Network Engineer
nanyang tech pte. ltd.- Posted 2 hours ago
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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 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.
Required Qualifications
. Approximately 3 to 4 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 escalate 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.
Education and Certifications
. Cisco CCNA certification or equivalent knowledge and experience.
. Additional Cisco, Aruba, AWS, or other relevant technical certifications are beneficial.
More Info
Key Skills
network segmentation
TCP IP networking fundamentals
802.1Q trunking
Aruba wireless technologies
basic BGP concepts
F5 load-balancing technologies
Transit Gateway
Direct Connect
CCNA-level knowledge of routing
cloud routing
AWS networking
AI-assisted tools for network troubleshooting
Aruba ClearPass
Layer 2 and Layer 3 networking
SD-WAN technologies
HPE Aruba Networking EdgeConnect
port channels
access-control initiatives

