In the Paraguayan championships, since the start of the Clausura 2007 tournament, Israel coached Club in 68 matches. His record was 48 wins, 16 draws, and just 4 defeats. In the 2007 Clausura, broke a national record for a short tournament with a total of 55 points.
In the Apertura 2008, Club surpassed the record with a total of 57 points.
Also, as coach Rubén Israel, broke a third national: the annual cumulative, adding up a total of 101 points in 2008 (he added 95 in 2007). Foreign the first tri-championship in its history, Club scored 53 goals, the top scoring team of Apertura 2008, and only allowed 13 goals, becoming the team with the best defence.
The 6th Annual Premios Fox Sports named Rubén Israel as the best football coach and named Club of Paraguay the best football team In May 2009 there was speculation that Israel would be the new coach of Atlético Nacional, and negotiations reached an advanced point.
However, the emergence of several businessmen in the middle of it was that Israel desist from directing the club
Shortly after, Israel was confirmed as the new coach of Santa Fe. A month later, on June 29, Israel resigned after receiving death threats if he did not include a player in the line-up. Israel and the player in question later wound up on the same team, In October 2009 Isrel assumed the leadership of, and took them to 14th place in the standings, improving their performance.
They qualified for the play-offs, and were eliminated by Deportes Louisiana Serena.
In the post after a year of technical management of the club leaving the team in 5th position on league area Pre-ores 2011 and reaching the quarterfinals of Copa Chile. On 6 April 2011 the Federación Salvadoreña de Fútbol made official Israel"s appointment as national coach, which was led by José Luis Rugamas, and supervisor of minor national teams in the country combined.
Israel coached his first match against Honduras on May 29, which ended in a 2-2 draw, before the beginning of the 2011 CONCACAF Gold Cup. Israel left Uruguay for personal reasons on 14 April and returned on 25 April.
During a press conference on 28 April Rubén Israel announced the coaching staff that will coach the pre-Olympic U-23 and national team
The individuals that will form the coaching staff are assistant managers Mauricio Alfaro and José Luis Rugamas, physical trainers Esteban Coppia (Argentina) and Nicolás Dos Santos (Uruguay) and the goalkeeping coach Carlos Cañadas. On July 9, 2012 it was announced Rubem Israel resigned from his duties as coach of the salvadoran national football team On September 4, 2013 was appointed manager of Atlante.