Senior Linux Systems Administrator: Automation & Orchestration

Trinzic; Alexandria (VA); On-site; USD 130,000 - 170,000; Full time

Job summary

KBR is seeking a Senior Linux Systems Administrator with a strong focus on automation to join our team supporting critical DoD networks in Virginia. Design, deploy, and maintain robust Linux-centric server architectures while automating provisioning, patching, and hardening using Ansible across distributed test networks.

The role requires active TS clearance, 10+ years in system administration, and hands-on experience with RHEL, virtualization, and container platforms.

Qualifications

• Active Top Secret clearance required.
• Minimum 10 years in a Systems Administrator or Systems Engineering role.
• Technical Bachelor’s degree or equivalent experience.
• Proficiency with Enterprise Linux (RHEL 7/8/9), storage, systemd, firewalld, SELinux, and Bash scripting.
• Hands-on Ansible playbooks, inventories, and automation workflows.

Responsibilities

• Install, configure, optimize, and maintain enterprise Linux distributions across bare-metal and virtualized environments.
• Develop, test, and maintain Ansible playbooks and roles for provisioning, hardening, and patching.
• Support containers and orchestration with Docker/Podman/Kubernetes.
• Automate DISA STIG implementation and RMF compliance auditing across Linux stacks.
• Manage software repositories, updates, and image baselines with satellite/Foreman or equivalents.
• Administer virtualization and storage, and support Windows services in a heterogeneous environment.
• Document SOPs, Ansible guides, and network/architecture diagrams for knowledge transfer.

Skills

Linux administration

Automation scripting

Security clearance

RMF compliance

Container orchestration

Education

Technical Bachelor’s degree

Tools

Ansible

VMware vSphere/vCenter

Docker/Podman/Kubernetes

Red Hat Satellite/Foreman

ACAS/Nessus

Job description

KBR is seeking a Senior Linux Systems Administrator with a strong focus on automation to join our team supporting critical DoD networks in Virginia. Design, deploy, and maintain robust Linux-centric server architectures while automating provisioning, patching, and hardening using Ansible across distributed test networks.

The role requires active TS clearance, 10+ years in system administration, and hands-on experience with RHEL, virtualization, and container platforms.