Soter's Way by James LaFond

Archie Jones is the best janitorial engineer on Planet Earth. But could there be more to life than occupational perfection?

Archie Jones has a good life. His boss, the benevolent Mister Flynn, thinks so highly of him that there has been talk among his coworkers of Archie being entered in the inaugural running of the Janitorial Olympics. Not only does Archie have the best job imaginable he lives in the four-story house left by his dear departed parents, which he shares with five fastidious roommates. However, there is something troubling about the man who lives in the attic. When his other roommates find themselves in danger, it ultimately falls to Archie to seek the aid of the mysterious man who has never left his room.

Available at the James LaFond site store and in the anthology, Rise.