Network Engineer

Austin, Chicago, Hong Kong, London, New York, Sydney

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Job Description

Role Summary
At Citadel Securities, a leading global market maker, our team of Network Engineers are responsible for the design, administration and troubleshooting of global network infrastructures in a fast paced, latency-sensitive environment.   
Opportunities available in Chicago, New York, London, Hong Kong, Sydney, Austin
Objectives
  • Design, engineer, and troubleshoot for the global network infrastructure in an aggressive, latency-sensitive environment 
  • Provide technical expertise to both internal and external users
  • Work closely with other team members to build best in class technology platforms
  • Facilitate communication and collaboration between business users and peer technology teams
Skills and Preferred Qualifications
  • Strong knowledge troubleshooting Layer 1, Layer 2 and Layer 3 issues
  • Knowledge of TCP/IP, OSPF, BGP, MSDP, PIM (SM and DM) protocols
  • Experience with Cisco (Routing, L3 and L2 switching, Firewalling (FWSM, PIX and ASA) and VPN (Site-to-Site IPSec)
  • Experience with provisioning and maintenance of Coarse and Dense Wave Division Multiplexing (DWDM)
  • Experience setting up co-location and working with co-location providers
  • CCNP certification or better
  • Bachelor’s, Master’s or PhD degree in Computer Engineering or equivalent experience
  • Strong written and verbal communications skills

About Citadel Securities

Citadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market’s most critical challenges, turning big ideas into real-world outcomes.

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