Windows Systems Administrator - ACTIVE SECRET CLEARANCE REQUIRED - Remote

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

• 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)

$110,000 - $120,000 a year - Full-time, Pulled from the full job description

• 401(k)
• Health insurance
• Retirement plan
• 401(k) matching
• Paid time off
• Employee discount
• Vision insurance, * 401(k)
• 401(k) matching
• Dental insurance
• Employee discount
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Retirement plan
• Vision insurance

License/Certification:

• CompTIA Security+ (Required)

Security clearance:

• Secret (Required)