Thus, one of the most important traits a manager should look for in a night auditor candidate is the ability and desire to stay awake and work during this shift.

여기서 동사는 should 이 부분 같은데 is가 나온건 몬지 잘모르겠어요 그래서 해석도 잘안되구요 ㅜㅜ 부탁드립니다