Senior Linux Systems Administrator – DoD RMF & RHEL

Amentum; Waimea/Kamuela, Northern (HI, KY); Hybrid; USD 110,000 - 135,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is recruiting a Systems Administrator 2 (Linux) for Kauai, HI, to manage Red Hat Linux across classified and unclassified Navy networks. You will implement RMF controls, apply DoW/DISA standards, and patch systems in a live mission environment.

Responsibilities include automation via PowerShell/Bash/Python, SCCM/Ansible imaging, and supporting VMware/Nutanix virtualization while maintaining documentation and SOPs.

Qualifications

• Two (2) years of specialized Linux system administration
• Knowledge of IT systems and advanced IT infrastructure concepts
• Proficient in Windows/Linux administration and office equipment
• Automation scripting in PowerShell, Bash, Python
• VMware/Nutanix certification desirable
• Knowledge of DoW, RMF, STIGs, and DoW policies
• Experience with Trellix, LogRhythm, and MDE is beneficial
• Familiarity with DoW IT systems across Windows, RHEL, and infrastructure concepts

Responsibilities

• Administer and maintain Red Hat Linux in classified and unclassified Navy networks
• Implement RMF security controls and ensure DISA STIG compliance
• Apply patches across Linux systems per Navy patch policies
• Manage imaging and deployment methods (SCCM, VMware, Nutanix, Satellite, Ansible)
• Perform system hardening and vulnerability remediation (ACAS, ESS, SCAP)
• Develop PowerShell scripts to automate admin tasks
• Support virtualization platforms (VMware, Hyper‑V) and lifecycle management
• Collaborate with cybersecurity teams for ATO packages and POA&Ms
• Maintain system documentation and SOPs; participate in CCBs/CMBs; lead incident response
• Define backup/disaster recovery strategies (Veeam, Commvault)
• Evaluate new Linux technologies and DoW-approved tools
• Occasional at-sea duties for PMRF MATSS system

Skills

Linux admin

Automation scripts

PowerShell

Bash

Python

VMware

Nutanix

RMF security

DoW policy knowledge

Cybersecurity concepts

Education

Associate's Degree

High School Diploma with 4 years experience

Advanced certifications substituted

Tools

VMware

Nutanix

SCCM

Satellite

Ansible

Job description

Amentum is recruiting a Systems Administrator 2 (Linux) for Kauai, HI, to manage Red Hat Linux across classified and unclassified Navy networks. You will implement RMF controls, apply DoW/DISA standards, and patch systems in a live mission environment.

Responsibilities include automation via PowerShell/Bash/Python, SCCM/Ansible imaging, and supporting VMware/Nutanix virtualization while maintaining documentation and SOPs.