Senior Network Engineer

NCS; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

NCS in Singapore is seeking a Senior Network Engineer to design, implement, and maintain our enterprise network infrastructure. You will work with cutting-edge technologies to ensure performance, security, and reliability while mentoring junior team members.

You will design scalable architectures, configure BGP/OSPF/EIGRP, implement security controls, and collaborate with cloud teams (AWS/Azure/GCP) to bridge on‑prem and cloud networks. Documentation and mentoring are key parts of the role.

Qualifications

• Advanced TCP/IP and networking fundamentals.
• Experience with enterprise routing and switching.
• Strong security and VPN knowledge.

Responsibilities

• Design, deploy, and manage enterprise network architectures for growth.
• Configure routing protocols (BGP/OSPF/EIGRP) across segments.
• Implement security: firewalls, VPNs, access policies.
• Monitor performance with standard tools and analyze for optimization.
• Troubleshoot complex issues; document solutions for reference.
• Collaborate to integrate cloud networking (AWS/Azure/GCP) with on‑prem.
• Maintain network docs and configuration management.
• Mentor junior engineers and support staff.
• Conduct regular assessments; improve efficiency and security.
• Stay current with emerging networking technologies and best practices.

Skills

TCP/IP fundamentals

Routing & Switching

Security concepts

VoIP & UC

Cloud networking

Network documentation

Project leadership

Mentoring

Python/Ansible (SDN)

SDN concepts

Tools

Cisco/Juniper/Arista platforms

Job description

We are seeking a detail-oriented and analytical Senior Network Engineer to join our team in Singapore. In this role, you will be responsible for designing, implementing, and maintaining our organization's network infrastructure. You will work with cutting-edge technologies to ensure optimal network performance, security, and reliability while leading technical initiatives and mentoring junior team members.

• Design, deploy, and manage enterprise-level network architectures that support organizational growth and scalability
• Configure and optimize routing and switching protocols (BGP, OSPF, EIGRP) across multiple network segments
• Implement and maintain network security measures, including firewalls, VPNs, and access control policies
• Monitor network performance using industry-standard tools and analyze data to identify optimization opportunities
• Troubleshoot complex network issues efficiently and document solutions for future reference
• Collaborate with cross-functional teams to integrate cloud networking solutions (AWS, Azure, GCP) with on-premises infrastructure
• Maintain comprehensive network documentation and configuration management systems
• Provide technical guidance and mentoring to junior network engineers and support staff
• Conduct regular network assessments and recommend improvements to enhance efficiency and security
• Stay current with emerging network technologies and industry best practices

Qualifications

• 7+ years of professional experience in network engineering or infrastructure management
• 3+ years in a senior-level network engineering role
• Advanced knowledge of TCP/IP networking fundamentals and network protocols
• Hands-on experience with enterprise routing and switching platforms (Cisco, Juniper, Arista, or equivalent vendors)
• Proficiency with network monitoring and troubleshooting tools and technologies
• Strong understanding of network security principles, firewall management, and VPN technologies
• Experience designing and implementing VoIP and unified communications solutions
• Demonstrated ability to work with cloud networking platforms and hybrid network environments
• Excellent analytical and problem-solving skills with strong attention to detail
• Organized approach to project management and technical documentation
• Preferred: Experience with network automation and scripting languages (Python, Ansible)
• Preferred: Knowledge of software-defined networking (SDN) concepts and implementations
• Preferred: Familiarity with IT service management frameworks (ITIL)
• Preferred: Leadership experience and proven ability to mentor technical teams
• Strong communication skills and ability to explain complex technical concepts to non-technical stakeholders

Additional Information

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.

Learn more about us at ncs.co and visit our LinkedIn career site.