Linux Systems Administrator — Mission-Critical Networks

Amentum; Waimea/Kamuela, Northern (HI, KY); Hybrid; USD 90,000 - 110,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Job summary

Amentum is seeking a Systems Administrator (Linux) for Kauai, HI to manage Red Hat Linux environments across Navy networks. You will implement security controls, patch management, and system hardening in classified and unclassified contexts.

Responsibilities include automation scripting, virtualization support, incident response, and collaboration with cybersecurity teams to maintain audit readiness. Some travel to support PMRF operations may apply.

Qualifications

• 1 year of System Administration/IT experience
• Associate's Degree or higher (equivalents accepted)
• Basic IT systems knowledge and infrastructure concepts
• Proficiency with PCs and standard office equipment
• Strong problem solving and analytical abilities
• Ability to work in a team and in dynamic environments

Responsibilities

• Administer and maintain Red Hat Linux (RHEL) across Navy networks
• Implement RMF security controls and comply with DISA STIGs and DoD policies
• Apply patches and updates per DoD and Navy policies
• Manage automated installation methods and system imaging (SCCM, VMware, Nutanix, Satellite, Ansible)
• Perform system hardening, vulnerability remediation (ACAS, ESS, SCAP)
• Develop PowerShell scripts for automation
• Support virtualization platforms (VMware, Hyper‑V) and virtual infrastructure lifecycle
• Collaborate with cybersecurity teams on ATO packages and audit readiness
• Maintain system documentation and SOPs
• Participate in Change Control Boards and Configuration Management Boards
• Assist with incident response and disaster recovery
• Support backup strategies (Veeam, Commvault)
• Evaluate new Linux technologies and DoW-approved tools
• Work in a team and participate across project life cycles

Skills

RHEL

System Admin

Scripting

Security

Patch management

Education

Associate's Degree

Tools

SCCM

VMware

Nutanix

Satellite

Ansible

ACAS

SCAP

Job description

Amentum is seeking a Systems Administrator (Linux) for Kauai, HI to manage Red Hat Linux environments across Navy networks. You will implement security controls, patch management, and system hardening in classified and unclassified contexts.

Responsibilities include automation scripting, virtualization support, incident response, and collaboration with cybersecurity teams to maintain audit readiness. Some travel to support PMRF operations may apply.