EXECUTIVE DIRECTOR JOB DESCRIPTION   The Durham Symphony Orchestra  The Durham Symphony Orchestra (DSO) is a leading performing arts organization in Durham  and contributes actively to the rich cultural life of the city and the greater Triangle community.  Durham is home to Duke University, North Carolina Central University, The American Dance  Festival, Durham Performing Arts Center, Kidznotes, El Sistema USA, Full Frame Documentary  Film Festival and the Pauli Murray Center for History and Social Justice, among many other arts  and cultural organizations.    The DSO was founded in 1976 by Vincent Simonetti, a tuba player with the NC Symphony,  creating the Triangle’s first regional community orchestra. A