Senior Systems Engineer

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: 3D metrology spanning the chip from nanometer-scale transistors to micron-level die-interconnects; macro defect inspection of wafers and packages; metal interconnect composition; factory analytics; and lithography for advanced semiconductor packaging. Our breadth of offerings across the entire semiconductor value chain helps our customers solve their most difficult yield, device performance, quality, and reliability issues.

Onto Innovation strives to optimize customers’ critical path of progress by making them smarter, faster and more efficient.

Job Summary & Responsibilities The Regional Senior Systems Engineer for the Iris T1 platform will play a critical role in advancing Onto’s next‑generation optical metrology solutions. This position focuses on developing new metrology capabilities, optimizing performance of existing Iris T1 systems, and delivering clear, data‑driven guidance to global field and customer teams.

The ideal candidate will collaborate closely with cross‑functional partners—including software engineering, hardware design, systems engineering, and applications scientists—to define system specifications, establish performance requirements, and ensure successful system integration. The role requires designing and executing experiments to validate system behavior, diagnose performance issues, and drive continuous improvement in optical hardware and measurement algorithms.

Additional responsibilities include supporting first‑in‑fab Iris T1 system installations, enabling initial tool matching and baseline performance validation, and developing training resources and documentation for regional field service and applications engineering teams. This role will require regional and international travel of up to 50%.Align, optimize, and validate precision optical subsystems within the Iris T1 platform

Develop best practices and operational methodologies to maximize tool performance and measurement stability

Design, execute, and analyze experiments to characterize, troubleshoot, and enhance optical metrology performance

Create structured action plans and drive timely execution

Develop and deliver progress reports, technical presentations for internal stakeholders and external customers

Communicate system requirements, design specifications, and performance findings to multidisciplinary engineering teams

Support on‑site activities including new tool installations, initial qualification, and matching of first‑in‑fab systems

Generate technical procedures, documentation, and training materials for global engineering teams

Qualifications

Master’s in engineering or physical sciences with emphasis in optical physics or related optical technologies – PhD preferred.
5+ years of semiconductor capital equipment engineering experience, preferably in optical metrology

Hands‑on applications development experience with spectroscopic ellipsometry or related optical measurement techniques

Demonstrated experience integrating precision optical and optomechanical components

Proficiency in data analysis and scientific programming (e.g., Python, MATLAB)
Strong analytical skills and a methodical, data‑driven approach to troubleshooting complex systems

Excellent communication and interpersonal skills; collaborative team‑oriented mindset

Hands‑on experience working with prototype systems in an R&D or laboratory environment

Background in new product development, system bring‑up, or early‑stage metrology platforms

Ability to travel regionally and internationally up to 50%
Why Join Onto Innovation?

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