5G Device & Protocol Engineer(Only w2)

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

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

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• Strong knowledge of 5G NR/LTE architecture and protocol stack.
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• Hands-on experience with VoNR, IMS, SIP, and end-to-end call-flow troubleshooting.
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• Strong experience in protocol debugging, KPI analysis, and network RCA.
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• Experience with Python scripting/automation and network analytics.
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If I missed your call ! Please drop me a mail.

Thank you,

Harish Jannela

Talent Acquisition

Astir IT Solutions, Inc - An E-Verified Company

Email:harishj@astirit.com

Direct : 7326946000*788

50 Cragwood Rd. Suite # 219, South Plainfield, NJ 07080

www.astirit.com