Lab Manager /System Administration

Technical Engagement Network (TEN) Lab Manager Location: Arlington, VA Must have an active Secret Clearance Node is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services. Node is seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux, Splunk and Ansible System Administration to support the design, development, and deployment of advanced cybersecurity capabilities in the customer environment supporting analysts and business continuity of the customer mission. Responsibilities: Serve as a lead 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.

Created: 2026-03-04