Picking up on the questions I asked in the last post, I'm thinking about this question in the context of new folks on the job market. If you want to succeed in a small department, you should be the kind of person who...
...is happy putting teaching ahead of scholarship on your priority list
...can handle a heavy teaching load
...is content to be in a department that may not enjoy prestige on campus
...is content to be a member of a "service" department--i.e., a dept. that serves other majors.
...enjoys forming close mentoring relationships with undergraduates
...can teach a wide variety of courses
...is content to be the only person on your campus who works in your field
...can be happy without much, if any, intellectual engagement with campus colleagues
...can find intellectual stimulation interacting with people from different disciplines
...is able to recruit majors, primarily through teaching engaging and interesting courses
...is willing to advise a philosophy club or honorary society
...is willing and able to serve on college committees and in other service capacities
...derives satisfaction from seeing students learn
...doesn't require professional accolades or prominence in the discipline
...enjoys learning about areas of philosophy you've never studied before
...enjoys the freedom to create new courses
...enjoys seeing the same students in multiple courses
Again, this is a rough list, and the imprecision of social science has to be borne in mind here. Doubtless there are people who thrive in small philosophy departments who have few, if any, of the above characteristics. But given what people in the survey said about what the advantages were, and what their concerns were, this seems to be at least a fair first pass at the sort of qualities needed by people who will be content working in small departments.