5G Device & Protocol Engineer

5G Device & Protocol Engineer

Job Type: Contract
Domain: Telecom / Wireless
Experience: 5+ years preferred

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

• Analyze 5G /LTE network performance and perform root‑cause analysis (RCA).

• Troubleshoot VoNR, Vo Wi Fi , IMS, and SIP call flows end‑to‑end.

• Perform protocol‑level debugging across RRC, NAS, SIP, IMS, PDCP, RLC, and HARQ
  .

• Analyze key performance indicators 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 device and network performance in live‑network and field environments
  .

• Develop KPI reporting and automation using Python, SQL, Tableau, Power BI, or similar tools.

• Identify network/device performance issues, conduct RCA, and provide recommendations for optimization.

• Collaborate with device, modem, network, and engineering teams to resolve protocol and performance issues.

• Strong knowledge of 5G /LTE architecture and protocol stack
  .

• Hands‑on experience with VoNR, IMS, SIP, and end‑to‑end call flows
  .

• Strong experience in protocol debugging, KPI analysis, log analysis, and network RCA
  .

• Experience with
  QXDM, QCAT, Wireshark/PCAP, XCAL/XCAP
  , or equivalent tools.

• Strong understanding of RRC, NAS, PDCP, RLC, HARQ, SIP, and IMS protocols.

• Experience with
  Python scripting/automation and network analytics
  .

• Experience analyzing throughput, latency, BLER, MCS, packet loss, and other 4G/5G KPIs
  .

• Strong troubleshooting, analytical, and communication skills.