Faiczak began playing field hockey in grade seven[8] and joined her first provincial field hockey team when she was in grade nine.[9] As a forward for her high school team, the Bluevale Knights, Faiczak was an all-Ontario (OFSAA) champion.[6] It was the school's first OFSAA gold-medal.[10] The team, with Faiczak, had placed second and third in the two years prior.[5] She also played for the Guelph Gators[5] and was on Ontario's under-18 team when they won the U18 field hockey championship in 2017.[11]
During university, Faiczak played for the University of British Columbia Thunderbirds.[7] In 2017, Faiczak and the Thunderbirds won a USports championship.[8]
Faiczak made her debut for the Canadian U–21 team in 2016, at the Pan American Junior Championship in Tacarigua.[12][5] The team placed fourth overall.[6]
She represented the team three years later in a four–nations tournament in Dublin.[12]
In 2021, she was a member of the gold medal-winning team at her second Pan American Junior Championship.[13][14] She was unable to compete with the team in South Africa at the Junior World Cup later that year due to age restrictions.[6]
Jordyn Faiczak debuted for the national team in 2017 during a test series against Chile and India.[2]
She won her first medal in 2022, taking home bronze at the Pan American Cup in Santiago.[15][16] Later that year, she was named starting midfielder for the squad for the FIH World Cup in Amsterdam and Terrassa.[17] Faiczak represented Canada at the Commonwealth Games in Birmingham in 2022[8] and was named to the Canadian team for the Santiago 2023 Pan American Games.[18]
