Network Engineer [CCNA]

Ncs3; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Ncs3 in Singapore is seeking a detail-oriented Network Engineer with CCNA to design, implement, and maintain our network infrastructure, ensuring performance, security, and reliability.

You will design LAN/WAN, configure routing and switching, troubleshoot issues, monitor performance, and collaborate with IT teams while keeping documentation up to date.

Qualifications

• CCNA certification required or equivalent validation.
• Minimum 3 years of professional experience in network engineering.
• Strong knowledge of TCP/IP protocols and network architectures.
• Hands-on experience with Cisco routing and switching equipment.
• Experience with VPNs, firewalls, and network security basics.

Responsibilities

• Design, deploy, and maintain LAN/WAN infrastructure using Cisco equipment.
• Configure and manage routing and switching protocols for reliable connectivity.
• Troubleshoot and diagnose connectivity issues promptly.
• Monitor network performance and optimize capacity and efficiency.
• Implement and maintain network security measures (firewalls, VPNs, ACLs).
• Document configurations and changes clearly for future reference.
• Collaborate with IT teams to support upgrades and migrations.
• Conduct regular network assessments and provide optimization recommendations.
• Respond to incidents with timely technical support.
• Stay current with industry trends and best practices.
• Participate in capacity planning and infrastructure decisions.
• Support network automation projects and evaluate new tools.

Skills

Analytical thinking

Troubleshooting

Networking expertise

TCP/IP knowledge

Education

CCNA certification

3+ years of network engineering experience

Tools

Cisco routing & switching hardware

LAN/WAN configuration tools

Job description

We're looking for a detail-oriented and analytical Network Engineer with CCNA certification to join our growing IT infrastructure team in Singapore. In this role, you will be responsible for designing, implementing, and maintaining our organization’s network infrastructure to ensure optimal performance, security, and reliability. You’ll work collaboratively with IT teams to support network operations while staying current with emerging technologies. The ideal candidate will demonstrate strong technical expertise, exceptional organizational skills, and the ability to troubleshoot complex network issues efficiently and decisively.

Responsibilities

• Design, deploy, and maintain LAN/WAN network infrastructure using Cisco networking equipment and technologies with precision and attention to detail
• Configure and manage routing and switching protocols to ensure seamless network connectivity, performance, and reliability across all systems
• Perform comprehensive network troubleshooting and diagnostics to identify and resolve connectivity issues promptly and efficiently
• Monitor network performance and analyze traffic patterns to optimize network efficiency, capacity planning, and resource allocation
• Implement and maintain network security measures, including firewalls, access control lists, VPN configurations, and security best practices
• Document network configurations, changes, and procedures in a clear, organized, and transparent manner for future reference and compliance
• Collaborate with IT teams and stakeholders to support network upgrades, migrations, and infrastructure improvements while maintaining service continuity
• Conduct regular network assessments and provide analytical recommendations for system enhancements and optimization opportunities
• Respond to network incidents and provide technical support to resolve issues within established timeframes, demonstrating resilience under pressure
• Stay current with industry best practices, emerging networking technologies, and innovative solutions to enhance organizational capabilities
• Participate in capacity planning initiatives and contribute to strategic network infrastructure decisions
• Support network automation projects and evaluate new tools and technologies to improve operational efficiency

Required Qualifications

• Due to government project sensitivity, we will only consider Singapore Citizen
• Cisco Certified Network Associate (CCNA) certification
• Minimum 3 years of professional experience in network engineering or network administration
• Strong knowledge of TCP/IP protocols and network architecture fundamentals
• Hands-on experience with Cisco routing and switching equipment
• Proficiency in LAN/WAN configuration and management
• Solid understanding of network security fundamentals, best practices, and implementation
• Demonstrated ability to troubleshoot network issues systematically and efficiently
• Strong organizational and documentation skills with attention to detail
• Excellent analytical and problem-solving abilities
• Experience with VPN configuration and firewall management
• Knowledge of network performance monitoring and capacity planning

Preferred Qualifications

• Cisco Certified Network Professional (CCNP) or higher-level certification
• Experience with cloud networking platforms and hybrid network environments
• Proficiency with network monitoring and management tools
• Knowledge of IT service management (ITSM) frameworks and best practices
• Experience with network automation and scripting languages
• Familiarity with network design tools and software
• Strong communication and technical writing skills
• Experience with incident response and network troubleshooting in fast-paced environments
• Knowledge of emerging networking technologies and industry trends
• Experience supporting large-scale or complex network infrastructures

We are driven by our AEIOU beliefs-Adventure, Excellence, Integrity, Ownership, and Unity-and we seek individuals who embody these values in both their professional and personal lives. We are committed to our Impact: Valuing our clients, Growing our people, and Creating our future.

Together, we make the extraordinary happen.