Margarita Marriaga earned $110,000 a year overseeing the call center.
Children and Families Commissioner Allison Blake told the Statehouse Bureau of the Star-Ledger of Newark and The Record a call about the girl on May 13 was mishandled.
Blake says the hotline screener, who had been on the job for less than a year, took incomplete notes and decided the call didn't merit an investigation.
Irvington police found Christiana Glenn dead nine days later. An autopsy determined the child died from an untreated broken leg and malnutrition.
Her mother, Venette Ovilde, has pleaded not guilty to aggravated manslaughter and child endangerment charges.
The screener has been reassigned.
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Information from: The (Newark) Star-Ledger and The (Woodland Park) Record, http://www.nj.com/starledger and www.northjersey.com
