Senior Security Engineer, Cloud & App Security

Mable; City of Brisbane; Hybrid; AUD 150,000 - 190,000; Full time

Benefits offered by this job

Hybrid workplace

Parental leave

Flexi Leave Days

Floating public holiday

Reward and recognition

Learning opportunities

Job summary

Mable in Brisbane is seeking an experienced Security Engineer to design, build, and maintain the security posture of our platform and infrastructure. This senior individual‑contributor role sits at the intersection of engineering and security, embedding security thinking into how we build and operate systems.

This role leads threat modelling, security reviews, and collaboration with engineering squads to raise security literacy and ensure compliance with Australia’s privacy obligations.

Qualifications

• 8+ years in security engineering, application security, or systems security.
• Strong understanding of secure software design principles and OWASP Top 10.
• Experience with cloud security (AWS) including IAM and network security groups.
• Experience with security tooling across SIEM, scanners, IDS, and secrets management.
• Ability to conduct threat modelling and security design reviews.
• Knowledge of privacy obligations and ISO 27001 alignment in Australia.

Responsibilities

• Design and implement security controls across platform, applications and infrastructure, including access control and encryption.
• Embed security into the software development lifecycle via design reviews, threat modelling, and code reviews.
• Lead vulnerability assessments and coordinate remediation with engineering teams.
• Monitor systems for suspicious activity and support incident response.
• Define security standards and sensible defaults for engineering teams.
• Partner with Engineering leads to build security literacy across squads.
• Contribute to security tooling adoption (SIEM, scanners, secrets management, IDS).
• Support compliance and risk management obligations (Privacy Act, Essential Eight, ISO 27001).
• Monitor external threat landscape and translate findings into actionable business recommendations.
• Collaborate with Infrastructure on secure cloud architecture and CI/CD security.

Skills

Cloud security (AWS)

Threat modelling

Security tooling

Vulnerability management

Secure SDLC

Privacy/Compliance Australia

Tools

SIEM tools

Vulnerability scanners

DAST

SAST

Secrets management

Job description

Mable in Brisbane is seeking an experienced Security Engineer to design, build, and maintain the security posture of our platform and infrastructure. This senior individual‑contributor role sits at the intersection of engineering and security, embedding security thinking into how we build and operate systems.

This role leads threat modelling, security reviews, and collaboration with engineering squads to raise security literacy and ensure compliance with Australia’s privacy obligations.