Septimiu Câmpeanu was born on 12 July 1957 in Cluj-Napoca, Romania and started to play junior level football in 1970 at Universitatea Cluj, making his Divizia A debut under coach Silviu Avram on 17 August 1974 at age 17 in a 4–2 away loss in front of Steaua București.
[1][5][4] In 1982, after "U" Cluj were relegated once again to Divizia B, Câmpeanu went to play for Steaua București where he spent two seasons in which he managed to score 21 goals in the league, also helping the club reach the 1984 Cupa României final where coach Emerich Jenei sent him on the field in the 65th minute in order to replace Victor Pițurcă as the team lost with 2–1 in front of Dinamo București.
[1][5][4] Câmpeanu played three more seasons for The Red Caps in Divizia A, making his last appearance on 22 June 1988 in a 2–1 home victory against Oțelul Galați, having a total of 277 games and 117 goals scored in the competition.
[7] Four years after leaving Fortuna's under-17 team, Kamp returned to manage ninth-tier SV Rosellen [de] in January 2011.
[9][11] In his last game played for the national team, he managed to score his only goal in a 3–2 victory against Israel.