Prior to his appointment as assistant city manager in 2018, Esquivel had served as Tomball's director of public works since 2015, as Community Impact Newspaper previously reported.
With Esquivel appointed interim city manager, council members also unanimously voted to appoint Police Chief Jeffrey Bert as interim assistant city manager.
Mayor Gretchen Fagan said Bert will also retain his role of police chief.
Bert was appointed chief of the Tomball Police Department in June 2020, as Community Impact Newspaper previously reported. Bert previously served in the Los Angeles Police Department.
Fagan said April 5 a search has not yet begun to hire a permanent city manager but that one is expected to begin soon.