Linux Systems Administrator

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.