Employment Type

Permanent

Closing Date

24 Feb 2026 11:59pm

Job Title

Security Engineering Senior Engineer

Job Summary

As a Security Engineering – Senior Engineer, you are an expert in the Information, Engineering and Cyber Security domains, applying your extensive knowledge in security technologies, cloud and corporate networks to shape the security controls required within solution designs (both people, process and technical) and identify, communicate and help treat corresponding security risks.

Through your strong knowledge of existing and emerging technology, you are able deliver a superior security and network experience for our consumers. You do this by drawing on your deep levels of cyber security and engineering knowledge and experience to provide specialist analysis, design, development and deployment in Network and IT specific technology domains.

You play a pivotal role in shaping our technology strategy and protecting Telstra’s assets, acting as a trusted adviser to our people, teams, cyber, engineering and DevOps leaders to build our cyber capability.

Job Description

Who We Are

We're an iconic Aussie brand with a global footprint. Our purpose is to build a connected future so everyone can thrive. We're all about providing the best experience and delivering the best tech on the best network.

This includes making Telstra the place you want to work. For you, that means a having career that grows with you and working with a team powered by human connection that prioritises wellbeing and choice.

Focus of the Role
As a Security Engineering – Senior Engineer, you are an expert in the Information, Engineering and Cyber Security domains, applying your extensive knowledge in security technologies, cloud and corporate networks to shape the security controls required within solution designs (both people, process and technical) and identify, communicate and help treat corresponding security risks.

What We Offer

Performance-related pay
Access to thousands of learning programs so you can level-up
Global presence across 22 countries; opportunities to work where we do business.

Purchased annual leave scheme

Additional Telstra day off

Additional 30% off Telstra products and services

Toolkit provided (laptop + mobile phone + plan paid for)

What You’ll Do

•Senior Security Engineer works with Telstra Line of business to provide consulting and technical designs across various security & network platforms, develop and schedule change requests, provide and support for complex solutions. Operate within a dynamic Agile environment, ensuring seamless integration of security in each sprint.
•Also contribute to the effective development, assessment and integration of technology solutions, products, services and systems by working as part of a team to perform more complex investigations and carrying out operational tasks within processes and procedures.
•Lead the design and implementation of secure solutions within DevOps environment. Regularly perform and support after-hours deployments and changes, with flexibility to accommodate frequent out-of-hours work as required.
•The role will include working as a subject matter expert in specific technologies and will work autonomously on a day-to-day basis.

About You

•At least 7 to 8 years of experience in Security, Networks as Senior Designer or Engineer with large enterprise / Data centre environment.
•Relevant Tertiary Qualifications / Degree Educated (engineering or Computer science).
•Firewall, Security, Remote access (Juniper, Checkpoint, Cisco FTD, Palo Alto expert level)
•Routing and Switching, Expert hands on Nexus 7K interfaces, VRFs, VDCs, port-channels. VRF Lite and routing protocols

Choose an item.

If you want to be surrounded by top talent at a company that gives back to the community, apply now!

As part of your application with Telstra, you may receive communications from us on +61 440 135 548 (for job applications in Australia) and +1 (623) 400-7726 (for job applications in the Philippines and India).


When you join our team, you become part of a welcoming and inclusive community where everyone is respected, valued and celebrated. We actively seek individuals from various backgrounds, ethnicities, genders and disabilities because we know that diversity not only strengthens our team but also enriches our work. We have zero tolerance for harassment of any kind, and we prioritise creating a workplace culture where everyone is safe and can thrive. 


As part of the hiring process, all identified candidates will undergo a background check, and the results will play a role in the final decision regarding your application.


We work flexibly at Telstra. Talk to us about what flexibility means to you. When you apply, you can share your pronouns and / or any reasonable adjustments needed to take part equitably during the recruitment process.


We are aware of current limitations with our website accessibility and are working towards improving this. Should you experience any issues accessing information or the application form, and require this in an alternate format, please contact our Talent Acquisition team on [email protected] or via the additional contact options found at www.telstra.com.au/careers/diversity-equity-and-inclusion/disability-employment