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# Senior Network Engineer

- **Company:** Citadel LLC
- **Location:** United States
- **Experience:** Expert
- **Salary:** $175,000.0 - $350,000.0
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, Application Layers, Cloud Computing, Complex Networks, Distributed Systems, Python (Programming Language), Linux System Administration, Network Architecture, Networking Basics, Routing, Network Protocols, Reliability Engineering, Software Engineering, Cloud Platform System, Reliability of Systems, Low Latency
- **Published:** July 17, 2026
- **Apply:** https://www.dice.com/job-detail/42f12c30-921f-4a3d-a8c5-9b361b4a1566

## About the Role

* Experience designing, operating, and troubleshooting large-scale networked infrastructure in financial services, technology, cloud, telecommunications, or other performance-sensitive environments.
 * Strong understanding of networking fundamentals, including routing, switching, network protocols, and traffic engineering.
 * Experience working with Linux-based systems and distributed infrastructure environments.
 * Familiarity with automation and software development practices; experience with Python, Go, or similar languages is a plus.
 * Experience with observability, monitoring, incident management, and reliability engineering practices.
 * Ability to diagnose and resolve issues across infrastructure, network, and application layers.
 * Familiarity with cloud, hybrid infrastructure, or platform engineering concepts is beneficial.
 * Exposure to market data systems, exchange connectivity, trading platforms, or financial services technology is a plus, but not required.
 * Strong communication, collaboration, and problem-solving skills in fast-paced environments.

## Description

As a Senior Network Engineer, you will play a critical role in designing, implementing, and maintaining our complex network infrastructure to ensure low-latency, high-performance trading systems. Your expertise will be instrumental in driving the success of our trading strategies and maintaining our competitive edge in the financial markets., * Design, implement, and support high-performance network infrastructure and services that enable reliable, lowlatency connectivity across trading, market data, and enterprise platforms.

 * Partner with software engineering, infrastructure, and business teams to build scalable platforms, improve system reliability, and streamline operational workflows.
 * Develop automation, tooling, and observability solutions to improve infrastructure management, deployment processes, monitoring, and incident response.
 * Monitor and optimize network and system performance, proactively identify bottlenecks, and implement improvements to enhance reliability and efficiency.
 * Troubleshoot complex issues across network, systems, and application layers to minimize operational impact and improve service availability.
 * Contribute to the design and operation of resilient infrastructure platforms, including capacity planning, lifecycle management, and technology modernization initiatives.
 * Implement and maintain security controls and operational best practices to protect critical infrastructure and data.
 * Evaluate emerging technologies and industry trends, recommending solutions that improve performance, scalability, and operational excellence.


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