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Inabia Software & Consulting Inc. • Munich, Bavaria, Germany
Salary: EUR 48–53 per hour
Role & seniority: Senior Wireless Network Test Engineer (LTE/5G), full-time, onsite
Location & work type: Munich, Germany; onsite only; EU work authorization required (German Blue Card/permits acceptable)
Stack/tools: LTE/5G NR RAN/Core; IMS/VoLTE; test tools: QXDM, QCAT, QTRACE, Wireshark, tcpdump, TEMS, X-Cal, Keysight/IXIA/Spirent, Rohde & Schwarz; network simulators; UE/SIM configurations; KPI dashboards
LTE/5G NR network and protocol testing (attach/registration, bearer setup, PDU sessions, VoLTE/VoNR; handover, performance metrics)
RAN, Core & IMS troubleshooting (debug gNB/eNB, EPC/5GC, IMS; analyze RRC/NAS/SIP/RTP/Diameter; cross-team collaboration)
Test environment ownership (build/manage test beds, UEs/SIMs/APNs; maintain testing frameworks and simulators; ensure regression/interoperability stability)
5+ years in LTE/5G network testing or mobile validation
Strong VoLTE/IMS, RRC/NAS debugging, core network interactions
Proficiency with telecom test tools (QXDM, QCAT, Wireshark, TEMS, X-Cal, Keysight/IXIA, Spirent)
Solid understanding of 3GPP LTE/5G standards; lab and field testing experience
Onsite work ability in Munich; legally authorized to work in Germany
Experience with European operators (Deutsche Telekom, Vodafone, Telefónica/O2)
OEM device testing (Samsung, Google, Motorola, Xiaomi, etc.)
Private 5G/enterprise deployments (CBRS-like/shared spect
Senior Wireless Network Test Engineer (Munich, Germany)
Location: Munich, Germany (Onsite)
Employment Type: Full-time
Work Authorization: Candidates must have the legal right to work in Germany (EU citizen or valid German/EU work permit) Position Overview Inabia is expanding its telecom engineering presence in Europe and is seeking an experienced Senior LTE/5G Network Test Engineer to support advanced mobile network testing for a telecommunications client in Munich. This role requires strong hands-on experience across 4G/LTE, 5G NR, RAN, Core (EPC/5GC), and IMS/VoLTE, along with expert knowledge of test tools and log analysis. The ideal candidate brings deep technical understanding of 3GPP standards and can execute end-to-end testing in both lab and field environments. Key Responsibilities
Execute full lifecycle testing: attach, registration, bearer setup, PDU sessions, VoLTE/VoNR call flows Validate handover (HO), data performance, throughput, latency, jitter, packet loss Conduct KPI evaluations and troubleshoot performance degradations