Working for a diversified services organization can bring some unique challenges as their global footprint may be vast. Be sure to express to the interviewer that you are able to successfully handle the challenges that come along with a large geographic footprint.
If you have experience working with clients and co-workers in multiple time zones: "In my current position I collaborate with our offices in the U.S., Canada, Scotland, and Finland. It was a struggle at first to always remember what day and time others were working in; however, I now have a great desktop application that tracks this for me so I have quick reference to the information that I need."