Jensen played youth football at Havørn, Vidar and Viking, in addition to college soccer for the Dowling Golden Lions.
Aged 18 he tried his luck at Eliteserien club Viking, but a groin injury hindered his development, and kept him on the sideline for one and a half years.
[6] In 2006, the Dowling Golden Lions won the NCAA Division II Men's Soccer Championship, and Jensen scored the game-winning goal in the final.
[4] He finished the 2006 season with 24 goals and 10 assists, and was awarded NSCAA Division II National Player of the Year.
[15][16] He served as an assistant coach for three seasons, in which the club earned promotion to the top division in 2018, and won the Norwegian Football Cup in 2019.
[17] Simultaneously, it was announced that Jensen and Bjarte Lunde Aarsheim would replace Berntsen, taking over as joint head coaches on two-year contracts.