Infrastructure & Security Engineer

Monitor, maintain, and troubleshoot IT infrastructure, servers, and security systems to ensure system availability, performance, and security.

Perform Linux server administration, including basic configuration, monitoring, user management, service management, and log analysis.

Configure, monitor, and troubleshoot Firewall policies, rules, and network security controls.

Monitor and maintain Web Application Firewall (WAF) configurations to protect web applications from common security threats.

Manage and troubleshoot SSL/TLS certificates, including installation, renewal, configuration, and certificate-related issues.

Perform infrastructure and security troubleshooting related to server, network, connectivity, application access, and security incidents.

Monitor system logs and alerts to identify potential infrastructure or security issues.

Support incident investigation and resolution related to infrastructure and security environments.

Perform routine system health checks, maintenance, and security configuration reviews.

Collaborate with application, network, and development teams to troubleshoot infrastructure and security-related issues.

Maintain technical documentation, configuration records, troubleshooting guides, and incident reports.

Support infrastructure and security improvement initiatives based on operational requirements.

Bachelor’s degree (S1) in Information Technology, Computer Science, Information Systems, Cybersecurity, or a related field.

1–2 years of experience in Infrastructure, System Administration, IT Operations, Network & Security, or a related role.

Good understanding of Linux operating systems and basic Linux server administration.

Hands-on experience with Firewall configuration, monitoring, and troubleshooting.

Familiarity with Web Application Firewall (WAF) concepts and basic configuration/troubleshooting.

Understanding of SSL/TLS certificates, including certificate installation, renewal, and troubleshooting.

Strong troubleshooting and problem-solving skills, particularly for infrastructure, connectivity, and system-related issues.

Basic understanding of TCP/IP, DNS, HTTP/HTTPS, ports, and network connectivity.

Familiarity with system monitoring and log analysis tools is an advantage.

Basic understanding of information security principles and common network/application security risks.

Able to work independently as well as collaborate with cross-functional technical teams.

Good communication skills and willingness to learn new infrastructure and security technologies.