As a Software Development Engineer in Test on the System Integration and Validation team, your role will focus on building scalable integration automation frameworks and enhancing existing frameworks for automated testing. You will design and implement functional and integration automation tests for product level used by the customer fleet, ensuring comprehensive test coverage and reducing manual testing efforts. By prioritizing automation for repetitive tasks, developing robust regression suites, and focusing on edge cases and high-stress scenarios, you will ensure the reliability of safety-critical tools.