Employment TypePermanentClosing Date12 Nov 2026 11:59pmJob TitleSenior Network Integration EngineerJob SummaryJob DescriptionThe Senior Integration Engineer is responsible for supporting Telstra's lab, test, and network integration environments through a combination of operational engineering, platform migration, connectivity management, and problem resolution activities. The role provides ongoing technical support across critical engineering workstreams and contributes to the stability, readiness, and evolution of network platforms and testing environments.

What We OfferPerformance-related payAccess to thousands of learning programs so you can level-upGlobal presence across 22 countries; opportunities to work where we do business.

Purchased annual leave schemeAdditional Telstra day offAdditional 30% off Telstra products and servicesToolkit provided (laptop + mobile phone + plan paid for)Key ResponsibilitiesSupport lab and test environment operations, ensuring engineering platforms are available and fit for testing and validation activities.

Deliver network integration and migration support across platform refresh and transformation initiatives.

Manage and review connectivity solutions, including firewall changes, routing analysis, and network reachability assessments.

Investigate and resolve infrastructure and service connectivity issues impacting engineering and operational platforms.

Participate in testing activities related to platform migrations and network services. Collaborate with engineering, operations, and platform teams to coordinate technical outcomes and improve service performance.



Contribute to engineering governance activities, operational practices, and continuous improvement initiatives.

Core Technical CapabilitiesNetwork integration and systems engineeringFirewall administration and connectivity managementRouting and network address translation (NAT) analysisNetwork troubleshooting and diagnostic investigationTest environment and laboratory supportPlatform migration and transition supportCross-functional stakeholder collaborationBusiness ImpactThis position provides sustained operational engineering capability rather than project-based support. The role helps maintain critical technical knowledge, supports network and platform evolution activities, enables successful testing and migration outcomes, and contributes to the ongoing reliability and effectiveness of Telstra's engineering environments.

Why Join

This TeamIf you are passionate about network integration, firewall engineering, routing and NAT analysis, troubleshooting, and supporting large-scale platform migrations, this role will provide meaningful technical challenges and the opportunity to make a tangible contribution every day. Diversity is more than a policy – it's how we thriveWe know diverse teams deliver better outcomes, and we're committed to creating an environment where everyone feels safe, respected, and supported — regardless of gender, background, or ability.

We strongly encourage women and gender-diverse people to apply and are happy to discuss adaptable working arrangements or adjustments to the recruitment process.

📌 Senior Network Integration Engineer (Sydney)
🏢 Telstra
📍 Sydney