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Senior Network Test Engineer

Location: Remote
Compensation: Salary
Reviewed: Mon, Aug 17, 2026
This job expires in: 28 days

Job Summary

Owning the critical technical test gate for Mobile Network Operators (MNO), the full-time Senior Network Test Engineer will develop and execute a comprehensive IREG test strategy, automate testing processes, and analyze network traces to ensure seamless connectivity in a remote work environment.

Key responsibilities
  • Develop a comprehensive IREG test strategy, including pass/fail metrics and official sign-off processes for partner MNOs
  • Execute end-to-end roaming testing, focusing on network registration, authentication, and data paths
  • Build and maintain an automation test harness for consistent execution of GSMA and Skylo-specific routing scenarios
Required qualifications
  • 5+ years of hands-on experience in roaming validation, mobile core operations, or telecommunications network testing
  • Strong understanding of Diameter routing and SS7/MAP concepts, including roaming authentication flows
  • Advanced protocol troubleshooting skills with experience in reading Wireshark traces
  • Proven experience designing automated telecommunications testing frameworks using Python or similar languages
  • Fluency in handling IR.21/RAEX data profiles, PLMN structures, and IMSI records

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