System Engineer (Linux) [$40-55k + bonus]
Posted Updated
Salary: $40k - $55k monthly + discretionary bonus
This is a leading financial institution in Hong Kong with solid business across APAC.
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.
Requirements
- Diploma or above in Information Systems, Computer Science or relevant.
- Experience in Linux system administration or infrastructure operations.
- Hands-on experience with RHEL for administration.
- Strong knowledge of Linux administration, system troubleshooting, networking, storage, and performance monitoring.
- Experience supporting production environments with high availability and strict uptime requirements.
- Familiarity with Shell/Bash scripting and basic automation.
- Experience with monitoring and logging tools such as Splunk, ELK, Zabbix, Grafana, or equivalent.
- Knowledge of VMware and enterprise backup solutions is preferred.
- Experience supporting mission-critical systems within investment banking, securities, financial services, or other regulated environments is highly desirable.
- Strong problem-solving skills and ability to work effectively under pressure during production incidents.
- Cantonese and English speaking is a must