"FEA Engineer III" Jobs in United States

About Thea Energy: Thea Energy is leveraging recent breakthroughs in stellarator physics and engineering to create a faster and simpler approach to commercializing fusion energy. The company is reinventing the stellarato

Senior Mechanical Design Engineer — ASME Section III

Aalo Atomics · Austin

About the Role Aalo Atomics is seeking a Senior Mechanical Design Engineer with expert knowledge of ASME BPVC Section III to lead design of reactor vessel and pressure-boundary systems for our sodium-cooled, graphite-mo

Mechanical Design Engineer III/IV

Artis Defense · Herndon

M echanical Design Engineer III/IV Security Clearance Must be a U.S. citizen. No exceptions. An active security clearance at the Secret level or the ability to obtain a clearance is required. Only U.S. citizens are eli

Mechanical Engineer III

CRB · Boston

Company Description: CRB's over 1,100 expert professionals drive innovative, life-changing and life-saving solutions for manufacturers in the life sciences and food and beverage industries. Our mission, vision, and core

Fuel Mechanical Engineer III OR Senior Fuel Mechanical Engineer

Duke Energy · Charlotte

Important Application Submission Information In order to ensure your application is successfully received before the job posting expires, please submit your application by 11:59 PM on Tuesday, October 13, 2026 More tha

Duties & Responsibilities Research, develop, and evaluate innovative gas seal, wet seal, and sealing system technologies to address current and future business and market needs. Design and develop new seal components, as

Mechanical Engineer III

Chefman · Mahwah

We are seeking a driven and hands-on Mechanical Engineer III to join our Product Development team. The ideal candidate brings strong CAD skills and practical experience contributing to consumer products from concept thro