"Principal Mechanical Design Engineer" Jobs in United States

ABOUT US: Astro Mechanica is a vertically integrated aerospace company developing a scalable technology platform to power critical infrastructure, mission operations, and the future of flight. We apply aerospace engineer

Principal Mechanical Design Engineer

Draper · Cambridge

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful a

Principal Mechanical Design Engineer

FormFactor · Beaverton

Forming Our Future together FormFactor, Inc. (NASDAQ: FORM), is a leading provider of essential test and measurement technologies along the full semiconductor product life cycle — from characterization, modeling, reliabi

Why join Upscale, Inc. Upscale, Inc., is building the high-performance infrastructure powering the next generation of artificial intelligence. Backed by over $300M in funding and rapid global adoption, we are scaling sys

Principal Mechanical Design Engineer

Medtronic · San Diego

We anticipate the application window for this opening will close on - 30 Oct 2026 At MiniMed, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living w

Principal Mechanical Design Engineer

RTX · McKinney

Date Posted: Country: Location: Position Role Type: U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance Type: Security Clearance Status: At RTX, the world's largest aerospace and defense com

Sr Principal Engineer - Mechanical Design

Solar Turbines · San Diego

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are

Sentinel - Principal Mechanical Design Engineer (Secret Clearance) -19390

Northrop Grumman ·

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportuni

Senior Principal Mechanical Design Engineer (Onsite)

RTX · East Hartford

Date Posted: 2026-10-22 Country: United States of America Location: US-CT-EAST HARTFORD-ETC ~ 400 Main St ~ BLDG ETC Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability t

We are seeking a highly skilled Principal Mechanical Design Engineer with expertise in metallurgy, powder metallurgy, and aerospace design intent to lead our product development initiatives. Candidate will be expected to

We are seeking a highly skilled Principal Mechanical Design Engineer with expertise in metallurgy, powder metallurgy, and aerospace design intent to lead our product development initiatives. Candidate will be expected to

Principal Mechanical Design Engineer - Cryo Vacuum Systems - 1055

Quantinuum · Broomfield

We are looking for a Principal Mechanical Design Engineer – Cryo Vacuum Systems in our Broomfield, CO location to help design and de-risk next-generation trapped-ion quantum computing hardware. This role will work closel

We anticipate the application window for this opening will close on - 20 Oct 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore heal

Sr. Principal Mechanical Design Engineer

Medtronic · Mounds View

We anticipate the application window for this opening will close on - 20 Oct 2026 Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate pain, restore heal

Principal Mechanical Design Engineer (Onsite)

RTX · Asheville

Date Posted: 2026-10-09 Country: United States of America Location: US-NC-ASHEVILLE-330 ~ 330 Pratt Whitney Blvd ~ PRATT WHITNEY Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: U