Late 30s up to late 60s for people who consistently do stuff right on the first try regardless of complexity ( and I only say late 60s because everybody over ab

Late 30s up to late 60s for people who consistently do stuff right on the first try regardless of complexity ( and I only say late 60s because everybody over about 35 has a pension in our industryn so they all retire when they hit their 60s). In aerospace there isn't as much age discrimination as on startup culture, and we are blessed with a lot of these fantastic senior engineers.