After only four months on the job, Jose Alvarado has stepped down as Yonkers city clerk, officials confirmed Wednesday.

"He is pursuing other opportunities in the private sector," said Adam Brill, a spokesman for Yonkers City Council president Chuck Lesnick, who received Alvarado's resignation letter.

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Alvarado, 47, is a former Westchester County legislator -- and one-time aide to Yonkers Mayor Mike Spano -- who was appointed to the position by a 4-3 council vote in late June. He was the first Latino in the city's history to serve as clerk.

Alvarado was making $102,500 in his new post as clerk. In January, Spano named Alvarado assistant to the mayor for constituent services, at $70,000 annually.

After a decade in the county Legislature, Alvarado lost in a primary last year to fellow Democrat Virginia Perez. A month later, he opted to drop his bid for a sixth term in office when he bowed out as the candidate for the Working Families and Independence parties. Four months later, Spano hired him.

Alvarado could not be reached for comment Wednesday evening.