Prepin
Log in
Onto Innovation

engineering opportunity

QA Engineer 3

The QA Engineer will perform requirements-based and system-level testing to ensure the quality and efficiency of inspection solutions. They will collaborate cross-functionally to develop test plans, execute automated and manual tests, and debug complex software issues.

Wilmington, Massachusetts, United StatesonsiteFULL_TIME

Posted

About the role

What will you do at Onto Innovation?

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: We are looking for an experienced and highly skilled Software Test Engineer to join our team. The ideal candidate will have a strong background in verification and validation of complex software. You will be a key contributor on a team developing next generation solutions for our Inspection Business Unit.

This position offers the unique opportunity to work in a dynamic, fast-paced environment where your contributions will have a direct impact on the success of our products.

Job Summary & Responsibilities

Perform requirements-based and system level testing across projects and platforms ensuring quality and efficiency for Onto's Inspection Business Unit solutions

Cross-functional collaboration with software, hardware, manufacturing and applications teams to validate software

Analyze and verify software requirements for testability, clarity and completeness

Develop comprehensive test plans for new features and products

Investigate, reproduce, log and escalate issues/defects

Develop efficient test strategies (test cases and procedures) for the different sub-systems comprising the product

Develop and execute automated and manual tests, regression, functional, and acceptance tests

Conduct thorough testing and debugging of software to ensure high-quality and reliable operation

Participate in the design and implementation of new features and functionalities

Perform design/code reviews for all automation scripts and manual test cases, collaborating with systems engineers, software developers, and other technical staff

Provide technical support and guidance to other team members

Stay updated with the latest industry trends and technologies in software development and hardware-software integration

Qualifications

  • Required Qualifications
  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related field OR equivalent experience in software development, IT, or technical support services.
  • Ability to understand requirements and design test strategies and plans based on those requirements
  • Proven experience (~5 years) in software testing and/or systems level testing for highly technical applications
  • Experience in scripting (Python, JavaScript, etc.)
  • Experience testing client/server solutions
  • Excellent skillset focused on Windows development, the .NET platform (C#, C++), and relational databases (SQL Server a plus)
  • Experience with software development methodologies such as Agile, Scrum, or Kanban
  • Excellent problem-solving skills and attention to detail and quality. Demonstrated experience debugging complex multi-threaded environments
  • Ability to design and execute test strategies and plans based on requirements and functional designs
  • Strong written and verbal communication and collaboration skills
  • Desired Qualifications
  • Experience working in the semiconductor industry
  • Experience testing AI/ML based solutions
  • Experience with version control systems (e.g., Git, AzureDevOps) and continuous integration/continuous deployment (CI/CD) practices
  • Ability to travel both domestically (~10%) and internationally (infrequent and only when needed)
  • 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:

$96,800.00 - $145,200.00, 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).

Which skills does this role require?

Software testingPythonJavaScriptC#C++SQL ServerSystem level testingTest automationRequirements analysisQA EngineerMetrologyInspectionVerification and validationAutomationTest plansProcess controlLithographyManufacturingHardware-software integrationTechnical supportQuality assuranceSQLMachine Learning

Make your next move

Build a shortlist and prepare

Identify the requirements you can demonstrate, then choose examples from your work to discuss with the hiring team.

Review the responsibilities and requirements before adding an opening to your shortlist.

Role information can change. Confirm current details on the original application page.

Product

AI Candidate AgentCompaniesBrowse JobsDeep ProfileSkill AssessmentOpportunity Matching
Prepin.ai

© 2026 Prepin | All rights reserved.