Space Systems Administrator — DoD RMF & Security

Amentum; Vandenberg Village (CA); On-site; USD 90,000 - 95,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Educational reimbursement

Paid time off

Job summary

Amentum is seeking a System Administrator Professional to support the Space Force Range Contract (SFRC) in California. The role involves configuring, managing, and troubleshooting Windows and Linux servers and related network infrastructure to ensure reliable operations.

Key duties include proactive system monitoring, backups, and applying STIGs/RMF controls to maintain Authority to Operate. Eligible candidates hold DoD 8140 IAT Level II or higher and can obtain/maintain U.S.

Qualifications

• Bachelor's degree in IT/CS/cybersecurity or related field with 3+ years of relevant experience, or equivalent combo of education and certifications.
• DoD 8140 IAT Level II (or higher) certification required (e.g., Security+ CE).
• Strong experience with Windows and Linux operating systems; hands-on with network devices and enterprise services.

Responsibilities

• Configure, manage, and troubleshoot Windows and Linux servers/workstations and network infrastructure.
• Provide expert-level troubleshooting for hardware, software, and network issues (Tier 1/2 escalation).
• Monitor system performance, perform backups, and ensure data integrity and continuity.

Skills

Windows OS

Linux OS

Active Directory

Networking

Troubleshooting

Security clearance

Education

Bachelor's degree in IT/CS/cybersecurity

Tools

Windows Server

Linux Server

Network hardware (Cisco/HP/Juniper/Palo Alto)

VMware/Hyper-V

STIG/RMF tooling

Job description

Amentum is seeking a System Administrator Professional to support the Space Force Range Contract (SFRC) in California. The role involves configuring, managing, and troubleshooting Windows and Linux servers and related network infrastructure to ensure reliable operations.

Key duties include proactive system monitoring, backups, and applying STIGs/RMF controls to maintain Authority to Operate. Eligible candidates hold DoD 8140 IAT Level II or higher and can obtain/maintain U.S.