[1] He served as the interim head coach at University of North Carolina at Charlotte for the final four games of the 2022 football season.
[9] The nascent team played four scrimmages in 2008 while Rossomando and the New Haven athletic staff rebuilt the program.
After the 2013 season, Central Connecticut State University hired Rossomando as their head coach, replacing Jeff McInerney.
Offensive line coach Lee Grimes had departed after the 2020 season to take the same position at Kansas under Les Miles.
[16] Rossomando inherited an offensive line with consistency issues that allowed too many sacks of quarterback Chris Reynolds in 2020.
[18] Charlotte fired Healy on October 23, 2022, after a 1–7 start, and Rossomando took over as interim head coach.
[19] As the interim head coach, he led the 49ers to two wins and two losses including a 56–23 over bowl eligible Rice.
[20] On December 10, 2023, Lamar announced that they had hired Rossomando as their next head coach following the departure of Blane Morgan.
[21][22] He brought in former Sam Houston offensive coordinator John Perry,[23] and he reunited with his former defensive coordinator with Central Connecticut, Drew Christ who had spent the previous two seasons as a defensive assistant and special teams analyst with Boston College.
[25] His brother Nick also played football at Port Richmond High School and was a firefighter on Staten Island.