University faculty members with higher job satisfaction are more productive, creative and positive attitude towards their job. Even less is known about university faculty job satisfaction in developing countries like Vietnam. This study examines the effects of demographic, internal and external university environment factors on faculty job satisfaction in Vietnamese higher education. The study investigated 200 faculty members working in the five member colleges of Vietnam National University of Ho Chi Minh City. The results showed that most respondents were satisfied with their jobs, and that faculty job satisfaction varied with age and discipline. The present study also found that job satisfaction was significantly influenced by demographic and internal and external university environment factors. The study's implications for university management are also discussed.