The opportunity for coaching an employee starts early, with the first job. The author of this piece focuses on the work that can be done at the start of  a career, and I find the advice to be relevant at any stage.

As you look at your team, are they resilient, are they asking the right questions, are they assimilating what they are learning into a cohesive still set?

These are tools that can be applied at any point in a career.