Muchnick joined Maine Maritime’s staff in July, 2014 after four seasons at the United States Merchant Marine Academy. At King’s Point, he served as the Mariners assistant coach for three-and-half years and interim head coach for half of the 2013-2014 season. In that capacity, Muchnick was responsible for recruiting, offensive execution, scouting opponents, academic support and day-to-day operations of the men's basketball program.
He coached a Landmark Player of the Year and Honorable Mention Division III All-American, four All-Landmark First Team selections and three All-Landmark Second Team players. On the recruiting trail, Muchnick brought in a 10-person class in 2012 that represented nine different states.
At the end of the 2013-14 season, Muchnick received Merchant Marine Academy's Dr. Stephen "Bill" Omeltchenko Coach of the Year Award.
Muchnick assumed the head coaching position at Merchant Marine in January when the Mariners were 6-8. With Muchnick at the helm USMMA compiled a 6-6 record the remainder of the season, including victories in 6 of 7 games, and a berth in the Landmark Conference playoffs. Merchant Marine went 52-51 in Muchnick's four seasons in Kings Point.
Prior to coaching at Merchant Marine Academy, Muchnick was the top assistant men's basketball coach Denison University from 2008-2010. He recruited the 2009-10 NCAC Newcomer of the Year and was in charge of offensive execution, scouting, recruiting and perimeter development. Muchnick also served as the head men's golf coach and guided his team to three Top-3 finishes.
Muchnick was the top assistant men's basketball coach at SUNY Cortland from 2005-2008 and helped the Red Dragons to a 55-29 record during his tenure, highlighted by a NCAA Division III Tournament second round appearance in 2006. Cortland was the SUNY Athletic Conference regular season champion in 2005-06 and finished tied for the best season record in program history with a 24-5 record.
Muchnick is a 2005 graduate of SUNY Geneseo with a Bachelor of Science degree in Communications. He was a four-year member of the basketball team and was a captain his senior season. Muchnick finished in the top 10 in program history with a 41.4% three-point percentage and helped his team go 60-47, including a 20-9 mark and ECAC Championship in 2003-04. Muchnick earned a Master of Science degree in Sports Management in 2008 from SUNY Cortland.