Nearly one in 12 Greater Des Moines companies plan to add new professional-level positions in the second quarter, according to a new quarterly survey launched by Robert Half International. According to the Des Moines Professional Employment Forecast, 8 percent of local chief financial officers polled expect to add new positions in the next three months. A majority of CFOs, 79 percent, said they would not be adding new positions but would fill roles that open in the next three months. Another 12 percent of respondents will not be hiring. No companies said they plan to reduce staff. The survey, conducted by an independent research firm, is based on interviews with more than 100 CFOs at Greater Des Moines companies with 20 or more employees.