SRI Tech Solutions Inc. · 18 hours ago
5G Tester ---- Full Time (USC & GC)
Redmond, WA
Full-time
Onsite
Senior LevelSRI Tech Solutions Inc. is seeking a skilled 5G Tester to join their team. The role involves expert knowledge of 5G and LTE call flows, as well as troubleshooting and testing various telecommunications protocols and services.
Enterprise SoftwareInformation TechnologyEnterprise
No H1B
Hiring Manager
Bhargav Sai
Responsibilities
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, IR92, IR94, AS262 HO, WPS, RTT, N11, International Wi Fi and S8HR
Expert knowledge of VOIP protocols such as SIP, Megaco/H.248, MGCP, DNS, LNP, TCAP, SDP, RTP, DIAMETER), IMS (Audio/Video call signaling, Instant Message, RCS, Presence, Subscription), VoNR, VoLTE / LTE EPC
Expert knowledge of 5G and LTE EPC core protocols such as GTPV2C,GTPV1C, GTPV1U, S1AP
Experience with and understanding of how NATing and Proxy functions work in a packet core and the implications for connectivity (routing and firewalls) to services platforms
Excellent Troubleshooting skills
Strong communication skills (written and oral) and intercultural communication abilities
Ability to articulate complex issues, concepts, solutions, and standards clearly
Experience with automated testing including simulation and Real UE automation
Qualification
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, IR92, IR94, AS262 HO, WPS, RTT, N11, International Wi Fi and S8HR
Expert knowledge of VOIP protocols such as SIP, Megaco/H.248, MGCP, DNS, LNP, TCAP, SDP, RTP, DIAMETER), IMS (Audio/Video call signaling, Instant Message, RCS, Presence, Subscription), VoNR, VoLTE / LTE EPC
Expert knowledge of 5G and LTE EPC core protocols such as GTPV2C,GTPV1C, GTPV1U, S1AP
Experience with and understanding of how NATing and Proxy functions work in a packet core and the implications for connectivity (routing and firewalls) to services platforms
Excellent Troubleshooting skills
Strong communication skills (written and oral) and intercultural communication abilities
Ability to articulate complex issues, concepts, solutions, and standards clearly
Experience with automated testing including simulation and Real UE automation
Company
SRI Tech Solutions Inc.
SRI Tech is a solutions and resource placement enterprise that brings accomplishment and success to our clients.
Founded in 2005
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Hari Thota
CEO
Recent News
2025-11-22
Seattle TechFlash
2025-07-16
Company data provided by crunchbase