Senior Linux Systems Architect: RHEL, Automation & Security

The One 23 Group; Arlington (VA); Hybrid; USD 120,000 - 180,000; Full time

Job summary

The One 23 Group in Arlington, VA seeks an experienced RHEL systems administrator to design, implement, and support enterprise Linux environments for DoD, IC, and Federal Civilian clients. You will lead automation, virtualization, and backup strategies while ensuring cybersecurity compliance.

Responsibilities include overseeing RHEL administration, applying STIG controls, and guiding junior staff. A Top-Secret clearance with SCI indoctrination is required, along with DoD 8140/8570 IAT-II

Qualifications

• Top-Secret clearance with SCI indoctrination
• DoD 8140/8570 IAT-II Certification (Security+ preferred)
• High School Diploma or equivalent
• 10 years of information technology experience

Responsibilities

• Oversee system administration tasks for multiple RHEL versions with a team
• Implement STIGs to support IAVM and information assurance
• Provide leadership on key tasks and projects and communicate with stakeholders
• Analyze diagnostics and performance, perform upgrades and patch management
• Troubleshoot incidents and document responses, develop standards for RHEL resources
• Plan and execute system upgrades and migrations with customer involvement
• Develop, install, and monitor RHEL systems and subsystems with dev teams
• Support cybersecurity efforts and monitor system security
• Guide junior staff and provide practical solutions for issue resolution

Skills

RHEL administration

VMware

Security+

Perl scripting

Education

DoD 8140/8570 IAT-II Certification

High School Diploma

Tools

NetApp

VMware

Job description

The One 23 Group in Arlington, VA seeks an experienced RHEL systems administrator to design, implement, and support enterprise Linux environments for DoD, IC, and Federal Civilian clients. You will lead automation, virtualization, and backup strategies while ensuring cybersecurity compliance.

Responsibilities include overseeing RHEL administration, applying STIG controls, and guiding junior staff. A Top-Secret clearance with SCI indoctrination is required, along with DoD 8140/8570 IAT-II