Senior Network Engineer

You will play a critical role in designing and maintaining the corporate network infrastructure that supports Shopee's global operations. Your work will involve configuring core switching, routing, and security systems to ensure seamless connectivity across all sites. You will also lead the deployment of enterprise wireless solutions and support the physical infrastructure of server rooms and data centers. This position requires a proactive approach to incident management and root cause analysis to maintain high availability and security standards.

In this role, you will collaborate closely with regional teams and external vendors to implement technical solutions that meet business requirements. You will be responsible for reviewing technical specifications and managing the lifecycle of network projects. Additionally, you will participate in on-call rotations to provide immediate support for critical incidents, ensuring business continuity in a fast-paced environment.

• Design, configure, and maintain core, distribution, and access switching infrastructure across all company sites
• Support and troubleshoot connectivity between SD-WAN gateways and local routing to ensure stable site-to-site communication
• Manage and optimize routing protocols and VLAN segmentation for multi-site environments
• Administer firewalls and implement network security controls to protect enterprise assets
• Design, deploy, and troubleshoot enterprise wireless infrastructure, including coverage planning and RF optimization for warehouses and offices
• Contribute to the design of server rooms, including rack layouts, UPS systems, and fiber/LAN cabling standards
• Support CCTV network design and integration
• Perform incident troubleshooting, root cause analysis, and recovery planning for network issues
• Review vendor quotations, technical specifications, and implementation plans for network infrastructure projects
• Collaborate with vendors, regional teams, and business stakeholders on project implementation and technical governance
• Support monitoring and operational visibility using Zabbix, Grafana, and Elastic to proactively detect and resolve issues
• Maintain comprehensive documentation for network architecture, configurations, and standard operating procedures
• Participate in on-call rotation and provide escalation support for critical incidents

• Bachelor's degree in Computer Science, Information Technology, Telecommunications, or a related field
• Active CCNP (Enterprise, Security, or Routing & Switching) or equivalent vendor certification (e.g., PCNSE, NSE 4-7, HCIP)
• 5+ years of experience in enterprise network engineering with hands-on expertise in switching, routing, firewalls, and wireless technologies
• Proven experience configuring and managing multi-vendor network and security platforms, including Cisco, Huawei, Meraki, Palo Alto, or Fortinet
• Strong knowledge of VLAN design, network segmentation strategies, and network security best practices
• Experience with enterprise wireless platforms, including WLC and AP deployment, RF planning, and heatmap design
• Practical exposure to server room, MDF, and IDF infrastructure design, including structured cabling standards, racking layouts, UPS sizing, and cooling requirements
• Prior experience supporting multi-site environments or networks in warehouse, logistics, or high-density retail environments is highly preferred
• Working knowledge of monitoring tools such as Zabbix, Grafana, or Elastic
• Ability to define alerting thresholds, escalation rules, standby procedures, and on-call runbooks for critical services
• Strong troubleshooting and root cause analysis skills for complex network issues
• Effective communication skills for coordinating with vendors, regional teams, and business stakeholders
• Ability to work under pressure with flexible working hours
• Ability to work onsite with occasional travel required
• Must have a valid driving license; owning a car is preferred