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Senior Network Engineer - Chicago

An exciting electronic trading firm are looking to hire for a Senior Network Engineer to join their well-established IT team based out of Chicago.

An example of the day to day responsibilities:

  • Supporting the day to day network and application environments
  • Proactively suggest enhancements to existing configurations, technologies or procedures
  • Working closely with all IT functional areas to design and implement operational requirements for new and existing IT systems
  • Troubleshoot intricate network and systems issues down to the bit level and up to the application layer
  • Provide critical thinking to complex problems in a 24/7, mission critical network environment
  • Process, monitor and prioritize trouble tickets

This is an exciting opportunity for an experienced Network Engineer to join a cutting edge team working with the best technology available.  Our client have seen phenomenal success and are looking to bring someone in to the organization who can grow with them.

To be considered for the role, you should have skills and experience with the following:

  • 5+ years’ experience in network administration/engineering
  • Thorough understanding of the TCP/IP suite
  • Extensive experience with multicast networks
  • Detailed knowledge of the OSI layers 1-4 and associated equipment
  • Experience with advanced network concepts and technologies such as QoS, CoS, IDS/IPS, VoIP, flow control, PFC, store-and-forward switching and cut-through switching
  • Knowledge of fiber transport installation, troubleshooting and maintenance
  • Knowledge of DWDM and CWDM
  • Knowledge of switch architecture, ASICs and packet flow for current generation switches/routers
  • Knowledge of implementing and troubleshooting dynamic routing protocols such as EIGRP, BGP and OSPF
  • Experience with packet sniffing applications (Snort, TCPDump, Wireshark, Netmon, etc.).
  • Experience performance tuning networking infrastructures
  • Solid knowledge of scripting languages (bash, perl, powershell, vbscript) or programming languages (C++, C#, VB)
  • Must have experience in 24/7 environments
  • Should hold a Bachelor’s  or Master's Degree from a 4-year university in Computer Science, Information Science or related technical field