Information Technology Network Specialist

6 days ago

Jakarta, Jakarta, Indonesia Deltadata Mandiri Full time 8,000,000 - 12,000,000 per year

The IT Network Specialist is responsible for designing, implementing, managing, and maintaining the company's network infrastructure to ensure security, stability, and high performance. This role plays a key part in network troubleshooting, performance monitoring, and safeguarding data communication across all systems.

Key Responsibilities :

  • Design, configure, and maintain LAN, WAN, WLAN, and VPN networks.
  • Monitor network performance and ensure optimal uptime and reliability.
  • Troubleshoot and resolve network issues, including connectivity and latency problems.
  • Manage and configure network devices such as routers, switches, firewalls, access points, and load balancers.
  • Ensure network security through firewall configuration, IDS/IPS management, and access control.
  • Perform regular firmware updates and apply security patches.
  • Collaborate with IT teams (system admin, security, helpdesk) to support system integration.
  • Develop and maintain network documentation, including topology diagrams and configuration records.
  • Support IT audits and compliance with security standards (e.g., ISO 27001, PCI-DSS).
  • Conduct capacity planning and recommend network infrastructure improvements.

Qualifications :

  • Bachelor's degree in Information Technology, Computer Science, or Network Engineering.
  • Minimum 1–2 years of experience as a Network Administrator or Network Engineer.
  • Strong understanding of TCP/IP, routing, switching, VLAN, DNS, DHCP, NAT, VPN, and firewall configuration.
  • Hands-on experience with network devices from vendors such as Cisco, Mikrotik, Juniper, Fortinet, or Palo Alto.
  • Proficiency in network monitoring tools (e.g., SolarWinds, PRTG, Zabbix, or Nagios).
  • Knowledge of network security, load balancing, and high availability concepts.
  • Ability to create and interpret network topology diagrams and technical documentation.
  • Relevant certifications such as CCNA, CCNP, CompTIA Network+, Fortinet NSE, or Mikrotik MTCNA are a strong plus.
  • Strong analytical thinking, problem-solving skills, and the ability to work both independently and in a team.

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