What Principal AI Engineering Jobs Ask For
Across 511 open Principal AI Engineering postings that list skills, the ones mentioned most often are ai, llm, agentic-ai.
Updated October 5, 2026
528 open Principal AI Engineering postings. The percentages below are measured over the 511 of them that list skills at all.
| Skill | Mentioned in |
|---|---|
| ai | 98% |
| llm | 75% |
| agentic-ai | 69% |
| machine-learning | 64% |
| cloud | 64% |
| python | 61% |
| rag | 44% |
| api | 42% |
| aws | 41% |
| generative-ai | 40% |
| observability | 39% |
| azure | 33% |
| ci-cd | 31% |
| automation | 28% |
| prompt-engineering | 28% |
| data-science | 27% |
| gcp | 26% |
| analytics | 22% |
| mcp | 21% |
| distributed-systems | 20% |
| fine-tuning | 19% |
| kubernetes | 19% |
| vector-databases | 18% |
| langchain | 18% |
| mlops | 17% |
| data-pipelines | 17% |
| docker | 17% |
| langgraph | 16% |
| cloud-native | 15% |
| sql | 14% |
| typescript | 14% |
| agile | 14% |
| openai | 14% |
| pytorch | 14% |
| devops | 13% |
| java | 13% |
| ai-enablement | 13% |
| data-engineering | 13% |
| deep-learning | 12% |
| prototyping | 12% |
"Mentioned in" counts postings that name the skill anywhere — including as a nice-to-have — so treat it as the ceiling, not the bar.
Browse 528 open Principal AI Engineering jobs →
Across all AI Engineering levels
Most AI Engineering postings never state a level. This wider list covers them too.
- ai 15,256
- llm 10,925
- python 10,747
- machine-learning 8,545
- cloud 8,323
- api 7,806
- agentic-ai 7,749
- rag 6,794
- generative-ai 6,317
- aws 5,312
- azure 5,197
- ci-cd 4,608