Top Network Engineer Jobs in Singapore

Designs and validates data center network architectures for AI infrastructure, including BGP, EVPN/VXLAN, RoCEv2, QoS, and RDMA fabrics. Builds qualification labs, tests switches, NICs, and network operating systems, investigates performance and interoperability issues, troubleshoots congestion and packet loss, and develops documented standards, automation, and product feedback for customer deployments.

Provides site-based support for baggage handling system networks, monitoring switches, firewalls, redundant rings, servers, PLCs, and airport interfaces. Diagnoses incidents using logs, CLI, Wireshark, and NMAP; executes approved changes; applies patches; maintains network segregation, documentation, and asset records. Supports operations, hardware rollouts, migrations, testing, commissioning, vulnerability remediation, and root cause analysis. Requires shift, standby, after-hours, airside, and emergency site travel support.

Design and implement scalable cloud network infrastructure across APAC data centers. Lead architecture reviews, support network site development, automate testing and telemetry through NetDevOps practices, analyze incidents and traffic trends, and participate in a 24/7 on-call rotation. The role emphasizes network resilience, security, operational excellence, cross-functional collaboration, and continuous improvement.

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.

Design and build deployable prototypes for software-defined networking services, including network automation, virtual network services, and network telemetry platforms. Explore and document networking technologies, then present findings and systems to management and users. Work under mentor guidance to deliver solutions meeting user requirements. Requires Python proficiency, network automation knowledge, and familiarity with cloud networking, NFV, routing protocols, and micro-segmentation.

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.

Supports and maintains enterprise LAN, WAN, wireless, VPN, and data center networks. Configures Cisco routers, switches, access points, and security hardware; monitors performance; troubleshoots network issues; supports installations, upgrades, vendors, and complex technical projects. Evaluates networking technologies, maintains documentation, performs operational support, and provides 24/7 availability coverage while improving network reliability and performance.

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.

Designs, builds, operates, and evolves secure, resilient enterprise WAN services. Responsibilities include routing and traffic engineering, network performance monitoring, fault isolation, multi-vendor troubleshooting, and infrastructure automation using Network as Code practices. The role also explores AI-enabled network operations while maintaining human oversight, protects operational data, and collaborates with technical, business, and service-provider stakeholders.

Manage and troubleshoot production networks, internet peering, traffic capacity, routing, and optical/IP network components. Resolve incidents involving routing, protocols, CRC errors, capacity, hardware, and ISP connectivity. Coordinate with vendors, ISPs, colocation facilities, and internal teams; perform Layer 1 troubleshooting, root cause analysis, and network outage resolution. Participate in global 24/7 support rotations, including occasional weekend work.

Manages and troubleshoots production networks, internet peering, traffic, optical systems, and IP network components. Responsibilities include resolving routing, protocol, capacity, CRC, and hardware issues; coordinating with ISPs, vendors, colocation facilities, and technical assistance centers; conducting root cause analysis; and supporting global 24/7 operations, including occasional weekend work.

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.

Manage and troubleshoot production networks, internet peering, traffic, vendor hardware, ISP issues, and optical and IP network components. Responsibilities include monitoring capacity, resolving routing and protocol incidents, performing Layer 1 troubleshooting, coordinating with vendors and service providers, preparing root cause analyses, and providing 24/7 global support.

Monitor and operate enterprise network services across LAN, WAN, wireless, data center, remote-access, and cloud-connected environments. Diagnose incidents, execute approved changes, maintain configurations and documentation, support DNS, DHCP, IPAM, and authentication services, and perform capacity planning. The role also involves vendor coordination, automation scripting, disaster recovery testing, resilience exercises, and rostered after-hours support.

Administer and improve enterprise network security services, including firewalls, VPNs, IPS/IDS, segmentation, cloud security, vulnerability remediation, and incident response. Implement governed security changes, monitor platform performance and resilience, investigate security events, maintain operational documentation, support compliance activities, and develop automation. Collaborate with network, cloud, systems, security, vendors, carriers, and client stakeholders in a managed services environment.

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.

Designs, implements, maintains, and troubleshoots data center networks in a regulated banking environment. Handles complex incidents, security incidents, escalations, root-cause analysis, change implementation, vendor coordination, and production problem resolution. Works with infrastructure and application teams, supports 24/7 standby and extended hours, proactively identifies network risks, and guides junior engineers. Requires advanced expertise in routing, switching, network protocols, automation, and security.

Under the guidance of a mentor, the intern will design, build, operate, and optimize software-defined network services and virtualized infrastructure. Responsibilities include developing network automation scripts, improving provisioning and deprovisioning, enhancing monitoring and alerting systems, evaluating networking technologies, applying SRE practices, troubleshooting performance issues, documenting technical findings, and presenting prototypes or proof-of-concepts to stakeholders.

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.

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.