Amentum

Mid Level 3D CAD Modeler

Amentum$85K — $104K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 3+ years of expertise in parametric modeling with Autodesk Inventor Professional or equivalent CAD software.
  • 1+ year of experience with product data management using Autodesk Vault Professional.
  • Experience with file and folder permissions, version history, checkout/check-in, and revision control.
  • Proven ability to create complex 3D CAD models, specifically for large assemblies over 1000 components.
  • Familiarity with DoD, ASME, ANSI, and military standards.
  • Must be a US citizen eligible for Active Secret Clearance.

Responsibilities

  • Support CAD model development for U.S. Navy ships and exterior systems.
  • Utilize laser 3D scanning for shipboard model updates.
  • Aid in the creation of models for Computational Electromagnetic (CEM) analysis.
  • Facilitate the reverse engineering of native CAD models into modifiable 3D solid models.
  • Create and modify 3D CAD assembly models in accordance with Navy specifications.

Benefits

  • 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
Full Job Description
The 3D CAD Modeler will support Integrated Topside Design (ITD) CAD model development of ship platforms and exterior systems and antennas installations.

Essential Responsibilities:

Will support the Naval Surface Warfare Center, Dahlgren Division, Integrated Topside Design, for the creation and updates of 3D models of U.S. Navy ships, support of shipboard laser 3D scanning, and the development of models used in supporting Computational Electromagnetic (CEM) modeling and analysis.

Minimum Requirements:
  • Minimum three (3) years of a demonstrated and established knowledge base and subject matter expertise performing parametric modeling using Autodesk Inventor Professional.
  • In lieu of Autodesk Inventor Professional, one or more of the following software: Solidworks; Catia; Pro-E; NX; Solidedge; will be acceptable with an Autodesk Inventor Essentials certificate of completion.
  • Minimum one (1) year of a demonstrated and established knowledge base and subject matter expertise performing product data management processes using Autodesk Vault Professional.
  • Demonstrated experience in one or more of the following specific areas: file and folder permissions, version history, checkout/check-in; revision control, workflows, and product lifecycle states.
  • Demonstrated 3D CAD model development experience in one or more of the following: ship design; using technical data to create 3D CAD models; importing native CAD models into a CAD platform to reverse engineer and recreate a modifiable 3D solid model; creation and modification to 3D CAD assembly models with greater than 1000 components.
  • Demonstrated experience with DoD; ASME, ANSI and other Military standards.
  • Must be able to obtain and maintain Active Secret US Government Clearance. Note: US Citizenship is required to maintain a Secret Clearance.


Preferred Qualifications:
  • Demonstrated 3D CAD model development experience in one or more of the following: 3D CAD model creation of commercial antennas, lights, or cameras; 3D CAD model development for ship hulls or hull components; 3D CAD model development for ship masts; 3D CAD model development for ship structure; 3D CAD model development for weapon systems.


Compensation Details:
US: $40.87 to $50.48

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:
08/04/2026 - 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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