Senior QA Engineer – Semiconductor Automation & Testing

Onto Innovation; Wilmington (DE); On-site; USD 115,000 - 173,000; Full time

Benefits offered by this job

Health, dental, vision coverage

401(k) with employer match

Employee Stock Purchase Program (ESPP)

PTO

Job summary

Onto Innovation is a leader in process control, providing cutting-edge software testing for its Inspection Business Unit. The role emphasizes requirements-driven testing, cross-functional teamwork, and building robust test strategies for complex subsystems.

You will design test plans, implement automation, and perform thorough debugging across multi-threaded environments, while collaborating with hardware, software, and manufacturing teams. Travel up to 20% is required.

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 (7+ years) in software testing and/or systems level testing for highly technical applications.
• Experience developing automation frameworks or automated tests and 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 Agile, Scrum, or Kanban methodologies.
• Strong problem-solving and debugging of multi-threaded environments.
• Ability to design and execute test strategies and plans based on requirements.
• Strong written and verbal communication and collaboration skills.
• Willingness to travel internationally to customer sites at least 20% of the time.

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 elevate 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.

Skills

Python scripting

JavaScript

Windows development

.NET (C#, C++)

Agile/Scrum/Kanban

multi-threaded debugging

test strategy design

communication skills

Education

Bachelor's or Master's in CS/SE/CE/EE

Tools

Git

AzureDevOps

CI/CD

Job description

Onto Innovation is a leader in process control, providing cutting-edge software testing for its Inspection Business Unit. The role emphasizes requirements-driven testing, cross-functional teamwork, and building robust test strategies for complex subsystems.

You will design test plans, implement automation, and perform thorough debugging across multi-threaded environments, while collaborating with hardware, software, and manufacturing teams. Travel up to 20% is required.