Infrastructure Security Engineer

At Centorrino Technologies (CT), we’re more than just tech—we’re a community that goes beyond expectations. We’ve been recognised as a Great Place to Work in 2024-2025 and one of the Best Places to Work Medium & Large Size in Australia for 2025, with an outstanding eNPS score of 68. And we’re not stopping there.

We’re looking for an experienced Infrastructure Security Engineer to support the hardening and security of Windows and Linux server environments. You’ll play a key role in implementing CIS security controls, improving infrastructure security, and automating secure configurations using Puppet and GitHub.

This role will be a 6-month contract based in Hobart or Melbourne.

Requirements

What You’ll Do

• Implement and maintain CIS Benchmark Level 1 security controls across Windows and Linux environments.
• Assess server configurations, identify security gaps and support remediation activities.
• Develop and maintain Puppet code to automate security hardening and configuration.
• Manage infrastructure-as-code through GitHub, including pull requests, peer reviews and releases.
• Test and validate security configurations before production deployment.
• Troubleshoot issues resulting from security hardening and perform root cause analysis.
• Develop remediation, rollback and reco