Security Systems Admin: Windows, Linux & Virtualization

Kratos Space Training & Cyber; Colorado Springs (CO); On-site; USD 111,000 - 131,000; Full time

Job summary

Kratos Defense (Colorado Springs) is seeking an experienced System Administrator III for a mission-critical government cybersecurity environment. The role covers Windows and RHEL administration, AD/identity management, and secure baselining with continuous patching and vulnerability management.

Responsibilities include maintaining virtualization platforms (VMware/Hyper-V), implementing DISA STIGs, and supporting incident response and security documentation.

Qualifications

• Current DoD TS/SCI clearance or ability to obtain one
• BS in Information Technology, Cybersecurity, or a related field
• 5–8 years of hands-on systems administration or cybersecurity experience
• Experience supporting Windows and Linux environments, preferably for a government customer
• Industry certifications such as Security+, CASP+, or equivalent required to meet DoDD 8140.03 IAT II requirements

Responsibilities

• Administer and maintain Windows and RHEL Linux servers and virtualized infrastructure
• Configure, secure, monitor, troubleshoot, and maintain OS, applications, virtualization platforms, and network devices
• Manage Active Directory, Group Policy, accounts, authentication, and access controls
• Implement and maintain secure baselines and apply security patches
• Support vulnerability assessments and remediation within timelines
• Assist with incident response activities and recovery
• Develop automation scripts to improve administration and security validation
• Maintain system documentation, SSPs/POA&Ms, and network diagrams

Skills

DoD TS/SCI clearance

Windows/Linux admin

Scripting: PowerShell Bash Python

Security best practices

Troubleshooting

Education

BS in IT or Cybersecurity

Tools

VMware

Hyper-V

DISA STIGs

STIG Viewer

SCAP Compliance Checker

EvaluateSTIG

Job description

Kratos Defense (Colorado Springs) is seeking an experienced System Administrator III for a mission-critical government cybersecurity environment. The role covers Windows and RHEL administration, AD/identity management, and secure baselining with continuous patching and vulnerability management.

Responsibilities include maintaining virtualization platforms (VMware/Hyper-V), implementing DISA STIGs, and supporting incident response and security documentation.