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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
137
positions indexed
New today
7
last 24 hours
Companies
28
actively hiring
Worldwide remote
0
from anywhere

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

There are 137 open Principal Engineer jobs in Cambridge on JobsRadar right now, from 28 companies hiring directly. 7 were added in the last 24 hours; the board was last refreshed on September 23, 2026 at 02:59 UTC.

search: principal engineer in: Cambridge Clear all
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Roku
Senior Software Engineer, Infrastructure / Efficiency / Productivity
Roku
⚡ Apply early Cambridge, United Kingdom Onsite
● New 👁 Seen ✓ Applied 2h ago
Roku
Senior Software Engineer, Infrastructure and Efficiency
Roku
⚡ Apply early Manchester, United Kingdom Onsite
● New 👁 Seen ✓ Applied 2h ago
Flagship Pioneering, Inc.
Principal Backend Engineer
Flagship Pioneering, Inc.
⚡ Apply early Cambridge, MA USA Onsite $188,000–$258,500
● New 👁 Seen ✓ Applied 9h ago
Flagship Pioneering, Inc.
Principal Software Engineer - Agentic Platform
Flagship Pioneering, Inc.
⚡ Apply early Cambridge, MA USA Onsite $188,000–$257,500
● New 👁 Seen ✓ Applied 9h ago
Flagship Pioneering, Inc.
Vice President, Engineering
Flagship Pioneering, Inc.
⚡ Apply early Cambridge, MA USA Onsite $313,000–$400,000
● New 👁 Seen ✓ Applied 9h ago
Flagship Pioneering, Inc.
Principal / Senior Software Engineer
Flagship Pioneering, Inc.
⚡ Apply early Cambridge, MA USA Onsite $108,000–$209,000
● New 👁 Seen ✓ Applied 9h ago
Flagship Pioneering, Inc.
Principal Scientist, Machine Learning - Multimodal Biological Reasoning
Flagship Pioneering, Inc.
⚡ Apply early Cambridge, MA USA Onsite $216,000–$297,000
● New 👁 Seen ✓ Applied 9h ago
HP
Principal Security Software Engineer
HP
⚡ Apply early Cambridge, Cambridgeshire, Uni... Hybrid
● New 👁 Seen ✓ Applied 2d ago
AVEVA
Principal Technologist, Core AI Services
AVEVA
⚡ Apply early Cambridge, United Kingdom Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 5 (AI Foundations, LLM Core and Agentic AI)
Capital One
⚡ Apply early McLean, VA Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 5 ((AI Foundations, LLM Core and Agentic AI)
Capital One
⚡ Apply early New York, NY Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 4 (AI Foundations)
Capital One
⚡ Apply early Cambridge, MA Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 4
Capital One
⚡ Apply early New York, NY Onsite
● New 👁 Seen ✓ Applied 2d ago
Capital One
AI Engineer 4 (AI Foundations, LLM Core and Agentic AI)
Capital One
⚡ Apply early New York, NY Onsite
● New 👁 Seen ✓ Applied 2d ago
HubSpot
Principal Software Engineer
HubSpot
⚡ Apply early Remote - USA · location restricted $313,800–$502,080
● New 👁 Seen ✓ Applied 4d ago
CM
Principal Site Reliability Engineer, Machine Learning
Cambridge Mobile Telematics
⚡ Apply early Cambridge, MA Hybrid $142,000–$177,600
● New 👁 Seen ✓ Applied 4d ago
Capital One
AI Engineer 5 (AI Foundations, LLM Core and Agentic AI)
Capital One
⚡ Apply early Cambridge, MA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 5
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 5 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 4 (MLX, Agentic AI, Gen AI platform Services)
Capital One
⚡ Apply early San Jose, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 4 (Gen AI Platform Services: Agentic AI, Agent Guardrails, Agent Evaluation, Agent Memory)
Capital One
⚡ Apply early San Francisco, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 4 (AI Foundations: LLM Customization, Finetuning, Reinforcement Learning)
Capital One
⚡ Apply early New York, NY Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 5 (Gen AI Platform Services - Agentic Systems)
Capital One
⚡ Apply early San Francisco, CA Onsite
● New 👁 Seen ✓ Applied 5d ago
Capital One
AI Engineer 5 (Gen AI Platform Services)
Capital One
⚡ Apply early San Francisco, CA Onsite
● New 👁 Seen ✓ Applied 5d ago

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Frequently asked questions

How many Principal Engineer jobs in Cambridge are open right now?
137 Principal Engineer jobs in Cambridge are open across 28 companies, as of September 23, 2026.
Which companies are hiring Principal Engineer jobs in Cambridge?
Roku, Flagship Pioneering, Inc., HP, AVEVA and Capital One are among the 28 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 September 23, 2026 at 02:59 UTC.

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