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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 distributed test networks. The role focuses on streamlining configuration management via Ansible and ensuring strict compliance with DISA STIGs and DoD RMF standards. Candidates must possess an active Top Secret clearance and at least 10 years of systems administration experience.

Key Highlights
Requires an active Top Secret security clearance
Focus on automation and orchestration using Ansible for baseline provisioning and hardening
Ensures full compliance with DISA STIGs and DoD Risk Management Framework (RMF) standards

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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 patching.
Support containerized environments using Docker, Podman, and Kubernetes for workload deployment.
Automate the implementation and audit verification of DISA STIGs and remediate vulnerability findings via ACAS/Nessus.
Manage software repositories and image baselines using Red Hat Satellite, Foreman, or local mirrors.
Administer VMware vSphere/vCenter virtualization, storage systems, and networking hardware.
Maintain compliance with TRMC cybersecurity directives, RMF continuous monitoring, 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 is seeking a with an emphasis on to join our team.The successful candidate will provide systems administration and infrastructure automation support to the Test Resource Management Center’s (TRMC) All Domain Test Range (ADTR) and INDOPACOM Pacific-Rim Multi-Domain Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN), and Defense Research and Engineering Network (DREN).
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Job Overview
Posted Date Oct 12, 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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