Senior Network Engineer, High-frequency Trading firm

Aptitude Asia Limited; Hong Kong; On-site; HKD 900,000 - 1,200,000; Full time

Job summary

Aptitude Asia Limited in Hong Kong is seeking a Senior Network Engineer for a leading high-frequency trading client. The role focuses on building and maintaining low-latency network infrastructure to support rapid trade execution.

You will design high-performance networks, monitor performance, resolve outages, and implement robust security. Strong Linux, IP networking, and cross-functional collaboration are essential.

Qualifications

• Experience as a Network Engineer in finance or trading environments.
• Strong focus on low-latency networking and hands-on device configuration.
• Solid Linux engineering and administration knowledge.
• Deep understanding of IP concepts and kernel bypass is a plus.
• Experience with infrastructure tooling (Terraform, Packer, Ansible, Docker).
• Excellent problem-solving and communication in English and Chinese.

Responsibilities

• Design and implement high-performance network architectures for rapid data transmission and trade execution.
• Monitor network performance, identify bottlenecks, and optimize for efficiency and reliability.
• Diagnose and resolve network issues to maintain uninterrupted trading operations.
• Implement robust security measures to protect sensitive trading data.
• Collaborate with software engineers, infrastructure teams, and traders to align network solutions with business needs.

Skills

Low-latency networks

Linux administration

Networking protocols

IP topology

Problem solving

English & Chinese

Tools

Terraform

Packer

Ansible

Docker

Job description

Job Openings Senior Network Engineer, High-frequency Trading firm

About the job Senior Network Engineer, High-frequency Trading firm

Our client, a top-tier high-frequency trading firm, is looking to hire a Senior Network Engineer with expertise in low-latency systems and infrastructure to join the Hong Kong team.

Job Responsibilities:

• Design and implement high-performance network architectures that enable rapid data transmission and low-latency trade execution for the trading systems.
• Proactively monitor network performance, identify bottlenecks, and implement optimizations to ensure optimal efficiency and reliability.
• Quickly diagnose and resolve network-related issues and outages to maintain uninterrupted trading operations.
• Implement robust security measures to safeguard sensitive trading data and protect against cyber threats.
• Collaborate cross-functionally with software developers, infrastructure teams, and traders to align network solutions with business needs.

Job Requirements:

• 10+ years of experience as a Network Engineer in a high-frequency trading or financial services environment.
• Deep technical expertise in network protocols, topologies, and architectures, with a focus on low-latency networks and hands-on configuration/troubleshooting of network devices.
• Deep understanding of Linux engineering and administration methods
• Detailed understanding of IP and networking concepts, familiarity with Kernel bypass techniques
• Proficiency in Infrastructure provisioning/management tools (e.g. Terraform, Packer, Ansible, Docker)
• Excellent problem-solving skills and the ability to thrive in a fast-paced trading environment.
• Excellent communication skills with fluency in both English and Chinese