On the heels of last month's embarrassing site breach that allowed a hacker to redirect traffic from BarackObama.com to Hillary Clinton's Web site, the Obama campaign is looking to hire a network security expert to lock down its online operations. According to this job listing, the campaign is offering a salaried position on its Boston, Mass.-based development team to work through the election in November to handle all aspects of online security. [ SEE: Obama site hacked; redirected to HillaryClinton.com ] Some responsibilities: Analyzing the network architecture for the My.BarackObama website Leading an overhaul of existing security systems and architecture, including policy, firewall, VPN, and networking equipment Developing a strategy for responding to hack attempts, DDoS attacks, and other potential threats...