 Instead, Geertsen continued his career in Norway, signing with Sandnes Ulf in January 2015, a club which had recently been relegated from the Eliteserien and therefore competed in the second division.He made his official debut in the second round of the 2015 second division season, starting in a 1–1 away draw against Ranheim IL.In the summer of 2015, Geertsen signed a two-and-a-half year contract extension, keeping him a part of Sandnes Ulf until December 2017.