Senior Linux System Administrator - DoD/IC Infra Automation

Amatriot Group, LLC; Beavercreek (OH); On-site; USD 90,000 - 130,000; Full time

Job summary

Amatriot Group, LLC in Beavercreek, Ohio seeks a Linux System Administrator to support DoD/IC deployments. The role focuses on installation, configuration, security, and performance of Linux-based systems across the enterprise, with a short-term contract ending December 2026.

Responsibilities include managing Red Hat, Rocky Linux, Ubuntu, applying patches, automating with Ansible, and coordinating changes with IT and security teams; DoD 8140 cert preferred.

Qualifications

• Bachelor’s degree in CS, CE, or related field.
• 5+ years administering enterprise Linux environments.
• Experience with Ansible automation.
• Experience with VMware vSphere.
• Knowledge of SSH, DNS, TCP/IP, and firewalls.
• DoD 8140 certification or equivalent desired.

Responsibilities

• Install, configure, and maintain Linux clients and servers.
• Perform patch management and security hardening.
• Manage access via AD/LDAP.
• Develop automation scripts with Bash, Python, Ansible.
• Create and maintain system documentation.
• Coordinate outages and changes with teams.

Skills

Linux admin

Ansible automation

VMware vSphere

SSH/Networking

Security hardening

Documentation

Education

Bachelor's degree in CS/ENG

Tools

Git

CI/CD pipelines

Bitbucket

GitLab

VMware vSphere

Job description

Amatriot Group, LLC in Beavercreek, Ohio seeks a Linux System Administrator to support DoD/IC deployments. The role focuses on installation, configuration, security, and performance of Linux-based systems across the enterprise, with a short-term contract ending December 2026.

Responsibilities include managing Red Hat, Rocky Linux, Ubuntu, applying patches, automating with Ansible, and coordinating changes with IT and security teams; DoD 8140 cert preferred.