Windows System Administrator

The Aerospace Corporation

Join The Aerospace Corporation as a Classified Windows System Administrator managing corporate server infrastructure. Collaborate with engineers and scientists to advance national space missions.

Posted 5/9/2026full-timeEl Segundo • California, Virginia • 🇺🇸 United StatesJuniorMid-Level💰 $31 - $56 per hourWebsite

Tech Stack

Tools & technologies

CitrixNFSTypeScriptVMware

About the role

Key responsibilities & impact

Expertly manage and deploy enterprise-grade Windows server systems, ensuring robust performance and reliability in high-demand environments.
Oversee and optimize virtual server environments and infrastructure operations to maximize efficiency and scalability.
Implement rigorous system hardening measures and continuous monitoring to maintain optimal security posture and compliance with industry standards.
Apply critical security updates and remediate system vulnerabilities promptly, safeguarding infrastructure against evolving threats.
Provide comprehensive support for remote access solutions such as Citrix and Windows Terminal Server, ensuring secure and seamless connectivity for distributed teams.
Install, operate, and maintain high-performance server hardware and storage solutions, reinforcing a stable and resilient IT foundation.

Requirements

What you’ll need

High School Diploma or equivalent is required.
Minimum (2) years of experience in enterprise Windows administration including provisioning, configuration, troubleshooting, performance tuning, and security hardening for classified and unclassified enterprise environments is required.
Minimum (1) year of enterprise virtualization experience with either VMware or Hyper-V is required.
Proven ability to articulate ideas clearly and effectively in both written and verbal formats, facilitating seamless collaboration with diverse stakeholders.
Demonstrated expertise in time management and task prioritization, ensuring efficient execution of responsibilities even in high-pressure environments.
Ability to obtain DoD 8570.01-m requirements for IAT Level II personnel such as CompTIA Security+ certification is required.
This position requires a current and active TS/SCI security clearance, which is issued by the U.S. government.
In addition, for Systems Administration Specialist III:
Minimum (3 years in enterprise Windows administration including provisioning, configuration, troubleshooting, performance tuning, and security hardening for classified and unclassified enterprise environments is required.
Minimum (3) years of experience supporting an enterprise-scale Windows environment that includes NFS or Windows file system shares and Active Directory integration is required.

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Windows server administrationsystem hardeningperformance tuningtroubleshootingenterprise virtualizationVMwareHyper-Vremote access solutionsCitrixActive Directory

Soft Skills

communicationtime managementtask prioritizationcollaboration

Certifications

CompTIA Security+DoD 8570.01-m IAT Level II