Identify gaps and deficiencies in the current network architecture and operations, propose improvement plans, and drive implementation
Troubleshoot and resolve complex network issues, including RCA (Root Cause Analysis), performance tuning, and incident management
Manage network infrastructure including routers, switches, firewalls, and wireless systems (configuration, maintenance, and security hardening)
Design, implement, and maintain data center and workplace network environments
Monitor network performance, identify bottlenecks and SPOF, and continuously optimize network quality and reliability
Establish and maintain network operation standards, documentation, and operational processes
Collaborate with cross-functional teams to ensure smooth project delivery and adherence to IT governance standards
Develop and maintain automation scripts, configuration templates, and backup strategies
Manage network monitoring, alerting, and reporting using tools such as Zabbix, Grafana, and ELK
Support capacity planning, scalability, and lifecycle management (Day 0, Day 1, Day 2 operations)
Ensure network security compliance and safe transmission of internal data

Minimum 5 years of experience in network engineering, implementation, and operations
Strong hands-on experience in enterprise and/or data center network environments
Experience in global enterprise, large-scale environments, or consulting firms (e.g., Big4) is an advantage
Proven ability to troubleshoot complex network issues and deliver end-to-end solutions
Experience in network design, planning, and project implementation is preferred
Strong knowledge of IP routing and switching (OSPF, BGP, MPLS VPN)
Experience with SD-WAN technologies (e.g., Velo SD-WAN)
Hands-on experience with Cisco, H3C, Aruba, and other mainstream vendors
Familiar with routers, switches, firewalls, and wireless solutions
Experience with Fortinet firewalls, WAF, NAC (ISE/FAC), and network security controls
Understanding of network security best practices and monitoring
Experience with monitoring tools (Zabbix, Grafana, ELK)

Senior Network Engineer

Key skills