Senior QA Engineer: Automated & Systems Testing

Onto Innovation; Upton (MA); On-site; USD 115,000 - 173,000; Full time

Benefits offered by this job

Health benefits

Dental benefits

Vision benefits

PTO

401(k) matching

ESPP

Job summary

Onto Innovation is seeking a Software Test Engineer to be onsite in Wilmington, MA. You will verify complex software across cross-functional teams, develop test plans, and execute automated and manual tests for next-generation Inspection solutions.

You will collaborate with software, hardware, and manufacturing groups to ensure quality and reliability while contributing to design and feature validation. The role emphasizes multi-threaded debugging, client/server testing, and Agile practices.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or a related field.
• Ability to understand requirements and design test strategies and plans based on those requirements.
• Proven experience (8+ years) in software testing and/or systems level testing for highly technical applications.
• Experience 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 testing.
• 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 Agile, Scrum, or Kanban methodologies.
• Excellent problem-solving skills and attention to detail and quality.
• Demonstrated experience debugging complex multi-threaded environments.

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 escape 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 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.

Skills

Python scripting

JavaScript

Automated testing

Client/server testing

Windows/.NET (C#, C++)

Agile/Scrum/Kanban

Multithreaded debugging

Requirements-based testing

Education

Bachelor’s or Master’s degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, or related field

Tools

Git

Azure DevOps

SQL Server

Job description

Onto Innovation is seeking a Software Test Engineer to be onsite in Wilmington, MA. You will verify complex software across cross-functional teams, develop test plans, and execute automated and manual tests for next-generation Inspection solutions.

You will collaborate with software, hardware, and manufacturing groups to ensure quality and reliability while contributing to design and feature validation. The role emphasizes multi-threaded debugging, client/server testing, and Agile practices.