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Principal Engineer Jobs in California.

California is the largest state economy in the United States, home to Silicon Valley technology, Hollywood entertainment, aerospace, agriculture, and a vast healthcare and services sector. Its job market stretches from the Bay Area to Los Angeles and San Diego. Browse jobs in California from companies hiring across every field.

Principal engineers set technical direction at the highest individual-contributor level. Browse principal engineer jobs from companies hiring worldwide.

Total jobs
1,370
positions indexed
New today
76
last 24 hours
Companies
280
actively hiring
Worldwide remote
0
from anywhere
role: Principal Engineer in: California Clear all
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Northrop Grumman
Sr. Principal Engineer Systems
Northrop Grumman
⚡ Apply early United States-California-San D... Onsite $142,200–$213,400
● New 👁 Seen ✓ Applied 1w ago
Equinix
Distinguished Engineer, AI Infrastructure
Equinix
⚡ Apply early Redwood City Onsite
● New 👁 Seen ✓ Applied 1w ago
Marvell
Principal System Validation Engineer
Marvell
⚡ Apply early Santa Clara, CA Onsite
● New 👁 Seen ✓ Applied 1w ago
Northrop Grumman
Advanced Automation Manufacturing Engineer/Principal Manufacturing Engineer
Northrop Grumman
⚡ Apply early United States-California-Palmd... Onsite $83,400–$125,200
● New 👁 Seen ✓ Applied 1w ago
Hewlett Packard Enterprise
Senior Principal, Solution Test & Automation Engineer
Hewlett Packard Enterprise
⚡ Apply early Sunnyvale, California, United... Hybrid $187,000–$377,500
● New 👁 Seen ✓ Applied 1w ago
Happen Bank
Principal Software Engineer, Data Infrastructure
Happen Bank
⚡ Apply early San Francisco, CA Hybrid
● New 👁 Seen ✓ Applied 1w ago
Northrop Grumman
Principal or Sr Principal Engineer Electrical (Circuit Design Engineer)
Northrop Grumman
⚡ Apply early United States-California-San D... Onsite $103,600–$155,400
● New 👁 Seen ✓ Applied 1w ago
Northrop Grumman
Principal or Sr Principal Engineer Test
Northrop Grumman
⚡ Apply early United States-California-San D... Onsite $103,600–$155,400
● New 👁 Seen ✓ Applied 1w ago
Motorola Solutions
Principal Systems Integration Engineer
Motorola Solutions
⚡ Apply early Culver City, CA Onsite $140,000–$170,000
● New 👁 Seen ✓ Applied 1w ago
Equinix
Principal Software Engineer, AI Infrastructure
Equinix
⚡ Apply early Redwood City Onsite
● New 👁 Seen ✓ Applied 1w ago
CSG Consultants
Principal Plan Check Engineer (FT - Hybrid)
CSG Consultants
⚡ Apply early Irvine, CA / Foster City, CA /... Onsite $149,520–$175,000
● New 👁 Seen ✓ Applied 1w ago
CoreWeave
Principal Engineer - Perf and Benchmarking
CoreWeave
⚡ Apply early Sunnyvale, CA / Bellevue, WA Onsite $206,000–$333,000
● New 👁 Seen ✓ Applied 1w ago
Riot Games
Principal Software Engineer, Engine & Tools - League of Legends
Riot Games
⚡ Apply early Los Angeles, USA Onsite
● New 👁 Seen ✓ Applied 1w ago
IonQ
Principal Photonic Device Design Engineer
IonQ
⚡ Apply early Santa Barbara, California, Uni... Onsite $212,000–$275,000
● New 👁 Seen ✓ Applied 1w ago
Okta
Principal Software Engineer, Applied AI
Okta
⚡ Apply early San Francisco, California Onsite $224,000–$308,000
● New 👁 Seen ✓ Applied 1w ago
DigitalOcean
Principal Engineer, AI/ML Security
DigitalOcean
⚡ Apply early San Francisco Onsite $230,400–$288,000
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Principal Engineer
Graphcore
⚡ Apply early Austin, Texas, United States;... Onsite
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Distinguished Engineer, End-to-End Security Architect
Graphcore
⚡ Apply early Austin, Texas, United States;... Onsite
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Principal Network Engineer
Graphcore
⚡ Apply early Milpitas, California, United S... Onsite
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Principal Hardware Diagnostics Engineer
Graphcore
⚡ Apply early Austin, Texas, United States;... Onsite
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Senior Principal Network Engineer
Graphcore
⚡ Apply early Austin, Texas, United States Onsite
● New 👁 Seen ✓ Applied 1w ago
Graphcore
Principal Engineer, Power Electronics
Graphcore
⚡ Apply early Milpitas, California, United S... Hybrid
● New 👁 Seen ✓ Applied 1w ago
SN
Principal Forward Deployed Engineer I, Frontier Engineering
Snowflake
⚡ Apply early US-CA-Menlo Park Onsite $264,000–$379,500
● New 👁 Seen ✓ Applied 1w ago
Altera
Principal/Senior Principal Engineer - Physical Design Implementation and Signoff Methodology
Altera
⚡ Apply early San Jose, California, United S... Onsite
● New 👁 Seen ✓ Applied 1w ago
AD
Principal AI/ML Engineer, Deep Agentic Reasoning Engineer (Lorenz Labs)
Analog Devices
⚡ Apply early US, CA, San Jose, Rio Robles Onsite $230,000–$316,250
● New 👁 Seen ✓ Applied 1w ago

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