Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies. Employee ownership, generous 401K and profit sharing, health/dental/life/vision insurance benefits, engaging assignments, educational reimbursement, competitive salaries, and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed. The Linux Systems Administrator will advance the capabilities of the Naval Oceanographic Office (NAVOCEANO) by providing web server sustainment support for operational systems. NAVOCEANO is located at NASA's Stennis Space Center, and all tasking is performed on-site. The administrator will also be responsible for security documentation and completing Security Technical Implementation Guide (STIG) checklists. Job Duties: * Sustainment, configuration, and security of the following server types: * JBoss EAP 7.x and newer * Apache 2.4 and newer * Esri ArcGIS Server 10.9.x and newer (installed on Windows Server 2019) * IIS Web Server * Maintain required log analysis and usage metrics per STIG requirements * Complete cybersecurity documentation and quarterly STIG updates * Apply security-related remediations to servers * Perform all work on-site at NAVOCEANO (telework not permitted) Required Experience: * Active SECRET Clearance with T5 investigation * IAT/IAM II certification (such as Security+) * B.S. in Computer Science or related IT degree * Experience with Bash and Ansible scripting * Experience with Elastic Stack and Esri ArcGIS Enterprise * Experience with Apache, JBoss, and Windows IIS * Experience with Java configuration EOE/Minorities/Females/Vet/Disabled