Here is a scene I have watched play out more than once. Someone who is genuinely excellent at their job — a leader people trust, results behind them, the obvious answer when you ask their team who holds the place together — sits down to interview somewhere new, and falls apart. Not because they lack substance. Because they have not had to explain themselves to a stranger in eight years, and the muscle that does that has gone soft.
We tend to treat this as a contradiction, or a character flaw. It is neither. It is the most ordinary thing in the world, and once you see it clearly, it stops being frightening.
Two different skills
Think about an engineering director who leads a brilliant team building software and AI systems, and who has not personally written production code in years. Is that person a worse engineer than they were at thirty? In one narrow sense, maybe — their hands are slower on the keyboard. In every sense that matters to their actual job, no. Their job changed. It now rewards judgment, taste, the ability to grow people and place bets. The daily coding muscle went quiet because the job stopped asking for it, and that is exactly as it should be.
Now notice what that means. “Good at your job” is not one thing. It is a specific bundle of capabilities that your current role happens to exercise every single day. And there is a completely different bundle — explaining your experience to an outsider, telling a story that lands, translating what you did out of your company’s private language, reaching out to people you have not spoken to in years, answering a question you did not see coming — that your current role may not ask of you at all. Both are real skills. Only one of them is getting practiced.
Being good at your job and being ready for your next job are two different capabilities.
Rusty is not the same as diminished
This is the part I most want people to hear, because the fear underneath all of this is “maybe I’ve lost it.” You have not lost it. The director who does not code has not lost their engineering judgment. And you have not lost your experience because you have gotten rusty at describing it. Rust is not decay of the underlying thing. It is a thin layer on top, and it comes off with use.
But it is real while it is there. The person who has spent five years being brilliant in meetings full of people who already know the shorthand has genuinely lost fluency in explaining themselves to people who don’t. The stories that used to be sharp have gone vague. The number that proved the point has slipped. The reasons behind an old decision, once obvious, now take a minute to reconstruct. None of that means the work was not excellent. It means the account of the work has not been kept up, because nothing at your job required you to keep it up.
Why the timing is cruel
The trap is that these two skills decay in private and get tested in public, on someone else’s schedule. You do not find out that your “explain yourself” muscle has gone soft during a calm week. You find out in the first interview that actually matters, when it is too late to do anything but wing it. The whole point of career readiness is to move that discovery earlier, to a moment when the stakes are zero.
And the fix is not dramatic. Rust responds to a little use. You do not need to rehearse for an interview you do not have. You need to keep the account current — write down what you did while it is fresh so the number does not slip, and every so often actually say a story out loud so your mouth remembers how. That is the difference between reaching for a story under pressure and reconstructing your whole career from scratch in a chair across from a stranger.
Rust is not decay. It is a thin layer on top, and it comes off with use.
Keep the second muscle warm
So if you are excellent at your job and quietly worried that you would struggle to prove it to the outside world — you are not being neurotic, and you are not slipping. You are noticing something true: that the skill of being ready for your next job is a separate skill, and it is the one your current job never makes you practice. Being good at what you do will not keep it sharp. Only using it will.
Keep it warm the cheap way, before you need it: a little maintenance while you are still employed, so that the day you do need to explain yourself, the rust is already gone and the only thing left is the experience you had all along.