Senior Security Engineer (Fixed & Core Network Security)

Full time Computer Occupations

Employment Type

Permanent

Closing Date

23 July 2026 11:59pm

Job Title

Senior Security Engineer (Fixed & Core Network Security)

Job Summary

As a Senior Security Engineer (Fixed & Core Network Security), you are an expert in Telecommunications, Transport & IP, Automation, Infrastructure as Code, DoSP, and/or Cyber Security. You apply your expertise in security technologies, standards, and policies to design, implement, operate, and continuously improve security capabilities across Telstra’s Service Provider and Core Network environments.

Working closely with Engineering, Operations, Architecture, Product, Cyber Security, and vendor teams, you embed security controls into network platforms, services, and change initiatives, ensuring risks are proactively identified, managed, and reduced. You contribute to security assurance, vulnerability management, compliance, automat...