Vantaggi
I have had a fantastic experience at Arup at several of our East Asia/Australasian offices. I highly respect my colleagues, who bring bright ideas with out-of-the-box thinking. There is strong investment in internal research, sharing best-practices on our intranet and you are always sitting next to a few people smarter than you. International placements abound if you want them, especially for engineer/senior engineer levels (in 5 yrs since graduating I've already worked for Arup in 3 countries). Chance to contribute to iconic, award winning projects. Uniquely lively environment for such a big company which is willing to take risks and give young talented staff responsibilities. Management take care of their staff and the company is filled with those who have been with Arup for 20+ years - frequently people rejoin after working for others for a few years.
Svantaggi
Not too much to grumble about, but pay is mediocre. Financial discipline on projects can be a bit lacking at times.