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Barbaricum is seeking a Computer Systems Administrator I (Network and Computer Systems Administrator) to support the administration, maintenance, and operation of enterprise IT infrastructure for Department of Defense (DoD) mission and training environments. The selected candidate will provide technical expertise in Windows and Linux systems administration, virtualization technologies, and infrastructure support across physical, virtual, and cloud-based environments. The Computer Systems Administrator will be responsible for maintaining system performance, supporting infrastructure monitoring activities, and ensuring the availability and security of mission-critical systems. The successful candidate will work closely with network, cybersecurity, and engineering teams to support infrastructure operations, technology integration, and multidomain training activities.
Job Responsibility
Install, configure, maintain, and troubleshoot Windows and Linux server environments supporting mission and training operations
Administer physical, virtual, and cloud-based infrastructure to ensure system availability, performance, and security
Manage user accounts, system access, operating system configurations, and routine system maintenance activities
Monitor system health, network performance, and infrastructure components to identify and resolve operational issues
Support virtualization platforms, including VMware, KVM, and Xen, to maintain efficient and scalable computing environments
Assist with system deployments, upgrades, patch management, and configuration changes across enterprise environments
Collaborate with network, cybersecurity, and engineering teams to support infrastructure operations and technology integration efforts
Develop and maintain system documentation, configuration records, and standard operating procedures
Support infrastructure monitoring, incident response, and troubleshooting activities to ensure mission readiness
Ensure compliance with organizational policies, cybersecurity requirements, and applicable DoD standards
Requirements
Active DoD Secret Clearance
Bachelor's degree or equivalent experience
Must meet DoDM 8140.03 IAT II requirements
Minimum 2yrs experience working with computer systems
Demonstrated experience with Windows enterprise and Linux server / operating systems engineering, and administration
Demonstrated experience with cloud, physical, and virtual network architect, engineering, and infrastructure monitoring
Expertise with hypervisors such as VMware, KVM, and Xen