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# Systems Administrator III

- **Company:** General Atomics
- **Location:** Chantilly, VA, United States
- **Contract:** Permanent contract
- **Skills:** Proxmox, Microsoft Windows, Active Directory, Software Applications, Bash Shell, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Message Transfer Agent, Hyper-V, Networking Hardware, Windows PowerShell, Ansible, Virtual Local Area Networks, Virtualization Technology, Network Switches, Saltstack, Infrastructure Automation Frameworks, Information Technology, Nessus, Laptops, Fortinet, Puppet, Firewall Services Module, Network Server, User Accounts, Vmware
- **Published:** October 8, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9225194/systems-administrator-iii

## About the Role

* Typically requires a bachelor's degree in information technology or a related discipline and six or more years of progressive professional systems administration experience in an information technology department. May substitute equivalent working experience in the field in lieu of education.
 * Demonstrated working knowledge of current personal computer technologies including peripheral devices, workstations, laptops and servers.
 * Demonstrated working knowledge of Linux and Windows operating systems.
 * Basic understanding of mail servers, Active Directory, network switches and related infrastructure. Working knowledge of DHCP, DNS and VLAN's.
 * Powershell and/or Bash scripting experience.
 * Basic understanding of security requirements and controls, including STIGs.
 * Security+ Certification, or ability to obtain certification within 30 days.
 * Excellent verbal and written communication skills.
 * Ability to communicate effectively with internal and external stakeholders with a wide range of technical skills.
 * Excellent troubleshooting skills. Ability to diagnose and resolve routine technical issues, and investigate more complex issues as part of a team.
 * Ability to work independently or in a team environment.
 * Ability to work extended hours occasionally to support off-hours support and maintenance tasks.

PREFERRED SKILLS AND EXPERIENCE:

 * Experience with Configuration Management tools (Puppet, SaltStack, Ansible)
 * Experience with CVE remediation (Nessus)
 * Experience with Firewall rules and policies (Fortinet, Palo Alto)
 * Experience with Virtualization (LXD, VMware, Hyper-V, Proxmox)

## Description

* Install, maintain and repair a variety of personal computers, peripheral devices, servers and networking equipment
 * Install and maintain software applications on various Linux and Windows-based operating systems
 * Provide routine hardware and software support for users
 * Provide user training
 * Perform routine diagnosis on failed equipment and software applications
 * Perform repairs or coordinate repair work with other internal and external teams
 * Maintain reports and logs, including equipment inventory
 * Create and maintain user-facing technical documentation and reference materials on a variety of topics
 * Monitor and respond to user support tickets
 * Coordinate with developers for current and future software needs
 * Coordinate with ISSM
 * Manage user accounts

We recognize and appreciate the value and contributions of individuals with diverse backgrounds and experiences and welcome all qualified individuals to apply.