Linux Systems Engineer, Quant Trading Infra (24/7 On-Call)

Longyao Holding Co. Limited

Hong Kong

On-site

HKD 420,000 - 720,000

Full time

9 days ago

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Job summary

Longyao Holding Co. Limited seeks an experienced Linux Systems Engineer to operate and maintain cryptocurrency quantitative trading systems and market data platforms. You will manage Linux servers, ensure 24/7 availability, and collaborate with developers on releases and rollbacks.

The role requires a Bachelor’s degree in a computer-related field and at least 3 years of Linux operations experience. Familiarity with crypto or internet finance is preferred, and on-call duties are expected.

Qualifications

Bachelor’s degree in a computer-related discipline.
At least 3 years of Linux systems operations and maintenance experience.
Experience in internet finance, securities, futures or cryptocurrency industries is preferred.
Willing to provide on-call emergency response for a 24/7 production environment.
Strong problem diagnosis and incident response skills.

Responsibilities

Perform day-to-day operations and maintenance of cryptocurrency quantitative trading systems, market data systems and related infrastructure.
Deploy, upgrade and maintain business modules, including market data gateways, strategy engines and web systems.
Ensure stable 24/7 operation of trading systems and respond to production incidents and emergencies.
Monitor and optimise Linux servers, databases, middleware and network equipment.
Establish comprehensive monitoring and alerting to ensure observability across trading and market data flows.
Work with the development team on software releases and rollbacks.
Handle production security hardening, access management, and data backup and recovery.