Network Administrator

PT Trans Indonesia Superkoridor (Supercorridor); Jakarta Utara; On-site; IDR 96,000,000 - 144,000,000; Full time

Job summary

PT Trans Indonesia Superkoridor (Supercorridor) is seeking a Network Administrator/Engineer to manage and optimize our LAN/WAN, VPN, and network devices. The role involves configuring routers, switches, firewalls, and access points, while ensuring RADIUS services are secure and well-integrated.

The candidate will monitor performance, resolve incidents per SLA, and maintain comprehensive network documentation.

Qualifications

• Minimum D3/S1 degree in IT or related field.
• 2–3 years of experience as Network Administrator/Engineer.
• Experience managing Server RADIUS.
• Understanding of AAA concepts (Authentication, Authorization, Accounting).
• Proficient in TCP/IP, VLAN, Routing, Switching, NAT, DHCP, DNS, VPN, and Firewall.

Responsibilities

• Manage, monitor, and maintain LAN, WAN, Internet, VPN, and network devices.
• Configure and troubleshoot Router, Switch, Firewall, AP, and other devices.
• Manage and configure Server RADIUS for AAA integration.
• Monitor network performance and handle incidents per SLA.
• Create and update documentation of topology, addresses, and device configs.
• Perform preventive maintenance and backups of configurations.
• Willing to work shifts/on-call as required.

Skills

TCP/IP

VLAN

Routing

Switching

NAT

DHCP

DNS

VPN

Firewall

Troubleshooting

Network security

SLA monitoring

Education

D3/S1 degree

Tools

MikroTik

Cisco

Huawei

Fortinet

Linux

Job description

• Manage, monitor, and maintain LAN, WAN, Internet, VPN, and network device infrastructure
• Configure and troubleshoot Router, Switch, Firewall, Access Point, and other network devices
• Manage and configure Server RADIUS for Authentication, Authorization, and Accounting (AAA)
• Manage user/account, access policy, authentication profile, and RADIUS integration with network devices
• Monitor and troubleshoot RADIUS authentication and analyze RADIUS logs
• Ensure availability, reliability, and security of Server RADIUS and network infrastructure
• Monitor network performance and handle network incidents according to SLA
• Perform root cause analysis and corrective action for network disruptions
• Create and update documentation of network topology, IP address, device configuration, and Server RADIUS
• Perform preventive maintenance, backup configuration, and improvements to network infrastructure
• Minimum D3/S1 degree in Information Technology, Computer Engineering, Information Systems, Telecommunications Engineering, or related field
• Minimum 2-3 years experience as Network Administrator/Network Engineer
• Experience managing Server RADIUS
• Understanding of AAA (Authentication, Authorization, Accounting) concepts
• Proficiency in TCP/IP, VLAN, Routing, Switching, NAT, DHCP, DNS, VPN, and Firewall
• Experience with MikroTik/Cisco/Huawei/Fortinet or similar devices
• Linux Server knowledge is a plus
• Understanding of Network Monitoring and Network Security
• Strong troubleshooting and problem-solving skills
• Willing to work shifts/on-call as required by operational needs