Location: Chicago, ILResponsible for Initiating preventive and corrective measures to ensure optimal performance. Understanding external trends, competitor approaches and recent developments in IT that will help improve systems, infrastructure and services. Technical requirements:  Expert in various Operating Systems and their internal workings (Unix, Linux, Solaris, Windows, Mac OS X)  Expert in Scripting (Perl, Python, bash, Powershell)  Expert in Java and/or C/C++  Experience with OS and network tuning  Good understanding of networked systems (TCP/IP, UDP, IP multicast)  Experience with SQL (MYSQL)  Experience with Wireshark/Ethereal Required Skills: Performance Engineer To Apply to this job go to http://www.GadBall.com or click here