Systems Administrator 706

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.

• 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, and application issues, using in-depth log analysis and system diagnostics to identify root causes and resolve complex production problems.
• Perform OS maintenance activities, including system updates, patching, performance tuning, configuration management, and security hardening in accordance with operational and compliance requirements.
• Develop and maintain automation using Bash, Python, Ansible, or similar tools to streamline system administration tasks, reduce manual effort, and improve operational consistency.
• Install, configure, and support Linux-hosted software applications, virtualization platforms, and associated infrastructure components required to support mission workloads.
• Document system configurations, operational procedures, and troubleshooting guidance, and contribute to shared knowledge bases to support team continuity and operational maturity.
• Provide tiered help desk support to system users, including issue triage, escalation, and resolution.