Application Administrator- Linux

Location: Tampa, FL (Hybrid)
Employment Type: Full-TimeCore 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

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.