System Administrator

The System Administrator is responsible for the day-to-day operation of NACA’s computer networks. They organize, supervise, and oversee the installation and support of NACA’s computer systems, local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems.

System Administrators serve as the primary technical expert in the administration of NACA’s complex network operating systems. System Administrators are responsible for the installation, configuration, administration, monitoring, and security of NACA’s servers and related systems thereby achieving a high degree of performance and reliability of essential business applications.

The System Administrator possesses a thorough understanding of Linux, Microsoft Server, and virtualization technologies. They are responsible for the daily administrative duties involved in supporting, maintaining, monitoring, and configuring servers composed of physical and virtual infrastructure components. Other responsibilities include the technical planning, implementation, maintenance, and recovery procedures for mission critical enterprise systems.


  • Ensures the availability of client/server applications by configuring new implementations and developing processes and procedures for ongoing management of the virtual environment.
  • Installs, modifies, and maintains system and application software on server computer systems.
  • Identifies, troubleshoots, and resolves hardware and software problems on servers and workstations.
  • Plans and implements server upgrades, maintenance fixes, and vendor-supplied security patches.
  • Recommends and executes modifications to the server environment to improve efficiency, reliability, and performance.
  • Performs SAN file system configuration and management tasks.
  • Develops procedures, programs, and documentation for backup and restoration of server operating systems and server-based applications.
  • Monitors and tests system security logging and provides performance statistics and reports.
  • Coordinates and collaborates with various departments using business management applications to ensure availability, reliability, scalability, and security of corporate data.
  • Creates, maintains, and manages Microsoft Active Directory user accounts.
  • Establishes guidelines and methods for the installation and management of network operating systems, disk arrays, enterprise switches, routers, tape libraries and other components.
  • Ensures high levels of performance and availability of mission critical network resources.
  • Participates in the installation, upgrade, diagnostics and repair of structured cabling.
  • Manages the data center and network host systems including hardware, software, and related equipment.
  • Assists in overseeing the security, integrity, and safety of server and network systems within the data center.
  • Develops and maintains training materials and server documentation.
  • Stays current with technological developments in systems administration applications and recommends ways for NACA to take advantage of new technologies.
  • Performs on-call responsibilities for support of critical infrastructure as required.
  • Escalates business impacting incidents as necessary.
  • Assists with the help-desk for staff to address the full range of IT issues.
  • Other related duties as assigned.