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Senior Linux Systems Administrator (Automation & Orchestration)

trinzic • United State
Relocation
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AI Summary

KBR is seeking a Senior Linux Systems Administrator to design and maintain robust server architectures for national security test networks. The role focuses on automating baseline provisioning and system hardening using Ansible while ensuring compliance with DISA STIGs and RMF standards. Candidates must possess an active Top Secret clearance and at least 10 years of experience in systems administration or engineering.

Key Highlights
Requires an active Top Secret security clearance
Focuses on automation and orchestration within DoD-accredited enclaves
Minimum of 10 years of professional systems administration experience

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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 identified via ACAS/Nessus.
Manage software repositories, system updates, and image baselines using tools like 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
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 (e.g., Security+, CASP+, or CISSP)
Linux Computing Environment certification (e.g., 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 07, 2026
Employment Type Full-time
Experience Level Not Applicable
Location United State
Category Networking
Company trinzic
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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