Principal Network Engineer

Job Title: Principal Network Engineer

Location: New York, NY / Chicago, IL / Overland Park, KS (Hybrid - 4 Days Onsite)

Salary: Full-time

Job Summary

We are looking for a Principal Network Engineer to lead advanced network design and performance engineering initiatives within a high-performance enterprise infrastructure environment. This role is ideal for candidates with fintech, capital markets, or high-frequency trading experience and deep expertise in low-latency networking.

Key Responsibilities

• Design and optimize ultra-low latency network infrastructure.
• Lead architecture decisions for enterprise and trading network environments.
• Evaluate and test network hardware from major vendors.
• Monitor network latency, buffer utilization, ASIC performance, and multicast environments.
• Develop standards for network scalability, resiliency, and performance.
• Partner with infrastructure and security teams on strategic initiatives.
• Drive technical leadership and mentor senior engineers.

Required Qualifications

• 10+ years of advanced network engineering experience.
• Strong background in financial services, fintech, or high-frequency trading environments.
• Expertise with Layer 1, Layer 2, and Layer 3 networking technologies.
• Deep understanding of network latency analysis and optimization.
• Experience with ASICs, buffer utilization, packet processing, and network hardware performance.
• Strong knowledge of multicast networking and multicast table sizing.
• Experience conducting vendor equipment testing and performance benchmarking.

Preferred Qualifications

• Experience in electronic trading or market infrastructure environments.
• CCIE or equivalent networking expertise.
• Strong automation and network observability experience.