At age five, she began playing with the minor ice hockey department of Hanhals IF in her hometown of Kungsbacka on the western coast of Sweden.

[1][7][8] Though Örnsköldsvik is situated in the north-central historical province of Ångermanland on the east coast of Sweden and is quite far from Kungsbacka, Wikner-Zienkiewicz selected MODO hockeygymnasiet because she had a number of relatives in nearby Umeå and Kramfors.

Her rookie season in the elite league did not culminate in any points, however, she skated in 25 games, the youngest player to play such a volume that season, and gained valuable experience playing alongside future senior national team teammates Ebba Berglund, Olivia Carlsson, Johanna Olofsson, Celine Tedenby, and Agnes Åker.

[2] She slotted into the middle six during her first three seasons with HV71, as the roster was packed with elite talent that variously included Olympians Sanni Hakala, Rosa Lindstedt, Michelle Löwenhielm, Hanna Olsson, Fanny Rask, and Riikka Sallinen, among others, and North American import players Jess Healey, Claudia Kepler, Kennedy Marchment, Sidney Morin, Danielle Stone, and Kaitlyn Tougas, among others.

[11] She declined an extension with HV71 following her breakout season, though HV71 general manager Jenni Asserholt made it clear that Wikner-Zienkiewicz was a player the club would have liked to retain.

[12][13] She received an offer from the newly established Frölunda HC, which was poised to play its inaugural season in the Nationella Damhockeyligan (NDHL).

In the press release announcing the signing, Grahm, a former MODO teammate of Wikner-Zienkiewicz's, described her as "an offensively skilled player with a great goal-scoring sense.