Have a satisfactory work record for the two (2) years immediately prior to the closing date of this posting (unless if current student or recent graduate), including overall employment, job performance, discipline, and safety records (infractions and/or offenses occurring after the closing of the posting and before the filling of a vacancy may preclude a candidate from consideration for selection). Ability to work all shifts and / or locations assigned, directed, or necessary for this position, including (for some transit / operations roles) up to twenty-four (24) hours per day, seven (7) days per week as necessary to accommodate severe weather conditions, emergencies, or any other circumstances that may potentially impact service or the safety of service.