Senior Engineer - Mobile Voice

Your opportunity:

At TPG, we continually explore emerging technologies to deliver the best network services and solutions to our customers.

As a Senior Engineer - Mobile Voice, you will be responsible for the design, implementation, and support of the TPG Mobile Network, with a key focus on the IMS domain.

In this role, you will collaborate with both internal and external stakeholders, including TPG technology teams, the wider TPG organisation, and relevant external vendors and partners.

You'll make impact by:

• Design, implementation and engineering support tasks in the TPG Mobile Voice Domain (IMS).
• Manage and deliver system changes including software upgrades, security patching and configuration needed to update, maintain and keep secure the Mobile Core systems and architectures
• Support TPG with subject matter knowledge in the Mobile Voice Engineer Voice and Messaging Domain’s with a key focus on the following network systems: IMS Core, MTAS, SBG, CSCF, IP WORKS, AFG, EMM, MRS (MGW), STP, SCP, DRA, Including legacy MSC and MGW
• Perform in both test (model) and production environments o Drive allocated projects to completion o Design changes o Execution and review of test cases o Implementation/testing of changes o Submission of designs and implementations to review boards o Peer reviews of designs and implementations o Completion of operational readiness activities and handover to operations o Management all aspects of small to medium deliveries including raising of CR’s, coordination with other teams, scheduling of work.
• Create and Update: Solution Documentation, High Level Designs, Detailed Designs, Requirements documentation, Configuration/Data Fill, Implementation Plans including method of procedures (MOP), Test plans and cases, Specifications

What you’ll bring:

• Bachelor’s degree in computer science or Telecommunications or Engineering or closely related discipline
• 5 or more years of relevant experience of mobile core network delivery and/or support.
• Proven design and implementation experience in a Mobile Voice Core environment.
• Detailed knowledge of IMS Call Flows and relevant protocols and 3GPP Specifications, such as SIGTRAN, MAP, CAP, ISUP SIP/RTP, Diameter
• Advanced knowledge of Mobile Core Network architecture, traffic and signalling flows, including International and National Roaming Architectures
• Be familiar with relevant Australian Government regulation and codes related to the Mobile Networks