Network Engineer

APAR TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

APAR TECHNOLOGIES PTE. LTD. in Singapore is seeking a hands-on Network Engineer to support enterprise LAN/WAN, data center, wireless, and SD-WAN environments across the APAC region.

You will implement, maintain, troubleshoot, and document network infrastructure while collaborating with global teams and stakeholders across time zones. The role requires coordinating with carriers and vendors, producing clear documentation, and participating in a follow-the-sun on-call rotation to ensure

Qualifications

• 4–5 years of experience in enterprise network operations.
• CCNA-level routing, switching, and TCP/IP fundamentals.
• Experience with campus/WAN/data center networks.
• Ability to document diagrams and procedures.

Responsibilities

• Support operation and maintenance of LAN/WAN, data center, SD-WAN and cloud-connected environments.
• Configure and deploy network equipment using approved designs and procedures.
• Maintain network monitoring systems, dashboards, and alert rules.
• Perform upgrades, hardware replacements, and lifecycle activities.
• Troubleshoot connectivity, routing, wireless, and performance issues.
• Create implementation plans, validation steps, rollback procedures.
• Maintain network diagrams, device configurations, inventories, and procedures.
• Coordinate with carriers, vendors, and on-site support resources.
• Participate in a global on-call rotation and follow-the-sun model.
• Escalate complex issues with clear status communication.

Skills

LAN/WAN/Wireless

TCP/IP fundamentals

CCNA knowledge

Documentation

Collaboration

On-call support

Education

Bachelor's degree in CS/Engineering/IT

Cisco CCNA certification

Additional Cisco/Aruba/AWS certs

Tools

Aruba wireless

EdgeConnect/SD-WAN

BGP/EIGRP knowledge

AWS Direct Connect

Job description

Skills :

Position Summary

This hands-on role will support network operations, infrastructure projects, and technology lifecycle activities across the Asia-Pacific region.

The successful candidate will have practical experience supporting enterprise network environments, including campus LAN, WAN, wireless, and data center infrastructure.

The engineer will work from established network standards and approved designs to perform implementations, maintenance, troubleshooting, documentation, and operational support.

This role requires regular collaboration with technical teams, local business stakeholders, service providers, and on-site resources across Asia, North America, and Europe.

Candidates should be able to manage assigned work independently, communicate clearly across time zones, and escalated complex issues when appropriate.

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 documentation notes.
• Ability to organize assigned work, manage multiple priorities, and escalated 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

• Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field is preferred. Equivalent professional experience will be considered.
• Cisco CCNA certification or equivalent knowledge and experience.
• Additional Cisco, Aruba, AWS, or other relevant technical certifications are beneficial.

EA Number :11C4879