Unix/Linux Admin (RHEL)

Job Title : Unix / Linux Admin (RHEL)Job Location : Colorado Springs, COClearance : Active Secret Clearance required.Citizenship : Due to agency and contract requirements, U.S. citizenship is mandatory. Candidates with dual citizenship cannot be considered.Key Responsibilities : System Management : Install, configure, upgrade, patch, and maintain Unix / Linux servers and related software using package management systems like APT and RPM.Performance Monitoring : Monitor and document system performance to ensure reliability.Issue Resolution : Diagnose and resolve hardware and software issues to support system uptime.Backup & Recovery : Implement, manage, and coordinate backup, recovery, and failover processes.Security : Apply security patches and implement measures like firewalls (e.g., iptables, firewalld), and collaborate with the security team on vulnerability mitigation.User Management : Manage user accounts and group policies effectively.Network Configuration : Configure network interfaces, routing, and VLANs.Automation & Scripting : Develop and maintain manual and automated scripts for monitoring, system changes, and procedures.Technical Support : Provide user support and assist the helpdesk in resolving inquiries and incidents.Collaboration : Work with cross-functional teams to support and maintain the system.Requirements : Clearance : Active Secret Clearance is required.Citizenship : Must be a U.S. citizen with no dual citizenship.Availability : Ability to accommodate a rotational on-call schedule as needed.Willingness to support a system with 24x7x365 uptime, including recall requirements.Must reside within a commutable distance of Colorado Springs, CO, and be available to work onsite at the customer’s discretion (including during the transition period).Experience : At least 7 years of experience as a system administrator on Unix / Linux systems (related experience is acceptable).