CCNA Network Engineer: Design, Secure & Optimize LAN/WAN

AVENSYS CONSULTING PTE. LTD.; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

Avensys Consulting Pte. Ltd. in Singapore is seeking a detail-oriented Network Engineer to design, implement, and maintain our network infrastructure.

The role focuses on reliability, security, and performance, with opportunities to collaborate across IT teams. The ideal candidate holds a CCNA, has hands-on Cisco routing and switching experience, and demonstrates strong troubleshooting, documentation, and time management skills.

Qualifications

• CCNA certification required.
• 3+ years of network engineering or administration experience.
• Strong knowledge of TCP/IP and network fundamentals.
• Hands-on with Cisco routing and switching equipment.
• Proficiency in LAN/WAN configuration and management.
• Solid understanding of network security principles.
• Ability to troubleshoot network issues systematically.
• Excellent documentation and organizational skills.
• Experience with network incidents and response.

Responsibilities

• Design, deploy, and maintain LAN/WAN infrastructure using Cisco equipment.
• Configure and manage routing and switching protocols for reliability.
• Troubleshoot and resolve connectivity issues promptly.
• Monitor network performance and optimize capacity and resources.
• Implement and maintain security measures (firewalls, ACLs, VPNs).
• Document configurations and procedures clearly for future reference.
• Collaborate with IT teams for upgrades, migrations, and improvements.
• Conduct regular network assessments and provide optimization recommendations.
• Respond to incidents and provide timely technical support.
• Stay updated with industry best practices and Cisco innovations.
• Participate in capacity planning and strategic network decisions.
• Mentor junior staff in engineering best practices.

Skills

CCNA

Network troubleshooting

TCP/IP

Cisco routing & switching

LAN/WAN

Network security

Documentation

Incident response

Time management

Job description

Avensys Consulting Pte. Ltd. in Singapore is seeking a detail-oriented Network Engineer to design, implement, and maintain our network infrastructure.

The role focuses on reliability, security, and performance, with opportunities to collaborate across IT teams. The ideal candidate holds a CCNA, has hands-on Cisco routing and switching experience, and demonstrates strong troubleshooting, documentation, and time management skills.