Experience with RHEL 5/6/7/8/9, and Windows Server (2008-2022).Proficiency in system administration for both Linux (RHEL 5/6 and RHEL 7/8/9) and Windows environments.Advanced troubleshooting skills for legacy systems (RHEL 5/6 and older Windows versions).Experience with in-place upgrades and fresh installs for RHEL and older Windows versions to Windows Server.Familiarity with configuration management tools (e.g., Ansible for RHEL, PowerShell, SCCM, for Windows).Proficient in system automation an