If he's serious about starting a new career he needs to be willing to swallow a bit of his pride, but starting as a test engineer is a great way to get a foot in the industry from what I've seen and from who I've mentored.
Show him Cypress or your preferred choice for integration testing and see if writing simple integration tests piques his interest. It's close enough to engineering that he should get a feel for what the job is like while being "relatively" easy to learn in a few weeks.
Show him Cypress or your preferred choice for integration testing and see if writing simple integration tests piques his interest. It's close enough to engineering that he should get a feel for what the job is like while being "relatively" easy to learn in a few weeks.