Network L2 Engineer – Enterprise LAN/WAN & VPN

Tata Consultancy Services Limited

Jakarta Pusat

On-site

IDR 240,000,000 - 420,000,000

Full time

1 hour ago

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Job summary

Tata Consultancy Services Limited is seeking a skilled Network Engineer to administer enterprise LAN/WAN across data centres and offices in Jakarta. You will configure routers, switches, firewalls, VPNs and monitor network performance to ensure high availability.

Responsibilities include incident resolution, change management, capacity planning, and collaboration with security and cloud teams. Experience with SNMP, NetFlow, and network monitoring tools is preferred.

Qualifications

Must have enterprise LAN/WAN administration across data centres and offices, including VLAN, trunking, STP, routing, QoS, NAT and IP addressing.
Cisco switch, router and wireless operations across enterprise office and data-centre networks.
Firewall, site-to-site and remote-access VPN, ACL and network security policy administration.
Network monitoring and troubleshooting using SNMP, NetFlow, Zabbix/Nagios/Grafana and packet analysis tools.
Incident, change and problem management through Symphony Summit with SLA-driven escalation and RCA.

Responsibilities

Administer LAN, WAN, wireless and perimeter network infrastructure across data centres, main offices and regional sites.
Configure and troubleshoot routers, switches, WLC/APs, VLANs, routing protocols, firewall policies and VPN connectivity.
Monitor availability, latency, utilisation and packet loss; tune alerts and maintain capacity baselines.
Perform L2 incident resolution, implement approved changes and produce root-cause analyses within SLA.
Maintain network diagrams, IP plans, configuration backups, standards, SOPs and CMDB records.
Coordinate with carriers, managed network providers, cloud teams, security teams and on-site engineers for complex restoration activities.