Cyber Security Assurance Lead

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We're looking for a proactive and technically skilled Cyber Security Assurance Lead to join our Security & Risk team. In this critical role, you'll be responsible for assessing and communicating cyber risks across a wide range of projects and platforms — including public cloud environments and container technologies — while driving compliance, governance, and continual improvement.

You'll work closely with business owners, technical teams, and senior stakeholders to ensure Optus systems and data remain secure, resilient, and aligned with industry best practices. Experience in AWS and GCP is highly valued, and a background in telecommunications will be a strong advantage.

What You'll Be Doing

• Perform cyber security risk assessments across projects and platforms, including cloud and container environments.
• Document risks, mitigation controls, and risk levels with clarity and precision.
• Communicate cyber risks to business owners and support prioritisation of remediation efforts.
• Ensure adherence to vulnerability management standards and SLAs.
• Assist in developing and maintaining security policies, standards, and procedures.
• Review and provide input into security solution designs to meet Optus requirements.
• Conduct offshore site audits and report compliance levels to management.
• Collaborate with SingTel counterparts on regional security initiatives.
• Build strong relationships with internal and external stakeholders to embed security practices.

What You'll Bring

• A degree in Computer Science, Information Technology, or equivalent practical experience.
• Recognised security certifications such as CISSP, CCSP, (or a strong commitment to maintaining relevant credentials).
• Demonstrated expertise in cybersecurity vulnerability assessments and ethical hacking practices.
• Practical experience securing cloud environments, particularly AWS and GCP.
• Hands-on capability with container platforms like Kubernetes and Docker.
• Solid grasp of cloud security principles and familiarity with orchestration tools like CloudFormation and Terraform.
• Working knowledge of CI/CD pipelines and DevSecOps practices using tools like GitLab and Jenkins.
• Strong understanding of common application security threats, including injection attacks and cross-site scripting.
• Proficiency with industry-standard security tools such as Nessus, Fortify, Metasploit, and Burp Suite.
• Familiarity with key security frameworks and standards including OWASP, PCIDSS, ISMS, and the Australian Privacy Principles.
• Experience in the telecommunications industry and AWS Security Certification is highly desirable.

Optus is a place where we let you do you. We offer a range of benefits including:

• 3 days in the office, 2 days remote – with flexible hours to suit
• Inclusive carer neutral paid Parental Leave of up to 16 weeks
• Competitive leave including 2 'Connected Leave' Days
• All Optus employees have access to resources, webinars and support via the 'Parents at Work portal'
• Own your own growth by accessing an extensive online and facilitator led learning catalogue.
• Connect at work through our employee-led volunteer groups: Culture Connect, Elevate Women, Disability Network, Express Yourself (LGBTQIA+), United Veterans, Yarn Network, Wellbeing Network and Young Professionals.
• Vibrant campus life, variety of facilities including restaurants, cafes, gymnasium, GP, and post office
• Free Optus bus from Macquarie University Metro Station (every 6-8 minutes); morning and afternoon

Curious about our culture? Go behind the scenes with our people by searching #OptusLife on LinkedIn

At Optus, we are strengthened by others and that means valuing diversity and saying 'yes' to embracing individual differences. We are committed to ensuring that our application process provides an equal employment opportunity to all job seekers, including individuals from diverse gender, cultural and linguistic backgrounds, individuals with a disability, individuals identifying as being part of the LGBTQIA+ community, individuals who may have served in the armed forces or who identify as Aboriginal and/or Torres Strait Islander. We also want to do our best to make our recruitment process inclusive. If you require any adjustments or accessibility support to participate fairly and equitably in the recruitment process, please emailAccessibleRecruitment@optus.com.au or call 1800 309 170. We're here to help. When you contact us, please advise your preferred method of contact and we will be in touch within 48 hours.

For more information on Diversity, Inclusion & Belonging at Optus, please visit https://www.optus.com.au/about/inclusion-diversity