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 & Responsibilities



We are seeking a highly skilled and customer-focused
Field Service Engineer 3 (FSE 3) to provide advanced on-site technical support, installation, maintenance, and troubleshooting for semiconductor metrology and inspection systems. This role requires deep technical expertise, strong problem-solving capabilities, and the ability to operate independently in highly visible customer environments.



The FSE 3 serves as a key technical liaison between customers and internal teams, ensuring optimal system performance, resolving complex issues, and driving continuous improvement in service delivery.




Key Responsibilities

• Provide expert-level on-site technical support, including troubleshooting, repair, and sustaining activities for complex metrology and inspection tools

• Lead installation, qualification, and startup of semiconductor equipment at customer sites

• Perform preventative maintenance, calibration, and system upgrades to ensure optimal tool performance

• Diagnose and resolve advanced hardware, software, and applications issues with minimal supervision

• Serve as the primary technical interface with customers, managing both technical and administrative aspects of assigned accounts or projects

• Develop innovative and timely solutions to customer challenges, improving tool uptime and reliability

• Instruct and train customers on system operation, maintenance procedures, and best practices

• Collaborate cross-functionally with engineering, product management, and support teams to address customer feedback and drive product improvements

• Manage and resolve quality issues, including submission and follow-up of DOA, RMA, and corrective actions

• Maintain accurate and detailed documentation of service activities, system performance, and customer interactions

• Support a broad range of field service activities, including hardware, software, networking, and system integration

Qualifications

• Bachelor's degree or higher in Engineering, Physics, Electronics, or related technical field

• 5+ years of field service or related experience in semiconductor equipment or similar high-tech industry

• Strong knowledge of semiconductor manufacturing processes and metrology/inspection tools

• Proven expertise in diagnosing and repairing complex electromechanical systems

• Ability to work independently and handle escalations or highly complex technical issues

• Strong customer service, communication, and interpersonal skills

Preferred Qualifications

• Experience with system installations and customer site management

• Knowledge of networking, PCs, and systems integration

• Experience working in cleanroom environments

• Proficient in Microsoft Office products

Physical & Work Environment Requirements

• Ability to work in confined spaces within cleanroom environments

• Mechanical aptitude and manual dexterity

• Ability to lift and carry equipment up to 35 pounds

• Must be able to successfully meet customer site access requirements such as: background checks, safety training, and cleanroom access (gowning and breathing apparatus)

Work Schedule & Travel

• 5x8 shifts, with possible weekend or after-hours support

• Travel up to 20%, including domestic and occasional international travel

• Initial travel for training and OJT to Taiwan & Korea

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:

$71,360.00 - $107,040.00, 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).