Senior Controls 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

We are seeking a highly skilled and innovative Senior Controls Engineer to join our team in developing advanced hardware and tooling solutions for next-generation metrology instruments. This role involves the full product lifecycle—from concept development and detailed design to prototyping, testing, and final release. You will work independently or lead small teams, depending on project scope.

• Controls knowledge. (linear system control etc)

• Define control architecture: components (motors, drives, controllers), and interfaces for motion systems.

• Experience with Motion control simulation

• Design optical mounts, sub-micron precision adjustment mechanisms, and positioning systems.

• Ability to architect mechatronic systems, select motors, sensors, drive components, etc. based on satisfying system requirements.

• Strong control-theory foundation (feedback design, filtering, system dynamics)

• Solve real-world precision issues (vibration, resonance, etc.)

• Proficient in motion control, including servo tuning, stage control, and automation mapping.

• Recognize and design simple and elegant structures.

• Justify and quantify performance-based metrics that led to their design decisions

• Finalize the design through product release for current and future metrology instruments.

• Demonstrated ability to create clear reports and documentation.

• Demonstrated technical depth in concept design of complex mechanical systems.

• Working with Mechanical, Electrical, and Software teams, as well as Operations and Manufacturing. 

Qualifications

• 5+ years’ experience working as a Controls, Mechanical, or Mechatronic Engineer.

• Masters degree or higher in science or engineering preferred.

• Proficient in motion control, including servo tuning, stage control, and automation mapping.

• Deep understanding of vibration analysis, modal analysis, and VC (Vibration Criteria) standards.

• Experience with isolation systems and designing for micron- and nanometer-level accuracy.

• Familiarity with system architecture, design requirements, and technical specifications for high-performance systems.

• Experience implementing motion control systems.

• Experience with microcontrollers, Arduino, Pi Proficient with accelerometers and spectrum analyzer to quantify and diagnose a vibration.

• Skilled with contact and non-contact measurement types, indicators, cap gages, interferometer, to measure mechanical errors and drifts.

• Experience designing mechanical systems for very clean environments, semiconductor, biotech, food systems are all applicable.

• Skill using mathematical modeling software.

• Strong background in precision mechanics, mechatronics, and electromechanical system design.

Why Join Onto Innovation?

At Onto Innovation, we believe your work should matter—and so should your well-being. That’s why we offer competitive salaries and a comprehensive benefits package designed to support you and your family. From health, dental, and vision coverage to life and disability insurance, PTO, and a 401(k) with employer match, we’ve got you covered. You’ll also enjoy access to our Employee Stock Purchase Program (ESPP), wellness initiatives, and cutting-edge tools—all within a collaborative, inclusive culture where your contributions are valued and recognized.

Compensation & Growth

• Base Salary Range:

• Additional Rewards: Annual bonus opportunities and potential long-term incentives tied to both company and individual success.

Empowering Every Voice to Shape the Future:

Onto Innovation is committed to creating a workplace where every qualified candidate has an equal opportunity to succeed. We evaluate applicants based on skills, experience, and potential - without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, veteran status, or any other characteristic protected by law. We believe diversity of thought and background drives innovation and strengthens our team.

Important Note on Export Compliance

For certain positions requiring access to technical data, U.S. export licensing review may be necessary for applicants who are not U.S. Citizens, Permanent Residents, or other protected persons under 8 U.S.C. 1324b(a)(3).