Mid Level 3D CAD Modeler

Amentum; Dahlgren (VA); On-site; USD 56,000 - 70,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Job summary

Amentum is seeking a skilled 3D CAD Modeler to support Integrated Topside Design (ITD) CAD model development for U.S. Navy ships and exterior systems at Dahlgren, VA.

You will create and update 3D models, support shipboard laser scanning, and contribute to CEM modeling using industry-standard tools. The role requires DoD-standard compliance and the ability to obtain and maintain an Active Secret clearance.

Qualifications

• Minimum three (3) years of parametric modeling experience using Autodesk Inventor Professional; or equivalent with Autodesk Inventor Essentials certificate.
• Experience with product data management using Autodesk Vault Professional is required.

Responsibilities

• Create and update 3D models of U.S. Navy ships and shipboard systems for ITD CAD modeling efforts.
• Support shipboard laser 3D scanning activities and develop models for Computational Electromagnetic (CEM) analyses.
• Develop and modify 3D CAD assemblies with large component counts (over 1000 parts).
• Ensure compliance with DoD, ASME, ANSI and other military standards; maintain eligibility for Active Secret clearance.

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

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.

Equal Opportunity Employment

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. EEO including Disability/Protected Veterans Labor Laws Posters.

Company Culture

For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/

Accommodation and Contact

If you need a reasonable accommodation for any part of the employment process, please contact us by email at [e-mail] and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case‑by‑case basis. If you need assistance, please reach out to [e-mail].