Senior Network Engineer at Nahc.io – Hong Kong | Jobyssey

This role is responsible for designing, implementing, and supporting scalable, secure, and modern enterprise network solutions across cloud and on-premise environments, with a strong focus on software-defined and programmable networking.

What You Will Do

Design, build, and support global cloud and on-premise data center networks.
Implement Internet, MPLS, SD-WAN, and cloud connectivity solutions.
Engineer next-generation networking solutions including cloud networking, data center architectures, and private wireless (4G/5G).
Collaborate with architecture, deployment, operations, automation, and security teams on network design and implementation.
Develop and maintain technical documentation, templates, use cases, and acceptance testing plans.
Provide training and knowledge transfer to regional support teams.
Support automation initiatives by contributing to scripted and programmable network deployments.
Review and validate WAN and SD-WAN software releases, upgrades, and code testing activities.

What You Will Need

Strong expertise in enterprise networking platforms (Cisco, Arista, VMware, Meraki, private wireless solutions).
Hands-on experience with SD-WAN design, configuration, load balancing, and cost optimization.
Cloud networking experience across AWS, Azure, or GCP.
Deep knowledge of networking fundamentals (ARP, DHCP, DNS, IPv6) and routing protocols (BGP, OSPF,EIGRP).
Experience designing and managing highly available production networks.
Strong documentation, communication, and presentation skills.
Analytical mindset with excellent troubleshooting and problem-solving abilities.
Bachelor's degree in Computer Science, Engineering, or equivalent experience.
5+ years of experience in large enterprise networking environments.
3+ years of hands-on SD-WAN experience.
2+ years of cloud networking experience.
Professional certifications (CCNP/CCIE or equivalent) preferred.
Cloud networking certifications (AWS/Azure) preferred.
Experience with wireless LAN and 4G/5G networks is an advantage.
Proficiency in English and Cantonese; willingness to travel occasionally.

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What You Will Do

What You Will Need