Kevins was appointed first-team manager at Barnet Ladies in February 2004, having been part of the club as player, captain, or reserve team manager since 1989.[4] During her nine years as manager, she led Barnet from the South East Combination League (third tier) to the FA Women's Premier League National Division (first tier at the time).[5] She led the club to 11 trophies, including the FA Women's Premier League Cup in 2011, and reached consecutive FA Women's Cup semifinals in 2010 and 2011.[4] She was named Manager of the Year at the FA Women's Football Awards in 2010.[4] She left Barnet in February 2013.[4]
Between 2005 and 2012, Kevins also worked for the FA with the under-15, under-17, under-19, and under-23 national teams.[6] She had several stints as head coach and was an assistant coach for the under-19 teams that finished runners-up at the 2007 UEFA Women's Under-19 Championship and appeared at the 2008 FIFA U-20 Women's World Cup.[3] She was also an assistant coach for the under-19 boys' teams at Barnet's rivals Wealdstone.[3]
In March 2013, Kevins moved to the United States to become head coach of the Los Angeles Strikers in the USL W-League.[2] She led the Strikers to their first playoff berth that season.[7] In the W-League off-season, she mentored coaches at youth club LA Premier FC.[2] In 2014, the Strikers merged with W-League champions Pali Blues to become the Los Angeles Blues, with Kevins becoming technical director and Charlie Naimo staying as head coach.[7] That year, the Blues went 15–0 and were repeat W-League champions with aspirations to join the National Women's Soccer League (NWSL).[2]
In February 2016, Kevins became the technical director for the newly established Seattle Reign Academy,[8] working also as an assistant under first-team head coach Laura Harvey. She left the Reign to coach for the United States Soccer Federation (USSF).[3] In July 2017, she was named the head coach of the United States under-15 team.[3] She was also an assistant coach for the under-17 team in their victory at the 2018 CONCACAF Women's U-17 Championship and appearance at the 2018 FIFA U-17 Women's World Cup.[9] She was promoted to head coach with the under-17s in 2019.[9] The team was scheduled to play at the 2020 CONCACAF Women's U-17 Championship, but the tournament was cancelled due to the COVID-19 pandemic.[9]
Kevins became head coach of the United States under-20 team in October 2021.[9] The team rolled through the 2022 CONCACAF Women's U-20 Championship to the championship, with Michelle Cooper winning the tournament's Golden Ball and Golden Boot.[10] Later that year, they exited in the group stage of the 2022 FIFA U-20 Women's World Cup.[11] She kept her position for another cycle with the under-20s, finishing runner-up at the 2023 CONCACAF Women's U-20 Championship.[12] She then led the team to third place at the 2024 FIFA U-20 Women's World Cup, their best result at the tournament since 2012, as Ally Sentnor won the tournament's Bronze Ball.[13]
After two cycles with the under-20s, Kevins became the USSF's head of development for the women's youth national teams.[14]