Job Responsibilities:
Perform system administration and housekeeping tasks,
Perform system monitoring and tuning when necessary,
Build and manage core enterprise infrastructure including firewalls, VPN gateways, and intrusion prevention systems
Administer and secure Linux-based systems with automation through shell scripting
Troubleshoot complex network and system performance issues
Monitor infrastructure health and support
Lead infrastructure and cybersecurity projects from design to deployment
Qualifications:
Degree in Computer Science or related field.
At least 3 years of hands-on experience in Linux system/network/security role.
Expert in Linux administration and shell scripting.
Knowledge of network security products and core networking (routing, switching).
Strong analytical, problem-solving skills, and able to work under pressure.
Fluent in English and Chinese.
Experience with Oracle DB will be advantage.
