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JOB DETAILS

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

CompanyHong Kong Exchanges and Clearing Limited (HKEX)
LocationChina
Work ModeOn Site
PostedOctober 1, 2026
About The Company
HKEX Group is a global exchange group, operating dynamic and integrated financial markets in Asia and Europe. From our home in the financial hub of Hong Kong and an additional base in London, we provide world-class facilities for trading and clearing securities and derivatives in Equities, Commodities, Fixed Income and Currency. Uniquely positioned at the intersection of Chinese and international capital flows, Hong Kong has long been Connecting China with the World. With the accelerated opening-up of China’s capital markets, HKEX continues to be at the forefront of this historic transition, which we believe will Shape the Global Market Landscape.
About the Role

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
Key Skills
LinuxRHELSystem AdministrationVirtualizationCloud ComputingBashAnsibleAutomationIncident ManagementProblem ManagementVMwareOpenStackSystem HardeningVulnerability RemediationInfrastructure Support
Categories
TechnologyEngineeringFinance & AccountingSoftware
Job Information
📋Core Responsibilities
The Senior Systems Engineer is responsible for the administration and operation of Linux platforms, including virtualization and cloud environments. They will manage incident and problem resolution, automate BAU processes, and ensure the high availability of mission-critical financial systems.
📋Job Type
full time
📊Experience Level
5-10
💼Company Size
2110
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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