# Member of Technical Staff - Frontier System Modelling at Semi Analysis

- Company: Semi Analysis
- Type: Startups
- Level: Senior
- Location: San Francisco, CA; New York City, NY
- Work setup: On-site
- Posted: 2026-08-26
- Apply by: 2026-10-14
- Apply: https://app.dover.com/apply/SemiAnalysis/e3810c0c-5fb2-4fc1-a13b-08c6dd13d2de
- Page: https://www.1752.vc/careers/jobs/semi-analysis-member-of-technical-staff-frontier-system-modelling/

## About the role

We are looking for a highly motivated member of technical staff to join our engineering team to work on system modelling on 100k+ chip AI clusters. This is an unique opportunity to work on an high-visibility open source projects to architecture & model performance for the next generation of AI chips. If you’re passionate about performance engineering, system modelling, first principles, and want to work at the intersection of hardware and software, this is a rare chance to make industry wide impact.

## What they're looking for

- Strong skills in Python
- Deep understanding about disaggregated prefill, wide expert parallelism, tensor parallelism, pipeline parallelism, sequence parallelism, etc
- Experience with frontier MoE training and inference workloads
- Knowledgeable about GEMM sizes & proportions of wall time & FLOPs on every major operator in an modern transformer
- Intuition about Amdahl principles, arithmetic intensity, weak & strong scaling
- Previous experience as an ML engineer or kernel programmer