Network Development Engineer, 5G NTN Network Integration and Test

What you'll do

• Integrate and validate end-to-end network connectivity across Open RAN, 5G Core, IMS, transport, and satellite systems.
• Validate 3GPP Release 17 NTN behaviors including registration, bearer setup, mobility, and service continuity.
• Test Open RAN architecture components such as CU, DU, RU, and gNodeB within lab environments.
• Validate VoNR and IMS call flows including SIP signaling, media paths, and failure recovery.
• Troubleshoot complex network issues involving routing, switching, tunneling, packet captures, and transport protocols like MPLS and Segment Routing.
• Execute integration, regression, interoperability, and performance test plans for lab and Hardware-in-the-Loop environments.
• Use Linux tools, Python, and protocol logs to perform root cause analysis across RF, RAN, and Core teams.
• Produce technical reports and readiness assessments for production-bound satellite terrestrial network capabilities.

What we're looking for

• Associate's degree or above.
• 5+ years of experience integrating, testing, or operating LTE or 5G networks in lab, carrier, vendor, or large scale production environments.
• Strong practical knowledge of 3GPP network architecture including RAN to Core interfaces and 5G user plane and control plane flows.
• Experience with Open RAN or disaggregated RAN architecture including CU, DU, RU, gNodeB integration, and related interfaces.
• Knowledge of 3GPP Release 17 NTN concepts and ability to apply standards knowledge during integration and troubleshooting.
• Experience with VoNR and IMS protocols including SIP, RTP, registration, call setup, media path validation, and failure analysis.
• Must be a U.S. citizen, national, permanent resident, or lawfully admitted into the U.S. as a refugee or granted asylum.
• Export Control Requirement.