Amentum

JR NETWORK ENGINEER

Amentum$75K — $90K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • High School diploma or equivalent required
  • Two years of experience in networking or IT
  • Advanced certifications or education may substitute for experience
  • Knowledge of IT systems (Windows, RHEL) and networking (Cisco/Juniper certifications a plus)
  • Familiarity with Cyber Security methods considered a plus
  • Must have DOD 8570.1M IAT Level I certification
  • Effective written and oral communication skills required

Responsibilities

  • Execute network engineering for Range Networks in IT Department.
  • Maintain and configure PMRF network hardware including routers, switches, and firewalls.
  • Assist with daily audit log reviews and resolve event diagnosis.
  • Address routine network Cyber Security scanning and configuration needs.
  • Conduct Cyber Security tasks using specific tools (Eye Retina, Nessus, etc.).
  • Ensure network device compliance with DoD IAVM programs under guidance.
  • Support RMF C&A Package submissions and assist in reporting and documentation.

Benefits

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

Amentum is seeking a JuniorNetwork Engineer for a position on Kauai, HI. Provides entry level network support towards engineering design, security, administration, and organization to all classified and unclassified PMRF mission specific networks. Under the guidance of supervisory and senior network engineers, configures and maintain routers, switches, firewalls, and other network devices in accordance with Department of Defense (DoW), Department of Navy (DoN), and Pacific Missile Range Facility (PMRF) policy. Assists with system wide troubleshooting and problem resolution both in "stand-down" as well as "live" mission environments.

Responsibilities

  • Execute Junior Network Engineering for the Range Networks, IT Department.

  • Selectively operate, maintain, and configure PMRF network hardware, associated on classified and unclassified network equipment, to include routers, switches, firewalls, IDS, IPS, and other linked technological infrastructure.

  • Assist in daily review of audits logs, supporting resolution of event diagnosis data.

  • Address routine network-centric Cyber Security scanning and configuration requirements.

  • Practices routine Cyber Security related tasks/requirements utilizing the following tools: Eye Retina, DISA STIGS, SCAP, SRR scripts, and/or Nessus.

  • Under guidance, maintain 100% network device compliance with DoD directed IAVM program(s).

  • Participate in successful RMF C&A Package submissions under the guidance of supervisor and/or senior members.

  • Assist in preparation of status reports, technical reports, procedures (operational and maintenance) to Management and Customers.

  • Follow the requirements in the Configuration Management Plan for all hardware and software relevant to the PMRF networks.

  • Perform network asset/property accountability and license management within specifications of PMRF contract.

  • Assist and support lab environment testing/buildouts with senior team members.

  • Perform other additional duties as required.

Additional Responsibilities

  • Lifting, pushing, and pulling over 25-50 lbs.

  • Work positions requirements: walking, standing, sitting, crawling, kneeling or cramped. Work requiring repeated stooping, or frequent climbing.

  • Working environment activities: customer contact, extended workday, confined work area, office laboratory, field assignment, and inclement weather.

Minimum Qualifications

  • High School or equivalent

  • Two years27 experience in the specific field

  • Advance certifications or education may be substituted for experience

  • Knowledge of IT systems, to include Windows, RHEL, and comprehensive networking concepts - Cisco and/or Juniper certifications are considered a plus

  • Knowledge in Cyber Security Methods and Techniques considered a plus

  • DOD 8570.1M IAT Level I

  • Possesses professional and ethical standards and be able to pass a thorough background investigation

  • Critical thinking - Proven problem solver

  • Good written and oral communication skills are required including ability to organize

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:

$75K - $90K

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-O27Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

08/21/2026 - 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.

About Amentum

Amentum is a leading provider of engineering and technical services to the U.S. government and commercial customers worldwide. The company offers a wide range of services, including environmental remediation, facilities management, and logistics and supply chain management, among others. Amentum has a global presence, with operations in over 20 countries, and serves a diverse range of customers, including the Department of Defense, the Department of Energy, and the Department of State. The company is committed to providing high-quality services and has a strong reputation for technical expertise, innovation, and customer satisfaction.
Learn more about Amentum
Size
20,000 employees
Industry
Net Income
$200 million
Founded
2014
Revenue
$5 billion

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