General Dynamics Mission Systems · 4 hours ago
IT System Administrator
Scottsdale, AZ
Full-time
Onsite
Senior Level
5+ years expGeneral Dynamics Mission Systems is a leading provider of high technology solutions and services for defense and scientific missions. The IT System Administrator will support Information System Risk Management Framework activities and maintain the security posture of Information Systems for DoD security programs.
AerospaceBusiness Information SystemsInformation ServicesInformation TechnologyNational SecuritySensor
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform weekly system audit reviews, media reviews, hardware/software configuration management
Perform monthly scans and coordinate with team members to adjudicate results
Execute security testing and evaluation to ensure correct implementation of security controls
Support the assessment and mitigation of vulnerabilities throughout a systems life cycle
Perform incident response and cleanup actions when necessary per company or customer directions
Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP)
Qualification
Required
Bachelor's degree in a related specialized area or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience
Department of Defense TS/SCI security clearance with Polygraph is required at time of hire
U.S. citizenship is required
RHEL (Red Hat Enterprise Linux) & Windows Administration Experience
Experience with various system security assessment/hardening tools - SCAP Compliance Checker, STIG Viewer, ACAS/Nessus, etc
Trained and proficient in Assured File Transfer (AFT) procedures
Self-starter with the ability to operate independently with minimal supervision
Install and configure servers
Understanding of STGs & Vulnerability resolution
Perform weekly system audit reviews, media reviews, hardware/software configuration management
Perform monthly scans and coordinate with team members to adjudicate results
Execute security testing and evaluation to ensure correct implementation of security controls
Support the assessment and mitigation of vulnerabilities throughout a systems life cycle
Perform incident response and cleanup actions when necessary per company or customer directions
Ensure systems are operated, maintained, and disposed of in accordance with internal security policies and procedures outlined in the System Security Plan (SSP)
Preferred
Outstanding communications skills
Ability to work collaboratively in a cross-functional team throughout the system life cycle
DoD 8570 Certification meeting IAM Level I (e.g., Security + CE, CAP, GSLC)
Adjudicated polygraph
Cleared TS/ SCI
Company
General Dynamics Mission Systems
General Dynamics Mission Systems designs and delivers critical systems and products for defense and cybersecurity customers. It is a sub-organization of General Dynamics.
10001+ employees
Funding
Current Stage
Late StageLeadership Team
Bo Elam
VP and CFO
Scott Butler
Senior Vice President Program Execution
Recent News
Washington Technology
2026-01-17
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