Monitor the performance and availability of applications, servers, and systems.
Use monitoring tools (e.g., TrueSight, SolarWinds) to track system health and performance metrics.
Assist in identifying basic issues or irregular system behaviors.
Provide first‑level support under team supervision.
Support the operation of business applications and scheduled jobs.
Perform routine tasks such as running batch processes, handling deployments, and applying patches under guidance.
Assist in responding to system and application alerts, incidents, and outages.
Log, track, and resolve incidents using IT service management (ITSM) tools like ServiceNow.
escalate complex issues to senior team member or application development teams as needed.
Learn to use job scheduling and automation tools (Dollar Universe, CA7, Ansible).
Assist in simple scripting tasks (Bash, Python, PowerShell) to support operational automation.
Maintain basic documentation of system operation and update daily operational checklists.
Generate reports on system performance, incidents, and maintenance activities.
Work closely with senior operators, application development, DevOps, and infrastructure teams.
Provide basic support to end-users or internal teams for application-related issues.

High Diploma in Computer Science, Information Technology, or a related discipline.
Basic understanding of operating systems (Linux/Windows) and networking concepts.
Exposure to scripting (Bash/Python/PowerShell) is an added advantage.
Familiarity with application servers or databases is a plus.
Strong willingness to learn and ability to follow procedures carefully.
Good communication and teamwork skills.
Attention to detail and ability to work under pressure.
Able to work in a shift‑based 24×7 operations environment.

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.

Senior Computer Operator – System & Network Operations

Key skills