Senior System Administrator — DoD Secret Clearance

CAE USA; Arlington (TX); On-site; USD 95,000 - 130,000; Full time

Benefits offered by this job

Benefits package

Work-life balance

Professional development

Job summary

CAE USA is seeking a mission-focused Senior System Administrator to support IT operations, advanced technical support and cybersecurity readiness in a defense contracting setting. The role emphasizes Windows and Linux administration, RMF alignment, and DISA STIG compliance for DoD requirements.

You will build and maintain mixed environments, automate deployments, and work with engineers to ensure reliability, security, and performance across multiple sites, including customer locations.

Qualifications

• BS/BA in engineering, computer science, or information technology.
• Minimum 5 years of related experience in system administration.
• DoD compliance experience and security clearances preferred.

Responsibilities

• Administer Linux and Windows systems in DoD/compliant environments.
• Manage virtualization with VMware and associated infrastructure.
• Configure, deploy, and maintain automated system deployment processes.
• Support infrastructure hardware, OS, and applications for reliability.
• Collaborate with engineers and vendors to resolve issues.

Skills

Linux System Administration

Windows System Administration

VMware Administration

Network Administration

Scripting (bash, Python, PowerShell)

Education

BS/BA in engineering, computer science, or IT

Master's degree preferred

Tools

VMWare

Git

Nessus/SCAP

Job description

CAE USA is seeking a mission-focused Senior System Administrator to support IT operations, advanced technical support and cybersecurity readiness in a defense contracting setting. The role emphasizes Windows and Linux administration, RMF alignment, and DISA STIG compliance for DoD requirements.

You will build and maintain mixed environments, automate deployments, and work with engineers to ensure reliability, security, and performance across multiple sites, including customer locations.