Sun Trading LLC, located in the Chicago Loop, is currently seeking a Senior Network Engineer with strong Cisco Networking and trading/brokerage environment experience. Responsibilities: 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 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 helpful. Knowledge: IP,TCP,UDP,ARP,DHCP,DNS,EIGRP,OSPF, PIM, and IGMP protocols Multicast design and troubleshooting Cisco Router and switch configuration and management skills. Network monitoring including syslog and SNMP Troubleshoot network problems with protocol analyzer. Basic knowledge of Windows and Linux Desktop productivity tools such as Excel and Visio Education/Certifications: Bachelor's degree in Computer Science, Engineering or a related field is preferred CCIE or strong CCNP preferred.
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