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.

Qualifications

• 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.