Responsibilities Support the deployment, administration, and sustainment of mission‑critical infrastructure and network environments Manage server, network, storage, and Linux‑based systems Install, configure, administer, and maintain enterprise server and network infrastructure Manage and support Dell servers, Cisco Nexus switches, and related hardware components Configure and maintain network services, routing, DNS, NTP, and mission hosting environments Develop and maintain IP tables, RPM packages, and system configurations Create and maintain automation scripts using Bash and Python Support multiple network environments and ensure system availability and performance Implement security updates, vulnerability remediation, and IAVM compliance requirements Troubleshoot hardware, software, network, and operating system issues Maintain system documentation, configuration baselines, and operational procedures Utilize Jira to track tasks, issues, and project activities Requirements TS/SCI with active Polygraph with this Customer Bachelor’s degree in Information Technology, Computer Science, Engineering, or related technical field required 7+ years of experience supporting systems administration, infrastructure, or network operations environments Experience setting up and managing Dell servers and Cisco Nexus switches required Experience with network hardware, configuration management, routing, and mission hosting environments Experience administering DNS and NTP services Experience developing and maintaining IP tables and RPM packages Experience with Bash shell scripting and Python automation Experience setting up and maintaining NAS storage arrays Experience supporting and maintaining multiple network environments Experience implementing and maintaining IAVM compliance requirements Experience using Jira for issue tracking and project coordination Red Hat Linux certification required Strong troubleshooting, analytical, and problem‑solving skills Excellent written and verbal communication skills Ability to work independently and collaboratively in a dynamic mission environment Certifications & Qualifications Red Hat Linux certification #J-18808-Ljbffr