I mean, you can earn enough to retire in 10y, yes. But presumably you mean 'can I expect gainful employment for 30 years without a promotion into management'.

I mean, you can earn enough to retire in 10y, yes. But presumably you mean 'can I expect gainful employment for 30 years without a promotion into management'. Probably? There's a number of elder folks at work here in engineer roles, and plenty of children in management roles. Seems fine?