Following the 2011–12 season, Walker and teammates Sarah Wilkes and Jen Gates moved from Ontario to curl out of Edmonton, Alberta where they were joined by Albertan Rebecca Pattison.

Walker played in her first WCT Grand Slam event at the 2012 Curlers Corner Autumn Gold Curling Classic, where her team lost in the quarter-finals.

At the second Grand Slam of the season, the Crocker rink repeated that success by finishing in the quarterfinals of the 2012 Manitoba Lotteries Women's Curling Classic.

Next, Walker played in the 2013 Winter Universiade with her Laurier University rink which included Wilkes, Gates and lead Cheryl Kreviazuk.

The team would win two tour titles that season, the HDF Insurance Shoot-Out and the Boundary Ford Curling Classic.

In their first season together, the Rocque rink won the Red Deer Curling Classic and the CCT Uiseong Masters on the tour.

In the 2017–18 season, Team Rocque would win the Curl Mesabi Classic and would play in three slams, making it to the quarterfinals at just the 2018 Meridian Canadian Open.

[4] In their final event together, with Rocque off the team, the rink would lose in a tiebreaker at the 2018 Players' Championship with Walker skipping and Kendra Lilly brought in to play third.

Walker won her first provincial title this season as well, defeating former teammate Kelsey Rocque 7–4 in the 2020 Alberta Scotties Tournament of Hearts final.

Representing Alberta at the 2020 Scotties Tournament of Hearts, Walker led her team to a 3–4 record, failing to qualify for the championship round.

[6] Walker's regular lead Nadine Scotland, who was three-months pregnant, opted not to play in the tournament, which was being held in a "bubble" due to the pandemic.

[7] Due to COVID restrictions, there was no one in attendance for the event, including family members, but Walker, was allowed to bring her five month-old son and her husband as a caregiver.

[8] In the tournament itself, Walker led Alberta to a 9–3 round robin record, tied for third with Manitoba, skipped by Jennifer Jones.

Walker beat Jones in the tiebreaker, but lost in the semifinal against the defending champion Team Canada rink, skipped by Kerri Einarson, settling for a bronze medal.

[9] Walker returned to the bubble in April 2021 as she was scheduled to spare for the Rachel Homan rink for the only two Grand Slam events of the abbreviated season.

In just their second event of the 2021–22 season, Team Walker reached the final of the 2021 Alberta Curling Series: Saville Shoot-Out where they were defeated by Kim Eun-jung.

[27] Walker also played for the team at three other Slams, the 2023 Canadian Open, the 2023 Players' Championship and the 2023 Champions Cup where they failed to reach the playoffs.

With Walker, at the 2016 Canadian Mixed Doubles Curling Trials, the pair would make it all the way to the finals before losing to the Jocelyn Peterman / Brett Gallant duo.

They also represented Canada in the first leg of the 2018 Curling World Cup in Suzhou, China,[29] which they would end up winning, defeating the United States (Korey Dropkin and Sarah Anderson) in the final.

At the 2021 Canadian Mixed Doubles Curling Championship, Walker and Muyres went 6–0 through the round robin before losing in the 3 vs. 4 game to Kerri Einarson and Brad Gushue, placing fourth.

[31] Following the 2021-22 season, Walker decided to focus her career strictly to the Mixed Doubles discipline with Muyres to push for an Olympic appearance in 2026.