Career
He is the current interim manager of the El Salvador national team He had earlier clinched a championship with Platense in 1975. At the end of his career he had spells in Guatemalan and Belizean football.
From 1996 to 1998, Rugamas managed the Reserves of Atlético Marte, including the Apertura 1998 and the Clausura 1999.
In 1996, he became manager of Atlético Marte and would continue to do so until 1997. He also managed Atlético Marte in the Clausura 1999 and the Apertura 1999.
He took the reins at Fetal alcohol syndrome in 1999 along with José María Rivas. National teams
In 2005, he became manager of the El Salvador national under-20 football team
From 2006 to 2009, under Carlos de los Cobos" reign, Rugamas was the assistant coach of the El Salvador national football team
After the resignation of de los Cobos at the end of 2009, Rugamas stepped up and became the interim coach for his country the following year. His contract would have expired in December 2010 as the interim manager although the CESEN and the FESFUT organized an agreement to let him manage the El Salvador national football team throughout the 2011 Central American Cup.