Complex sentence: After college, she took a job at the Galveston Daily News as a writer and lifestyles editor until, six months later, she was offered a reporting position at the "San Diego Union-Tribune".
Split into simpler sentences: After college, she took a job at the Galveston Daily News as a writer and lifestyles editor. It was short-lived when she was offered a reporting position at the "San Diego Union-Tribune".