Software Engineer 1

Onto Innovation

Milpitas, CA, United StatesFull-time$66,400–$99,600Posted Oct 26, 2026

About the role

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

Software development activities using C++/C#, Managed C++, .NET in Windows 64-bit environment

Participate in all stages of software development including deployment/trouble shooting at customer sites

Take ownership of assigned design and development tasks for current and future generations of products

Responsible for software product life cycle for requirement analysis, design, coding, integration and testing

Work with hardware and systems/application groups to understand system requirements and map them to a software design

Qualifications

Qualifications

Bachelor's degree with at least 5 years' experience

5+ years of software development using any one of the high-level programming languages such as C++, C# and .Net Framework

Experience developing Semiconductor tool control software

Experience developing SECS/GEM Software, factory automation, SEMI Standards

Excellent architecture and design experience using modular / OOP / OOD methodology

Hands-on experience on C#/C++ programming including multi-threading on Windows platform

Consistent record on software design, implementation and unit testing using Microsoft VS C# /C++

GUI design and implementation using .Net framework and .Net Core

Documentation of software design artifacts and algorithm specifications

Collaboration with SQC team on test case development and test execution

Ability to communicate effectively and collaborate with others

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:

$66,400.00 - $99,600.00, 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).

Responsibilities

  • Develop software using C++, C#, Managed C++, and .NET in a 64-bit Windows environment
  • Participate in the full software development lifecycle, including deployment and customer-site troubleshooting
  • Own assigned design and development tasks for current and future products
  • Analyze requirements and design, code, integrate, and test software
  • Collaborate with hardware and systems teams to translate system requirements into software designs

Qualifications

  • Bachelor's degree and at least 5 years of experience
  • At least 5 years of software development experience with C++, C#, or .NET
  • Experience developing semiconductor tool-control software
  • Experience with SECS/GEM software, factory automation, and SEMI standards
  • Strong modular, object-oriented architecture and design skills
  • Hands-on C# or C++ programming experience, including multithreading on Windows
  • Experience designing, implementing, and unit-testing software with Microsoft Visual Studio
  • Experience designing and implementing GUIs with .NET Framework or .NET Core

Benefits

  • Health, dental, and vision coverage
  • Life and disability insurance
  • Paid time off
  • 401(k) with employer match
  • Employee Stock Purchase Program
  • Wellness initiatives
  • Annual bonus opportunities and potential long-term incentives

Skills mentioned

C++C#.NETMultithreadingSystem DesignSoftware TestingUnit TestingIntegration TestingAutomationDebugging

About Onto Innovation

Onto Innovation is a leader in process control, combining global scale with an expanded portfolio of leading-edge technologies that include: Un-patterned wafer quality; 3D metrology spanning chip features from nanometer scale transistors to large 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. Headquartered in Wilmington, Massachusetts, Onto Innovation supports customers with a worldwide sales and service organization. We are traded on the New York Stock Exchange under the symbol ONTO.

Semiconductor Manufacturing1,001-5,000 employeesWilmington, Massachusetts

H-1B sponsorship history

Historical employer filing data was found for Onto Innovation. The employer record includes 91 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.