Systems Administrator - Linux

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

CAREERS

At Auria, we believe in elevating people to achieve the extraordinary. We seek individuals with the desire to be part of something bigger and the courage to invest themselves in the outcomes.

As a proven leader in Engineering and Technology solutions for the Department of Defense and civil organizations, our teams provide leading expertise in Software and Systems Engineering, Cyber Solutions, and Specialized Mission Operations that advance critical missions.

When you join Auria, you become part of a team with a deep sense of responsibility and purpose. We foster an environment of collaboration, support, and growth, where you can rise together with your colleagues and make a real difference.

Open Roles

Explore Open Positions

Position: Systems Administrator - Linux

Location: Warrenton, VA

Remote Status: On-Site

Job Id: 13939-CORP - Alex

# of Openings: 1

Auria is looking to hire a Systems Administrator - Linux to support the company. This role is ONSITE in either Warrenton or Reston, VA.

What you can expect to do

• Linux systems: Provision, configure, patch, upgrade, and decommission enterprise Linux servers. Maintain services, packages, repositories, storage, filesystems, scheduled jobs, and logs; troubleshoot operating system, application, hardware, and performance issues across production, development, test, and laboratory environments.
• Linux endpoints: Provision and support engineering and developer workstations. Standardize configurations, approved software deployment, patching, and remote administration; resolve desktop, hardware, authentication, and connectivity issues. Coordinate escalations with the service desk and engineering teams.
• Automation and configuration: Develop reusable Ansible playbooks, roles, inventories, and Bash scripts for provisioning, patching, configuration, deployment, and baseline verification. Apply infrastructure-as-code practices; maintain version-controlled automation, secure credentials, testing, and rollback procedures to improve consistency and efficiency.
• Virtualization: Support Linux workloads on Proxmox and other approved platforms, including VMware Workstation and Microsoft Hyper‑V for engineering use. Maintain virtual machines, templates, resource allocations, networking, storage, and snapshots; troubleshoot host and guest dependencies within assigned responsibilities.
• Engineering infrastructure: Build repeatable Linux development, integration, testing, and build environments. Support Docker and assist with Kubernetes where deployed. Coordinate automation and Continuous Integration/Continuous Delivery (CI/CD) integration with Platform Operations and developers within established ownership boundaries.
• Security and access: Implement approved hardening, vulnerability remediation, logging, and access controls. Manage accounts, permissions, privileged access, Secure Shell (SSH), keys, certificates, and identity integration. Support incident containment and recovery under Cybersecurity direction; preserve logs and provide configuration and remediation evidence.
• Reliability and connectivity: Monitor health, availability, performance, and capacity; resolve alerts and escalated incidents. Test backups, restoration, and disaster recovery. Diagnose host networking and firewall issues with Network Engineering; perform root‑cause analysis and scheduled after‑hours maintenance or operational escalation.
• Documentation and change: Maintain configuration records, procedures, diagrams, automation documentation, and troubleshooting guides. Test and document changes, follow approval processes, communicate service impacts and risks, share knowledge, and implement improvements that reduce recurring incidents.

What the team requires

• Mission-Driven Professional: Collaborative contributor motivated by the opportunity to develop cutting‑edge solutions that protect and serve both the nation and the world.
• Advanced hands‑on proficiency in Linux server and endpoint administration, troubleshooting, system services, packages, permissions, and lifecycle management. Proficiency with Ubuntu; experience with Debian, Red Hat Enterprise Linux (RHEL), Rocky Linux, or AlmaLinux is also relevant.
• Intermediate or greater proficiency with Ansible and Bash scripting; practical knowledge of Git, configuration management, testing, and infrastructure‑as‑code practices. Familiarity with centralized Linux management platforms and Ubuntu server and endpoint lifecycle management.
• Working knowledge of virtualization, storage, filesystems, host firewalls, TCP/IP networking, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), and diagnostic tools. Familiarity with Active Directory, Microsoft Entra ID, Lightweight Directory Access Protocol (LDAP), Kerberos, and enterprise authentication.
• Practical knowledge of Linux hardening, vulnerability remediation, least privilege, logging, monitoring, and recovery. Familiarity with tools such as Prometheus, Grafana, Zabbix, LibreNMS, or equivalent platforms; container concepts and basic cloud infrastructure knowledge.
• Clear communication, accurate documentation, customer focus, sound judgment, integrity, and initiative. Ability to prioritize work, independently resolve assigned issues, recognize escalation thresholds, and collaborate across technical and business teams.

Required Qualifications (Education, Experience & Certifications)

• Bachelor’s degree in information technology, computer science, cybersecurity, engineering, or a related discipline.
• 3-6 years of relevant experience of progressively responsible systems administration or infrastructure operations experience, including hands‑on Linux administration in an enterprise, engineering, development, or comparably complex environment.; or an equivalent combination of education, training and experience.
• Demonstrated experience administering Ubuntu servers and endpoints, developing scripting or configuration automation, and supporting virtualized systems.
• Working knowledge of networking, identity integration, security hardening, and vulnerability remediation; ability to perform scheduled maintenance and occasional after‑hours support.
• Preferred certifications: Linux Foundation Certified System Administrator (LFCS), CompTIA Linux+, or equivalent demonstrated proficiency. Red Hat Certified System Administrator (RHCSA) or Red Hat Certified Engineer (RHCE) credentials are also relevant. Relevant Ansible or automation credentials and CompTIA Security+ are advantageous.

What the team prefers

• Preferred environment experience: Proxmox, centralized Linux management, container platforms, or Amazon Web Services (AWS) GovCloud. Aerospace, defense, or another regulated sector; supporting Cybersecurity