Nenior Network Engineer (Data Center & Migration)

Classy Wheeler Limited; Hong Kong; On-site; HKD 550,000 - 900,000; Part time

Job summary

Classy Wheeler Limited in Hong Kong seeks an experienced network engineer for deploying and securing enterprise networks. You will implement firewalls, switches, and routing policies while migrating to a new data center with minimal downtime.

The role requires 5+ years in deployment, troubleshooting, and support, with SDN, multicast, DDI, and Wi-Fi expertise. Certifications like CCIE/CCNP/HCIE are preferred and on‑site, 24/7 readiness is expected.

Qualifications

• University degree in IT, CS, Engineering, or related discipline.
• 5+ years in network deployment, troubleshooting, and operational support.
• Deep knowledge of Layer 2/3 routing and switching, SDN, multicast, Wi‑Fi, DDI, and network security.
• Professional certifications such as CCIE, CCNP, HCIE, or vendor-specific security credentials.
• Familiar with network management systems, scripting, and risk/audit processes.

Responsibilities

• Execute network deployments, including installation and configuration of firewalls and switches per plans.
• Migrate current environment to new data center with minimal service disruption.
• Perform Layer 2/3 configurations, routing protocols, VLANs, firewall policies.
• Apply firmware updates and security patches in line with standards.
• Conduct system integration and acceptance testing to validate performance and security.
• Maintain operational records: implementation reports, change logs, test results, weekly updates.
• Provide on-site support during rollouts, stabilization, and on-call as needed.
• Collaborate with internal teams and vendors following IT governance and security protocols.

Skills

Network deployment

Troubleshooting

Operational support

SDN

Multicast

Wi-Fi

DDI

Network security

Communication

Analytical skills

Education

University degree in IT/CS/Engineering

Tools

Network management systems

Automation scripting

Job description

Client Description

Company Description: A premier telecommunications service provider and leading ICT enterprise in Hong Kong, specializing in enterprise networking, cloud solutions, and digital infrastructure services.
Location: Tseung Kwan O
Nature: Renewable Contract (6 months)

Job Description

• Execute network deployments, including the installation and configuration of firewalls and switches, strictly following approved implementation plans.
• Manage the migration of the current environment to the new data center facility while minimizing service disruption.
• Perform Layer 2 and Layer 3 network configurations, encompassing routing protocols, VLAN setups, and firewall policy implementations.
• Apply firmware updates and software bug fixes in full compliance with corporate security standards.
• Conduct system integration activities and perform acceptance testing to validate network performance and security readiness.
• Maintain complete operational records, including implementation reports, change logs, test outcomes, and weekly progress updates.
• Provide on-site technical assistance during production rollouts, post-implementation stabilization, and weekend or off-hour support when required.
• Collaborate closely with internal teams and external vendors while adhering to strict IT governance and security protocols.

Job Requirements

• Hold a university degree in Information Technology, Computer Science, Engineering, or a related discipline.
• Possess a minimum of 5 years of hands-on experience in network deployment, troubleshooting, and operational support, ideally within the banking or financial sectors.
• Demonstrate in-depth technical knowledge of Layer 2 and Layer 3 routing and switching, SDN, multicast, Wi-Fi, DDI, and network security technologies.
• Hold professional network certifications such as CCIE, CCNP, HCIE, or vendor-specific security credentials.
• Display familiarity with network management systems, network automation scripting, and risk management or audit processes.
• Exhibit strong analytical, problem-solving, and communication skills to work independently and effectively collaborate with cross-functional teams.
• Fluent in English and Cantonese, with proficiency in Mandarin considered a distinct advantage.
• Flexible to work weekends and provide 24/7 on-call standby support based on project requirements.