 On May 29, 2015, Pikkarainen concluded his third stint with HIFK and signed a one-year deal with German club Schwenninger Wild Wings.When his contract was up, he agreed to terms with fellow DEL side Iserlohn Roosters inking a deal for the 2016–17 season.In 41 games with the Roosters, Pikkarainen contributed with 2 goals and 18 points as Iserlohn finished out of playoff contention.