Senior Security Engineer - DevSecOps (AWS/AI)

Location: Sydney, NSW, Australia; hybrid working. Successful candidates must have full-time Australian working rights and complete a National Police Record check.

Company

Carsales operates an online vehicle marketplace focused on improving how people buy and sell vehicles.

What you will do

• Standardize security practices through infrastructure as code and service orchestration in AWS.
• Secure CI/CD pipelines and deployment practices across build, release, and runtime phases.
• Automate vulnerability operations and secure dependency management.
• Build observability and monitoring capabilities for agentic systems using OTEL.
• Contribute to incident response efforts and provide hands-on security engineering expertise.

Requirements

• Demonstrated experience in software, platform, and security engineering.
• Experience implementing end-to-end orchestration and secure patterns in AWS.
• Experience designing and maintaining CI/CD security gates.
• Experience with secure dependency management and runtime vulnerability remediation.
• Practical use of AI for security and strong curiosity about novel threats and agentic systems.
• Ability to influence and support engineering teams as a technical subject-matter expert.

Culture & Benefits

• Hybrid working with flexible arrangements and wellbeing-focused policies.
• Collaborative environment with opportunities to learn from experienced colleagues.
• Twenty-four weeks of paid parental leave for primary caregivers and four weeks for secondary caregivers.
• Six weeks of paid gender-affirming care leave.
• Regular hackathons, continuous learning opportunities, and wellbeing initiatives.
• Equal-opportunity workplace with recruitment adjustments available for candidates with disabilities.

Hiring process

• Reasonable adjustments are available during the recruitment process.
• Successful candidates complete a National Police Record check.