Linux Systems Administrator

Base One Technologies; Arlington (VA); Hybrid; USD 110,000 - 150,000; Full time

Job summary

Base One Technologies is seeking a Linux Systems Administrator to manage RHEL environments across development, lab, and production systems. The role emphasizes automation with Ansible and secure operations using Splunk for monitoring and analytics.

You will implement STIGs, maintain dashboards, and work closely with teams across locations to ensure reliable infrastructure and compliant configurations. This on-site position requires federal clearance readiness and teamwork.

Qualifications

• 5+ years of Linux system administration experience.
• 3+ years of Splunk Enterprise administration and log ingestion.
• 3+ years of Ansible automation experience.
• U.S. Citizenship with ability to obtain DHS suitability; active DoD Secret clearance.

Responsibilities

• Oversee Linux RHEL environments across development, lab, and production systems.
• Automate deployment and config management with Ansible playbooks and roles.
• Configure and maintain Splunk Enterprise/Splunk Cloud for monitoring and security analytics.
• Implement security controls, STIG compliance, and access management.
• Develop lab SOPs and contribute to policy development.

Skills

Linux systems administration

Security clearance

Splunk administration

Ansible automation

Collaboration across locations

Education

BS in Computer Science / Computer Engineering / Computer Information Systems / related

HS Diploma + 7+ years lab management or systems administration

Tools

Splunk

Ansible

Job description

Responsibilities

• Serve as a Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across development, lab, and production systems.
• Perform large scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other operating systems and virtual environments to support the TEN infrastructure.
• Supporting the implementation of new technologies and equipment in the lab environment.
• Providing ongoing systems administration, technical support, upgrades, patching and troubleshooting services
• Develop and maintain Ansible playbooks, roles, and workflows to automate application deployment and infrastructure provisioning.
• Configure, deploy, and maintain Red Hat Ansible Automation Platform for large-scale provisioning, configuration management, and compliance enforcement.
• Administer and maintain Splunk Enterprise/Splunk Cloud for system monitoring, security analytics, and operational intelligence
• Implement and monitor security controls, including STIG compliance, access management, and audit configurations for Linux and Splunk systems.
• Develop dashboards and alerts in Splunk for proactive system health, performance, and security event monitoring.
• Performing implementation of granular access control, and monitor systems for acceptable performance and user accessibility, establish back-ups, and monitor systems security.
• Troubleshoot and resolve complex storage problems across the enterprise related to storage and replication strategies across local and wide area networks, monitor channels for storage-related network and system issues and remediate them as they occur.
• Examine and identify efficiencies that can be made to existing procedures, with approval from the customer.
• Managing assigned project components to deliver services in accordance with established objectives.
• Advises and provides insight on development of lab standard operating procedures (SOPs) and policies.
• Employ security concepts, theories, insights, tools and methodologies to mitigate system weaknesses and vulnerabilities.

Required Skills

• U.S. Citizenship
• Must have an active DoD Secret clearance, TS/SCI clearance is preferred.
• Must be able to obtain DHS Suitability.
• 5+ years of directly relevant experience as a Linux System Administrator.
• 3+ years of experience with Splunk Enterprise administration and log ingestion
• 3+ years of experience with Ansible automation (Ansible Core or Ansible Tower/AAP)
• Must be able to work collaboratively across physical locations.

Desired Skills

• Experience with writing technical procedures and standard operating procedures.
• Virtualization automation and optimization.
• Experience with multiple operating systems to include Linux/Unix, Windows, MacOS.

Required Education

BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree or HS Diploma and 7+ years lab management or systems administration experience.

Desired Certifications

• DoD 8140.01 IAT Level II

Notes

Requires on-site work 2-3 days per week, depending on weekly work requirements.