This is a great article about the increasing career opportunities within Supply chain. It has a very nice summary of pay ranges by job titles as well. One of the most comprehensive I have seen in a while. It also highlights the areas with the most growth..
"The fastest-growing positions, however, include Demand Planner (a mid-level job with a salary range of $50,649-$86,160), Purchasing and Procurement Clerk (an entry-level job with a salary range of $32,051-$54,397), and Logistics Analyst."