Green Lake Executive Search Co. Limited
Senior Trading System Support Engineer
Skills
17 days ago
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Important information
Contract type:
Permanent
Location:
Hong Kong
Work mode:
Onsite
Published on:
5 October 2026
What they need
About the role
Senior Trading System Support Engineer supporting a Chinese-funded securities firm in Hong Kong. This role will support the firm's Hong Kong and global securities and futures trading systems, covering daily operations and maintenance, advanced technical support, system architecture optimization, disaster recovery drills, and collaboration with exchanges such as HKEX and system vendors. The successful candidate will help ensure high availability and business continuity of the trading platforms.
Key responsibilities
- Coordinate with vendors (Fidessa, iAsia, eSunny) on upgrades, hotfixes, performance/UAT testing and production changes
- Prepare and execute HKEX/overseas exchange market rehearsals, mandatory drills and BCP/DR failover tests
- Drive automation for health checks, monitoring/alerting and operational tools using Python/Shell
- Act as L2/L3 escalation for complex trading incidents, network dropouts and market data anomalies
- Run morning pre-market checks, market-hours monitoring, troubleshooting and EOD settlement support across securities, options and futures
- Maintain trading gateways, HKEX OMD/market data feeds, FIX connectivity and third-party APIs
- Support Trading Desk, Middle/Back Office and Risk; handle technical issues and requirements
- Manage vendors, market data providers and telecom operators; support SFC/HKEX audits and compliance
- Participate in architecture tuning and fault-tolerance improvement
About you
- Bachelor's/Master's in Computer Science, IT, Financial Engineering or related
- At least 5-10 years in trading system operations or advanced technical support at HK financial institutions
- Strong understanding of HK/global securities, futures and options workflows: order routing, clearing, settlement, risk control, market data
- Hands-on with Fidessa OMS/EMS; iAsia and/or eSunny futures platforms
- Knowledge of HKEX trading/market data architecture: OCG, OMD, VCM/CAS
- Linux/Unix, SQL, Shell/Python automation
- Fluent Mandarin or Cantonese; functional English for technical communication
- Strong pressure handling, logical analysis and fast troubleshooting
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