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# Windows Systems Administrator - ACTIVE SECRET CLEARANCE REQUIRED - Remote

- **Company:** Cornerstone Tech, Inc.
- **Location:** United States (Remote available)
- **Experience:** Experienced
- **Salary:** $110,000.0 - $120,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Amazon Web Services, Cloud Computing, CompTIA Security+, Cyber Security, System Configuration, Monitoring of Systems, Network Troubleshooting, Windows Servers, Virtualization Technology, HybridCloud, SC Clearance, Infrastructure Automation Frameworks, Terraform, Oracle Cloud Infrastructure
- **Published:** July 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=be0977be4071a45d

## About the Role

* Active Secret Clearance
 * DoD 8570 IAT II certification (e.g., CompTIA Security+)
 * Minimum of 4 years of hands-on experience in Windows Systems Administration
 * Proven experience managing virtualized environments and deploying/managing resources within cloud platforms, specifically emphasizing OCI (Oracle Cloud Infrastructure) and AWS (Amazon Web Services)
 * Strong, demonstrated experience configuring, managing, and troubleshooting Domain Name System (DNS) configurations and resolution issues
 * Experience with Infrastructure as Code tools (e.g., Terraform) and OCI native images is highly preferred

Preferred Qualifications

 * Experience supporting, monitoring, or configuring enterprise cybersecurity tools
 * Prior experience implementing, managing, and troubleshooting Active Directory Group Policies (GPOs)

## Description

Cornerstone Technology Enterprises is seeking an experienced Windows Systems Administrator to manage, optimize, and secure our hybrid enterprise infrastructure spanning on-premises environments and public cloud platforms. This role configures high-availability Windows Server environments, administers Active Directory, and manages virtualized and cloud-based resources to ensure peak system performance and strict security compliance.

The ideal candidate brings a strong foundation in hybrid operations, with a particular focus on Oracle Cloud Infrastructure (OCI) and Amazon Web Services (AWS) environments, along with robust network troubleshooting capabilities.

Key Responsibilities

Infrastructure Management

 * Configure, maintain, and secure Windows Server environments across physical, virtualized, and hybrid cloud infrastructures

Identity & Access Control

 * Administer and optimize Active Directory (AD) structures, object permissions, and domain services

Cloud Operations

 * Deploy, monitor, and manage compute resources, with an emphasis on OCI and AWS ecosystems

System Performance & Compliance

 * Proactively monitor system performance, apply patches, and enforce security policies across all platforms to maintain operational compliance

Automation

 * Utilize Infrastructure as Code (IaC) tools (e.g., Terraform) and leverage cloud-native images to streamline system deployments and configurations, Cornerstone Technology Enterprises is a veteran-owned small business with deep experience supporting federal and defense missions. Our teams operate inside production environments, supporting systems that matter, while maintaining a culture that values trust, accountability, and technical excellence.

This role offers the opportunity to work remotely while contributing directly to the availability, security, and performance of a mission-critical enterprise environment for the DMDC IT GEMS program.

Pay: $110,000.00 - $120,000.00 per year


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