Application Administrator

AtLucayan 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 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/or Linux platforms, support security compliance activities, and contribute to a team ensuring 24/7 application availability for a mission-critical environment. Key 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 planned/unplanned outage management Provide technical support to end users and IT management for supported applications Required Qualifications Bachelor's degree in a relevant field OR applicable technical certification Minimum 3–5 years of application administration experience on Windows or Linux platforms Working knowledge of enterprise server environments and application lifecycle management Familiarity with security hardening and patch management practices Preferred Qualifications Experience with Apache, Tomcat, IIS, LDAP, or Active Directory Familiarity with Splunk, ACAS, or similar security monitoring tools Knowledge of IPSwitch MoveIt, Oracle B2C, SharePoint, Tableau, or Verint administration Experience supporting SaaS or PaaS cloud-hosted environments Certifications Technical certification preferred (Microsoft or Red Hat) #J-18808-Ljbffr