Cyber Lab Lead: Linux, Splunk & Ansible (Onsite)

Castalia Systems; Arlington (TX); On-site; USD 124,000 - 131,000; Full time

Job summary

Castalia Systems is seeking a TEN Lab Manager to lead Linux systems administration and large-scale deployment for a U.S. Government customer onsite in Arlington. You will configure and maintain RHEL environments, automate deployment with Ansible, and manage Splunk for security analytics and monitoring.

The role requires 7+ years in lab or systems administration, experience with Splunk and Ansible, and the ability to work across multiple locations. Clearance: Secret with DHS suitability; U.S.

Qualifications

• BS degree or HS diploma with 7+ years lab management or systems administration experience.
• 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)

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.
• Support the implementation of new technologies and equipment in the lab environment.
• Provide 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.

Education

BS Computer Science, Computer Engineering, Computer Information Systems, Computer Systems Engineering or related degree

Tools

Linux System Administration

Splunk Enterprise Administration

Ansible Automation

Job description

Castalia Systems is seeking a TEN Lab Manager to lead Linux systems administration and large-scale deployment for a U.S. Government customer onsite in Arlington. You will configure and maintain RHEL environments, automate deployment with Ansible, and manage Splunk for security analytics and monitoring.

The role requires 7+ years in lab or systems administration, experience with Splunk and Ansible, and the ability to work across multiple locations. Clearance: Secret with DHS suitability; U.S.