Network Engineer (North Area, 1-yr contract)

Nanyang Tech Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Nanyang Tech Pte Ltd in Singapore is seeking an experienced network engineer to support and maintain enterprise LAN, WAN, data center, and wireless environments across APAC. You will implement designs, monitor systems, and drive reliability in a global on‑call setup.

The ideal candidate has 4–5 years of hands-on networking experience, CCNA-level knowledge, and strong documentation and collaboration skills to work with carriers, vendors, and on‑site teams.

Qualifications

• Approximately 4 to 5 years of enterprise network infrastructure experience.
• CCNA-level knowledge of routing, switching, and TCP/IP networking fundamentals.
• Experience with Layer 2/3 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 elevate issues appropriately.

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

TCP/IP fundamentals

Layer 2/3 networking

WAN/LAN/Wireless experience

Documentation skills

English communication

On-call support

Education

Cisco CCNA certification

Aruba/AWS certifications beneficial

Tools

Network monitoring 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 elevate 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.
• 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.