Staff Applications 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

Job Summary

The Staff Application Engineer is responsible for system qualification, process optimization, and customer engagement for advanced semiconductor metrology solutions, with a focus on Onto Innovation platforms (OCD and Thin Film systems). This role requires deep technical expertise in system matching, modeling, and data analysis, combined with strong communication skills to support customer success.

The ideal candidate demonstrates strong ownership, analytical problem-solving capabilities, and the ability to collaborate cross-functionally while also working independently in fast-paced customer environments.

Key Responsibilities

1. System Qualification & Matching

• Lead system qualification and matching activities across Onto Innovation OCD and thin film metrology systems.
• Execute tool-to-tool matching, recipe transfer, and performance validation to meet customer specifications.
• Analyze system variation and implement corrective actions to achieve tight process control and repeatability.

2. Modeling & Process Expertise

• Develop, optimize, and maintain OCD and thin film models for semiconductor applications.
• Perform modeling validation and ensure accuracy against reference measurements (e.g., CD-SEM, TEM).
• Provide technical expertise in optical metrology, thin films, and process characterization.

3. Data Analysis & Troubleshooting

• Utilize statistical and analytical methods to diagnose system performance issues and process deviations.
• Drive root cause analysis and implement solutions for tool, process, or modeling discrepancies.
• Continuously monitor system performance metrics and recommend improvements.

4. Customer Engagement & Presentation

• Interface directly with customers to understand requirements, communicate results, and drive technical solutions.
• Deliver clear, concise technical presentations and reports to customers and internal stakeholders.
• Build strong customer relationships through professionalism, responsiveness, and technical credibility.

5. Software & Technical Tools

• Apply data analysis tools such as JMP, Excel, and other statistical packages for performance evaluation.
• Prepare reports and presentations using PowerPoint.
• Develop and apply basic scripting (e.g., Python, MATLAB, or similar) for data processing and automation.

6. Field Support & Work Environment

• Work extensively in semiconductor cleanroom environments for system setup, qualification, and troubleshooting.
• Support customers on-site with flexibility to work extended hours when required.
• Travel domestically and internationally to support installations, escalations, and customer engagements.

7. Leadership & Collaboration

• Demonstrate ownership and the ability to operate independently with minimal supervision.
• Collaborate cross-functionally with Service, Sales, Engineering, and Software teams to drive customer success.
• Mentor junior engineers and contribute to knowledge sharing and best practices.

Qualifications

Education

• Bachelor's degree or higher in Electrical Engineering, Materials Science, Physics, Chemical Engineering, or a related technical discipline.
• Master's or PhD strongly preferred for advanced process or metrology expertise.

Required Qualifications & Skills

• Strong knowledge of:

• Optical metrology principles

• Thin film/OCD modeling and characterization

• Solid understanding of semiconductor processes and manufacturing environments

• Proven ability in data analysis, system troubleshooting, and performance optimization

• Excellent communication, presentation, and customer-facing skills

• Proficiency in:

• JMP

• Microsoft Excel

• PowerPoint

• Basic scripting (Python, MATLAB, or similar)

• Strong analytical mindset with attention to detail

• Self-driven with a high sense of ownership

• Ability to balance independent work with teamwork

• Adaptability in dynamic, customer-driven environments

Preferred candidate:

• Prior working experience with metrology systems, specifically:
• OCD (Optical Critical Dimension)
• Thin Film metrology systems

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:

$115,200.00 - $172,800.00, 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 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).