Prestigious Proprietary Trading Firm located in Chicago’s Loop is currently seeking a Network Engineer.Job Description - Architect, implement, monitor, support and troubleshoot a global low-latency trading network including routers, switches, firewalls, and voice technologies. - Maintain network security through proper configuration of firewalls, proxies, and VPN devices.- Order and install exchange, WAN and Internet connectivity, as needed/approved.- Achieve close to 100% uptime through good design, thorough monitoring, careful and consistent change management, and immediate response to any outage.- Manage projects and deliver on time with periodic status reports to management.- Work collaboratively with other members of the global systems team to achieve firm goals.- Provide support off-hours and remotely when needed- Maintain and improve systems documentation Required Skills: Experience - Minimum 3 years supporting Cisco Routers and switches, including 6509.- Minimum 3 years experience supporting WAN technology, preferably including exchange connectivity and global networks.- Minimum one year experience supporting firewalls, preferably Cisco.- Experience supporting trading networks strongly preferred.- Cisco IP phone/Call Manager experience would be helpfulKnowledgeIP, TCP, UDP, ARP, DHCP, DNS, EIGRP, OSPF, PIM, and IGMP protocolsMulticast design and troubleshootingCisco Router and switch configuration and management skillsNetwork monitoring including syslog and SNMPTroubleshoot network problems with protocol analyzerBasic knowledge of Windows and LinuxDesktop productivity tools such as Excel and Visio Desired Skills: CCNP or CCIE To Apply to this job go to http://www.GadBall.com or click here