Top Network Engineer Jobs in Singapore

Lead complex network initiatives, design and maintain multi-site, multi-vendor data center networks, troubleshoot application impacts, manage SLOs and disaster recovery, mentor junior staff, and support 24x7 global operations including incident response and automation for reliability and scale.

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.

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.

Supports enterprise Secure Service Edge platforms, secure Internet access, ZTNA, endpoint connectivity, security policies, application onboarding, monitoring, troubleshooting, incident resolution, and vendor escalation. The role integrates SSE with identity, SIEM, CASB, and other security platforms while analyzing logs and packet captures, optimizing cloud costs, assessing security gaps, and improving Zscaler configurations across hybrid environments.

Design, manage, secure, and optimize Lumilens’s global multi-site LAN, WAN, SD-WAN, VPN, cloud, wireless, and enterprise network infrastructure across India, Thailand, Singapore, and the US. Responsibilities include firewall and network device administration, SASE and Zero Trust deployments, Azure and Microsoft 365 integration, identity-aware access, monitoring, automation, vendor evaluation, documentation, and collaboration with distributed teams.

Lead the design, deployment, migration, operation, and troubleshooting of enterprise DMZ switching and routing environments. Maintain Cisco datacenter networks, upgrade network devices, automate provisioning and operational tasks with scripting and infrastructure-as-code tools, and support internet-facing services. Partner with senior technical teams and vendors to resolve issues, while applying AI-assisted practices with strong validation, security, resiliency, and auditability controls.

Design, implement, support, and improve large-scale enterprise, data center, WAN, wireless, and hybrid cloud networks. Responsibilities include routing and switching, Azure networking and security, high availability, disaster recovery, troubleshooting, incident management, architecture governance, technical assurance, and consultancy across concurrent initiatives.

Support and improve high-performance network infrastructure across global colocation facilities for electronic trading operations. Responsibilities include configuring and troubleshooting wired and wireless networks, maintaining Arista, Cisco, and Juniper hardware, contributing to Python and Bash automation with Ansible and Puppet, implementing monitoring, documenting systems, and participating in on-call rotations to maintain 24/7 availability.

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.

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.

Technical lead for OT network and cybersecurity across the ICSS/PMS 800xA lifecycle. Design redundant OT network architectures, develop IEC 62443-aligned cybersecurity specifications, deploy IDS/monitoring (Claroty/Nozomi), produce security deliverables, ensure maritime cyber resilience compliance, and participate in FAT/SAT and commissioning.

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.

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.