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# Linux System Administrator / System Engineer

- **Company:** Red Arch Solutions
- **Location:** United States
- **Experience:** Expert
- **Salary:** $151,000.0 - $170,000.0
- **Contract:** Permanent contract
- **Skills:** CentOS, Linux, Monitoring of Systems, Identity and Access Management, JSON, WildFly (JBoss AS), Python (Programming Language), Linux System Administration, Networking Basics, Oracle Databases, Red Hat Enterprise Linux, Ansible, Server Administration, Virtualization Technology, VMware Virtualization, Scripting, Terraform, Vmware
- **Published:** July 28, 2026
- **Apply:** https://www.dice.com/job-detail/58a8e41a-e90e-4ac0-97fb-6d6cd9ccafd6

## About the Role

* 10+ years of experience as a Linux System Administrator/Engineer
 * Active TS/SCI with Polygraph.
 * Strong expertise with Linux (RHEL/CentOS) environments
 * Experience with VMware VM creation, configuration, and operations
 * Security+ Certification (required)
 * Experience supporting IC (Intelligence Community) mission environments

Highly Desired Qualifications

 * Active or recent SYS3 Privileged Access
 * Extensive experience with JBoss installation, configuration, and administration
 * Hands-on experience with automation tools such as Ansible or Terraform
 * Storage systems and administration
 * Networking fundamentals and infrastructure support
 * Security compliance and auditing
 * Authentication systems
 * Scripting with Shell and/or Python
 * Physical server administration
 * Experience with Oracle Database and potential DBA exposure
 * Familiarity with JSON (JavaScript Object Notation)

## Description

We are seeking a highly experienced Senior Linux System Administrator / System Engineer to support a high-visibility mission environment within the Intelligence Community. This role requires deep expertise in Linux system administration, virtualization, automation, and security compliance, along with the ability to operate in a fast-paced, mission-critical setting.Key Responsibilities

 * Administer, maintain, and optimize Linux-based systems (RHEL/CentOS) in a secure enterprise environment
 * Support mission-critical infrastructure with a focus on availability, performance, and security
 * Create, configure, and manage VMware virtual machines
 * Install, configure, and maintain JBoss application environments
 * Implement automation solutions using Ansible, Terraform, or similar tools
 * Perform system monitoring, troubleshooting, and root cause analysis
 * Support security compliance initiatives and system hardening efforts
 * Collaborate with cross-functional teams across storage, networking, and security domains
 * Provide support for 24x7 operations, including on-call and after-hours response


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