Remote Application Administrator – U.S. Gov IT (T3 Clearance)

Lucayan Technology Solutions LLC

United States

On-site

USD 90,000 - 120,000

Full time

14 days+

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Job summary

Lucayan Technology Solutions LLC is seeking a motivated Application Administrator to support enterprise application operations for a federal government IT program. You will install, maintain, patch, and troubleshoot business-critical applications on Windows and Linux, support security compliance activities, and help ensure 24/7 availability in a mission-critical environment.

The role requires U.S. citizenship and a minimum T3 security clearance.

Qualifications

U.S. citizenship is required.
Minimum 3–5 years of application administration on Windows or Linux.
Working knowledge of enterprise server environments and app lifecycle management.
Familiarity with security hardening and patch management practices.

Responsibilities

Administer, maintain, and troubleshoot enterprise applications on Windows and/or Linux server platforms
Monitor application health and system availability during core business hours with on-call support for critical incidents
Configure user access, security settings, ports, protocols, and external connectivity
Apply STIG security configurations and support ongoing cybersecurity compliance
Document and resolve application errors; perform root cause analysis
Support disaster recovery exercises and outage management
Provide technical support to end users and IT management for supported applications