Systems Administrator – AWS GovCloud with Security Clearance

We are seeking an Active DoD Secret‑cleared Systems Administrator to support classified AWS GovCloud (US) infrastructure for a mission‑critical Department of Defense program at Scott Air Force Base. This role is on‑site and supports secure IL4/IL5 environments. What You’ll Be Doing

• Administer and maintain Windows Server systems supporting classified workloads in AWS GovCloud
• Manage and support AWS services including EC2, IAM, VPC, S3, RDS, CloudWatch, and KMS
• Ensure compliance with RMF, DISA STIGs, FedRAMP High, and NIST 800‑53
• Perform system patching, backups, logging, and monitoring
• Support ATO activities, POA&Ms, audits, and continuous monitoring efforts
• Implement and enforce security best practices including access controls and logging
• Provide Tier 3 support and participate in incident response and root‑cause analysis
• Maintain system documentation, diagrams, and standard operating procedures Required Qualifications
• Active DoD Secret clearance (must be current)
• Security+ CE or higher (IAT Level II or III)
• 3+ years of Windows Systems Administration experience
• Hands‑on experience supporting AWS GovCloud (US) environments
• Experience working in classified or DoD‑regulated environments
• Familiarity with RMF, DISA STIGs, and security compliance processes
• Strong troubleshooting, documentation, and communication skills

Preferred Qualifications

• Experience supporting IL5 / IL6 workloads
• Automation or scripting experience (PowerShell, Python, Bash, Terraform)
• Experience with centralized logging or SIEM tools (Splunk, ELK)
• Prior experience working with DISA or government assessment teams
• GIS / Geospatial / ESRI experience (highly desirable) Additional Information
• On‑site role at Scott AFB
• Contract‑to‑hire on a growing, long‑term DoD program
• No travel required