Arista Network Specialist – Ultra Low Latency; ULL

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Role: Arista Network Specialist – Ultra Low Latency (ULL)

Location: New York, NY

Work Setup: Hybrid – 4 days in the office

Salary: Open, will be commensurate with experience

Our client is seeking an experienced Ultra-Low Latency Network Specialist to maintain the stability and performance of a global trading colocation network spanning over 30 data centers across AMER, EMEA, and APAC
. This role is key to supporting ultra-low latency trading operations through exceptional network design, optimization, and troubleshooting. You ll work closely with trading system developers to ensure a robust, high-speed infrastructure that underpins global financial markets activity.

• Architect, engineer, and deploy ultra-low latency network infrastructure within global colocation data centers.
• Oversee installation, maintenance, monitoring, and optimization of network and security hardware and software.
• Serve as the L3 escalation point for performance and availability issues in the colocation network.
• Maintain operational control and performance reporting to continually optimize trading infrastructure.
• Develop and maintain technical documentation, procedures, and monitoring systems.
• Collaborate with developers and trading technology teams to ensure optimal performance and reliability.
• Drive network automation and efficiency improvements through scripting and innovative solutions.
• Occasional travel required to global data centers for hands-on deployment and troubleshooting.

• Bachelor s degree in Computer Science, Electrical/Computer Engineering, or related IT discipline.
• CCIE Routing & Switching (Enterprise Infrastructure) certification including lab.
• Minimum 8 years of network engineering and project delivery experience.
• Deep knowledge of routing and switching protocols (OSPF, BGP, NAT, IPSEC, GRE, PIM, RP, MSDP, IGMP).
• Expertise with Arista and Cisco network hardware/software and low-latency designs.
• Experience with L1 network design and FPGA-based applications.
• Proficiency in Python or other scripting languages for automation.
• Strong understanding of market protocols: FIX, BOE, OUCH/ITCH, PILLAR, SBE, OMEX.
• Skilled in packet capture and decoding tools for network monitoring.
• Excellent troubleshooting, documentation, and cross-team collaboration skills.