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Open nowPosted yesterday

Systems Administrator 2 (Linux)

PAE1,714 open roles

Where
US-HI-Waimea
Work mode
On site
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Your applicationOpen nowSystems Administrator 2 (Linux)PAE · US-HI-Waimea

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The clock on this job

Early applications get read.

9.5% of postings close within 7 days. Measured by our own scanner across the market. PAE postings stay open a median of 6 days.

Share of postings closed within
  1. 1.8%1 day
  2. 4.0%3 days
  3. 9.5%7 days
  4. 15.6%14 days
  5. 33.9%30 days
This job: posted yesterday

PAE median: 6 days open

The posting

Amentum is seeking a Systems Administrator 2 (Linux) PART-TIME for a position on Kauai, HI. Provides Red Hat Enterprise Linux (RHEL) system administration for all Clients and Servers connected to the Pacific Missile Range Facility (PMRF) classified and unclassified networks. Deploys Cyber Security mandated system upgrades, system patches, and system security lockdown requirements. Performs system wide troubleshooting and problem resolution in a live mission environment.

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&Ms, and audit readiness.
  • Maintain and develop system documentation, configuration baselines, and standard operating procedures (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.

Physical Elements/ Environment

  • Lifting, Pushing/Pulling: over 50lbs
  • Work positions requirements: walking, standing, crawling, kneeling, cramped, sitting and work requiring repeated stooping or frequent climbing.
  • Environment: customer contact, extended workday, confined work area, office laboratory, field assignment, and inclement weather.

Minimum Qualifications

Experience

  • Two (2) year of specialized Linux system administration is required.
  • Years of directly related work experience may be substituted for a degree
  • Knowledge of IT systems and advance IT infrastructure concepts
  • Must be proficient in operating personal computers, computer software and standard office equipment
  • Must have basic keyboarding skills and aptitude for neatness and accuracy in sorting
  • Critical thinking - Proven problem solver
  • Proficiency in automation tools and scripting (e.g., PowerShell, Bash, Python)
  • VMware/Nutanix certification
  • Knowledge/Administration of Trellix, LogRhythm, and MDE
  • Experience with DoW systems and infrastructure
  • Knowledge in Cyber Security Methods and Techniques
  • Knowledge of DoW IT systems, to include Windows, RHEL, and comprehensive infrastructure concepts

Education

  • Associate's Degree
  • High School Diploma with four (4) years of directly related system administration experience may be substituted for an A.S. degree.
  • Advance certifications or education may be substituted for a degree or experience

Certifications (subject to change based on industry, DoW, or local policy requirements)

  • DODI 8570.1M IAT Level II required prior to start
  • Linux+ or Red Hat Certified System Administrator (RHCSA) Certification required prior to start

Preferred Qualifications

  • Advance knowledge and certification in both Windows Server and RHEL is considered highly desired

Security Clearance Must be able to obtain and maintain a Top Secret US Government Clearance. Note: US Citizenship is required to obtain and maintain a Top Secret Clearance. Applicants selected either must currently possess a Top Secret clearance or will be subject to a US Government Security Investigation and must meet eligibility requirements to obtain clearance prior to commencement of employment and maintain a security clearance for access to classified information or Closed/Restricted Areas throughout duration of employment.

Compensation Details:

$52.88

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

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

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

10/13/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.

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