Senior Network Architect

4 weeks ago

London, Greater London, United Kingdom Citadel Securities Full time

Job Title: Senior Network Architect

Job Summary:

As a Senior Network Architect at Citadel Securities, 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.

Responsibilities:

  • Design and implement low-latency network solutions: Develop and deploy high-performance network architectures that facilitate the rapid transmission of data to and from various trading platforms, ensuring minimal delays and optimizing trade execution times.
  • Network monitoring and performance optimization: Proactively monitor network performance, identify bottlenecks, and implement improvements to achieve optimal network efficiency and reliability.
  • Troubleshooting and issue resolution: Rapidly diagnose and resolve network-related incidents and outages to minimize downtime and maintain uninterrupted trading operations.
  • Network security: Implement robust security measures to safeguard sensitive trading data and protect against cyber threats and attacks, ensuring the utmost integrity of our trading infrastructure.
  • Collaboration with cross-functional teams: Work closely with software developers, infrastructure teams, and traders to understand their requirements and provide network solutions that align with business needs.
  • Network capacity planning: Conduct regular capacity planning assessments to anticipate future requirements and ensure the network can scale to accommodate growing demands.
  • Stay updated with industry trends: Keep abreast of the latest networking technologies, trends, and best practices, and evaluate their potential application to improve our trading infrastructure.

Requirements:

  • Proven experience as a Network Engineer in a high-frequency trading or financial services environment.
  • Certification in Cisco technologies would be a benefit.
  • Deep knowledge of network protocols, topologies, and architectures, with a focus on low-latency networks and proficiency in configuring and troubleshooting network devices, including routers, switches, and firewalls.
  • Experience with network monitoring and analysis tools and automation – an understanding of Python would be beneficial.
  • Familiarity with market data feeds, exchange connectivity, and trading platforms (, FIX protocol) is a plus.
  • Excellent problem-solving skills and ability to work well in a fast-paced trading environment.

Compensation: In accordance with New York City's Pay Transparency Law, the base salary range for this role is $125,000 to $350,000. Base salary does not include other forms of compensation or benefits.

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