Prestigious Global Trading Firm, located in the Chicago Loop, is currently seeking a Sr. 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 documentationExperience: - Minimum 5 years supporting Cisco Routers and switches, including 6509.- Minimum 5 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 helpfulKnowledge:-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 VisioEducation/Certifications: -Bachelors degree in Computer Science, Engineering or a related field is required-CCIE or strong CCNP preferred
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