Hybrid IT Network Infrastructure Specialist

at qode.world

• Job title: IT Network Infrastructure Specialist
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Firewalls, Grafana, Switching
• Location requirements: Hybrid, Jakarta, Indonesia

About the role

• Manage and optimize IT network infrastructure in Jakarta, Indonesia. Oversee routing, switching, firewall configurations, and ensure high-performing network connectivity.

Responsibilities

• Manage and maintain core network infrastructure including routing, switching, and firewall configurations.
• Implement and troubleshoot Layer 2 and Layer 3 protocols, including VLANs and both static and dynamic routing.
• Manage core, distribution, and access layer switches to ensure optimal network performance.
• Design, deploy, and optimize enterprise-grade wireless networks.
• Manage WLAN controllers and perform heat mapping and RF interference troubleshooting.
• Work with wireless technologies such as Aruba, Ruckus, or Cisco.
• Configure and maintain Next-Generation Firewalls such as Fortinet, Cisco, or Sangfor.
• Manage VPN environments, including site-to-site and remote access VPNs.
• Support SD-WAN deployments and connectivity optimization.
• Manage relationships with Internet Service Providers (ISP).
• Ensure network resilience through redundant failover setups and bandwidth load balancing.
• Administer and monitor network access accounts and policies.
• Manage blocked sites and program tracking to enforce network usage policies.
• Monitor network performance using tools such as WhatsUp Gold, PRTG, Zabbix, Cacti, or Grafana.
• Conduct regular network audits and ensure compliance with standards such as ISO 27001, SOC2, or PCI-DSS.
• Analyze network metrics including uptime, latency, and traffic patterns.
• Maintain accurate network topology diagrams and IP Address Management (IPAM) records.
• Track network hardware lifecycle, including maintenance, migration, firmware updates, decommissioning, and license renewals.
• Maintain change management logs for infrastructure updates and modifications.

Requirements

• Bachelor’s degree in Information Technology, Computer Science, or related field, or equivalent practical experience.
• 3+ years of experience managing enterprise network infrastructure.
• Strong understanding of network architecture, routing, switching, and firewall management.
• Experience with enterprise wireless infrastructure deployment and optimization.
• Hands-on experience with VPN, SD-WAN, and network security technologies.
• Familiarity with network monitoring and logging tools such as PRTG, Zabbix, or Grafana.
• Experience conducting network audits and supporting compliance requirements.
• Proven experience handling office network setups, relocations, or full infrastructure refresh projects.
• Professional networking certifications such as CCNA, CCNP, MTCNA, or MTCRE are a plus.