By Christopher CalnanData center operator Codero Hosting has enlisted local tech executive Robert Autenrieth as its chief operating officer.Autenrieth was previously vice president of global support operations for San Antonio-based Rackspace Hosting Inc. (NYSE: RAX). He will be based at Codero’s Austin office.Last year, Kansas-based Codero expanded to Austin, nine months after enlisting a local tech executive Emil Sayegh as CEO. The company’s Westlake Drive office employs 20 workers, including product development, marketing, customer support and sales workers, company officials said.In February 2012, Codero enlisted Sayegh— who was previously the Austin-based vice president of cloud services for California-based Hewlett-Packard Co.(NYSE: HPQ) — to grow Codero’s Austin office. Before joining HP, he was vice president and general manager of Rackspace’s cloud computing division.Codero, which was founded in 2009, is operated by APH Inc. It employs 50 workers. The company operates data centers in Chicago, Virginia and Phoenix.