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Responsibilities involve building network infrastructure, responding to network problems, short and long term project work, and continually driving improvements in network performance.

Experience supporting applications in a Network environment is a must. Prior experience with proprietary trading firms and exchanges is desired. Regular travel to Chicago is required.

Key Responsibilities:
• Work with teammates to drive the design and deployment of new installations of trading systems at exchange collocations
• Design and implement high performance, low latency WAN infrastructure
• Identify and evaluate new technology
• Troubleshoot infrastructure and application performance issues
• Find and improve performance bottlenecks
• Work closely with other parts of the business to identify areas of high opportunity

Key Skills / Attributes:
• Deep understanding of IP networking:
o Switching
o Routing (OSPF, EIGRP, BGP)
o Multicast (IGMP, PIM)
• Expertise with high-performance LAN technology (10 G ethernet, product architecture)
• Expertise with optical WAN technology (SONET, DWDM/CWDM, MPLS)
• Performance analysis and troubleshooting
o Packet capture and analysis
o Tapping and spanning
• Deep understanding of the TCP/IP protocol
• Experience with data center planning and deployment
• Experience with a scripting language such as python or perl
• Experience with the Linux operating system, C/C++, SQL a plus