Being open with a select group of collaborators has gained me above average praise, promotions, etc. over the years. You don't need to be an extrovert to be an

Being open with a select group of collaborators has gained me above average praise, promotions, etc. over the years. You don't need to be an extrovert to be an average or slightly above average engineer, you just have to pick your battles appropriately and understand the problems you are solving. OP is optimizing for a rat race that most people don't care about.