Work hours are varied dependent on your situation.
Answered - contractor (Current Employee) - Huntsville, AL
Working hours were great
Answered - Customer service Mananger (Former Employee) - Greenbelt, MD
Government contract: you work to a 40-hour work week with timesheets and are expected to put in a full day's work in the time allowed. Work rarely crept outside those guidelines, but it was vital to work efficiently and quickly to get things done in a regular 8 hour day.
Answered - Lead Scientific Visualization Programmer (Former Employee) - Greenbelt, MD
8am-4pm flex time too
Answered - IT Analyst (Former Employee) - Greenbelt, MD