I worked at GE global research as a summer intern. The manager is satisfied with my work, and would like to hire me. She step down after the intern, but told me she will try very hard to help with my job application. Unfortunately, the new manager had different opinions. I applied online, internal reference, went there for on site interview. It took a day, people are very technical there. You will make a technical presentation, and talk to manager, group members and finally HR. Few behavior questions. They canceled the opening after long time waiting.