Application Administrator- Linux

Linux Application Administrator Lead

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

Job Summary: We are seeking a skilled Linux Application Administrator Lead to provide technical leadership for RHEL-based enterprise application environments on a federal government IT program. You will lead administration of Linux-hosted applications and services, mentor team members, ensure STIG compliance, and serve as the primary technical escalation point for Linux environment issues.

Key Responsibilities:

• Lead technical operations for enterprise Linux application administration in a federal IT environment
• Mentor and guide junior Linux administrators
• Oversee 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
• Lead disaster recovery testing and technology refresh planning for Linux environments
• Serve as primary technical escalation point for Linux environment issues

Required Qualifications:

• U.S. Citizenship required
• Active Secret or TS/SCI and/or ability to obtain; Bachelor's degree OR RHCE certification
• Minimum 7 years of Linux/RHEL application administration with 2+ years in a lead role
• 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