GCCS System Administrator

About UsVenatôre is a mission-driven government contractor based in Tampa, FL, supporting federal and civilian agencies with secure cutting-edge technology, cybersecurity, and mission support services. Our teams are trusted in demanding environments because we integrate with client missions, combining technical depth, operational precision, and innovative thinking to deliver meaningful results where they matter most.About the JobVenatôre is seeking a GCCS System Administrator to support U.S. Central Command (CENTCOM) at MacDill Air Force Base in Tampa, Florida. This position is responsible for installing, configuring, and maintaining networked UNIX, Red Hat Enterprise Linux (RHEL), Solaris, and Windows systems supporting the Global Command and Control System (GCCS) mission environment. The GCCS System Administrator will ensure reliable system performance, maintain security compliance, and provide proactive system administration to support mission-critical operations. This role works closely with government stakeholders and technical teams to maintain the confidentiality, integrity, availability, and reliability of GCCS infrastructure and services.ResponsibilitiesSystem Administration & ConfigurationInstall, configure, and maintain UNIX, Red Hat Enterprise Linux (RHEL), Solaris, and Windows server and desktop operating systems supporting GCCS mission requirements.Install, configure, and maintain Solaris 10 operating systems, including Zones and ZFS file systems.Install, configure, and administer Red Hat Enterprise Linux (RHEL) environments supporting enterprise applications.Administer and maintain Windows Server and desktop systems supporting GCCS operations.Maintain and administer Microsoft Active Directory (AD) and Group Policy environments.System Maintenance & PerformancePerform software installations, updates, and upgrades for operating systems and layered software packages in accordance with GCCS Program Management directives.Monitor, tune, and optimize system performance to ensure operational efficiency, availability, and reliability.Provide recommendations for system performance improvements, capacity planning, and adoption of emerging technologies.Maintain system backups and database archives to support data recovery and continuity of operations.Security & ComplianceConduct routine hardware and software audits of servers and workstations to ensure compliance with established standards, policies, procedures, and configuration guidelines.Implement and maintain physical and cybersecurity controls aligned with Department of Defense (DoD) requirements.Perform proactive and reactive system administration activities to ensure the confidentiality, integrity, availability, and reliability of systems and data.User Support & TroubleshootingProvide technical support and troubleshooting for hardware, software, and operating system issues impacting mission operations.Manage and maintain user accounts in accordance with government-approved procedures.Interpret, modify, and maintain batch, shell, and PowerShell scripts supporting system administration activities.Infrastructure & Application SupportSupport virtualization technologies, including VMware, within the GCCS environment.Maintain and support enterprise database platforms, including Oracle, Sybase, PostgreSQL, and MySQL.Support Java-based application servers, including WebLogic, Tomcat, and JBoss.Maintain and support Linux/UNIX services, including NFS, SSH, NTP, LDAP, and Apache.Required QualificationsActive U.S. Government Top Secret/Sensitive Compartmented Information (TS/SCI) security clearance.Experience installing, configuring, and maintaining Solaris, Red Hat Enterprise Linux (RHEL), and Windows operating systems.Experience administering Microsoft Active Directory (AD) and Group Policy.Experience with virtualization technologies, including VMware.Experience supporting or maintaining enterprise database platforms such as Oracle, Sybase, PostgreSQL, or MySQL.Experience supporting Java application servers, including WebLogic, Tomcat, or JBoss.Familiarity with Linux/UNIX applications and services, including NFS, SSH, NTP, LDAP, and Apache.Ability to interpret, modify, and maintain batch, shell, and PowerShell scripts.Strong troubleshooting and problem-solving skills supporting complex enterprise environments.Preferred QualificationsCompTIA Security+ certification or ability to obtain certification within six months of hire.Experience supporting Global Command and Control System (GCCS) environments.Familiarity with DoD cybersecurity policies, security controls, and system administration standards.Experience supporting mission-critical defense, combatant command, or military operational environments.BenefitsVenatôre offers a competitive benefits package designed to support the well-being of our employees, including:Paid Time Off (PTO)10 Federal Holidays401(k) with company matchingMedical, dental, and vision insurancePaid military leaveVenatôre is a woman owned small business and an equal opportunity employer. We consider qualified applicants without regard to disability or protected veteran status.