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Principal Engineer Jobs in Cambridge.

All active Principal Engineer roles based in Cambridge.

New engineering jobs daily on Telegram View Principal Engineer salary insights in Cambridge
Total jobs
158
positions indexed
New today
11
last 24 hours
Companies
25
actively hiring
Worldwide remote
0
from anywhere

How many Principal Engineer jobs in Cambridge are there right now?

There are 158 open Principal Engineer jobs in Cambridge on JobsRadar right now, from 25 companies hiring directly. 11 were added in the last 24 hours; the board was last refreshed on October 22, 2026 at 12:00 UTC.

search: principal engineer in: Cambridge Clear all
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LS
Staff / Principal Research Engineer, AI Safety Mitigations
Lila Sciences
⚡ Apply early Cambridge, MA USA; London, UK;... Onsite $224,000–$336,000
● New 👁 Seen ✓ Applied 15h ago
LS
Staff / Principal Security Engineer, AI Safety and Security
Lila Sciences
⚡ Apply early Cambridge, MA USA; London, UK;... Onsite $192,000–$306,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Engineer, AI Security
Lila Sciences
⚡ Apply early Cambridge, MA USA Onsite $252,000–$374,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Machine Learning Engineer, Applied AI
Lila Sciences
⚡ Apply early Cambridge, MA USA; San Francis... Onsite $252,000–$336,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Network Engineer
Lila Sciences
⚡ Apply early Cambridge, MA USA Onsite $204,000–$272,000
● New 👁 Seen ✓ Applied 15h ago
LS
Senior Software Engineer, App
Lila Sciences
⚡ Apply early Cambridge, MA USA; San Francis... Onsite $144,000–$240,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Software Engineer, App
Lila Sciences
⚡ Apply early Cambridge, MA USA; San Francis... Onsite $204,000–$348,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Software Engineer, Instrument Simulations
Lila Sciences
⚡ Apply early Cambridge, MA USA Onsite $204,000–$272,000
● New 👁 Seen ✓ Applied 15h ago
LS
Staff/ Principal Software Engineer, Scientific System of Record
Lila Sciences
⚡ Apply early Cambridge, MA USA; San Francis... Onsite $204,000–$310,000
● New 👁 Seen ✓ Applied 15h ago
LS
Staff / Principal Automated Systems Engineer
Lila Sciences
⚡ Apply early Cambridge, MA USA Onsite $163,400–$228,000
● New 👁 Seen ✓ Applied 15h ago
LS
Principal Software Engineer, Applied AI
Lila Sciences
⚡ Apply early Cambridge, MA USA; San Francis... Onsite $204,000–$310,000
● New 👁 Seen ✓ Applied 15h ago
Draper
Principal Hardware Instrument Engineer
Draper
⚡ Apply early Cambridge, MA Onsite $95,000–$245,000
● New 👁 Seen ✓ Applied 1d ago
FI
Analytical Lab Technician
Found Industries
⚡ Apply early Cambridge, MA Onsite
● New 👁 Seen ✓ Applied 1d ago
RTX
Senior Principal Cyber Engineer
RTX
⚡ Apply early US-MA-CAMBRIDGE-BBN06 ~ 10 & 5... Hybrid
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 4 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 2d ago
Ashby
Staff Software Engineer, Product Engineering - UK
Ashby
⚡ Apply early United Kingdom · location restricted £151,000–£246,000
● New 👁 Seen ✓ Applied 2d ago
Ashby
Senior Software Engineer, Product Engineering - UK
Ashby
⚡ Apply early United Kingdom · location restricted £114,000–£149,000
● New 👁 Seen ✓ Applied 2d ago
Ashby
Engineering Manager - UK
Ashby
⚡ Apply early United Kingdom · location restricted £110,000–£200,000
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 5 (AI Foundations)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 3d ago
Capital One
AI Engineer 4
Capital One
⚡ Apply early San Francisco, CA Onsite
● New 👁 Seen ✓ Applied 3d ago
Draper
Principal Test Development Engineer
Draper
⚡ Apply early Cambridge, MA Onsite $95,000–$245,000
● New 👁 Seen ✓ Applied 3d ago
Capital One
AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early McLean, VA Onsite
● New 👁 Seen ✓ Applied 3d ago
Draper
Principal Power Electronics Engineer
Draper
⚡ Apply early Cambridge, MA Onsite $82,300–$245,000
● New 👁 Seen ✓ Applied 6d ago
Capital One
AI Engineer 5 (Gen AI SDK: Agentic AI, Guardrails, Evaluation)
Capital One
⚡ Apply early New York, NY Onsite
● New 👁 Seen ✓ Applied 6d ago

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Frequently asked questions

How many Principal Engineer jobs in Cambridge are open right now?
158 Principal Engineer jobs in Cambridge are open across 25 companies, as of October 22, 2026.
Which companies are hiring Principal Engineer jobs in Cambridge?
Lila Sciences, Draper, Found Industries, RTX and Capital One are among the 25 companies currently hiring Principal Engineer jobs in Cambridge.
How current are these listings?
Every listing comes straight from the employer’s own careers system and is re-checked three times a day. This page was last updated on October 22, 2026 at 12:00 UTC.

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