5G Device & Protocol Engineer(Only w2)

Astir IT Solutions, Inc.; Bellevue (WA); Presencial; USD 150.000 - 190.000; Jornada completa

Descripción de la vacante

Astir IT Solutions, Inc. seeks a skilled 5G Device & Protocol Engineer for onsite work in Bellevue, WA. The role focuses on LTE/5G NR performance analysis, live-network validation, and protocol-level debugging across multiple layers.

The ideal candidate will have hands-on experience with KPI automation, log analysis, and developing reporting solutions using Python, SQL, Tableau, or Power BI. Minimum 10+ years of experience is required.

Formación

• Extensive experience with 5G NR/LTE protocol stacks and live networks.
• Hands-on troubleshooting of VoNR, IMS, SIP call flows.
• Experience with KPI analysis, automation, and RCA.
• Proficient in Python scripting for analytics and automation.

Responsabilidades

• Analyze 5G NR/LTE network performance and perform RCA.
• Troubleshoot VoNR, VoWiFi, IMS, and SIP call flows.
• Perform protocol-level debugging across RRC, NAS, SIP, IMS, PDCP, RLC, and HARQ.
• Analyze KPIs like DL/UL throughput, latency, jitter, and BLER.
• Develop KPI reporting and automation using Python, SQL, Tableau/Power BI.

Conocimientos

5G NR/LTE

VoNR/IMS/SIP flows

Protocol debugging

KPI analysis

Python scripting

Herramientas

QXDM

Wireshark

QCAT

PCAP

Descripción del empleo

Job Role : 5G Device & Protocol Engineer(Only w2)

Job Location: Bellevue, WA (Onsite)

Minimum 10+ Years of Experience required.

JD:

We are looking for an experienced 5G Device & Protocol Engineer with strong hands-on expertise in LTE/5G NR performance analysis, VoNR/IMS call flows, protocol-level troubleshooting, KPI automation, and live-network validation.

Key Responsibilities

• Analyze 5G NR/LTE network performance and perform root-cause analysis (RCA).
• Troubleshoot VoNR, VoWiFi, IMS, and SIP call flows.
• Perform protocol-level debugging across RRC, NAS, SIP, IMS, PDCP, RLC, and HARQ.
• Analyze KPIs including DL/UL throughput, latency, jitter, packet loss, BLER, and MCS.
• Perform log and trace analysis using QXDM, QCAT, Wireshark/PCAP, XCAL/XCAP, or similar tools.
• Validate performance in live networks and field environments.
• Develop KPI reporting and automation using Python, SQL, Tableau, and/or Power BI.
• Identify network performance issues and provide recommendations for optimization.

Required Skills

• Strong knowledge of 5G NR/LTE architecture and protocol stack.
• Hands-on experience with VoNR, IMS, SIP, and end-to-end call-flow troubleshooting.
• Strong experience in protocol debugging, KPI analysis, and network RCA.
• Experience with Python scripting/automation and network analytics.