Windows Systems Administrator – Classified, TS/SCI, On‑Site

The Aerospace Corporation; Chantilly (VA); On-site; USD 75,300 - 113,000; Full time

Job summary

The Aerospace Corporation is hiring for a Classified Windows System Administrator responsible for deploying and maintaining our enterprise-grade Windows server infrastructure, both on‑premise and in cloud environments. You will work within the Computational Services team to secure mission-critical assets and support remote access solutions for distributed teams.

Requirements include 3+ years of Windows administration, 2+ years of virtualization experience (VMware/Hyper-V), strong communication,

Qualifications

• High School Diploma or equivalent is not stated; see requirements for senior roles.
• Minimum (3) years of enterprise Windows administration experience with provisioning, configuration, troubleshooting, and security hardening for classified/unclassified environments.
• Minimum (2) years of virtualization experience with VMware or Hyper-V.
• Ability to articulate ideas clearly in writing and speaking to diverse stakeholders.
• Strong time management and task prioritization skills.
• Willingness to obtain DoD 8570.01‑m IAT Level II (CompTIA Security+).
• Active TS/SCI clearance and U.S. citizenship required.

Responsibilities

• Manage and deploy enterprise-grade Windows server systems for high-demand environments.
• Oversee and optimize virtual server environments for efficiency and scalability.
• Implement security hardening and continuous monitoring for compliance.
• Apply security updates and remediate vulnerabilities promptly.
• Provide support for remote access solutions (Citrix, Windows Terminal Server).
• Install and maintain server hardware and storage and ensure robust IT foundation.

Skills

Windows administration

Virtualization

Security hardening

DoD 8570 IAT II

TS/SCI clearance

Clear communication

Time management

Education

Bachelor's degree in Computer Science/Engineering/Information Systems/Technology

Tools

VMware ESXi

vCenter

Hyper-V

Windows Admin Center

Puppet

PowerShell DSC

Ansible

Bash

PowerShell

Terraform

Python

Job description

The Aerospace Corporation is hiring for a Classified Windows System Administrator responsible for deploying and maintaining our enterprise-grade Windows server infrastructure, both on‑premise and in cloud environments. You will work within the Computational Services team to secure mission-critical assets and support remote access solutions for distributed teams.

Requirements include 3+ years of Windows administration, 2+ years of virtualization experience (VMware/Hyper-V), strong communication,