Principal 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 & ResponsibilitiesWe are seeking a Principal Systems Engineer to independently contribute to the development of complex automated optical inspection and metrology platforms for the semiconductor industry. The ideal candidate will bring deep expertise in several of the following areas: optical or imaging instrument development, semiconductor inspection and metrology, systems engineering, and creative problem-solving.Key ResponsibilitiesDefine project goals and technical requirements.Develop system architecture and identify/mitigate technical risks.Collaborate with program management to plan and execute engineering activities.Apply full-system knowledge and analytical skills to develop effective solutions.Work cross-functionally with stakeholders across marketing, supply chain, production, field service, and engineering disciplines to ensure project successPersonal AttributesProactive self-starter with strong initiative.Effective team player and creative problem solver.Capable of leading and completing complex projects independently.Detail-oriented with strong documentation skills.Excellent oral, written, and interpersonal communication abilities.Committed to continuous learning and professional development.QualificationsPhD (preferred) or advanced degree in Physics, Engineering, Materials Science, or a related field.10+ years of experience in high-precision optical or semiconductor capital equipment, or related industries.Proven ability to ideate, prototype, and bring complex products to market.Strong analytical skills for root cause analysis and solution development.Demonstrated experience with cross-functional product development projects.Knowledge of optical inspection, metrology, spectroscopy, ellipsometry, and reflectometry is a plus.Experience with MATLAB, LabVIEW, and ZEMAX is a plus.Must be able to travel internationally to customer sites at least 20% of the time, with additional travel as business needs require.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:$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).SummaryLocation: Wilmington-MA (Upton)Type: Full time