5g Device & Protocol Engineer
Astir IT Solutions, Inc.
Job Location: Bellevue, WA (Onsite) Local candidates are preferred.
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 .
Thank you,
Bharath M
Account Manager
Astir IT Solutions, Inc - An E-Verified Company
Email: View email address on click.appcast.io
Direct : View phone number on click.appcast.io*806
50 Cragwood Rd. Suite # 219, South Plainfield, NJ 07080
Vacancy posted 9 hours ago
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