Career
He played as a midfielder for HamKam and Vålerenga and was capped 16 times playing for Norway. He is the brother of Pål Jacobsen. Jacobsen played for HamKam from 1971 to 1978 and for Vålerenga from 1979 to 1982, before he returned to HamKam where he played until he retired.
He made his debut for Norway at the age of 17 years and 175 days in 1971, and was capped a total of 16 times.
Jacobsen joined HamKam"s coaching staff in 2000, after working at Adidas. After Solbakken left for Football Club Copenhagen, Jacobsen continued as Frode Grodås" assistant coach.
Jacobsen later worked in the youth department of HamKam until the end of the 2010 season, when he left the club for a job at the local NAV office while also coaching the fourth-tier side Ottestad Illinois in his spare time.