Linux Systems Administrator – On-Site (Warrenton/Reston)

Auria; Warrenton (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Auria in Warrenton, VA is seeking a Systems Administrator - Linux to design, implement, and maintain enterprise Linux infrastructure across production, development, and lab environments. The role emphasizes automation, security hardening, and reliable operations on Ubuntu and various Linux distros.

You will build and support virtualization, CI/CD integration, and monitoring, collaborating with engineering and IT teams to ensure service availability and performance.

Qualifications

• Advanced hands-on proficiency in Linux server and endpoint administration and lifecycle management.
• Proficiency with Ubuntu; experience with Debian, RHEL, Rocky Linux, or AlmaLinux.
• Intermediate knowledge of Git, configuration management, testing, and infrastructure-as-code practices.
• Familiarity with centralized Linux management platforms and lifecycle management.
• Working knowledge of virtualization, storage, networking, DNS, DHCP, and diagnostic tools.
• Familiarity with Active Directory, Microsoft Entra ID, LDAP, Kerberos, and enterprise authentication.
• Practical knowledge of Linux hardening, vulnerability remediation, logging, monitoring, and recovery.
• Clear communication, accurate documentation, and collaboration across teams.

Responsibilities

• Linux systems: Provision, configure, patch, upgrade, and decommission enterprise Linux servers and endpoints.
• Automate provisioning and configuration using Ansible playbooks and Bash scripts.
• Maintain virtualization environments (Proxmox, VMware, Hyper-V) and CI/CD integration.
• Monitor health, performance, and capacity; troubleshoot incidents and perform root-cause analysis.
• Implement security hardening, access controls, and incident containment with logs preserved.
• Document changes, procedures, and troubleshooting guides; communicate service impacts.

Skills

Linux server administration

Ubuntu/Linux

Ansible

Bash scripting

Git

Virtualization

Networking

Identity & auth

Security hardening

Monitoring

Communication

Education

Bachelor’s degree

Tools

Proxmox

AWS GovCloud

Docker

Kubernetes

Job description

Auria in Warrenton, VA is seeking a Systems Administrator - Linux to design, implement, and maintain enterprise Linux infrastructure across production, development, and lab environments. The role emphasizes automation, security hardening, and reliable operations on Ubuntu and various Linux distros.

You will build and support virtualization, CI/CD integration, and monitoring, collaborating with engineering and IT teams to ensure service availability and performance.