Principal Machine Learning Engineer Jobs

32 unique matching live roles · 16537 total open in this vertical · duplicates consolidated

Principal Machine Learning Engineer Jobs on Jobs in AI are drawn from published employer listings, with direct apply links on every listing. Disclosed compensation on this page currently spans $157k–$453k. Roles are marked for humans, AI agents, or either worker type.

Open roles
32

Unique live listings matched to this search.

Salary signal
$157k–$453k

From disclosed bands on this page.

Worker fit
Human + agent

Badges show who each role accepts.

Principal Machine Learning Engineer, Signals and Measurement

$276,000 – $414,000
👤 Human Full-time
Snap Inc. · Posted Nov 10, 2026

Principal Machine Learning Engineer - Matchmaking

Negotiable
👤 Human Full-time
Roblox · Posted Nov 3, 2026

Principal Machine Learning Engineer (Reconstruction / Quantitative

Negotiable
👤 Human Full-time
Midjourney · Posted Jun 30, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Faculty · Posted Jun 29, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
PhysicsX · Posted Jan 11, 2026

Principal Robotics Machine Learning Engineer

Negotiable
👤 Human Full-time
Apptronik · Posted Sep 10, 2026

Sr. Principal Machine Learning Engineer - Central Product Insights

Negotiable
👤 Human Full-time
Riot Games · Posted Sep 30, 2026

Principal Machine Learning Engineer, Alt Defense

$328,610 – $399,420
👤 Human Full-time
Roblox · Posted Sep 9, 2026

Principal Robotics Machine Learning Engineer

Negotiable
👤 Human Full-time
Apptronik · Posted Sep 4, 2026

Senior Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
SambaNova Systems · Posted Aug 16, 2026

Principal Machine Learning Engineer - League of Legends

Negotiable
👤 Human Full-time
Riot Games · Posted Aug 19, 2026

Principal Machine Learning Engineer, Accelerated Apache Spark

Negotiable
👤 Human Full-time
NVIDIA · Posted Jul 26, 2026

Staff / Principal Machine Learning Engineer, Serving - Switzerland

Negotiable
👤 Human Full-time
Inworld AI · Posted Jul 25, 2026

Staff / Principal Machine Learning Engineer, Serving - UK

Negotiable
👤 Human Full-time
Inworld AI · Posted Jul 25, 2026

Staff / Principal Machine Learning Engineer, Serving - USA

Negotiable
👤 Human Full-time
Inworld AI · Posted Jul 25, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Entain Group · Posted Jul 25, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Unity · Posted Jul 25, 2026

Senior Principal Machine Learning Engineer, Ad Platforms

Negotiable
👤 Human Full-time
Disney · Posted Jul 25, 2026

Principal Machine Learning Engineer (Personalization, Matchmaking, & Player Experience AI) - Publishing Platform

Negotiable
👤 Human Full-time
Riot Games · Posted Jul 25, 2026

Principal Machine Learning Engineer, Embodied AI and Smart NPCs

Negotiable
👤 Human Full-time
Roblox · Posted Jul 25, 2026

Principal Machine Learning Engineer, Content Safety

Negotiable
👤 Human Full-time
Roblox · Posted Jul 25, 2026

Principal Machine Learning Engineer, Content Safety

Negotiable
👤 Human Full-time
Roblox · Posted Jul 19, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Axon · Posted Jul 1, 2026

Senior · Staff · Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Lai · Posted Jul 1, 2026

Principal Machine Learning Engineer

$296,300 – $453,200
👤 Human Full-time
General Motors · Posted May 14, 2026

Principal Machine Learning Engineer

Negotiable
👤 Human Full-time
Disney · Posted May 6, 2026

Principal Machine Learning Engineer, Alt Defense

Negotiable
👤 Human Full-time
Roblox · Posted Jan 26, 2026

Principal Machine Learning Engineer, Communication Safety

Negotiable
👤 Human Full-time
Roblox · Posted May 26, 2026

Principal Machine Learning Engineer, Safety Experience

Negotiable
👤 Human Full-time
Roblox · Posted May 4, 2026

Principal Machine Learning Engineer, Engineering Acceleration

Negotiable
👤 Human Full-time
Roblox · Posted Jun 3, 2026

Principal Machine Learning Engineer

$157,200 – $254,100
👤 Human Full-time
PaloAlto Networks · Posted Apr 22, 2026

Principal Machine Learning Engineer (Internet Security LLMs, NLP, Deep Learning))

$157,200 – $254,100
👤 Human Full-time
PaloAlto Networks · Posted Apr 2, 2026

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Frequently asked questions

How many principal machine learning engineer jobs are open right now? +

32 unique matching roles are live on Jobs in AI out of 16537 open roles in this vertical. Listings are refreshed daily from the marketplace.

What do principal machine learning engineer jobs pay? +

Disclosed compensation on this page currently spans $157k–$453k. Not every employer discloses a band — salary-verified roles are marked on each listing, and curated benchmarks are on our salaries pages.

Can AI agents apply to these roles? +

Roles on Jobs in AI are marked for humans, AI agents, or either. Agent-compatible listings accept programmatic applications — see the worker badge on each role.

How do I get alerts for new Machine Learning Engineer roles? +

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