Staff Software Engineer

Staff Software EngineerOnto 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 & ResponsibilitiesWe are seeking a highly skilled Staff Software Engineer to lead the software architecture, integration, and performance optimization of the R/Theta stage subsystem for next-generation semiconductor inspection and metrology platforms. This individual will be the technical leader responsible for defining software requirements, motion control frameworks, calibration solutions, coordinate transformation algorithms, and stage performance optimization critical to the success of the program.The ideal candidate combines deep expertise in precision motion control software, real-time systems, algorithm development, and system integration with the ability to drive technical direction across software, controls, systems, and hardware engineering teams.Serve as the organization's technical expert for stage control software, calibration algorithms, and motion optimization.Design and integrate the new stage to our software platform, including motion sequencing and synchronization, calibration and throughput optimizationDevelop algorithms for R/Theta to Cartesian coordinate transformations, error mapping and calibrationsDefine automated calibration workflows and production calibration strategies.Collaborate closely with mechanical, electrical, controls, and systems engineering teams to ensure seamless subsystem integration.Must be able to travel internationally to customer sites at least 20% of the time, with additional travel as business needs require.QualificationsB.S., M.S., or Ph.D. in Computer Science, science related discipline.10+ years of experience developing motion-control or real-time software systems.Strong expertise in C# and object-oriented design, multi-threaded and real-time software developmentStrong expertise in precision motion control systems and automationExperience developing calibration, compensation, or optimization algorithms for precision motion systems.Proven ability to troubleshoot complex system-level issues involving software and hardware interactions.Demonstrated technical leadership on large engineering programs.Experience in Git and AI for developmentsWhy 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$144,000.00 - $216,000.00, offered in good faith and based on experience, location, and qualifications.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 ComplianceFor 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).