Network Security Engineer

About Protergo Cyber-Security

We are Indonesia’s leading cyber-security company, specializing in both Blue Team (Defense) and Red Team (Attack) services. Founded by an experienced team of cyber-security experts and fully incorporated in Indonesia, we have an in-depth understanding of the nation’s cyber-security landscape.

Job Description

• Design, implement, and maintain LAN, WAN, and WLAN infrastructure.
• Deploy, configure, and troubleshoot routers, switches, firewalls, and wireless devices.
• Install, configure, and maintain Wireless Access Point systems, CCTV (IP & Analog), Access Control systems (card and biometric-based), and PABX/telephony systems.
• Perform network monitoring, performance optimization, and technical troubleshooting.
• Handle network and security incidents, including root cause analysis and preventive actions.
• Configure and maintain firewall policies, VPN (IPSec & SSL), and network segmentation.
• Manage and monitor EDR (Endpoint Detection and Response) platforms and PAM (Privileged Access Management) solutions.
• Support network deployment projects, upgrades, and continuous improvement initiatives.
• Prepare and maintain technical documentation, deployment reports, and network topology diagrams.
• Coordinate with ISPs, vendors, and internal teams during deployment and operational activities.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Strong knowledge of networking fundamentals (TCP/IP, OSI Model, VLAN, subnetting).
• Experience with routing and switching, including Static Routing, OSPF, and BGP (basic to intermediate).
• Hands-on experience with network security platforms such as FortiGate, FortiAnalyzer, and Email Security Gateway solutions (e.g., FortiMail or Cloudflare).
• Familiarity with network infrastructure devices including routers, switches, wireless controllers, and access points from vendors such as Mikrotik, Ruckus, H3C, Aruba, or Ubiquiti/UniFi.
• Experience working with network monitoring systems such as PRTG or similar tools.
• Basic networking knowledge in Linux and Windows Server environments.
• Experience or exposure to SD-WAN technologies.
• Understanding of SIEM (Security Information and Event Management) concepts and monitoring workflows.
• Familiarity with IP telephony systems, CCTV platforms (e.g., Hanwa/Hikvision), and electronic access control systems.
• Strong ability to analyze and troubleshoot network and security-related issues.
• Ability to work independently as well as collaboratively within a team environment.