Senior Network Engineer

4 weeks ago

New York, United States Gotham Technology Group Full time

Responsibilities


  • Network design, implementation and support of multi-vendor global trading network.
  • Contribute to greenfield buildouts of colocation and proximity datacenters.
  • Meet with stakeholders for project related items and identify key priorities.
  • Manage multicast market data feeds for all exchanges and support algorithmic traders.
  • Manage the firm’s security perimeter with primarily Palo Alto firewalls. Must be able to build site-to-site VPN tunnels and implement strict security policies.
  • Support PTP and NTP timing infrastructure.
  • Develop automation scripts to increase efficiency and identify areas of improvement.
  • Configure F5 Local Traffic Manager and Global Traffic Manager for IP and DNS load balancing.
  • Manage firm browsing policy using Cisco Umbrella DNS Essentials.
  • Analyze packet captures using sniffers, tcpdump, and Wireshark.
  • Document all aspects of the network using MS Visio and Confluence.
  • Monitor service-now user request queue and quickly adapt priorities based on severity.
  • Buildout proper network monitoring using Splunk, Zabbix, and other NPM solutions.
  • Global circuit capacity planning.
  • Provide on-call support and troubleshooting of all things network.


Qualifications:

10+ years of experience in engineering, implementation and maintenance of enterprise networks.

  • BS/MS degree or higher in computer science, networking, cybersecurity or related IT fields.
  • Deep knowledge and understanding of BGP, OSPF, PIM and IGMP including best practices.
  • Significant implementation experience with Arista, Cisco Catalyst, Nexus, and Palo Alto/Cisco ASA firewalls.
  • Thorough understanding of firewall policy administration and technologies including VPN and NAT.
  • Excellent troubleshooting skills on wide array of networking issues including LAN, WAN, and multicast.
  • Understanding of all aspects of datacenter build process including basic power consumption and cooling. Experience with Equinix desired.
  • Experience with PTP timing architecture for trading networks.
  • Experience using Linux command line utilities and ethtool.
  • Strong scripting and automation experience using python and ansible.
  • Experience implementing F5 LTM and GTM devices.

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