Senior Linux Systems Administrator – TS/SCI

General Dynamics Information Technology; Maryland; On-site; USD 120,000 - 150,000; Full time

Job summary

General Dynamics Information Technology is seeking a Systems Administrator SME to advance mission-critical IT in a dynamic environment. The role emphasizes Linux/Windows CLI proficiency, system automation, and virtualization across platforms, with a strong focus on security and compliance.

You will support DoD-related infrastructure in a highly secure setting. US citizenship is required, with an Active TS/SCI w/ Polygraph clearance.

Qualifications

• Must have 10+ years of related experience.
• Knowledge of Linux and Windows operating systems and CLI.
• Familiarity with scripting languages (e.g Bash, PowerShell).
• Experience with system automation tools (AD, Group Policy).
• Knowledge of TCP/IP, DNS, DHCP networking basics.
• Experience with virtualization technologies (VMware, KVM, Docker; Hyper-V).
• Experience with monitoring/logging tools (Splunk, Zabbix, ELK).
• Understanding of security best practices and protocols.

Skills

Linux/Windows CLI

Scripting (Bash/PowerShell)

Automation tools (AD, Group Policy)

Networking (TCP/IP, DNS, DHCP)

Virtualization (VMware, KVM, Hyper-V)

Monitoring/Logging (Splunk, Zabbix, EL

Security best practices

Education

Technical Training / Certification / Degree

Tools

Active Directory

Group Policy

VMware

KVM

Docker

Hyper-V

Splunk

Zabbix

ELK

Job description

General Dynamics Information Technology is seeking a Systems Administrator SME to advance mission-critical IT in a dynamic environment. The role emphasizes Linux/Windows CLI proficiency, system automation, and virtualization across platforms, with a strong focus on security and compliance.

You will support DoD-related infrastructure in a highly secure setting. US citizenship is required, with an Active TS/SCI w/ Polygraph clearance.