Linux Systems Administrator – On-Site Kauai

Amentum; Kekaha (HI); On-site; USD 110,000 - 135,000; Full time

Benefits offered by this job

Health insurance

Paid time off

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Systems Administrator 2 (Linux) on Kauai, HI to provide Red Hat Enterprise Linux system administration for Navy networks across PMRF, applying security patches and lockdowns in a live mission environment.

Responsibilities include administering RHEL environments, implementing RMF controls, patch management, automated deployment methods (SCCM, VMware, Nutanix, Satellite, Ansible), and collaboration with Cybersecurity teams for ATO and audit readiness.

Qualifications

• Two (2) years of specialized Linux system administration is required.
• Must be proficient with PowerShell, Bash, and Python for automation.
• VMware/Nutanix certification is required prior to start.
• Knowledge of DoW IT systems, Windows and RHEL, and security concepts.
• Experience with Trellix, LogRhythm, and MDE is preferred.

Responsibilities

• Administer and maintain Red Hat Linux (RHEL) and other Linux-based environments in classified and unclassified environments across Navy networks.
• Implement and maintain RMF security controls and ensure systems are compliant with DISA STIGs and DoW cybersecurity policies.
• Apply and manage patches and updates across all Linux systems in accordance with DoW and Navy patch management policies.
• Manage automated installation methods and system imaging (e.g., SCCM, VMware, Nutanix, Satellite, Ansible)
• Perform system hardening, patching, and vulnerability remediation using tools such as ACAS, ESS, and SCAP.
• Develop and maintain PowerShell scripts for automation of administrative tasks and system configuration.
• Support virtualization platforms (VMware, Hyper-V) and manage virtual infrastructure lifecycle.
• Collaborate with cybersecurity teams to support ATO packages, POA&M, and audit readiness.
• Maintain and develop system documentation, configuration baselines, and SOPs.
• Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).
• Lead incident response, forensic analysis, and system recovery efforts.
• Define backup and disaster recovery strategies using enterprise tools (e.g., Veeam, Commvault).
• Evaluate and recommend new Linux technologies and DoW-approved tools.
• General office environment with site visits as well as periodic “at sea” duty to support the PMRF’s Mobile at Sea Sensor system (MATSS)
• Candidate must be capable of working in a team environment and participate in technical and system administrative activities throughout project life cycles.
• Perform other duties as assigned.

Skills

Linux system administration

Automation scripting

PowerShell

Bash

Python

Security clearance eligibility

DoD cybersecurity knowledge

Education

Associate’s Degree

High School Diploma with 4 years related experience substitution

Advanced certifications/substitutions for degree/experience

Tools

SCCM

VMware

Nutanix

Satellite

Ansible

ACAS

ESS

SCAP

Trellix

LogRhythm

MDE

Job description

Amentum is seeking a Systems Administrator 2 (Linux) on Kauai, HI to provide Red Hat Enterprise Linux system administration for Navy networks across PMRF, applying security patches and lockdowns in a live mission environment.

Responsibilities include administering RHEL environments, implementing RMF controls, patch management, automated deployment methods (SCCM, VMware, Nutanix, Satellite, Ansible), and collaboration with Cybersecurity teams for ATO and audit readiness.