Senior QA 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 looking for an experienced and highly skilled Software Test Engineer to join our team, onsite in Wilmington, MA. 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. Perform requirements-based and system level testing across projects and platforms ensuring quality and efficiency for Onto's Inspection Business Unit solutionsCross-functional collaboration with software, hardware, manufacturing and applications teams to validate softwareAnalyze and verify software requirements for testability, clarity and completenessDevelop comprehensive test plans for new features and productsInvestigate, reproduce, log and escalate issues/defectsDevelop efficient test strategies (test cases and procedures) for the different sub-systems comprising the productDevelop and execute automated and manual tests, regression, functional, and acceptance testsConduct thorough testing and debugging of software to ensure high-quality and reliable operationParticipate in the design and implementation of new features and functionalitiesPerform design/code reviews for automation scripts and manual test cases, collaborating with systems engineers, software developers, and other technical staffProvide technical support and guidance to other team membersStay updated with the latest industry trends and technologies in software development and hardware-software integrationQualificationsRequired QualificationsBachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related fieldAbility to understand requirements and design test strategies and plans based on those requirementsProven experience (8+ years) in software testing and/or systems level testing for highly technical applicationsExperience developing automated tests and scripting (Python, JavaScript, etc.)On-the-job experience with generative/agentic AI tools like MS Copilot to accelerate and go deeper with software testingExperience testing client/server solutionsExcellent 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 KanbanExcellent problem-solving skills and attention to detail and quality. Demonstrated experience debugging complex multi-threaded environmentsAbility to design and execute test strategies and plans based on requirements and functional designsStrong written and verbal communication and collaboration skillsAbility to be onsite in Wilmington, MA.Desired QualificationsExperience working in the semiconductor industryExperience with version control systems (e.g., Git, Azure DevOps) and continuous integration/continuous deployment (CI/CD) practiceWhy 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 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