Linux System Engineer - Banking Infrastructure

Ambition; Hong Kong Island; On-site; HKD 446,000 - 614,000; Full time

Job summary

Ambition, a leading financial institution in Hong Kong, is seeking a System Engineer (Linux) to join its critical operations team. The role focuses on supporting Linux servers and ensuring high availability for banking and trading platforms, with a monthly salary range of HK$40k–HK$55k plus discretionary bonus.

You will perform Linux administration, incident response, and collaborate with application, database, network, and cybersecurity teams.

Qualifications

• Diploma or higher in Information Systems, Computer Science or relevant.
• Experience in Linux system administration or infrastructure operations.
• Hands-on experience with RHEL for administration.
• Familiarity with monitoring and logging tools such as Splunk, ELK, Grafana, or equivalent.
• Experience supporting production environments with high availability and strict uptime requirements.

Responsibilities

• Provide L1/L2 support for Linux servers supporting mission-critical banking and trading platforms.
• Monitor infrastructure availability, system performance, and operational health to meet SLA requirements.
• Troubleshoot and resolve production incidents, perform root cause analysis, and support major incident management.
• Perform Linux administration including patching, upgrades, user management, security hardening, and backup validation.
• Execute operational changes, maintenance activities, and disaster recovery procedures.
• Develop and maintain operational documentation, runbooks, and standard operating procedures.
• Work closely with application, database, network, and cybersecurity teams to resolve infrastructure issues.
• Participate in shift rotation and on-call support as required.

Skills

Linux administration

Shell scripting

Incident response

Team collaboration

Education

Diploma or higher in Information Systems/CS

Tools

RHEL

Splunk

ELK

Grafana

Zabbix

VMware

Job description

Ambition, a leading financial institution in Hong Kong, is seeking a System Engineer (Linux) to join its critical operations team. The role focuses on supporting Linux servers and ensuring high availability for banking and trading platforms, with a monthly salary range of HK$40k–HK$55k plus discretionary bonus.

You will perform Linux administration, incident response, and collaborate with application, database, network, and cybersecurity teams.