Information & Cyber Security Principal Technology Leader
Telstra · Australia Flexible, Australia
Employment TypePermanent
Closing Date11 Nov 2026 11:59pm
Job TitleInformation & Cyber Security Principal Technology Leader
Job 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.
Working with Telstra Enterprise on defined Telstra customer engagements, the Commercial BISA will provide security leadership, management and coordination across Telstra provisioned security services for five defined existing accounts.Job DescriptionAbout you:
You have experience translating security risks, incidents or control failures into practical remediation plans and driving sustainable improvements across large organisations. You are comfortable operating at executive levels, influencing decisions, and creating accountability for security outcomes that strengthen organisational resilience.
To be successful in the role, you must have:
- Security leadership experience
- Commercial accounts experience ( Enterprise)
- 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
- Working with Telstra Enterprise on defined Telstra customer engagements, the Commercial BISA will provide security leadership, management and coordination across Telstra provisioned security services for five defined existing accounts.
- Drive the remediation of significant security risks, control weaknesses and incident findings, ensuring clear 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 opportunity 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
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