He is the first women's lacrosse head coach in the history of the United States Merchant Marine Academy. Simensky also serves on the Athletic Department's senior staff as the Assistant Athletic Director for Physical Education, a position he was promoted to in March of 2020.

In 2020, the Mariners were selected to finish first in the Skyline Conference in the preseason polls for the second straight year. Unfortunately, the lacrosse season, like all other NCAA spring sports seasons, was cut short due to COVID-19.

In 2019, Simensky and his Mariners boasted a program-best 17-1 overall record surpassing their 2018 success, including a perfect 15-0 regular season. Simenskys squad went undefeated (7-0) in Skyline Conference action for the second season in a row and captured its second straight Conference Championship title and another trip back to the NCAA Tournament. Simensky was named the Skyline Conference Womens Lacrosse Co-Coach of the Year in 2019. Simensky and his staff coached seniors Meredith Willard and Hannah Gizzi to the Offensive and Defensive Player of the Year honors, respectively, and freshman Jessie Wohner received the Rookie of the Year award. These highlighted the seven First Team and two Second Team All-Conference selections including three attack, three midfield, two defense and a goaltender. Along with the conference selections, the team also had two First Team All-ECAC selections in Willard and Gizzi and an ECAC Rookie of the year winner in Wohner. Simensky produced the program's second Second Team IWLCA All-Region selection in Gizzi, who also finished the season as the NCAA DIII Statistical Champion for Goals Against Average, and was the Merchant Marine Academys Julie A. Berke Trophy winner as the Senior Female Athlete of the Year.

In 2018, Simensky and his Mariners boasted a program-best 14-3 overall record and went a perfect 7-0 in Skyline Conference action, earning the programs first postseason appearance and went on to claim their first-ever Conference Championship and a trip to the NCAA Tournament. Simensky was named the Skyline Conference Womens Lacrosse Coach of the Year in 2018 and took home the Academys Sue Petersen Lubow Trophy as the Coach of the Year of a womens team for the second time in the past three seasons.