How do I deal with being the person who holds the office together but gets no credit?

You keep a whole office running so smoothly that the work disappears. No one sees the hundred small saves you make because nothing ever breaks. That is real skill, and it is lonely to be good at something invisible. The hard truth is that this kind of mastery rarely gets applause, because applause follows problems, not their absence. That does not mean it has no worth. The people around you feel the calm you create, even if they cannot name its source. You know what you hold, and that knowing is not nothing. Still, you deserve to be seen. This week, make one part of your work visible on purpose. Send a short note listing what you handled, or walk your boss through a single thing that would fall apart without you. You are not bragging. You are letting the truth be spoken out loud.