Powderly joins the Franklin & Marshall staff after spending the past two seasons as an assistant coach at Brown University. She joined the Brown women's lacrosse staff in August 2008. Powderly was responsible for the Bears' goalkeeper training assisted in developing the team's defensive gameplan. She also served as the Bears recruiting and travel coordinator.

Powderly joined the staff at Brown after serving as the head coach at Clarkson University for the 2007 season. At Clarkson, Powderly was responsible for all aspects of the women's lacrosse program, while also serving as an advisor to Clarkson's Student Athlete Advisory Committee (SAAC) and providing game management during fall events.

Prior to coaching at Clarkson, Powderly was an assistant coach at Hamilton College, helping to lead the Continentals to the 2007 Liberty League Championship, while posting the most wins in programs history with a 16-3 record. As part of the coaching staff at Hamilton, which advanced to the 2007 NCAA Quarterfinals, Powderly was named to the IWLCA Regional Coaching Staff of the Year.

A 2004 graduate of the University of New England with a B.A. in Psychology, Powderly was a four-year member of the women's lacrosse team, serving as a captain her senior year. She owns UNE single season records for Goals Against Average (8.10 in 2001) and Save Percentage (.603 in 2001), and finished her career as the Nor'Easters leader in saves with 563 stops.

An All-Conference goalie for the University of New England, Powderly got her start in coaching in the fall of 2003 when she served as a field hockey coach for the Middle School of the Kennebunks in Kennebunk, Maine. She then spent a year in the United Kingdom, where she was a Lacrosse School Coaching Officer at Marlborough College. Upon her return to the U.S., Powderly spent one season under Julie Redman at her alma mater, before moving to Hamilton.