RHELOSAdmin

## Accountabilities Manage RHEL OS patching activities in a large-scale 24/7 production environment, ensuring system stability and security compliance. Provide administration, monitoring, and troubleshooting support for Linux (RHEL) systems across enterprise infrastructure. Develop and maintain automation scripts and playbooks using Ansible, shell scripting, and Perl to streamline patching and operational support tasks. Support Windows OS patching activities in smaller but critical environments as part of cross-platform administration responsibilities. Collaborate with SAP application administrators and cloud engineering teams to ensure seamless system integration and performance. Perform system administration tasks using AWS, Azure, and GCP consoles for cloud-based infrastructure environments. Participate in on-call rotation and provide off-hours support for critical incidents in a 24/7 operational setting. Ensure system availability, performance optimization, and adherence to security and operational standards. Requirements U.S. Citizenship is required for this role due to federal project requirements. Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field is required; Master’s degree is a plus. Strong hands-on experience in Linux (RHEL) system administration in enterprise environments. Experience in Windows OS administration and patch management in production environments. Proficiency in automation tools and scripting languages including Ansible, shell scripting, and Perl. Experience supporting large-scale, 24/7 operational environments with on-call responsibilities. Familiarity with cloud platforms such as AWS, Azure, and Google Cloud Platform (GCP) for system administration tasks. Strong troubleshooting, analytical, and problem-solving skills in complex infrastructure environments. Ability to work collaboratively with infrastructure, application, and cloud teams. Strong communication skills and ability to operate effectively