SYSTEMS ADMINISTRATOR (LINUX)

Amentum•Waimea, HI

2d•$90,000 - $110,000

About The Position

Amentum is seeking a Systems Administrator (Linux) for a position on Kauai, Hawaii. The role provides Red Hat Enterprise Linux (RHEL) system administration for clients and servers connected to the Pacific Missile Range Facility (PMRF) classified and unclassified networks. It deploys cybersecurity-mandated system upgrades, patches, and security lockdown requirements, and performs system-wide troubleshooting and problem resolution in a live mission environment. The position supports Linux systems and infrastructure across Navy networks, including security compliance, virtualization, automation, documentation, incident response, and backup and disaster recovery. Work takes place in a general office environment and includes site visits and periodic at-sea duty supporting PMRF's Mobile at Sea Sensor system (MATSS). The candidate works within a team and participates in technical and system administration activities throughout project life cycles.

Requirements

One year of system administration or IT experience.
Associate's degree; a high school diploma with four years of directly related system administration experience may substitute for an associate's degree. Advanced certifications or education may substitute for a degree or experience.
DOD 8570.1M IAT Level II certification required before starting.
Linux+ or Red Hat Certified System Administrator (RHCSA) certification required before starting.
Knowledge of IT systems and advanced IT infrastructure concepts.
Proficiency operating personal computers, computer software, and standard office equipment.
Basic keyboarding skills and aptitude for neatness and accuracy in sorting.
Critical thinking and proven problem-solving ability.
Must be able to obtain and maintain a Top Secret U.S. Government clearance. U.S. citizenship is required to obtain and maintain the clearance.
Must work in a team environment and participate in technical and system administration activities throughout project life cycles.
Physical capacity to lift, push, or pull more than 50 pounds; work may involve walking, standing, crawling, kneeling, working in cramped spaces, sitting, repeated stooping, and frequent climbing.
Work may involve customer contact, extended workdays, confined work areas, office laboratory settings, field assignments, and inclement weather.

Nice To Haves

Advanced knowledge and certification in both Windows Server and RHEL.
Proficiency with automation tools and scripting, such as PowerShell, Bash, and Python.
VMware or Nutanix certification.
Knowledge or administration experience with Trellix, LogRhythm, and MDE.
Experience with DoW systems and infrastructure.
Knowledge of cybersecurity methods and techniques.
Knowledge of DoW IT systems, including Windows, RHEL, and comprehensive infrastructure concepts.

Responsibilities

Administer and maintain Red Hat Linux (RHEL) and other Linux-based environments across classified and unclassified Navy networks.
Implement and maintain RMF security controls and ensure systems comply with DISA STIGs and DoW cybersecurity policies.
Apply and manage patches and updates across Linux systems in accordance with DoW and Navy patch management policies.
Manage automated installation methods and system imaging using tools such as SCCM, VMware, Nutanix, Satellite, and Ansible.
Perform system hardening, patching, and vulnerability remediation using tools such as ACAS, ESS, and SCAP.
Develop and maintain PowerShell scripts to automate administrative tasks and system configuration.
Support virtualization platforms, including VMware and Hyper-V, and manage the virtual infrastructure lifecycle.
Collaborate with cybersecurity teams on ATO packages, POA&Ms, and audit readiness.
Maintain system documentation, configuration baselines, and standard operating procedures.
Participate in Change Control Boards (CCBs) and Configuration Management Boards (CMBs).
Assist with incident response, forensic analysis, and system recovery efforts.
Support backup and disaster recovery strategies using enterprise tools such as Veeam and Commvault.
Evaluate and recommend Linux technologies and DoW-approved tools.
Perform site visits and periodic at-sea duty to support PMRF's Mobile at Sea Sensor system (MATSS).
Participate in team-based technical and system administration activities throughout project life cycles.
Perform other duties as assigned.