Principal Mechanical Engineer

Onto Innovation

📍 Milpitas, California, United States

Full time Engineers Posted June 16, 2026

Job Description

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

  • Team Leadership: Lead and mentor a multidisciplinary team of hardware engineers, fostering a culture of technical growth, innovation, and accountability.
  • Technical Vision: Define the technical direction and roadmap for critical har...