Network Engineer

Nanyang Tech Pte Ltd; Singapore; On-site; SGD 67,000 - 100,000; Full time

Job summary

Nanyang Tech Pte Ltd in Singapore is seeking a Network Engineer to support enterprise LAN/WAN, data center, and wireless networks across APAC sites. You will configure and deploy network equipment, monitor performance, and maintain diagrams and documentation.

The role requires 4–5 years of experience, CCNA-level knowledge, and strong English communication. The team follows a global on-call rotation and collaborates with carriers, vendors, and field resources.

Qualifications

• Approximately 4 to 5 years of experience supporting enterprise network infrastructure and operations.
• CCNA-level knowledge of routing, switching, and TCP/IP networking fundamentals.
• Layer 2 and Layer 3 networking, VLANs, 802.1Q trunking, port channels, Spanning Tree, EIGRP, and basic BGP concepts.
• Experience supporting enterprise campus, WAN, data center, or wireless network environments.
• Familiarity with network monitoring, incident management, and change management processes.
• Ability to create and maintain clear technical documentation, diagrams, implementation procedures, and troubleshooting notes.
• Ability to organize assigned work, manage multiple priorities, and escalation issues appropriately.
• Strong collaboration, communication, problem-solving, and organizational skills.
• Fluent written and verbal English communication skills.

Responsibilities

• Support the operation and maintenance of enterprise LAN, WAN, wireless, data center, cloud-connected, and SD-WAN environments.
• Provide hands-on network support for APAC sites, infrastructure projects, and business initiatives.
• Configure and deploy network equipment using approved designs, standards, and implementation procedures.
• Maintain and tune network monitoring systems, including device onboarding, alert thresholds, dashboards, and notification rules, to improve visibility and reduce unnecessary alerts.
• Perform network maintenance, software upgrades, hardware replacements, and technology lifecycle activities.
• Troubleshoot connectivity, routing, switching, wireless, and network performance issues.
• Prepare implementation plans, validation steps, rollback procedures, and change records with guidance from senior engineers when needed.
• Create and maintain network diagrams, device configurations, inventories, operational procedures, and troubleshooting documentation.
• Coordinate activities with telecommunications carriers, equipment vendors, structured cabling contractors, and on-site support resources.
• Participate in a global on-call rotation and follow-the-sun operational support model.
• Escalate complex technical issues and communicate status clearly.

Skills

CCNA knowledge

Routing & Switching

TCP/IP fundamentals

Layer 2/3 networking

VLANs

Spanning Tree

EIGRP

BGP basics

Network monitoring

Technical documentation

English communication

Education

Cisco CCNA certification

Bachelor's degree in a related field

Tools

Aruba wireless

SD-WAN (EdgeConnect)

Aruba ClearPass

AWS Networking basics

F5 load balancers

Network diagrams tools

Job description

Key Responsibilities

• Support the operation and maintenance of enterprise LAN, WAN, wireless, data center, cloud-connected, and SD-WAN environments.
• Provide hands-on network support for APAC sites, infrastructure projects, and business initiatives.
• Configure and deploy network equipment using approved designs, standards, and implementation procedures.
• Maintain and tune network monitoring systems, including device onboarding, alert thresholds, dashboards, and notification rules, to improve visibility and reduce unnecessary alerts.
• Perform network maintenance, software upgrades, hardware replacements, and technology lifecycle activities.
• Troubleshoot connectivity, routing, switching, wireless, and network performance issues.
• Prepare implementation plans, validation steps, rollback procedures, and change records with guidance from senior engineers when needed.
• Create and maintain network diagrams, device configurations, inventories, operational procedures, and troubleshooting documentation.
• Coordinate activities with telecommunications carriers, equipment vendors, structured cabling contractors, and on-site support resources.
• Participate in a global on-call rotation and follow-the-sun operational support model.
• Escalate complex technical issues and communicate status clearly.

Required Qualifications

• Approximately 4 to 5 years of experience supporting enterprise network infrastructure and operations.
• CCNA-level knowledge of routing, switching, and TCP/IP networking fundamentals.
• Working knowledge of Layer 2 and Layer 3 networking, VLANs, 802.1Q trunking, port channels, Spanning Tree, EIGRP, and basic BGP concepts.
• Experience supporting enterprise campus, WAN, data center, or wireless network environments.
• Familiarity with network monitoring, incident management, and change management processes.
• Ability to create and maintain clear technical documentation, diagrams, implementation procedures, and troubleshooting notes.
• Ability to organize assigned work, manage multiple priorities, and escalation issues appropriately.
• Strong collaboration, communication, problem-solving, and organizational skills.
• Fluent written and verbal English communication skills.

Preferred Qualifications

• Experience using AI-assisted tools for network troubleshooting, log and configuration analysis, documentation, automation, or other network engineering tasks.
• Experience supporting Aruba wireless technologies.
• Familiarity with SD-WAN technologies, including HPE Aruba Networking EdgeConnect, formerly Silver Peak.
• Familiarity with Aruba ClearPass or other network access control technologies.
i>Exposure to AWS networking, cloud routing, Direct Connect, Transit Gateway, or hybrid cloud connectivity.
• Familiarity with F5 load-balancing technologies.
• Experience supporting network segmentation or access-control initiatives.
• Experience supporting manufacturing, laboratory, research, or other business-critical environments.

Education and Certifications

• Cisco CCNA certification or equivalent knowledge and experience.
• Additional Cisco, Aruba, AWS, or other relevant technical certifications are beneficial.