06th October, 2026

- 6 month contract
- Hobart/Melbourne based - hybrid working
- Strong experience administering Windows Server and Linux environments
- Hands-on Puppet experience

Are you an experienced Infrastructure Engineer with a solid background in Windows, Linux and security hardening? We are seeking an experienced OS Hardening Engineer to support a large-scale initiative focused on improving the security posture of an enterprise server environment.

Responsibilities

- Implement CIS Benchmark Level 1 hardening standards across Windows and Linux server environments.
- Develop, update and test Puppet code to automate security configuration changes.
- Manage code changes through Git and GitHub pull requests.
- Assess the impact of security controls on applications and services.
- Troubleshoot issues relating to authentication, permissions, services, networking and logging.
- Support testing, validation and phased deployment activities.
- Document exceptions,



testing outcomes and operational considerations.

Essential Criteria

- Strong experience administering Windows Server and Linux environments.
- Hands-on Puppet experience, including roles and profiles, Hiera and code reviews.
- Practical Git/GitHub experience including branching, pull requests and version control.
- Previous experience delivering OS hardening, security uplift or server baseline projects.
- Strong troubleshooting capabilities across enterprise server environments.

How to Apply

If you're ready to take on the next challenge in your career and you think you can bring your passion to this exciting role, then please click on 'Apply Now' to submit your cover letter and resume. For specific questions relating to the role please contract Nick at [email protected]

📌 OS Hardening Engineer - 6 months (Melbourne)
🏢 Genesis
📍 Melbourne