.248, MGoogle Cloud Platform, DNS, INP, TCAP, SOP, RTP, DIAMETER), IMS (Audio/Video call signaling, Instant Subscription), VONB, VOLTE/LTE EPC
• Expert knowledge of 5G and LTE EPC core protocols such as GTPV2C, GTPV1C, GTPV1U, STAP
• Experience with and understanding of now NATing and Proxy functions work in a packet core and the implications for connectivity (routing and firewails)
• Excellent Troubleshooting skills.
• Strong communication skills (written and oral) and intercultural communication abilities.