Senior Systems Administrator - DoD/IC, On-Site St. Louis

Ennoble First Inc.; St. Louis (MO); On-site; USD 125,000 - 150,000; Full time

Benefits offered by this job

Relocation Assistance

Job summary

Ennoble First is seeking a Senior Systems Administrator to support the NGA in St. Louis, MO. You will maintain and enhance enterprise applications, ensuring reliability, security, and performance of critical systems used in intelligence operations.

On-site role requiring Active TS/SCI with Poly, 8+ years of experience in enterprise systems administration, and strong RMF/STIG compliance knowledge. Bachelor's degree or higher preferred.

Qualifications

• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field with 8–12 years of experience, or Master's with 6–10 years of experience.
• 8+ years of enterprise systems administration experience.
• Experience supporting mission-critical DoD or Intelligence Community environments.
• Strong administration experience with Windows Server, RHEL, VMware vSphere, AD, DNS/DHCP, GPO.
• Scripting/automation using PowerShell, Bash, or Python; STIG compliance; RMF security controls.

Responsibilities

• Administer, maintain, and support enterprise applications in the customer environment.
• Install, configure, patch, upgrade, and manage Windows and Linux servers.
• Monitor system health, performance, and availability with enterprise tools.
• Troubleshoot complex hardware, software, OS, and application issues.
• Support deployment across development, test, staging, and production environments.
• Coordinate maintenance windows and upgrade activities with minimal downtime.
• Develop automation scripts in PowerShell, Bash, or Python.

Skills

DoD/IC environments experience

RMF/STIG compliance knowledge

PowerShell/Bash/Python scripting

Active TS/SCI with Poly

Troubleshooting & analytical skills

Education

Bachelor's degree in IT/CS/Engineering or related field

Tools

Windows Server

RHEL

VMware vSphere

Active Directory

DNS/DHCP

Group Policy

Job description

Ennoble First is seeking a Senior Systems Administrator to support the NGA in St. Louis, MO. You will maintain and enhance enterprise applications, ensuring reliability, security, and performance of critical systems used in intelligence operations.

On-site role requiring Active TS/SCI with Poly, 8+ years of experience in enterprise systems administration, and strong RMF/STIG compliance knowledge. Bachelor's degree or higher preferred.