Senior Network Operations Engineer

Chicago Mercantile Exchange•Chicago, IL

About The Position

The Senior Network Operations Engineer supports and improves CME Group’s large global network in a dynamic, high-paced environment. The role spans network security, market-data multicast routing, and wireless issues across trading floors, and works across teams without functional silos. The engineer contributes fresh perspectives while supporting a multi-vendor environment and evolving network architecture and operations.

Requirements

  • Bachelor’s degree or an equivalent combination of education and related work experience.
  • Demonstrable industry experience.
  • Extensive in-depth knowledge of and troubleshooting expertise with routing and switching protocols, including OSPF, BGP, and STP.
  • Experience designing or supporting large-scale multicast networks, with a focus on financial market data feeds.
  • Experience with network monitoring, packet-capture tools, or software-defined networking.
  • Strong understanding of security best practices across network areas, including firewalls, proxies, penetration scans, SSL, IPsec, and Dot1x.
  • Experience implementing and troubleshooting wireless networks, including standards, security, and radio placement.
  • Fundamental knowledge and theoretical understanding of software and hardware load balancers.
  • Familiarity with or experience using scripting languages and automation tools to operationalize routine tasks and accelerate deployments.
  • Broad understanding of networking concepts behind virtual environments and hybrid-cloud initiatives.

Nice To Haves

  • Experience in financial services and/or with large-scale unicast and multicast networks.

Responsibilities

  • Lead troubleshooting of network issues, analyze problems, and coordinate incident response with other departments.
  • Work on concurrent change implementations, emphasizing automation, documentation, and collaboration with other teams.
  • Engage with complex issues involving internal and external customers, including analysis of packet captures.
  • Partner with engineering on operational acceptance testing for new environments and identify gaps in procedures and documentation.
  • Keep current with emerging networking technologies through training or research and learn to support a multi-vendor environment.
  • Evaluate existing network designs and processes and propose and implement changes.
  • Respond to changes in the global network through configuration management and documentation, working with different departments and business units.

Benefits

  • Competitive total rewards package and annual target bonus opportunity.
  • Opportunity to become an owner through the company’s broad-based equity program.
  • Comprehensive health coverage.
  • Retirement package including a 401(k) and an active pension plan.
  • Education reimbursement.
  • Paid time off.
  • Mental health benefit.
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