Senior IT Systems Administrator – DoD RMF & Security

CAE; Arlington (TX); On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Benefits package

Respectful workplace

Autonomy to decide

Professional development

Job summary

CAE USA Inc. seeks a mission-focused Senior System Administrator to support IT operations, cybersecurity readiness, and development environments in a defense contracting setting.

The role emphasizes Windows and Linux administration, hardening, patching, and compliance with DoD RMF, NIST SP 800-53, and DISA STIG requirements. The position requires a DoD Secret Clearance, US citizenship, and experience with mixed Windows/Linux infrastructures, VMware, and network administration.

Qualifications

• BS/BA in an engineering, computer science, or information technology discipline; Master’s degree or above preferred.
• Minimum of 5 years of related experience.
• Linux System Administration and Windows System Administration.
• Windows Server System Administration and VMware Administration.
• Network Administration and TCP/IP expertise.
• Scripting with Bash, Python, and PowerShell; command line proficiency.
• Ability to obtain DoD Security Clearance and DoD 8140.03 certifications.

Responsibilities

• Linux System Administration
• Windows System Administration
• VMware Administration
• Network Administration
• Infrastructure setup and maintenance
• Development of Automated system deployment capabilities
• Supports and monitors infrastructure hardware, OS and apps for reliability and availability.

Skills

Linux System Administration

Windows System Administration

VMware Administration

Network Administration

Bash scripting

Python scripting

PowerShell scripting

Event/audit analysis

TCP/IP networking

Education

BS/BA in engineering/CS/IT

Master’s degree preferred

Tools

NAS storage

SAN storage

NFS storage

Cisco routers

HP/Aruba switches

Juniper switches

GitHub

Job description

CAE USA Inc. seeks a mission-focused Senior System Administrator to support IT operations, cybersecurity readiness, and development environments in a defense contracting setting.

The role emphasizes Windows and Linux administration, hardening, patching, and compliance with DoD RMF, NIST SP 800-53, and DISA STIG requirements. The position requires a DoD Secret Clearance, US citizenship, and experience with mixed Windows/Linux infrastructures, VMware, and network administration.