I learned a lot working for Black & Veatch. As an office technician, the biggest challenge was moving up the ladder quickly, due to the unwritten tenure rule. Like many 10,000+ firms, half the people do the majority of the work - so working your tale off as a young professional never quite feels like it pays off fast enough. When you see others that - more... don't share a common purpose, is becomes discouraging and tends to increase ones complacency.
My advice is to let management worry about others productivity, if nothing happens, and you're not truly recognized, jump ship before you get too compla ... - less