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# Linux Administrator - 30750

- **Company:** Huntington Ingalls Industries, Inc.
- **Location:** Des Moines, IA, United States
- **Experience:** Experienced
- **Salary:** $70,889.0 - $88,000.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Backup Devices, Bash Shell, Linux, Document Management Systems, Distributed Computing Environment, Monitoring of Systems, Linux System Administration, Linux Servers, Networking Basics, Network Administration, Windows PowerShell, Ansible, Zero Trust Network Access, Security Information and Event Management, Wireshark, Virtual Machines, Virtualization Technology, Data Storage Management, Peripherals, Infrastructure Automation Frameworks, Modeling and Simulation, Data Management, Puppet, Comptia Linux+, Vmware
- **Published:** October 18, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3462146711&tx=JP8781FFQ&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 2 years of relevant experience with a Bachelor's degree; OR
 * 0 years of experience with a Master's degree; OR
 * 6 years of relevant experience with a High School Diploma/equivalent.

Technical Knowledge

 * Experience with Linux system administration in a DoD or security-focused environment.
 * Ability to apply STIGs and implement cybersecurity controls across Linux systems.
 * Familiarity with basic virtualization technologies (e.g., VMware), virtual machines, and LAN environments.
 * bility to update and patch Linux and Windows systems, including offline environments.
 * Ability to perform basic network analysis and troubleshooting using tools such as Wireshark.
 * Working knowledge of Bash or PowerShell scripting for automation and system tasks.

Credentials

 * Active DoD Secret Clearance with ability to upgrade to TS.
 * U.S. Citizenship.
 * IAT Level II certification (e.g., Security+).
 * Ability to obatain a CompTIA Linux+, RHCSA or LPIC-1 certification before start.

Preferred Qualifications

 * CompTIA Linux+, RHCSA, LPIC-1 or related certification
 * Virtualization certifications such as VMware Certified Professional (VCP).
 * Experience supporting DoD or Air National Guard mission systems.
 * Familiarity with Zero Trust Architecture and modern cybersecurity frameworks.
 * Experience with automation/configuration management tools (Ansible, Puppet, or Chef).
 * Experience with enterprise storage solutions and/or backup management for Linux environments.
 * Experience analyzing DIS/HLA traffic or M&S environments.
 * DISA ACAS Training/Certification.
 * Active Top Secret Clearance.

Physical Requirements

May require working in an office, industrial, shipboard, or laboratory environment. Capable of climbing ladders and tolerating confined spaces and extreme temperature variances.

## Description

HII Mission Technologies is seeking a Linux Administrator to join our Technology team supporting the Distributed Training Operations Center (DTOC). In this role, you will administer and maintain Linux-based systems that support Distributed Mission Operations (DMO), cybersecurity compliance, mission networks, and other functions critical to Air National Guard training and readiness., As a Linux Administrator, you will help ensure secure, reliable, and efficient system operations for mission-critical environments. Your work directly supports national defense by maintaining system integrity, safeguarding sensitive information, and enabling seamless execution of live and distributed training events., * Maintain and administer Linux-based mission systems and multi-user environments, coordinating with network administrators as needed.

 * Support installation, configuration, and routine operation of Linux servers, workstations, and peripherals.
 * Execute backup, recovery, and basic storage management tasks to support continuity of operations.
 * Configure and harden Linux systems in accordance with STIGs, JSIG, and DoD cybersecurity requirements.
 * Respond to system outages, performance issues, and troubleshooting requests in a timely manner.
 * Participate in team efforts to integrate and support DTOC and OTTI technologies.
 * Provide support for Linux-based applications and modeling & simulation (M&S) tools.
 * Support cybersecurity monitoring tools such as HBSS and SIEM solutions.
 * Implement OS-level patches, security updates, and software releases for Linux systems (and Windows when required).
 * Document system configurations, procedures, and long-term operational needs.