Senior Network Engineer: ACI & SD-WAN Expert

Recruit Express Pte Ltd; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Recruit Express Pte Ltd is seeking an experienced Network Engineer to provide Level 3 technical support for large-scale enterprise, data center, and WAN environments in Singapore. You will design, optimize, and troubleshoot Cisco ACI fabric infrastructures and manage Cisco SD-WAN deployments, ensuring high availability and performance.

The role requires strong routing protocols (BGP/OSPF/EIGRP/MPLS), in-depth TCP/IP knowledge, and experience with hybrid cloud topologies, security integrations,

Qualifications

• 5+ years of hands-on network engineering experience in enterprise-scale or data center environments.
• Direct expertise in Cisco ACI architecture, Multi-Pod and Multi-Site deployments.
• Solid SD-WAN (Viptela) administration experience.
• Advanced knowledge of TCP/IP, BGP, OSPF, EIGRP, MPLS, VRF, QoS, and network security.
• Experience with hybrid cloud topologies, data centers, firewalls, load balancers, and proxies.
• Proficiency with network monitoring, packet analysis, and troubleshooting tools.
• Strong troubleshooting and stakeholder management skills.

Responsibilities

• Provide expert L3 technical support and management for enterprise-scale data center and WAN environments.
• Design, implement, optimize, and troubleshoot Cisco ACI fabric infrastructures.
• Manage and scale Cisco SD-WAN deployments and daily network operations.
• Configure and troubleshoot routing and switching protocols (BGP/OSPF/EIGRP/MPLS).
• Perform root cause analysis and participate in major incident management.
• Execute critical network changes and complex migrations.
• Collaborate with security, cloud, and infrastructure teams to maximise availability and cloud connectivity.
• Create and maintain technical documentation, topology diagrams, and SOPs.
• Participate in on-call readiness.

Skills

Cisco ACI

SD-WAN (Viptela)

BGP

OSPF

EIGRP

MPLS

TCP/IP

QoS

Troubleshooting

Incident management

On-call support

Job description

Recruit Express Pte Ltd is seeking an experienced Network Engineer to provide Level 3 technical support for large-scale enterprise, data center, and WAN environments in Singapore. You will design, optimize, and troubleshoot Cisco ACI fabric infrastructures and manage Cisco SD-WAN deployments, ensuring high availability and performance.

The role requires strong routing protocols (BGP/OSPF/EIGRP/MPLS), in-depth TCP/IP knowledge, and experience with hybrid cloud topologies, security integrations,