Senior Mobile Voice Engineer – IMS Expert

TPG Telecom

Sydney

Hybrid

AUD 120,000 - 180,000

Full time

5 days ago

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Job summary

TPG Telecom is seeking a Senior Engineer - Mobile Voice to design, implement, and support the IMS-focused Mobile Core network. You will collaborate with internal teams, external vendors and partners to deliver secure, scalable voice services across the network.

The role demands strong IMS/VoLTE knowledge, 5+ years in mobile core networks, and expertise with Linux, scripting, and data analysis tools. A flexible hybrid working arrangement is offered, with opportunities to contribute to

Qualifications

Bachelor’s degree in computer science, telecommunications or engineering.
5+ years in mobile core network delivery or support.
Strong knowledge of IMS call flows and 3GPP specs (SIP/RTP, SIGTRAN, Diameter).

Responsibilities

Design, implementation and engineering support tasks in the Mobile Voice Domain (IMS).
Manage and deliver system changes including software upgrades and security patching.
Support with SME knowledge in Mobile Voice domain; focus on IMS Core, MTAS, SBG, CSCF, IP WORKS, MRS, STP, SCP, DRA.
Perform in both test and production environments; drive projects to completion.
Create and update solution documentation, high/ detailed designs, requirements, and test plans.