System Administrator for High-Performance Mainframe Platforms
2 days ago
About Us:
Hong Kong Exchanges and Clearing Limited is a purpose-driven company, committed to the long-term development of our business and our markets. Our commitment to this vision is articulated in our purpose: "To Connect, Promote and Progress our Markets and the Communities they support for the prosperity of all."
Job Summary:
We are seeking an experienced System Administrator to join our team, responsible for managing and supporting mission-critical high-performance platforms on IBM System z. This role will involve working closely with a group of talented technologists on a regular basis, from support to implementation work.
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 on operating policies, technical architecture, and configuration of database systems.
- 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 vendors to ensure the highest quality delivery and implementation.
Requirements:
- 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 platforms on System z.
- Experience in VTL infrastructure, CA1, CA7, Endevor is advantageous.
- Strong analytical, problem-solving skills, good presentation skill.
- Good command of written and spoken English and Chinese.
HKEX is committed as an Equal Opportunity Employer, diversity being one of our core values. We look to support, respect diverse perspectives, abilities, culture, and experiences within our workplace.
Location:
HKEX - TKOShift:
N/AScheduled Weekly Hours:
40Worker Type:
Permanent-
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