" \u003cdiv class=\"ja-job-details\"\u003e \u003ch2 class=\"title\"\u003eOS Hardening Engineer - 6 months\u003c/h2\u003e \u003cdiv class=\"meta\"\u003e \u003cul class=\"classifications\"\u003e \u003cli data-id=\"10624\"\u003e Information \u0026amp; Communication Technology \u003c/li\u003e \u003cli data-id=\"10625\"\u003e Networks \u0026amp; Systems Administration \u003c/li\u003e \u003cli data-id=\"10626\"\u003e Melbourne \u003c/li\u003e \u003cli data-id=\"10627\"\u003e Contract/Temp \u003c/li\u003e \u003c/ul\u003e \u003cp class=\"date-posted\"\u003e 6/10/2026 \u003c/p\u003e \u003c/div\u003e \u003cdiv class=\"description\"\u003e \u003cul\u003e \u003cli\u003e\u003cstrong\u003e6 month contract\u003c/strong\u003e\u003c/li\u003e \u003cli\u003e\u003cstrong\u003eHobart/Melbourne based - hybrid working\u003c/strong\u003e\u003c/li\u003e \u003cli\u003e\u003cstrong\u003eStrong experience administering Windows Server and Linux environments\u003c/strong\u003e\u003c/li\u003e \u003cli\u003e\u003cstrong\u003eHands-on Puppet experience\u003c/strong\u003e\u003c/li\u003e \u003c/ul\u003e Are you an experienced Infrastructure Engineer with a strong background in Windows, Linux and security hardening? We are seeking an experienced \u003cstrong\u003eOS Hardening Engineer\u003c/strong\u003e to support a large-scale initiative focused on improving the security posture of an enterprise server environment.\u0026nbsp;\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eResponsibilities\u003c/strong\u003e\u003cbr\u003e \u003cul\u003e \u003cli\u003eImplement CIS Benchmark Level 1 hardening standards across Windows and Linux server environments.\u003c/li\u003e \u003cli\u003eDevelop, update and test Puppet code to automate security configuration changes.\u003c/li\u003e \u003cli\u003eManage code changes through Git and GitHub pull requests.\u003c/li\u003e \u003cli\u003eAssess the impact of security controls on applications and services.\u003c/li\u003e \u003cli\u003eTroubleshoot issues relating to authentication, permissions, services, networking and logging.\u003c/li\u003e \u003cli\u003eSupport testing, validation and phased deployment activities.\u003c/li\u003e \u003cli\u003eDocument exceptions, testing outcomes and operational considerations.\u003c/li\u003e \u003c/ul\u003e \u003cstrong\u003eEssential Criteria\u003c/strong\u003e\u003cbr\u003e \u003cul\u003e \u003cli\u003eStrong experience administering Windows Server and Linux environments.\u003c/li\u003e \u003cli\u003eHands-on Puppet experience, including roles and profiles, Hiera and code reviews.\u003c/li\u003e \u003cli\u003ePractical Git/GitHub experience including branching, pull requests and version control.\u003c/li\u003e \u003cli\u003ePrevious experience delivering OS hardening, security uplift or server baseline projects.\u003c/li\u003e \u003cli\u003eStrong troubleshooting capabilities across enterprise server environments.\u003c/li\u003e \u003c/ul\u003e \u003cstrong\u003eHow to Apply\u003cbr\u003e\u003c/strong\u003e\u003cbr\u003eIf you\u0027re 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\u0026nbsp;\u0027Apply Now\u0027\u0026nbsp;to submit your cover letter and resume. For specific questions relating to the role please contract\u0026nbsp;\u003cstrong\u003eNick\u003c/strong\u003e\u0026nbsp;at\u0026nbsp;\u003cstrong\u003enraicevich@genesisit.com.au\u003c/strong\u003e \u003c/div\u003e \u003cdiv class=\"apply\"\u003e \u003ca class=\"back-link\" href=\"#\" title=\"Back to search results\"\u003eBack to search results\u003c/a\u003e \u003cinput type=\"button\" class=\"ja-button\" data-job-id=\"4475912\" value=\"Apply Now\" title=\"Apply Now\" /\u003e \u003c/div\u003e \u003c/div\u003e "