IMS Core Test Engineer

Role : IMS Core Test Engineer

Type of role - Permanent Position

Location : Sydney, Australia

An IMS Core Test Engineer is responsible for validating and assuring the quality, performance, and reliability of IP Multimedia Subsystem (IMS) platforms used in telecom networks for services such as VoLTE, VoWiFi, SMS over IMS, Rich Communication Services (RCS), and multimedia communications.

Location Sydney

Key Responsibilities

* Experience with operator networks in Australia is preferred

* Strong exposure to VoLTE migrations, IMS upgrades, and 5G voice services.

* Develop and execute IMS test strategies, test plans, and test cases.

* Validate IMS core network elements such as:

* Ericsson IMS

* Nokia IMS

* Huawei IMS

* CSCF (P-CSCF, I-CSCF, S-CSCF)

* HSS/UDM

* SBC

* TAS (Telephony Application Server)

* Test VoLTE, VoWiFi, emergency calling, roaming, and supplementary services.

* Perform SIP signaling analysis and troubleshooting.

* Execute interoperability testing with RAN, EPC/5GC, and handset vendors.

* Conduct performance, load, regression, and end-to-end testing.

* Analyze logs, traces, KPIs, and defects.

Required Technical Skills

* Strong understanding of:

* IMS architecture

* SIP, SDP, Diameter protocols

* VoLTE and VoWiFi call flows

* LTE, EPC, and 5G Core networks

* Experience with testing tools such as:

* Spirent

* Keysight/Ixia

* Wireshark

* SIPp

Interested candidate can share share their resume at ***email_hidden*** or call me on +61 283195529