Nenior Network Engineer (Data Center & Migration)

Classy Wheeler Limited; Hong Kong; On-site; HKD 480,000 - 720,000; Full time

Job summary

Classy Wheeler Limited in Hong Kong seeks an experienced Network Engineer to execute deployments, configure firewalls and switches, and manage data center migrations.

You will document changes, provide on-site support, and collaborate with vendors within strict IT governance.

Qualifications

• University degree in IT/CS/Engineering or related discipline.
• Minimum 5 years hands-on network deployment, troubleshooting and support.
• In-depth knowledge of Layer 2/3 routing and switching, SDN, multicast, Wi-Fi, DDI, and security.
• Professional certifications such as CCIE/CCNP/HCIE or vendor security credentials.
• Experience with network management systems, automation scripting, and audit processes.
• Strong analytical, problem-solving and communication skills.

Responsibilities

• Execute network deployments including firewall and switch config per approved plans.
• Migrate current environment to new data center with minimal service disruption.
• Configure Layer 2/3 routing, VLANs, and firewall policies.
• Apply firmware updates complying with security standards.
• Perform system integration and acceptance testing for readiness.
• Maintain operational records: reports, change logs, test results, weekly updates.
• Provide on-site support during production rollouts and 24/7 standby as needed.
• Collaborate with internal teams and external vendors under IT governance.

Skills

Analytical skills

Communication skills

Teamwork

Education

University degree in IT/CS/Engineering

Tools

CCIE

CCNP

HCIE

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.