IMS/VoLTE Test Engineer for LTE & 5G

Reqroute, Inc; Warrenville (IL); On-site; USD 85,000 - 115,000; Full time

Job summary

Reqroute, Inc in Warrenville, IL is seeking an experienced Test Engineer with strong expertise in IMS Core, SIP, and VoLTE/CVoIP call flows. The ideal candidate should have 6–8 years of hands-on experience in validating and troubleshooting IMS/VoLTE networks, analyzing signaling protocols, and performing end-to-end call flow testing.

This position requires onsite presence, and candidates with strong telecom testing and IMS/VoLTE troubleshooting experience will be given preference.

Qualifications

• 6–8 years of experience in Telecom Testing, IMS Core, SIP, and VoLTE/CVoIP environments.
• Strong knowledge of 5G, LTE, and UMTS technologies.
• Hands-on experience with VoLTE/IMS Call Processing and Supplementary Services.

Responsibilities

• Validate and troubleshoot IMS/VoLTE networks.
• Analyze signaling protocols and perform end-to-end call flow testing.
• Conduct root cause analysis (RCA) for VoLTE call flows.

Skills

Telecom Testing

IMS Core

SIP

VoLTE/CVoIP

5G

LTE

Scripting (Python, Unix Shell, Selenium)

Tools

Wireshark

QXDM

RADCOM

IXIA

EXPO

LANDSLIDE

Iris Analyzer

Job description

Reqroute, Inc in Warrenville, IL is seeking an experienced Test Engineer with strong expertise in IMS Core, SIP, and VoLTE/CVoIP call flows. The ideal candidate should have 6–8 years of hands-on experience in validating and troubleshooting IMS/VoLTE networks, analyzing signaling protocols, and performing end-to-end call flow testing.

This position requires onsite presence, and candidates with strong telecom testing and IMS/VoLTE troubleshooting experience will be given preference.