IT - Network Team Lead

FortisHill Consulting; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

FortisHill Consulting is seeking an experienced Network Team Lead in Hong Kong to oversee enterprise network operations across LAN, WAN, wireless, and SD-WAN. You will lead major infrastructure initiatives, drive continuous improvement, and ensure high availability and security of the network fabric.

The role requires 8+ years of IT infrastructure experience with strong focus on network and security management, plus deep knowledge of TCP/IP, OSPF, BGP, MPLS, VLAN, and hands-on experience with

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering.
• Minimum 8 years of IT infrastructure experience with strong focus on network and security management.
• Deep understanding of enterprise networking protocols and technologies: TCP/IP, OSPF, BGP, MPLS, VLAN.
• Hands-on experience with enterprise-grade network infrastructure and security equipment: Cisco, FortiGate, Huawei.
• Experience with security monitoring and technologies including SIEM, Firewall, IDS/IPS, WAF, Trellix, Skyhigh Security.

Responsibilities

• Oversee daily network operations across LAN, WAN, Wireless, and SD-WAN to ensure stable, secure service delivery.
• Lead response to major network incidents and perform root cause analysis (RCA).
• Manage full lifecycle of on-premises network infrastructure: deployment, maintenance, upgrades.
• Enforce network security policies and governance; coordinate with cybersecurity teams.
• Support internal/external audits; maintain network documentation and governance practices.
• Lead multiple network infrastructure projects including office relocation and integration.

Skills

Network leadership

Incident management

Risk management

Stakeholder management

Technical guidance

Education

Bachelor's degree in Computer Science, Information Technology, Engineering

Tools

TCP/IP

OSPF

BGP

MPLS

VLAN

Cisco

FortiGate

Huawei

SIEM

Firewall

IDS/IPS

WAF

Trellix

Skyhigh Security

Job description

Our client is seeking an experienced Network Team Lead to oversee enterprise network operations and infrastructure across LAN, WAN, wireless, and SD-WAN environments. The role will be responsible for ensuring network stability, security, performance, and service quality, while leading major infrastructure initiatives and driving continuous improvement.

Key Responsibilities

Network Operations & Service Management

• Oversee daily network operations across LAN, WAN, Wireless, and SD-WAN environments to ensure stable, secure, and high-performance service delivery.
• Monitor network availability, performance, and service quality, identifying areas for improvement.
• Establish and monitor network KPIs to measure operational performance and service effectiveness.
• Provide technical guidance to network engineers and operational teams.

Incident & Problem Management

• Lead the response to major network incidents and complex technical issues.
• Perform and oversee root cause analysis (RCA) and implement corrective and preventive actions.
• Drive continuous improvement to minimise service disruption and prevent recurring incidents.
• Coordinate with relevant internal teams, vendors, and stakeholders during major incidents.

Network Infrastructure Lifecycle Management

• Manage the full lifecycle of on-premises network infrastructure, including:
• Deployment
• Maintenance
• Upgrade
• Ensure network infrastructure remains reliable, supportable, and aligned with technology and business requirements.
• Review infrastructure capacity and performance to support future business growth.

Network Security & Governance

• Enforce network security policies, firewall governance, and access control requirements.
• Oversee security controls across network infrastructure and ensure appropriate protection against security threats.
• Work with cybersecurity teams on network security monitoring, incident response, and control enhancement.
• Ensure network architecture and operational practices comply with internal security standards and regulatory requirements.

Compliance & Risk Management

• Support internal and external compliance and regulatory audits.
• Ensure network documentation, security controls, operational processes, and governance practices meet required standards.
• Identify network and security risks and develop appropriate mitigation measures.
• Maintain accurate technical and operational documentation for audit and governance purposes.
• Lead multiple network infrastructure projects, including:
• Office relocation
• Infrastructure integration
• Manage project planning, technical delivery, dependencies, risks, and stakeholder coordination.
• Work closely with operations teams and business stakeholders to ensure consistent and integrated network architecture across the organisation. Network Team Lead

Requirements

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
• Minimum 8 years of IT infrastructure experience, with strong focus on network and security management.
• Deep understanding of enterprise networking protocols and technologies, including:
• TCP/IP
• OSPF
• BGP
• MPLS
• VLAN
• Strong hands-on experience with enterprise-grade network infrastructure and security equipment, such as:
• Cisco
• FortiGate
• Huawei
• Strong understanding of network security principles and enterprise security architecture.
• Experience with security monitoring and security technologies including:
• SIEM
• Firewall
• IDS/IPS
• WAF
• Trellix
• Skyhigh Security
• Strong analytical, troubleshooting, risk management, and business process improvement skills. Network Team Lead

Certifications

• CCNP is required.
• CCIE is highly preferred.
• Other relevant certifications are advantageous, including:
• HCIP / HCIE
• FortiGate certifications
• CISSP
• CISA

Preferred Skills

• Knowledge of AI-driven network automation, scripting, and network monitoring tools.
• Experience leading network infrastructure teams or technical workstreams.
• Strong stakeholder management and communication skills.
• Ability to manage multiple projects and priorities in a fast-paced environment.
• Excellent command of spoken and written English and Chinese. Network Team Lead