Ramírez started his career in the youth divisions of Club 1 de Mayo de Limpio and then moved to Club Fulgencio Yegros, also from the city of Limpio. His good performances caught the eyes of Club Sol de América of the Paraguayan 1st division, which signed him for five years. During his years at Sol de América, Ramírez won the 1st division title in 1986 and was runners-up with the team in 1988. He then went on to sign for Argentine side Textil Mandiyú in 1989 before returning to Paraguay to play for Olimpia Asunción where he won national and international titles such as the Copa Libertadores and the Supercopa Sudamericana in 1990. He was then transferred to CD Veracruz of Mexico and played for a year and a half in the team before having contractual problems that kept him off the fields from over 2 years. After sorting out his contract problem he was released by Veracruz and in 1998 he returned to Paraguay to play for teams like Sportivo Luqueño, Tembetary, Guaraní and 12 de Octubre before retiring.