Principal Network Engineer — Low-Latency Trading, Hybrid

Harvey Nash Inc.; New York (NY); On-site; USD 200,000 - 250,000; Full time

Benefits offered by this job

Health insurance

401k match

Paid Time Off

Job summary

Harvey Nash Inc. seeks a Principal Network Engineer to be the technical anchor for a global, latency-sensitive trading network, spanning on-prem and cloud.

The role demands deep expertise in deterministic forwarding, advanced routing, and observable architectures, with leadership across cross-functional teams. You will design scalable networks for high-frequency trading environments, mentor engineers, and drive projects end-to-end, including pre-implementation validation and best-practice

Qualifications

• 10+ years of hands-on network engineering in low-latency environments.
• Deep expertise in deterministic network design and end-to-end latency analysis.
• Experience with global, hybrid data center and cloud connectivity.

Responsibilities

• Design and evolve low-latency, highly resilient network architecture globally.
• Lead advanced routing design across BGP, OSPF, MPLS, and multicast.
• Conduct lab validation and pre-implementation testing for major initiatives.
• Prepare migration runbooks, capacity plans, and implementation guidance.
• Develop Python-based network automation for configuration management and validation.
• Collaborate with infrastructure, security, application, and business teams.

Skills

Low-latency networking

Deterministic routing

Python scripting

Mentorship

Cross-functional collaboration

Observability knowledge

Education

CCIE certification

AWS Advanced Networking Specialty

Arista/Juniper certifications

Tools

Prometheus

Grafana

Python

SSH automation

Job description

Harvey Nash Inc. seeks a Principal Network Engineer to be the technical anchor for a global, latency-sensitive trading network, spanning on-prem and cloud.

The role demands deep expertise in deterministic forwarding, advanced routing, and observable architectures, with leadership across cross-functional teams. You will design scalable networks for high-frequency trading environments, mentor engineers, and drive projects end-to-end, including pre-implementation validation and best-practice