Application Administrator- Linux

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: This is a US-based remote position, with candidates in the Tampa Bay area preferred. Tampa-based employees may have the possibility of transitioning to a hybrid schedule in the future, requiring periodic onsite presence at our Tampa, FL location. 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