SYSTEMS ADMINISTRATOR (LINUX)

About the role

The Systems Administrator (Linux) position at Amentum is located in Kauai, HI. The role involves providing system administration for classified and unclassified networks at the Pacific Missile Range Facility (PMRF). Key responsibilities include deploying cyber security upgrades, managing patches and security requirements, performing troubleshooting, and supporting various IT systems.

Responsibilities

• Administer and maintain Red Hat Linux (RHEL) and other Linux-based environments in classified and unclassified Navy networks.
• Implement and maintain RMF security controls and ensure systems comply with DISA STIGs and DoD cybersecurity policies.
• Apply and manage patches and updates across all Linux systems in accordance with DoD and Navy policies.
• Manage automated installation methods and system imaging using tools like 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 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 Authorization to Operate (ATO) packages, Program Objective Memoranda (POA&M)s, and audit readiness.
• Maintain system documentation, configuration baselines, and standard operating procedures (SOPs).
• 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 (e.g., Veeam, Commvault).
• Evaluate and recommend new Linux technologies and DoD-approved tools.
• Perform other duties as assigned.

Qualifications

• BS/BA in Business, IT, or relevant field, or eight years of directly related work experience.
• Three years of System Administration/IT experience.
• Advance certifications may be substituted for a degree or experience.
• Knowledge of IT systems and advanced IT infrastructure concepts.
• Proficient in operating personal computers, computer software, and standard office equipment.
• Basic keyboarding skills and aptitude for neatness and accuracy in sorting.
• Knowledge of IT systems and infrastructure concepts, including Windows, RHEL, and comprehensive IT systems.
• Security Clearance: Top Secret with T5 or equivalent (SSBI) investigation level.
• US Citizen to apply for a Secret clearance or will be subject to a government security investigation.

Benefits

• Health, dental, and vision insurance.
• Paid time off and holidays.
• Retailment benefits (including 401(k) matching).
• Retirement benefits.
• Education reimbursement.
• Parental leave.
• Employee stock purchase plan.
• Tax-saving options.
• Disability and life insurance.
• Pet insurance.