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# Network Engineer

- **Company:** Radix Trading LLC
- **Location:** Chicago, IL, United States
- **Contract:** Permanent contract
- **Skills:** Command-Line Interface, Protocol Stack, Complex Networks, Multicasting, Network Architecture, Network Planning and Design, Network Administration, Network Protocols, Performance Tuning, TCP/IP, Scripting, Computer Networking Systems, Juniper, Low Latency, Open Network Automation Platform, Cisco
- **Published:** October 27, 2026
- **Apply:** https://www.careerbuilder.com/job-details/network-engineer-chicago-il--42f96389-90f0-4e83-b974-bb31df908c73

## About the Role

Network Architecture/Engineering, Network Administration/Management, Network Architecture/Engineering, Performance Tuning/Optimization, Problem Solving Skills, Network Design, Network Systems, Best Practices, Regulatory Requirements, Optics, * Expert knowledge of networking and TCP/IP protocols.

 * Experience with vendor hardware and operating systems, including Arista, Cisco, and Juniper
 * Proficiency in Python scripting for network automation.
 * Strong knowledge of Unix/Linux network stack and command line tools. Experience with multicast design, especially in high-performance trading environments.
 * Trading network experience is highly desired.
 * Results-oriented, highly flexible, team player.
 * Strong problem-solving skills and the ability to lead network projects.

## Description

Radix Trading is seeking an experienced Network Engineer to design, implement, and manage our complex, low-latency network infrastructure. In this pivotal role, you will operate with a high degree of independence to ensure the reliability, performance, and optimization of our global network. The ideal candidate has deep expertise in networking within fast-paced trading environments and excels at solving challenging technical problems at scale., * Oversee the architecture, design, and strategy for research, enterprise and trading networks.

 * Lead the design and deployment of trading network infrastructure, ensuring optimal performance and low latency.
 * Troubleshoot complex network issues, ensuring minimal disruption to trading activities.
 * Collaborate with internal teams to ensure network systems meet trading application requirements.
 * Maintain and improve networking standards across the organization, adhering to best practices and regulatory requirements.
 * Work with remote datacenter teams to troubleshoot complex hardware, cabling, and optics issues
 * Develop scripts and tools for network automation and monitoring
 * Lead initiatives to ensure network scalability and performance in line with business goals.
 * Provide expert guidance on networking protocols.