K

Senior Linux Systems Administrator (Automation & Orchestration)

KBR Careers • United State
Relocation
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AI Summary

Design, deploy, and maintain robust Linux-centric server architectures for national security test networks. Lead infrastructure automation using Ansible to streamline provisioning, hardening, and configuration management. Requires an active Top Secret clearance and extensive experience in enterprise Linux and virtualization.

Key Highlights
Focus on automation and orchestration for critical national security infrastructure
Ensure full compliance with DISA STIGs and DoD Risk Management Framework (RMF) standards
Manage distributed test networks including ADTR, JMETC, and DREN

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Key Responsibilities
Install, configure, optimize, and maintain enterprise Linux distributions (RHEL, Rocky, CentOS) across bare-metal and virtualized environments.
Develop, test, and maintain reusable Ansible playbooks, roles, and collections to automate provisioning and system hardening.
Support containerized environments using Docker, Podman, and Kubernetes for workload deployment and lifecycle management.
Automate the implementation and audit verification of DISA STIGs and remediate vulnerability findings via ACAS/Nessus.
Manage software repositories, system updates, and image baselines using Red Hat Satellite or Foreman.
Administer virtualization platforms (VMware vSphere/vCenter), storage systems, and networking hardware.
Maintain compliance with TRMC cybersecurity directives, RMF continuous monitoring policies, and HBSS/Trellix agent deployments.
Author Standard Operating Procedures (SOPs), Ansible execution guides, and architecture diagrams.
Technical Skills Required
Enterprise Linux Ansible VMware

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Benefits & Perks
401K plan with company match
medical
dental
vision
life insurance
AD&D
flexible spending account
disability
paid time off
flexible work schedule
professional training and development
relocation benefits

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Nice to Have
Experience with Red Hat OpenShift
Experience deploying Red Hat Satellite / Capsule servers or automated Kickstart workflows
Experience hardening Linux environments using SCAP tools
Working knowledge of ACAS/Nessus and Trellix (HBSS/EPO) Linux agents
DoD 8570/8140-compliant baseline certification (Security+, CASP+, or CISSP)
Linux Computing Environment certification (RHCSA, RHCE, or Linux+)
Familiarity with Layer 2/3 networking and DoD networks (DREN, SDREN)
Experience supporting Windows Server environments (Active Directory, Group Policy, DNS, PKI)

Job Description

Systems Administrator (Linux / Automation Focus)KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role — protecting our national security.
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Job Overview
Posted Date Oct 02, 2026
Employment Type Full-time
Experience Level Not Applicable
Location United State
Category Networking
Company KBR Careers
Mentioned Skills
shell scripting server cissp vmware windows server storage group policy virtualization firewall active directory dod syslog dns vcenter vsphere kubernetes docker ansible bash linux containerization configuration management cybersecurity nessus

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