#SGunited Jobs Network Engineer

The Network Engineer is responsible for managing, implementing, and supporting enterprise-level network infrastructure across on-premise and hybrid environments. The role ensures network security, performance, availability, and compliance with customer operational standards, security policies, and regulatory requirements.

The Network Engineer provides technical support for enterprise routing, switching, SD-WAN, and security platforms while maintaining network monitoring, automation, and operational stability across the enterprise network environment.

Key Responsibilities

- Manage and support enterprise network infrastructure including routing, switching, SD-WAN, firewalls, VPN gateways, load balancers, and network segmentation technologies across multi-vendor platforms.

- Operate and maintain network platforms including Cisco ACI data centre fabric, Cisco SD-WAN environments, Cisco Software Defined Access (SDA) campus networks, and Cisco Secure Network Analytics (SNA) solutions.

- Manage enterprise firewall and network security platforms including Palo Alto and Checkpoint firewalls, ensuring secure connectivity, traffic inspection, and policy enforcement.

- Configure and maintain secure network connectivity using IPSec VPN, SSL/TLS encryption, and Network authentication protocols.

- Monitor network health and performance using enterprise monitoring and analytics platforms, ensuring proactive identification of network faults, capacity bottlenecks, and performance degradation.

- Configure and maintain network monitoring, logging, and analytics tools, integrating telemetry and network flow analysis to support operational visibility and troubleshooting.

- Support implementation and operation of Network Access Control (NAC), IP address management systems, and network segmentation frameworks to ensure secure and compliant network access.

- Provide technical support for SD-WAN deployment, configuration, onboarding of new sites, and lifecycle maintenance activities across the enterprise WAN environment.

- Support security operations by integrating network infrastructure with intrusion detection/prevention systems (IDS/IPS), application gateways, and threat monitoring platforms.

- Troubleshoot complex network issues across data centre, campus, and WAN environments, ensuring timely incident resolution in accordance with service level requirements.

- Collaborate with infrastructure, security, and operations teams to support incident response, system upgrades, infrastructure changes, and service improvements.

- Develop automation and operational scripts using tools such as Python, Ansible, or network orchestration frameworks to improve operational efficiency and configuration consistency.

- Maintain network documentation, runbooks, and configuration baselines while supporting internal and external audit requirements.
- Strong technical knowledge of routing and switching protocols, SD-WAN technologies, network segmentation, and enterprise firewall architectures.

- Hands-on experience with enterprise networking platforms including:

- Cisco ACI

- Cisco SD-WAN

- Cisco Software Defined Access (SDA)

- Cisco Secure Network Analytics (SNA)

- Palo Alto Firewalls

- Checkpoint Firewalls

- Understanding of network security principles including IPSec, SSL/TLS, NAC, network segmentation, and zero-trust architecture frameworks.