Complex sentence: The candidate is generally notified on the day of the interview as to which position he/she will be interviewing for if the candidate is interviewing for Software Design Engineer, Software Design Engineer in Test, or Program Manager Positions.
Split into simpler sentences: The candidate is notified on the day of the interview as to which position he/she will be interviewing for. This is generally the case if the candidate is interviewing for Software Design Engineer, Software Design Engineer in Test, or Program Manager Positions.