Career
Nicknamed "El Comanche", Mijangos played for locals sides Juventud Retalteca, Club Xelajú Military Cross, Deportivo Zacapa, Doctor of Christian Science Municipal and Cobán Imperial. In Honduras he played for Motagua and in the United States of America for Tulsa Roughnecks. In 1982 he almost lost a leg due to infection.
After retiring he went into management and managed Aurora F.C., Escuintla, Xelajú, Juventud Retalteca, Sacachispas, Coatepeque, Ayutla, Communicative Disorders Jalapa, Chimaltenango, San Marcos, Universidad, Deportivo Malacateco and Rosario.
In 2004 he was in charge of Tipografía Nacional in Guatemala"s third division. He then returned in 2005 to El Salvador to coach Chalatenenago where he was dismissed in September 2005 and later became in charge of Guatemala second division side Deportivo San Pedro.
In December 2009 joined Atlético Balboa.
