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about 1 month ago
Salary band: $10k - $15k
Location: North America, United States, Illinois, Chicago
Job type: Permanent
Contact: Request Technology - Stephanie Baker
Category: Engineer

Proprietary trading Firm in Chicago is seeking a Senior Network Engineer, preferably with industry experience. The Network Engineer will be a part of a highly skilled Engineers with expertise in low-latency networks, CISCO Router/Switches, Multicast, Layer 3 protocols, TCP/IP etc.

Responsibilities will include:

  • Design, test and implement new network infrastructures
  • Improve the performance and availability of existing networks
  • Develop and maintain monitoring systems
  • Problem and incident management
  • Prepare and execute network changes
  • Create and maintain documentation
  • Create reports regarding performance and availability
  • Supporting role in Linux, Windows, SAN, and data center deployment projects
  • Occasional onsite work at several co-location facilities in Chicago and New Jersey


  • In depth knowledge of networking: TCP/IP, Spanning-tree, multicast, routing protocols
  • 4+ years hands on experience with designing and implementing complex networks
  • DevOps type approach to network management - CLI is not enough.
  • Programming and Scripting experience (Python, Perl, etc.)
  • Working knowledge of UNIX type operating systems
  • Cross vendor hardware knowledge and operating experience (Juniper, Cisco, Arista, etc.)
  • Strong troubleshooting skills
  • Good communication skills, both internal (IT, traders) and external (providers)
  • Flexible working attitude (changes outside office hours, meeting deadlines, changing priorities)
  • Heavy documentation skill set
  • Understand various non-traditional networking technologies (Kernel Bypass, Layer1 Switches, RF, etc.)
  • Knowledge of switch architectures (Buffer/TCAM/ASIC/etc.)
  • Experience installing/supporting/using open-source monitoring (Cacti/OpenNMS/nfsense/Nagios/etc.)
  • Financial Services or Trading company experience is a plus
  • Excellent communication skills
  • Proven organization/detail oriented skills
  • Must be flexible, innovative and have the ability to prioritize in a fast paced, dynamic environment
  • Team player mentality
  • Passion for cutting edge technology

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