System Administrator - 306506
Delaware Nation Industries is seeking a System Administrator – Mid to support the Air Force Joint Worldwide Intelligence Communications System/Joint Interoperability Test and Services mission. The System Administrator will provide day-to-day administration, maintenance, monitoring, troubleshooting, and security support for enterprise systems operating across classified and unclassified environments.
The successful candidate will work as part of a collaborative systems administration team supporting Linux and Windows platforms, virtualized infrastructure, network-connected services, and mission-critical users. This position requires sound technical judgment, strong documentation skills, and the ability to troubleshoot issues while maintaining system availability and compliance with DoD security requirements.
Responsibilities
- Administer, configure, maintain, and troubleshoot Linux and Windows servers, workstations, applications, and related computing environments.
- Install operating systems, software, patches, updates, and security fixes in accordance with approved change-control and maintenance procedures.
- Monitor system health, availability, capacity, and performance; identify trends and recommend corrective actions.
- Perform Tier II and Tier III troubleshooting for hardware, operating system, application, virtualization, networking, and connectivity issues.
- Manage user accounts, permissions, groups, access controls, a
