> Markdown version of [/jobs/ext/2436108-5g-device-protocol-engineer](https://www.wearedevelopers.com/jobs/ext/2436108-5g-device-protocol-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# 5G Device & Protocol Engineer

- **Company:** Astir IT Solutions, Inc.
- **Location:** South Plainfield, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** 4G (Telecommunication), LTE (Telecommunication), Network Analysis, Protocol Stack, Network Congestion, Software Debugging, Python (Programming Language), Pcap, Log Analysis, Power BI, SQL Databases, Tableau (Software), Wireshark, Scripting, 5G NR, Software Troubleshooting, Low Latency, E-UTRAN
- **Published:** August 14, 2026
- **Apply:** https://www.dice.com/job-detail/3f348139-dfd3-45b5-b6c6-b0f37e12509d

## About the Role

We are seeking 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., * 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, 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.

## Description

* Analyze 5G NR/LTE network performance and perform root-cause analysis (RCA).
 * Troubleshoot VoNR, VoWiFi, 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.


## Related Videos

- [Unleash the power of 5G in your code: transform your apps](https://www.wearedevelopers.com/videos/1567-unleash-the-power-of-5g-in-your-code-transform-your-apps)
- [Unlocking the potential of Digital & IT at Vodafone](https://www.wearedevelopers.com/videos/602-unlocking-the-potential-of-digital-it-at-vodafone)
- [Code meets connectivity - Developers as the powerhouse of Network API innovation](https://www.wearedevelopers.com/videos/1686-code-meets-connectivity-developers-as-the-powerhouse-of-network-api-innovation)

## Related Articles

- [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again)
- [The CAMARA Project: How Telcos Collaborating Improves Developer Experience](https://www.wearedevelopers.com/magazine/671-the-camara-project-how-telcos-collaborating-improves-developer-experience)
- [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)