Systems Administrator 802

Freedom Technology Solutions Group is looking for a Linux System Administrator (SA) to join our team at a customer site in McLean, VA to support a mission-critical geospatial data visualization application. The Linux SA will be responsible for the day-to-day operation of enterprise Linux systems. In this role, you will operate, monitor, secure, and maintain Linux-based infrastructure across physical, virtual, and cloud-hosted environments. Your focus will be on system availability, performance, backups, security compliance, and proactive operations, using automation, monitoring, and disciplined operational practices to keep systems reliable and compliant. This is a hands-on role for an experienced Linux SA who takes ownership and operates effectively in availability- and compliance-driven production environments.

Responsibilities:

• Administer, configure, and maintain enterprise Linux servers (RHEL 8) across on-prem and cloud environments, ensuring system stability, performance, and security
• Support cloud-based infrastructure (AWS, GCP), including provisioning Linux hosts, monitoring system health and resource utilization, and optimizing compute, storage, and cost as part ofday-to-day operations.
• Perform advanced troubleshooting of system, network, an