Job Title
Network Engineering - Engineer
Job Summary
The Network Engineer is an important contributor in ensuring that the Telstra network delivers a superior network experience for our consumer and business customers. You use your telecommunications network skills and experience to contribute to specialist analysis, design, development and deployment in specific network technology domains, including how this technology inter-operates with other technologies.Job Description
Role Purpose
The Network Engineering Engineer is responsible for designing, testing, validating and supporting network technologies to ensure Telstra delivers reliable, high-quality services to customers.
This role has a specialised focus on International Roaming (IREG) testing, ensuring seamless interoperability between Telstra’s mobile network and global partner networks through robust validation, certification, and test execution.
The role contributes to engineering excellence by applying telecommunications expertise, automation practices,
and DevSecOps methodologies to improve network performance, reliability, and customer experience.
Key Responsibilities
International Roaming (IREG Testing)
• Execute and support end-to-end IREG (International Roaming) testing across voice, SMS, data, and emerging services (e.g. VoLTE, 5G roaming).
• Coordinate with international carrier partners to plan, schedule, and complete roaming test cases and validations.
• Validate roaming interoperability including: Network signalling (SS7 / Diameter / 5G SBA where applicable) Billing and charging scenarios Fraud and security controls
• Analyse test outcomes and identify defects, configuration gaps, or interoperability issues.
• Support certification and onboarding of recent roaming partners to ensure compliance with Telstra and industry standards.
Engineering & Technical Delivery
• Contribute to the design, integration, and testing of network platforms and s
📌 Network Engineering (Pune)
🏢 Telstra
📍 Pune
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