The Aerospace Corporation · 1 day ago
Classified Systems Administrator
El Segundo, CA
Full-time
Onsite
Senior Level, Lead/Staff
$95K/yr - $143K/yr
6+ years expThe Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As a Classified Systems Administrator, you will oversee server and endpoint infrastructure that supports critical missions, ensuring compliance with security requirements and improving system administration processes.
AerospaceGovernmentInnovation ManagementMilitary
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Perform all aspects of system administration, including:
Installing, configuring, and patching operating systems and applications
Managing user accounts, permissions, and group policies
Maintaining and monitoring system performance and availability
Responding to and resolving incidents, from Tier 1 user support through Tier 3 complex technical issues
Administer and improve endpoint protection, backup, and disaster recovery capabilities
Develop PowerShell and Ansible scripts to automate administration and compliance tasks
Evaluate and remediate security findings from Tenable (ACAS) and SCAP/STIG tools
Maintain compliance with RMF, NIST 800-53, and DISA STIG requirements
Qualification
Required
A minimum of (6) or more years of increasingly responsible and relevant professional experience with a Bachelor's degree OR a minimum of (4) or more years of increasingly responsible and relevant professional experience with a Master's degree is required
DoD approved 8570/8140 baseline certification such as Security+ or equivalent are required
Proficiency with Windows Server/Active Directory & Windows Desktop
Working knowledge of RMF, NIST 800-53, and DISA STIGs
Demonstrated ability to remediate vulnerabilities identified by ACAS and SCAP tools
A current and active Secret security clearance, which is issued by the U.S. government is required. U.S. citizenship is required to obtain a security clearance
A minimum of (8) or more years of increasingly responsible and relevant professional experience with a Bachelor's degree OR a minimum of (10) or more years of increasingly responsible and relevant professional experience with a Master's degree is required
Experience with virtualization platforms (Hyper-V, VMWare VSphere) and Cisco networking (IOS, Nexus OS) is required
Hands-on experience with Docker and Kubernetes
Experience automating repetitive tasks with scripting or DevOps tools
Knowledge and experience deploying SPLUNK and other cyber tools
Preferred
Advanced degree/certifications is preferred
Experience with virtualization platforms (Hyper-V, VMWare VSphere) is strongly desired
A current and active TS/SCI security clearance, which is issued by the U.S. government, is strongly preferred. U.S. citizenship is required to obtain a security clearance
Benefits
Comprehensive health care and wellness plans
Paid holidays, sick time, and vacation
Standard and alternate work schedules, including telework options
401(k) Plan — Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire
Flexible spending accounts
Variable pay program for exceptional contributions
Relocation assistance
Professional growth and development programs to help advance your career
Education assistance programs
An inclusive work environment built on teamwork, flexibility, and respect
Company
The Aerospace Corporation
As the government’s preeminent space innovation partner, Aerospace brings technical expertise to advance the nation's missions in space.
1001-5000 employees
Funding
Current Stage
Late StageLeadership Team
Tanya Pemberton
President & CEO
Ashley Kowalski
Project Leader - International Partnerships
Recent News
Washington Technology
2026-01-12
2025-12-27
2025-12-21
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