Senior Security Advisor

Telstra; City of Melbourne; On-site; AUD 180,000 - 240,000; Full time

Benefits offered by this job

Performance-related pay

Learning programs access

Global presence across 22 countries

Purchased annual leave scheme

Telstra day off

30% off Telstra products and services

Toolkit provided

Job summary

Telstra is seeking a Senior Cyber Security Advisor to join its Global Networks & Technology – Security & Operations team in delivering enterprise security outcomes. You will lead end-to-end security engagements, coordinate assurance activities, and advise on risk treatment and governance aligned with Telstra's frameworks.

You will foster a strong security culture, enable secure delivery of strategic initiatives, and communicate effectively with diverse stakeholders.

Qualifications

• 5+ years of experience in cybersecurity advisory, risk management, security operations, governance, or assurance.
• Experience conducting security assessments and managing security risks.
• Strong stakeholder engagement and relationship management skills.
• Excellent communication and influencing capabilities across technical and non-technical audiences.
• Strong analytical, problem-solving, and process improvement skills.

Responsibilities

• Act as a trusted security advisor to business and technology stakeholders.
• Lead and support security assessments, assurance activities, and risk reviews.
• Provide practical, risk-based security recommendations aligned with security and compliance frameworks.
• Drive security-by-design principles and promote cybersecurity awareness.
• Improve security processes, governance, standards, and operational effectiveness.
• Support the adoption of security tools, capabilities, and frameworks.
• Develop security guidance, procedures, templates, and playbooks.
• Use operational metrics and reporting to drive continuous improvement and enhance stakeholder experience.

Skills

Security architecture

Security assessments

Security incident management

Security incident response

Predictive analytics

Emerging technologies research

Security controls

Policies & standards development

Security risk assessment

Security roadmap development

Security testing

Testing design

Testing tools

Threat detection & ML

Threat hunting

Vulnerability assessments

Job description

Employment Type

Permanent

Closing Date

10 Sept 2026 11:59pm

Job Title

Senior Security Advisor

Job Summary

As a Senior Cyber Security Advisor, you will play a critical role in Telstra’s Global Networks & Technology – Security & Operations team, driving enterprise-wide security outcomes through strategic engagement and technical leadership. You are accountable for establishing and maintaining strong, collaborative relationships with key stakeholders across Cyber Assurance engagements—including Group Owners, Technical Product Owners, and internal business units.

Your focus will be on enabling secure delivery of business missions by providing expert guidance, simplifying complex security challenges, and ensuring alignment with Telstra’s risk and compliance frameworks.Working within Security & Operations, the role leads end-to-end security engagements, coordinates assurance activities, and drives continuous improvement across cybersecurity processes. The Senior Cyber Security Advisor provides expert advice on security controls, risk treatment, and governance, while fostering a strong security culture and enabling the safe delivery of strategic business initiatives. The position requires significant experience in cybersecurity, risk management, and operational improvement, supported by strong communication, leadership, and influencing skills.

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 Senior Cyber Security Advisor, you will play a critical role in Telstra’s Global Networks & Technology – Security & Operations team, driving enterprise-wide security outcomes through strategic engagement and technical leadership. You are accountable for establishing and maintaining strong, collaborative relationships with key stakeholders across Cyber Assurance engagements—including Group Owners, Technical Product Owners, and internal business units.

Your focus will be on enabling secure delivery of business missions by providing expert guidance, simplifying complex security challenges, and ensuring alignment with Telstra’s risk and compliance frameworks.

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

• Act as a trusted security advisor to business and technology stakeholders.

• Lead and support security assessments, assurance activities, and risk reviews.

• Provide practical, risk-based security recommendations aligned with security and compliance frameworks.

• Drive security-by-design principles and promote cybersecurity awareness.

• Improve security processes, governance, standards, and operational effectiveness.

• Support the adoption of security tools, capabilities, and frameworks.

• Develop security guidance, procedures, templates, and playbooks.

• Use operational metrics and reporting to drive continuous improvement and enhance stakeholder experience.

About You

• 5+ years of experience in cybersecurity advisory, risk management, security operations, governance, or assurance.

• Experience conducting security assessments and managing security risks.

• Strong stakeholder engagement and relationship management skills.

• Excellent communication and influencing capabilities across technical and non-technical audiences.

• Strong analytical, problem-solving, and process improvement skills.

• Experience creating standards, procedures, and operational documentation.

• Solid understanding of cybersecurity frameworks, controls, technologies, and emerging threats.

Preferred Certifications

CompTIA Security+
SSCP (ISC²)
ISACA Cybersecurity Fundamentals
GIAC Security Essentials (GSEC)
Microsoft SC-900
Cisco Certified CyberOps Associate

Skills

Complex data modelling, Cyber security incident management, Cyber security incident response, Predictive Analytics, Research - emerging technologies, Security measures and controls, Security policies, standards or procedures development, Security Risk Assessment, Security roadmap development, Security Testing, Security Testing Design, Security testing tools, Specialised computing environment design, Threat detection - modelling and machine learning, Threat Hunting, Vulnerability Assessments

Qualifications & Certifications (if applicable)

Future Ready - Adapts and Grows - Future Ready, Future Ready - Collaborates and Influences - Future Ready, Future Ready - Customer Focused - Future Ready, Future Ready - Informed Decision Maker - Future Ready, Future Ready - Team Performer - Future Ready

Please Note:

Before applying for internal vacancies, advise your 1-up manager of your intention to apply, regardless of the length of time you have been in your existing role.

• An employee can move internally if they meet 12 months minimum service for a Band 2 – 4 role, or 18 months minimum service for a Band 1 role. This minimum service requirement may be reduced with 1-up manager approval.
• Internal Reference Checks are mandatory, and an employee’s current 1-up manager will be contacted as a referee during the recruitment process.
• Release dates will be negotiated directly between the hiring manager and the 1-up manager (in extenuating circumstances, the Principal or Executive may make final decision)
• Redeployees can apply for roles at any time and will be given priority status for suitable roles.
• Before applying for a role internally, please see AskUs – Am I eligible to apply for internal roles

We fully embrace flexibility and choice at Telstra and it’s as unique as you. We believe every role can flex in some way and encourage you to work where, when, and how you are most engaged, safe, and productive. Talk to us about how a role could be flexible for you!

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