• Network/System Administrator

    Job Location(s) US-IL-Chicago
    Posted Date 10 months ago(6/29/2017 1:37 PM)
    Job ID
    # of Openings
  • Overview

    A leading proprietary trading firm and market maker registered with the Securities and Exchange Commission as a broker-dealer. We are proud to promote greater efficiency and deeper liquidity throughout the global marketplace. We are recognized globally as a leading liquidity provider and our business is diversified across geographies, strategies and asset classes. With more than 100 employees in our offices in Chicago, New York and London, we are active in equities, foreign exchange, fixed income and futures markets around the world. We utilize the latest technologies in hardware and networking, but our employees represent our distinctive competitive advantage. We seek to employ professionals from various backgrounds and disciplines who thrive in a collaborative, fast-paced, and performance-driven environment. Our diverse professional experiences help us succeed by giving us the ability to identify new opportunities in the marketplace. Our focus on developing a world-class trading platform and sound decision making enables us to act quickly to take advantage of opportunities when identified. We continuously invest in our people, technology and advanced research capabilities to ensure that we are utilizing the most optimal resources available in the world today. We are looking for a Sr. Network Engineer with strong Cisco / Arista networking and intermediate python skills. The ideal candidate has trading / brokerage experience with an understanding of HFT networks. 




    • 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.





    • Minimum 3 years supporting Cisco routers and switches, including IOS and NX-OS.
    • Minimum 3 years experience supporting WAN technology, preferably including exchange connectivity and global networks.
    • Minimum one year experience supporting firewalls, preferably Cisco and Checkpoint.
    • Experience supporting trading networks strongly preferred.
    • Cisco IP phone/Call Manager experience is helpful.




    • IP, TCP, OSPF, BGP, UDP, ARP, DHCP, DNS, EIGRP, 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
    • Scripting / automation using Python or PHP Basic knowledge of Windows and Linux Desktop productivity tools such as Excel and Visio




    • Bachelor's degree in Computer Science, Engineering or a related field is required CCIE or strong CCNP preferred


    Sorry the Share function is not working properly at this moment. Please refresh the page and try again later.
    Share on your newsfeed

    Connect With Us!

    Not ready to apply? Connect with us for general consideration and email updates.