Application Administrator- Linux with Security Clearance

About Lucayan Technology Solutions LLC At Lucayan Technology Solutions LLC, we deliver secure, innovative solutions in support of national defense and intelligence missions. As a trusted government contracting partner, we provide top-tier intelligence and technology services that safeguard our nation. Our team is mission-driven, and we are committed to building careers that matter. Location: Tampa, FL (Hybrid) Employment Type: Full-Time Core business hours with on-call availability Security Clearance: minimum T3 required Job Summary We are seeking a skilled Linux Application Administrator to provide technical support for RHEL-based enterprise application environments on a federal government IT program. You will administer Linux-hosted applications and services, collaborate with team members, ensure STIG compliance, and serve as a technical escalation point for Linux environment issues. Key Responsibilities * Perform technical operations for enterprise Linux application administration in a federal IT environment * Collaborate with and support junior Linux administrators * Execute deployment, patching, monitoring, and incident response for RHEL-hosted applications * Administer Apache, Tomcat, LDAP, Oracle Unified Directory, and Red Hat SSO * Maintain STIG configurations and drive cybersecurity compliance across Linux systems * Develop and maintain SOPs, runbooks, and technical documentation * Participate in disaster recovery testing and technology refresh planning for Linux environments * Serve as a technical escalation point for Linux environment issues Required Qualifications * U.S. Citizenship required * Security Clearance: minimum T3 required * Bachelor's degree OR RHCE certification * Minimum 5 years of Linux/RHEL application administration * Hands-on expertise with Apache, Tomcat, LDAP, and enterprise directory services * Experience with security hardening, STIG compliance, and patch management on Linux Preferred Qualifications * RHCSA or RHCE certification * Experience with Splunk or similar log management/SIEM platforms * Cloud infrastructure experience (OCI, AWS, or Azure) * Background in federal IT with DoD security compliance requirements Certifications * RHCE preferred or required in lieu of degree * Security+ or DoD 8570 baseline a plus * Active or obtainable DoD Secret clearance; T5 may be required