Senior Network Engineer – Low latency trading

In this Senior Network Engineer role, you will design, implement, and operate a cutting-edge low-latency trading network at a top-tier HFT firm. You will lead global infrastructure efforts, drive performance improvements, and collaborate with software and infrastructure teams to enhance visibility and reliability. The role offers exposure to proprietary hardware, automation, and state-of-the-art monitoring in a fast-paced financial environment. You will shape the network stack that underpins ultra-fast trading strategies and contribute to a rigorous, knowledge-sharing culture.

• bonus

• Lead design, configuration, and maintenance of global low-latency infrastructure and proprietary hardware platforms
• Identify and implement improvements to configurations, technologies, and procedures to boost network performance
• Provide hands-on support for high-performance wireless and wired networks
• Utilize monitoring and analysis tools to diagnose and resolve network issues across the global footprint
• Document network processes, systems, and configurations for clarity and knowledge transfer
• Design and deploy novel monitoring and telemetry systems to increase network visibility
• Participate in network change and code reviews to continually improve the environment
• Collaborate with software and infrastructure teams to enhance internal tooling and automation
• Use automation to streamline repetitive tasks and improve operational efficiency

• 10+ years in large-scale enterprise or low-latency networks
• Experience managing large-scale networks, infrastructure, or software projects
• Proven ability to produce network design and architecture documentation
• Deep knowledge of Internet, WAN, LAN, and data center architectures
• Strong routing and switching skills with BGP, OSPF, or EIGRP; familiarity with multicast (IGMP, PIM)
• CCIE certification
• Proficiency in Linux administration (boot, services, files, processes, network, kernel)
• Ability to deploy/operate monitoring frameworks (Cacti, Zabbix, Nagios, Prometheus, Tick)
• Strong firewall experience (Check Point, Fortigate, Palo Alto, etc.)
• Scripting in Python/Go or similar
• Willingness to participate in rotating on-call schedule including weekends

• Collaborative teamwork with software and infrastructure groups
• Proactive problem-solving and continuous improvement mindset
• Effective communication and documentation
• Low-latency network design and optimization
• Routing protocols: BGP, OSPF, EIGRP
• Multicast (IGMP, PIM)