Employment Type: Permanent Closing Date: 11 Nov 2026 11:59pm

Information & Cyber Security Principal Technology LeaderJob Summary

The Business Information Security Advisor (BISA) serves as an embedded cross business security leader driving security risk reduction and remediation outcomes across the organisation, focused on learning from incidents and addressing structural security debt. Product, Network & Technology - Security & Operations is responsible for Telstra's security and operations, protecting Telstra's assets and infrastructure.

About you

To be successful in the role, you must have:

- Security leadership experience
- Analytical and problem-solving skills
- Strategic Thinking
- Influencing Skills
- Stakeholder Management
- Effective communication
- Experience leading or coordinating post-incident remediation, security uplift or risk reduction initiatives.
- Demonstrated ability to influence remediation outcomes across complex stakeholder environments.
- Experience identifying systemic security issues and driving preventative improvements at scale.

All candidates must be Australian Citizens and be eligible to hold a security clearance.

Key Responsibilities

- Drive the remediation of significant security risks, control weaknesses and incident findings, ensuring explicit ownership, accountability and timely resolution.
- Partner with Security Operations and Cyber Defence teams to ensure incident learnings are translated into practical improvements that reduce the likelihood of recurrence.
- Identify recurring security issues, systemic control gaps and patterns of risk across the function, and develop targeted prevention and uplift initiatives.
- Facilitate collaboration between business, engineering and security teams to remove barriers to remediation and accelerate risk reduction outcomes.
- Provide visibility of outstanding security issues,



remediation progress and risk treatment decisions to functional executives and security leadership.
- Champion a culture of continuous security improvement by converting security reviews, incidents, audit findings and assurance outcomes into actionable plans that strengthen resilience.
- Drive prioritisation of security debt, legacy risks and control uplift activities that improve the organisation's long-term security posture.
- Drive continuous security improvement by gathering stakeholder feedback on technology, process, and interactions - creating a feedback mechanism and shared understanding between Cyber Security, Security Engineering and the function.
- Maintain awareness of industry advances in Cyber Security technology and changes in the Global Cyber Security Threat Landscape to provide contextual thought leadership to the function on potential risks and opportunities.
- Provide feedback on areas of chance to improve the Group's Cyber Security, Security Engineering, and Physical Security posture.
- Reinforce a ‘Security first’ culture and mindset across the function's leadership team and drive a robust relationship between the Security Advisor and delivery teams.
- Provide guidance and context on strategic Security (Cyber Security, Security Engineering & Physical Security) decisions.

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

We are amongst the top 2% of companies globally in the CDP Global Climate Change Index 2023, being awarded an 'A' rating. If you want to work for a company that cares about sustainability, we want to hear from you.

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 are an iconic Aussie brand with a global footprint. From our earliest days in the Postmaster General's Office to the Australian icon we are today, the heart of Telstra has never changed. We have always been committed to being a great place to work as we make the world a better place too.

Working at Telstra, we all have a why. Whether it is endless career opportunities, an amazing work-life balance or being able to make a difference, we all know why we are motivated to be our best here. Our people find purpose and pride in being part of Telstra, because we support the things that matter most.

We are committed to making it easy for everyone to apply. If you require accessibility support or adjustments during the recruitment process, please send an email to Disability and Accessibility inbox. [email protected].

In a business as big and diverse as ours, there is a huge breadth of career paths available. Uncover opportunities, broaden your experience, and discover the many areas of our organization there is to explore. > Explore our teams https://www.telstra.com.au/careers/our-teams

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📌 Information & Cyber Security Principal Technology Leader (Melbourne)
🏢 Telstra Corporation
📍 Melbourne