The posting details a bit of Red 5's internal structure before going on to talk up what exactly each team is doing. The Chosen Warfront group is working on "new, dynamic encounters with the Chosen to make the war a part of the daily life of New Eden's residents." Translation: They're expanding on patrols and incursions to give PvE battles more of a random, life-like feel.
There are also specific teams devoted to creatures, player rewards, core combat, exploration, matchmaking, and more. Check it out on the Firefall website.