# Principal R&D Scientist at Onto Innovation

- Company: Onto Innovation
- What the company does: Onto Innovation is a leader in semiconductor manufacturing software & solutions that solve the most difficult yield, device performance, quality, & reliability issues.
- Company website: https://ontoinnovation.com
- Type: Startups
- Level: Principal and up
- Location: 2 Locations
- Work setup: On-site
- Posted: 2026-10-16
- Apply by: 2026-11-30
- Apply: https://wd1.myworkdaysite.com/en-US/ONTO_Careers/job/Milpitas-CA/Principal-R-D-Scientist_R-6636?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/onto-innovation-principal-r-and-d-scientist/

## About the role

We are seeking a highly motivated X-Ray expert to conduct advanced X-Ray research supporting the development of next-generation metrology solutions for semiconductor manufacturing. The scientist will perform X-Ray experiments, collect and analyze measurement data, develop theoretical models, and create physics-based and machine learning algorithms for microelectronics and advanced-material characterization. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- Ph.D. in physics, applied physics, materials science, chemical engineering, or a closely related technical field with a strong academic background in X-Ray science
- Deep understanding of the physics and instrumentation of advanced X-Ray techniques, with hands-on experience in data analysis for CD-SAXS, XRD, XRR, or XRF
- Experience conducting X-Ray experiments at a synchrotron, national laboratory, or comparable advanced research facility
- Experience optimizing experimental methods for throughput, sensitivity, precision, and signal-to-noise performance
- Experience with rigorous electromagnetic modeling, scattering theory, computational physics, or related simulation techniques
- Familiarity with X-Ray hardware configurations and incorporating system non-idealities into theoretical simulations


Source: 1752vc Careers, https://www.1752.vc/careers/jobs/onto-innovation-principal-r-and-d-scientist/