Platform Security Engineer
- Hiring from
- Australia
- Work type
- Hybrid
- Posted
- Oct 2, 2026
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12 Month FTC | WFH Hybrid | Sydney CBD
- Well-established Australian financial services organisation serving millions of customers.
- Technology-led environment embracing cloud, DevSecOps, and modern engineering practices.
- Strong culture of innovation, flexibility, and continuous learning.
This is a highly technical, engineering-focused security position responsible for owning and executing security remediation across application code, dependencies, repositories, and CI/CD environments. You'll work closely with platform and engineering teams to improve security guardrails, reduce recurring vulnerabilities, and embed security into the software delivery lifecycle.
- Proven experience remediating security vulnerabilities across modern application and API environments.
- Strong development and scripting capability using Node.js, TypeScript, and Python.
- Hands-on experience with SAST, DAST, SCA, and secure code remediation practices.
- Strong GitHub security administration and repository governance experience.
- Experience working with cloud-native technologies, containers, serverless platforms, and infrastructure-as-code.
- Practical knowledge of CI/CD security engineering, automated security testing, and DevSecOps best practices.
- Remediate application security findings identified through automated scanning and security assessments.
- Resolve vulnerable open-source and third-party dependency risks through upgrades, replacement, or removal strategies.
- Enhance GitHub and CI/CD security controls, including repository baselines, secrets protection, and security automation.
- Partner with engineering, product, and platform teams to coordinate and validate remediation activities.
- Develop security guardrails, engineering standards, playbooks, and governance artefacts that reduce recurring risk.
- Opportunity to work on modern cloud, API, and platform technologies at scale.
- Flexible hybrid working arrangement with strong emphasis on employee wellbeing.
- Join a security team where you can directly influence engineering standards, tooling, and secure development practices.