Linux Senior Systems Engineer - Associate - Critical Services Support - IT

Hong Kong Exchanges and Clearing Limited; Hong Kong; On-site; HKD 600,000 - 900,000; Full time

Job summary

Hong Kong Exchanges and Clearing Limited (HKEX) is seeking a Linux Senior Systems Engineer to lead Linux platform administration and operations, with exposure to virtualization and private cloud environments. You will partner with application teams to ensure stable, secure systems that support daily financial market activities in Hong Kong.

The role requires hands-on RHEL expertise, automation skills (Ansible), and a strong focus on incident management, patching, and high availability.

Qualifications

• Degree in Computer Science, Information System or IT related disciplines.
• Minimum 8 years of direct, hands-on RHEL administration experience.
• Advanced knowledge of System tuning and troubleshooting.
• Familiarity with scripting (Bash).
• Experience with enterprise virtualization and private cloud platforms (e.g., VMware, OpenStack, DCS, HCS)
• Familiarity with Automation practices and tools (Ansible).
• Experience of managing change implementation on large scale systems.
• Good team player with passion to learn and aspirations for career development in the financial industry.

Responsibilities

• Partner with the application teams on IT solution configuration and review.
• Interact with internal and external parties on planning and execution.
• Play a role in incident and problem management such as impact assessments, troubleshooting and remediation and prevention.
• Compile operation and technical documents such as knowledge base, technical procedures and test reports.
• Handle BAU processes automation
• Provide production support including on-call duties when required
• Execute changes in accordance with change management procedures
• Support mission-critical systems with high availability requirements
• Manage patching, vulnerability remediation, and system hardening.
• Support audit, regulatory and internal control requirements.
• Coordinate with data centre operations and vendors for infrastructure issues.
• Collaborate with the Cyber security/infrastructure engineering and project teams to adopt modern technologies, such as multi-cloud and container orchestration, to enhance manageability.

Skills

Linux administration

Scripting Bash

System tuning

Troubleshooting

Team collaboration

Education

Degree in Computer Science, Information System or IT related disciplines

Tools

VMware

OpenStack

DCS

HCS

Ansible

Job description

Company Introduction: We’re home to Asia's most dynamic and vibrant capital markets. Connecting capital, ideas, inspiration and innovation for deeper, more diverse and liquid global capital markets; providing greater choice and opportunity for our customers, each and every day. HKEX is a purpose-driven company. Our commitment to the long-term development of our business and our markets is articulated in our purpose: "To Connect, Promote and Progress our Markets and the Communities they support for the prosperity of all."

Job Summary: The Critical Service Support teams are responsible for the BAU support of IT infrastructure for HKEX application systems. We strive for the highest IT standard by looking out for new technologies as well as continuous internal process automation and improvement.

Job Duties: As Linux Senior Systems Engineer, you will be primarily responsible for Linux platform administration and operations, with exposure to virtualization and cloud environments. We play a critical role in maintaining these company-wise systems that are critical to daily business operation. We also partner with application and infrastructure teams to operate our systems in such fast growing financial markets in Hong Kong.

Job Responsibilities

• Partner with the application teams on IT solution configuration and review.
• Interact with internal and external parties on planning and execution.
• Play a role in incident and problem management such as impact assessments, troubleshooting and remediation and prevention.
• Compile operation and technical documents such as knowledge base, technical procedures and test reports.
• Handle BAU processes automation
• Provide production support including on-call duties when required
• Execute changes in accordance with change management procedures
• Support mission-critical systems with high availability requirements
• Manage patching, vulnerability remediation, and system hardening.
• Support audit, regulatory and internal control requirements.
• Coordinate with data centre operations and vendors for infrastructure issues.
• Collaborate with the Cyber security/infrastructure engineering and project teams to adopt modern technologies, such as multi-cloud and container orchestration, to enhance manageability.

Job Requirement

• Degree in Computer Science, Information System or IT related disciplines.
• Minimum 8 years of direct, hands-on RHEL administration experience.
• Advanced knowledge of System tuning and troubleshooting.
• Familiarity with scripting (Bash).
• Experience with enterprise virtualization and private cloud platforms (e.g., VMware, OpenStack, DCS, HCS)
• Familiarity with Automation practices and tools (Ansible).
• Experience of managing change implementation on large scale systems.
• Good team player with passion to learn and aspirations for career development in the financial industry.

HKEX is committed as an Equal Opportunity Employer. Diversity is one of our core values and we look to support, respect diverse perspectives, abilities, culture and experiences within our workplace.

Location: HKEX - TKO Shift: Standard - 40 Hours (Hong Kong SAR) Scheduled Weekly Hours: 40 Worker Type: Permanent

Hong Kong Exchanges and Clearing Limited (HKEX) is a publicly-traded company (HKEX Stock Code:388) and one of the world’s leading global exchange groups, offering a range of equity, derivative, commodity, fixed income and other financial markets, products and services, including the London Metals Exchange. As a superconnector and gateway between East and West, HKEX facilitates the two-way flow of capital, ideas and dialogue between China and the rest of world, through its pioneering Connect schemes, increasingly diversified product ecosystem and its deep, liquid and international markets. HKEX is a purpose-led organisation which, across its business and through the work of HKEX Foundation, seeks to connect, promote and progress its markets and the communities it supports for the prosperity of all.

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