Senior Systems Infrastructure Specialist
5 hours ago
Our team maintains cutting-edge systems for critical services like trading, market data and clearing in cash and derivative markets. We play a pivotal role on infrastructure support, including IBM Mainframe and DBA.
We partner with application and cyber security teams to operate our systems in such fast-growing financial markets in Hong Kong.
Key Responsibilities:- Implement and support infrastructure solutions in critical IBM System z environments that demand stability, high throughput and controlled CPU resources.
- Perform mainframe administration, support services, management of z/OS, DB2, CICS and related 3rd party utilities and peripherals.
- Be responsible for system configuration, installation, customization, security setup, system management functions, performance reporting, performance tuning, stress test, capacity planning, patching and upgrade, backup and recovery.
- Provide support and implementation work to application teams including database administration and performance analysis.
- Provide advice for operating policies, technical architecture and configuration of database system.
- Implement compliance standards and perform regular system compliance review.
- Proactively assess exposure areas and take steps to reduce vulnerabilities.
- Anticipate, evaluate, and resolve complex system problems to minimize downtime and system performance degradation.
- Perform infrastructure support per standard ITIL/ITSM Incident management, Problem Management, Change Management and Release Management processes.
- Manage vendor to ensure the highest quality delivery and implementation.
- Degree in Computer Science, Information System or IT related disciplines.
- Minimum 8 years of working experience with z/OS, DB2, CICS.
- Experience in supporting mission critical, high availability, high performance platform on System z.
- Experience in VTL infrastructure, CA1, CA7, Endevor is of advantage.
- Strong analytical, problem solving, good presentation skill.
- Good command of written and spoken English and Chinese.
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