Senior SRE - Low-Latency Trading Infra & Automation

Horizon Trading Solutions

Hong Kong

On-site

HKD 900,000 - 1,500,000

Full time

5 days ago

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Job summary

Horizon Trading Solutions in Hong Kong is seeking a Senior Site Reliability Engineer (SRE) to design, deploy, and operate the infrastructure behind our hosted and managed trading platforms. You will work across on-premises, colocation, and cloud environments to ensure reliability, security, performance, and scalability of critical production systems.

This hands-on role emphasizes automation, low-latency networking, and continuous improvement, collaborating with Infrastructure, Development,

Qualifications

10+ years of experience in Site Reliability Engineering, DevOps, Infrastructure Engineering, or Production Engineering.
Experience supporting business-critical production environments.
Experience with distributed infrastructures where performance and availability are paramount.
Experience working in a Follow-the-Sun support model.
Fluent written and spoken English and Mandarin.

Responsibilities

Ensure high availability and operational readiness of Horizon's managed trading platforms.
Monitor, maintain, and optimize production environments through proactive health checks, performance tuning, upgrades, and preventive maintenance.
Diagnose and resolve infrastructure, network, database, and application incidents to minimize service disruption and meet service level objectives.
Respond proactively to infrastructure alerts and client issues, lead deep-dive root cause analyses, and drive continuous improvement initiatives to enhance platform reliability.
Enforce change management procedures, including CAB reviews, break glass processes, and four-eyes validation.
Ensure compliance with internal operational processes and security standards.
Collaborate in the design and implementation of infrastructure supporting hosting, exchange connectivity, market data, and managed services offerings.
Deploy and maintain shared and dedicated infrastructure across on-premises, colocation, and public cloud environments.
Contribute to infrastructure modernization and standardization initiatives.
Ensure platforms remain secure, scalable, and resilient. Strengthen platform security through implementation of appropriate controls and tooling.