Top Network Engineer Jobs in Singapore

Manage enterprise network operations across data centers, including configuration, troubleshooting, vulnerability reviews, patching, firmware upgrades, VPN services, routing and switching, and external connectivity. Prepare implementation scripts, support incidents and deployments, coordinate with vendors and partner teams, and maintain network stability, security, and performance. Basic scripting and network automation experience is also required.

Provide advanced technical support and advisory to enterprise customers on network security and performance (OSI layers 3,4,7). Troubleshoot DDoS, BGP, GRE, SSL/TLS, firewall/WAF, and hosting issues; perform packet analysis; create docs and KB articles; collaborate with engineering; and use automation and generative AI to accelerate incident response.

Designs, supports, monitors, troubleshoots, and optimizes high-performance, low-latency network infrastructure across co-location, data center, and office environments. Responsibilities include routing, switching, multicast, security, circuit migrations, market connectivity testing, infrastructure moves, vendor coordination, documentation, automation, and on-call network maintenance.

Design, build, secure, and operate highly available data centre networks, including leaf-spine fabrics, routing, switching, firewalls, load balancers, segmentation, and inter-data-centre connectivity. Troubleshoot mission-critical network issues, improve reliability, and manage capacity and performance. Develop Network-as-Code automation for provisioning, validation, testing, compliance, and drift detection. Apply telemetry, AI, and AIOps techniques while collaborating with cloud, compute, storage, cybersecurity, and application teams.

The role involves designing, implementing, managing cloud network infrastructures, configuring network devices, performing maintenance, and participating in procurement and audit processes.

The System & Network Engineer will manage virtualization platforms, administer Windows Server environments, troubleshoot networks, perform upgrades, and support disaster recovery, while collaborating with internal teams and vendors.

Design, implement, and optimize global enterprise wired, wireless, and VPN networks. Own branch connectivity, network automation, monitoring, incident resolution, root cause analysis, equipment evaluation, and telecom provider escalations. Drive scalable, secure, highly available network architecture and automation-first operations across regions.

Manage and troubleshoot Cisco and Juniper devices, implement security measures, assess network security, and support user provisioning for network access.

Build and design proxy infrastructure from scratch, implement rotation systems, manage IP reputation, optimize for performance, and develop reverse proxy systems for various proxy types.

Designs, implements, supports, and optimizes global network infrastructure. Responsibilities include monitoring network performance, troubleshooting routing and firewall issues, managing network products, designing new site installations, producing operational reports, supporting SLA compliance, and contributing as a technical resource or project manager on global technology deployments. The role also provides architectural guidance, supports testing and production rollouts, and requires occasional off-hours support across multiple time zones.

Network Engineering Interns collaborate with experienced engineers to maintain and improve multi-vendor network infrastructure supporting trading and internet connectivity. Responsibilities include debugging routing protocols, supporting site expansions and colocation builds, provisioning market data connections, automating support tasks, monitoring networks, resolving production issues, conducting root-cause analyses, and implementing long-term fixes.

Operate and optimize large-scale InfiniBand and RoCEv2 GPU-cluster networks. Responsibilities include fabric design, subnet management, QoS, performance tuning, firmware lifecycle, fault diagnosis, NCCL optimization, telemetry integration, predictive-maintenance modeling, and runbook automation. The role also coordinates escalations with Nvidia/Mellanox and supports AIOps workflows for network health and remediation.

Operate and monitor large-scale datacenter networks for AI workloads, lead incident response, troubleshoot GPU-cluster networking (jitter, NCCL throughput), manage tickets and change control, produce reports, and coordinate with R&D and customers.

Owns north-south network infrastructure for a multi-site AI GPU cloud, including EVPN-VXLAN fabrics, DCI overlays, BGP routing, WAN, internet peering, firewalls, and tenant networks. Builds infrastructure-as-code automation using Ansible, Terraform, and Nautobot/NetBox; monitors network health, capacity, and SLAs; and develops policy-driven workflows, runbooks, and automated remediation for AIOps.

Build and maintain a NetDevOps automation platform: implement device drivers and APIs for multi-vendor equipment, deploy monitoring/observability with Prometheus/Grafana and streaming telemetry, develop IPAM APIs, integrate DCIM/CMDB, and create automated config deployment, change management, and backup/version control workflows.

Build out and expand Cloudflare's global network by provisioning and maintaining datacenter hardware and network devices, performing remote server administration via IPMI/BMC, configuring network equipment, managing contractors, automating tasks with Python/Changie and agentic AI, creating SOPs/runbooks, and coordinating cross-connects and deployments.

Design, specify, cost and implement detailed network and infrastructure solutions for rail signalling. Interface with customers, vendors and system designers, lead testing and commissioning, track design progress, produce engineering deliverables, and perform network administration, troubleshooting, security implementation and automation scripting.

The Network Engineer will manage network security infrastructure, improve observability, collaborate with teams, and enhance network processes. Requires strong communication and analytical skills.

As a Network Engineer, you will manage and optimize network operations, ensuring high performance, security policy management, and troubleshooting for both IT and OT environments.

Provide L2 support for enterprise LAN/WAN/SD-WAN, troubleshoot L2/L3 protocols and firewalls, manage NAC and Wi‑Fi infrastructure, perform cloud connectivity diagnostics, monitor networks with tools like SolarWinds, execute ITIL change processes, maintain documentation, and assist in upgrades/migrations and modernization projects (Cisco Nexus, ACI).

Provide L2 support for enterprise LAN/WAN/SD-WAN, troubleshoot routing/switching and security issues, manage NAC and Wi‑Fi infrastructure, participate in firewall and network upgrades, follow ITIL change/incident processes, and maintain monitoring, documentation, and escalation to L3 as needed.

Maintain and enhance low-latency network infrastructure for trading systems, support traders, drive connectivity and performance improvements, automate orchestration tasks, provide multi-tier support, and engage stakeholders to ensure reliability and contingency readiness.

The Network Engineer will manage network operations, troubleshoot issues, ensure compliance with SOPs, and oversee shift handovers and escalations. They will support network monitoring and execute service requests.

The Network Engineer is responsible for managing network support operations, monitoring network issues, and ensuring timely completion of service requests while coordinating with service providers.

The Network Engineer will manage network operations, support desk, handle shift issues, ensure compliance with SOPs, and liaise with service providers.