Principal Hardware Engineering Jobs in California

144 open Principal Hardware Engineering jobs in California at 55 companies, including Cisco, Microsoft and Palo Alto Networks. Updated daily from company career pages.

Cisco

Cisco develops, manufactures, and sells networking hardware, telecommunications equipment, and other technology services and products.

1 more open roles at Cisco

Microsoft

Palo Alto Networks

Hewlett Packard Enterprise

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

13 more open roles at Hewlett Packard Enterprise

Oura

Oura is a health technology company that makes and designs wellness wearable rings to track and improve sleep and performance.

Qualcomm

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

4 more open roles at Qualcomm

Midjourney

Midjourney is a non-profit research lab that is investigating new thought mediums to improve the human species' inventive abilities.

Micron Technology

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

Anduril Industries

Anduril Industries is a defense product company that builds technology for military agencies and border surveillance.

Equinix

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

Marvell

Blue Origin

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

1 more open roles at Blue Origin

Agility Robotics

Agility Robotics builds highly efficient, agile, and robust legged platforms for real world applications.

Astera Labs

Astera Labs is a semiconductor company that provides connectivity solutions for intelligent systems.

PsiQuantum

PsiQuantum focuses on building a large-scale, general-purpose silicon photonic quantum computer with at least 1 million physical qubits.

Lightmatter

Lightmatter changes chip architecture, powering faster, energy-efficient computing with photonic processors for sustainable AI advancement.

True Anomaly

True Anomaly develops space security technologies using AI, software, and spacecraft to enhance global security and sustainability.

Epirus

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

Terran Orbital

Terran Orbital is a manufacturer of small satellites primarily serving the United States and Allied aerospace and defense industries.

Etched.ai

Etched.ai designing specialized chips for language model inference.

Updated 2026-10-11.