I have interviewed a lot of QSs who describe themselves as indispensable, and they mean it as a selling point. The project would fall over without them. Nobody else understands the account. They are the only one who can talk the client off the ledge on a Friday afternoon.

I hear it as a warning sign. If a business cannot move you without a problem, that business will not move you.

The habit that actually gets people promoted is the opposite one: making yourself replaceable. Not by doing less, and not by caring less. By deliberately handing over the parts of the job that only you can currently do, until someone else can do them too.

This feels wrong to most people the first time they try it, because for years the message has been the reverse. Be the one who knows. Be the one who can be relied on. Hold the detail nobody else has bothered to learn. All true, and all a trap if you stop there, because holding the detail is exactly what keeps you doing the same job.

Why boards actually promote people

A board or a managing director looking at who to move up is not asking who is best at their current role. They are asking who can leave their current role without the wheels coming off. That is a completely different question, and it is one that indispensable people fail by definition.

I have watched this play out the same way more times than I can count. Two commercial managers, similar experience, similar technical ability. One holds the pricing model, the client relationship and the subbie negotiations personally, and is visibly exhausted keeping all three spinning. The other has spent eighteen months teaching a QS underneath them to run the subbie negotiations properly, so that when the director role opens up, the answer to "who covers this if we move them" is already sitting in the room.

The second one gets the job. Not because they are more talented. Because promoting them costs the business nothing.

What this actually looks like

It is not about doing less work. It is about changing which work you protect. Stop protecting the tasks that make you feel essential, and start protecting the time it takes to document a process, walk someone through a negotiation you would normally handle alone, or write down the judgement calls you make so someone else can make them too.

It will feel like giving away your leverage. It is the opposite. The leverage was never the knowledge. It was always your ability to be moved without cost, and until you build that, nobody above you can afford to.

If you want a test this week: pick the one thing at work that only you can do, and spend an hour teaching someone else to do it. Notice how that feels. If it feels like a loss, that is the habit worth breaking.