By Dan McKay / Journal Staff Writer   Peter Mantos SANTA FE — Peter Mantos, who has had a 30-year career in software development and technical management, is joining Gov. Michelle Lujan Grisham's administration as secretary of information technology. He holds graduate degrees in computer science and business administration from the University of New Mexico, and he has worked for Siemens, Intel and other global companies. "Peter Mantos is eminently qualified to lead the state agency tasked with deploying broadband resources and arming our state against cyber-attacks," Lujan Grisham said in a written statement. "He will also be critical in...