Principal Network Engineer - Low-Latency FinTech Onsite 4x

Harvey Nash Inc.; Chicago (IL); Hybrid; USD 200,000 - 250,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

401k match

Job summary

Harvey Nash Inc. in Chicago or New York is seeking a Principal Network Engineer to anchor our global, low-latency trading network.

The role emphasizes deterministic forwarding, advanced routing design, and end-to-end ownership across on-prem and cloud environments. You will mentor engineers, drive architecture and pre-implementation testing, and collaborate with security, infrastructure, and software teams.

Qualifications

• 10+ years in network engineering in mission-critical, low-latency environments.
• Expertise in deterministic network design, latency analysis, and traffic behavior.
• Proven routing knowledge including BGP/OSPF/MPLS/multicast at scale.
• Hands-on HW/SW evaluation, lab validation, and pre-implementation testing.

Responsibilities

• Design and evolve low-latency, highly resilient network architecture worldwide.
• Lead advanced routing design and implementation across complex environments.
• Perform pre-implementation testing and collaboration with software teams.
• Develop Python-based network automation for configuration management.

Skills

Low-latency networking

Deterministic routing

Python scripting

Network automation

Mentoring engineers

Technical leadership

Observability tools

Tools

Prometheus

Grafana

Automation APIs (SSH/REST)

Job description

Harvey Nash Inc. in Chicago or New York is seeking a Principal Network Engineer to anchor our global, low-latency trading network.

The role emphasizes deterministic forwarding, advanced routing design, and end-to-end ownership across on-prem and cloud environments. You will mentor engineers, drive architecture and pre-implementation testing, and collaborate with security, infrastructure, and software teams.