Low-Latency Network Engineer

Durlston Partners; New York (NY); On-site; USD 360,000 - 400,000; Full time

Benefits offered by this job

Direct impact on P&L

Elite engineering culture

Competitive compensation

Job summary

Durlston Partners is seeking a Low-Latency Network Engineer in New York to design and operate ultra-fast trading networks that directly influence firm P&L. You will work with elite engineers on hardware-specific optimization and precise timing to push latency to the nanosecond level.

Responsibilities include end-to-end network design, exchange colo management, and latency instrumentation. The role offers autonomy, direct impact, and a high-performance culture in a top market center.

Qualifications

• Deep low-latency networking in a trading or HFT environment.
• Strong Layer 1/2/3, multicast, and precision timing expertise.
• Hands-on with high-end networking gear and NICs, kernel bypass tooling.

Responsibilities

• Design, build and optimise ultra-low-latency trading networks end to end.
• Tune Layer 1 switching, multicast market data, and precision time to the nanosecond.
• Own exchange colocation, cross-connects and connectivity across NY venues.
• Squeeze latency out of NICs, kernel-bypass stacks and switch fabrics.
• Build the capture, measurement and monitoring that proves every nanosecond gained.

Skills

Low-latency networking

Layer 1/2/3 networking

Multicast

Kernel bypass

Python automation

Tools

Arista/Cisco/Metamako-class gear

Solarflare/Xilinx NICs

Job description

Low-Latency Network Engineer – Elite HFT Firm – New York | Up to $400k TC

One of the most respected names in high-frequency trading, where the network is the edge.

• Consistently among the fastest players in the market
• Small, elite engineering team with direct impact on trading performance
• Nanosecond-level work alongside some of the best network minds in the industry

They're pushing the limits of low-latency infrastructure and need a network engineer who lives at the packet level to push it further.

What you'll be working on:

• Design, build and optimise ultra-low-latency trading networks end to end
• Tune Layer 1 switching, multicast market data, and precision time (PTP) to the nanosecond
• Own exchange colocation, cross-connects and connectivity across NY venuesSqueeze latency out of NICs, kernel-bypass stacks and switch fabrics
• Build the capture, measurement and monitoring that proves every nanosecond gained

What they're looking for:

• Deep low-latency networking in a trading or HFT environment
• Strong Layer 1/2/3, multicast, and precision timing expertise
• Hands-on with Arista/Cisco/Metamako-class kit, Solarflare/Xilinx NICs, kernel bypass
• Comfortable with exchange colo, cross-connects and market-data feeds
• Python or similar for automation and latency tooling

What's on offer:

• Up to $400k total comp (can be negotiable for the right profile)
• A network that directly moves the firm's P&L, with the autonomy to own it
• Elite engineers around you and zero corporate drag
• Genuine investment in your depth and development