Harrar averaged 8.8 points and rebounds per game in his senior season with the Nittany Lions.
Sixteen Penn State alumni under 35 will be honored for their outstanding professional achievements in a virtual event on Tuesday, April 13.
Around 1,200 shots are set to be administered on Monday and Tuesday.
"The values of this university and its commitment to excellence are the major reasons why this job was so appealing to me. I can't wait to arrive on campus to begin working with our tremendous student-athletes."
An offensive explosion gave the Nittany Lions their third win of the season Monday afternoon.
In theory, Pennsylvania's current guidelines could allow more than 50,000 fans into Beaver Stadium next month.