What are the responsibilities and job description for the Sr. Wireless Network Test Engineer position at Inabia Software & Consulting Inc.?
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
1. LTE / 5G NR Network & Protocol Testing
Use advanced telecom tools including:
5. Reporting & Collaboration
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
1. LTE / 5G NR Network & Protocol Testing
- 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
- Debug issues across gNB/eNB, EPC/5GC (MME, AMF, SMF, UPF), and IMS components
- Analyze protocol behavior across RRC, NAS, SIP, RTP, Diameter
- Collaborate with vendor engineering teams, device OEMs, and operators
- Build/manage test beds including UEs, SIM configurations, APNs, gNB/eNB parameters
- Integrate and maintain testing frameworks and network simulators (Keysight/IXIA/Spirent)
- Ensure environment stability for regression, performance, and interoperability tests
Use advanced telecom tools including:
- QXDM / QCAT / QTRACE
- Wireshark / tcpdump
- Keysight/IXIA, Spirent, Anritsu
- TEMS, X-Cal, Rohde & Schwarz tools
5. Reporting & Collaboration
- Create detailed test cases, test plans, KPI dashboards, and defect reports
- Work closely with cross-functional engineering teams in Germany and internationally
- Provide technical input during planning, integration, and software release cycles
- 5 years’ experience in LTE/5G network testing or mobile device/network validation
- Strong experience with VoLTE/IMS, RRC/NAS debugging, and core network interactions
- Hands-on proficiency with telecom test tools (QXDM, QCAT, Wireshark, TEMS, X-Cal, Keysight/IXIA)
- Excellent understanding of 3GPP standards for LTE and 5G
- Ability to conduct structured testing in both lab and field environments
- Ability to work onsite in Munich
- Legally authorized to work in Germany (EU citizenship, Blue Card, or valid German work permit)
- Experience with European mobile operators (e.g., Deutsche Telekom, Vodafone, Telefónica/O2)
- OEM device testing (Samsung, Google, Motorola, Xiaomi, etc.)
- Familiarity with private 5G, CBRS-like shared spectrum, or enterprise 5G deployments
- Experience with KPI automation, scripting, or CI/CD testing frameworks
Salary : $48 - $53