Principal Mechanical Engineer Jobs in United States

92 open Principal Mechanical Engineer jobs in United States at 47 companies, including Amazon, Microsoft and Oracle. Updated daily from company career pages.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Microsoft

Oracle

Palo Alto Networks

Hewlett Packard Enterprise

Hewlett Packard Enterprise is an edge-to-cloud company that uses comprehensive solutions to accelerate business outcomes.

Qualcomm

Qualcomm designs, manufactures, and markets digital wireless telecommunications products and services.

Abbott

Abbott is engaged in pharmaceuticals and manufacturing healthcare products.

Micron Technology

Micron Technology is a semiconductor company that produces DRAM, SDRAM, flash memory, SSD and CMOS image sensing chips.

Carrier Corporation

Carrier is a provider of innovative heating, ventilating and air conditioning (HVAC), refrigeration, and fire & security technologies.

Equinix

Equinix is an internet company that provides data center services for companies, businesses, and organizations.

Blue Origin

Blue Origin is an aerospace company that focuses on lowering the cost of spaceflight and helping to explore the solar system.

Baker Hughes

Baker Hughes is an energy technology company that provides solutions for energy and industrial customers worldwide.

American Electric Power

American Electric Power generates, transmits, and distributes electricity, serving residential, commercial, and industrial customers.

Terex

Terex Corportion is a set of manufacturing companies focusing on infrastructure support via their handling and lifting equipment.

Vantage Data Centers

Vantage Data Centers specializes in designing, building, and operating large-scale data centers.

Saronic

Saronic provides naval and maritime forces with the most intelligent Autonomous Surface Vessels available.

Epirus

Epirus builds directed energy and power management systems to solve some of the world’s most complex problems.

Atom Computing

Atom Computing builds truly scalable quantum computers out of individual atoms.

Aescape

Aescape is a technology company that builds data-driven massage therapy and wellness experiences.

NVIDIA

NVIDIA is a computing platform company operating at the intersection of graphics, HPC, and AI.

Updated 2026-10-11.