Top Network Engineer Jobs in Singapore

Owns the deployment, connectivity, troubleshooting, and production operations of APAC data center, colocation, backbone, and transport networks. Responsibilities include building OOB and leaf-spine fabrics, configuring routing and switching, supporting regional connectivity, coordinating global operational handoffs, participating in on-call rotations, documenting procedures, and mentoring incoming engineers. The role requires high autonomy across greenfield sites and collaboration with teams in Europe and the United States.

Leads network technology and topology strategy across LAN, WAN, data center, and cloud environments. Defines requirements for network planning tools, partners with software engineering, drives automation, establishes performance metrics, analyzes capacity and bottlenecks, and leads optimization initiatives. Builds business cases, supports audit and compliance readiness, and coordinates with regional carriers and service providers to improve network reliability, scalability, and performance.

Designs, configures, maintains, and troubleshoots enterprise network infrastructure, including routers, switches, firewalls, load balancers, and wireless systems. Monitors performance, resolves incidents, implements security policies, maintains documentation, and supports capacity planning, upgrades, and migrations. Collaborates with IT teams to integrate banking systems, provides internal technical guidance, participates in on-call support, and maintains compliance with network security standards.

Monitor and maintain Mastercard’s global network infrastructure in a Network Operations Center. Lead incident response, troubleshoot complex network issues, perform system health checks and maintenance, optimize performance, document configurations and incidents, and coordinate with IT teams. The role also includes acceptance testing, operational training, compliance, and mentoring junior engineers in a shift-based environment that includes nights, weekends, and holidays.

Provides first-line support for enterprise network infrastructure by monitoring network health, troubleshooting LAN, WAN, VPN, wireless, and Internet connectivity issues, managing incidents and service requests, and escalating complex problems. Supports network installations, preventive maintenance, approved changes, documentation, security compliance, and customer communications. The role operates in managed services or NOC environments, may involve 24/7 shifts and on-call support, and requires familiarity with networking fundamentals, monitoring systems, ITSM tools, and major network vendors.

Lead the capture, design, tendering, and governance of resilient network connectivity solutions across Asia-Pacific. Translate business needs into high- and low-level designs, evaluate telecom vendors, manage supplier performance, embed resilience and risk controls, and support regional network strategy. The role also mentors engineers, drives technology adoption, and uses authorized AI tools for infrastructure analysis, documentation, automation, and traceable remediation.

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.

Manage the full lifecycle of network and endpoint infrastructure, including design, procurement, deployment, operations, maintenance, security, compliance, and retirement. Lead infrastructure projects, vendor coordination, incident resolution, endpoint provisioning, patching, monitoring, and documentation. Provide technical guidance to support engineers, collaborate with stakeholders, maintain government ICT compliance, and deliver projects within scope, schedule, and budget.

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.

Supports and troubleshoots production networks, internet peering, traffic capacity, routing, protocols, optical transport, and network hardware. Works with ISPs, vendors, colocation facilities, and global teams to resolve incidents, investigate outages, perform Layer 1 and IP troubleshooting, and prepare root cause analyses. Participates in 24/7 support rotations, including occasional weekend work, and helps maintain multi-vendor network environments.

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.

Leads cross-functional air network projects across Asia-Pacific, advising on customer linehaul requests and designing cost-effective routing, capacity, and schedule solutions. Coordinates with airline partners, vendors, operations, procurement, and planning teams to implement network solutions. Develops automation tools and planning-system improvements while tracking performance, supporting route launches, and managing operational execution.