"Maintenance supervisors utilize their certifications from the SMRP, IMI, and NAA to ensure that they are qualified to coordinate maintenance of building systems. During an interview, expect to talk about how you keep your workers on task, how you fire others, and your knowledge on maintenance. You may have to role-play many situations where a worker is unproductive or conflicting with others."
Have you ever fired anyone
Only after the employee has been advised verbally of the issue, written and documented of the corrections necessary with appropriate time to correct, and when it is absolutely the only remaining option.