Senior Network Engineer

Morgan Mckinley Limited; Hong Kong Island; On-site; HKD 480,000 - 800,000; Full time

Job summary

Morgan Mckinley Limited seeks an experienced Network Infrastructure Engineer to manage daily operations of fixed networks (LAN/WAN), wireless connectivity, Internet services, and overseas branches to ensure high stability and performance.

You will configure security and traffic infrastructure including next‑gen firewalls, VPNs, F5 load balancers, Nginx, and enterprise Wi‑Fi, while collaborating with development teams to design and provision network environments across dev, test and production.

Qualifications

• Minimum 5 years of experience in network infrastructure support.
• Higher Certificate/Diploma in Computer Science is required; a Degree is preferred.
• Knowledge of network protocols and hands-on device experience.

Responsibilities

• Manage, support, and maintain daily operations for fixed networks (LAN/WAN) and wireless connectivity.
• Configure, deploy, and manage security and traffic infra including firewalls, VPNs, and load balancers.
• Maintain security rule sets and assist in defining network and security policies.
• Collaborate with development teams to design and provision network environments across dev/test/production.
• Provide high-tier troubleshooting for complex network incidents and coordinate with external vendors.

Skills

TCP/IP

EIGRP

OSPF

BGP

Analytical thinking

Problem solving

Action planning

Education

Higher Certificate/Diploma in Computer Science

Degree in IT/Computer Science preferred

Tools

Cisco devices

H3C devices

Huawei devices

Next-gen firewalls

F5 Load Balancers

Nginx

NAC

iMC

LEM

Job description

Manage, support, and maintain daily operations for fixed networks (LAN/WAN), wireless connectivity, Internet services, and overseas branches to ensure high stability and performance.

Configure, deploy, and manage security and traffic management infrastructure, including next-generation firewalls, Site-to-Site IPsec VPNs, F5 load balancers, Nginx, and enterprise Wi‑Fi (mobility controllers, access points, and NAC).

Maintain security rule sets (web isolation, web proxy, DLP) and assist in defining overall network and security policies and baselines.

Partner with internal application development teams and stakeholders to design and provision network environments across dev, test, and production phases, as well as support solution rollouts and problem resolution.

Provide high‑tier technical troubleshooting for complex network incidents and manage external vendors/counterparts for connectivity management.

Facilitate team cooperation, share technical expertise, and perform ad‑hoc tasks assigned by management.

Requirements

Experience & Education: Minimum 5 years of experience in network infrastructure support. Higher Certificate/Diploma in Computer Science required; a Degree in IT/Computer Science is preferred.

Technical Expertise: In-depth knowledge of network protocols (TCP/IP, EIGRP, OSPF, BGP) and hands‑on experience with Cisco, H3C, and Huawei devices.

Systems & Tools: Hands‑on experience with next‑gen firewalls, F5 Load Balancers, enterprise Wi‑Fi products, network monitoring tools (e.g., iMC, LEM), and various operating systems.

Certifications: CCNP, HCIP, H3CSE, F5, Aruba, or HKMA Enhanced Competency Framework qualifications are preferred/an advantage.

Soft Skills & Communication: Strong analytical, problem‑solving, and action‑planning abilities. Proactive, customer‑oriented team player with excellent written and spoken English and Chinese skills.