Job Title
Security Engineering Engineer
Summary
As a Security Engineering Engineer, you collaborate with your team to design and deliver superior security and network experiences for our customers. You apply broad knowledge in the Information, Engineering and Cyber Security domains to shape security controls within solution designs and support the team in identifying, communicating and treating corresponding security risks. Continuous learning, improvement, and collaboration are critical to success in this role.
Responsibilities
* Manage and support enterprise DNS/DHCP platforms, including zone management, key management and migrations.
* Perform troubleshooting and root‐cause analysis for complex DNS and network security incidents.
* Implement and support network changes, such as migrations and platform upgrades.
* Maintain and enhance DNS security controls (DNSSEC, threat mitigation techniques).
* Support day‐to‐day BAU operations, incident response and on‐call roster participation.
* Collaborate with cross‐functional teams (network engineering, security, architecture) on service improvements.
* Contribute to automation and process optimisation initiatives within network operations.
* Document configurations, processes and incident learnings.
Required Experience
* Minimum 2–4 years of experience in network engineering, IT infrastructure or network security.
* Hands‐on experience in operational support of enterprise network environments.
* Experience in incident‐driven environments with exposure to troubleshooting and service restoration.
Technical Skills
* Strong understanding of DNS and DHCP services at an enterprise scale.
* Networking fundamentals (TCP/IP, routing, switching).
* Hands‐on experience with DNS platforms such as Infoblox.
* Experience with Cisco networking technologies (routers, switching, SD‐WAN desirable).
* Basic Linux/Unix administration.
* Familiarity with DNS security concepts (DNSSEC, threat mitigation).
* Basic scripting using Python or Bash.
Additional Knowledge
* Exposure to the Telstra EDN ecosystem and internal network platforms.
* Experience working within enterprise change management and incident management processes.
Qualifications
* Bachelor's degree in Information Technology, Computer Science or a related field (or equivalent practical experience).
* Industry certifications: CCNA (required), CCNP (desirable).
Behavioural / Professional Skills
* Strong analytical and problem‐solving skills.
* Ability to work collaboratively within technical teams.
* Effective communication skills for incident updates and stakeholder engagement.
* Proactive mindset with a focus on continuous improvement and learning.
Equal Employment Opportunity Statement
We encourage applications from people of all abilities and backgrounds, including Aboriginal and Torres Strait Islander peoples, the LGBQTI+ community, linguistically diverse individuals and people living with disability. If you require reasonable adjustments or wish to provide pronouns, please let us know. Contact DisabilityandAccessibility@team.telstra.com for assistance.
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