Network Operation Centre Engineer - Officer - Network & System Operations - IT

Hong Kong Exchanges & Clearing Ltd; Hong Kong; On-site; HKD 240,000 - 360,000; Full time

Job summary

Hong Kong Exchanges & Clearing Ltd (HKEX) is seeking a Network Operation Centre Engineer - Officer to monitor, maintain, and support its critical network infrastructure in a 24x7 NOC.

You will handle alerts, troubleshoot L1/L2 issues, document incidents, and collaborate with internal teams and vendors. Cisco/Juniper/Arista devices, and monitoring tools like SolarWinds and Zabbix are part of daily ops. Shift rotations apply.

Qualifications

• Degree in Computer Science, Information Technology, or related discipline.
• 2–5 years of experience in network operations, NOC environment, or L1/L2 support roles.
• Holder of Cisco CCNP or Huawei HCIP is required.
• ITIL Foundation is a plus.
• Previous experience in regulated environments (banking/exchanges) is an added advantage.

Responsibilities

• Monitor network infrastructure, WAN/LAN, firewalls, load balancers, and data center equipment.
• Detect, analyze, and respond to network alerts and performance anomalies.
• Troubleshoot L1/L2 issues and escalate to L3 engineering when required.
• Maintain incident records and communicate with stakeholders.
• Collaborate with network service providers and other parties on production support.
• Work in shift rotations (24×7 operations).
• Handle ITIL-based service management (incidents, changes, requests).
• Support security monitoring and governance compliance activities.

Skills

Analytical thinking

Problem solving

Communication

Teamwork

Under pressure

Education

Degree in Computer Science, Information Technology, or related discipline

Tools

Cisco devices

Juniper devices

Arista devices

Palo Alto firewall

Fortinet firewall

Check Point firewall

SolarWinds

PRTG

SevOne

Zabbix

Netbrain

JIRA

Confluence

Job description

Network Operation Centre Engineer - Officer - Network & System Operations - IT

Network Operation Centre Engineer - Officer - Network & System Operations - IT (Shift Rotations)
Company Introduction:

We’re home to Asia's most dynamic and vibrant capital markets. Connecting capital, ideas, inspiration and innovation for deeper, more diverse and liquid global capital markets; providing greater choice and opportunity for our customers, each and every day.

HKEX is a purpose-driven company. Our commitment to the long-term development of our business and our markets is articulated in our purpose: "ToConnect,PromoteandProgressour Markets and the Communities they support for the prosperity of all.".

Job Summary:

The NOC Network Operations Engineer is responsible for monitoring, maintaining, and supporting the organization’s network infrastructure to ensure high availability, optimal performance, and rapid incident response. This role operates within a 24×7 Network Operations Center (NOC) environment and plays a key part in safeguarding production stability, resolving network incidents, and coordinating with internal teams and external service providers.

Job Duties:

Responsibilities:

• Monitor network infrastructure, WAN/LAN links, firewalls, load balancers, and data center equipment using NMS/monitoring tools.
• Detect, analyze, and respond to network alerts and performance anomalies.
• Troubleshoot and resolve L1/L2 network issues within agreed SLAs.
• Perform initial diagnosis and elevate to L3 engineering teams when required.
• Maintain detailed incident records and ensure timely communication to stakeholders.
• To collaborate with network service providers and other parties on production support
• Work in shift rotations (24×7 operations).

Operations & Maintenance

• Conduct routine health checks on network devices and critical circuits.
• Support planned maintenance activities, including network upgrades, patching, and configuration changes.
• Assist in managing network assets, documentation updates, and configuration archives.
• Collaborate with vendors/telcos to resolve circuit or hardware issues.

Service Management

• Handle ServiceNow incidents, requests, and change tickets in accordance with ITIL processes.
• Participate in root cause investigations and assist in producing post-incident reports.

Security & Compliance

• Monitor and respond to security-related network events in coordination with the security team.
• Ensure adherence to governance, compliance, and change control standards.
• Support audit exercises and maintain evidence for control checkpoints.
• Recommend enhancements to monitoring dashboards, alert thresholds, and operational workflows.
• Contribute to automation initiatives to reduce manual operational tasks.
• Participate in knowledge sharing and develop procedural runbooks.
• To adopt tools and systems, such as JIRA, Confluence to enhance operation tasks and productivity

Job Requirements:

Education & Professional Experience

• Degree in Computer Science, Information Technology, or related discipline.
• 2–5 years of experience in network operations, NOC environment, or L1/L2 support roles.
• Previous experience in regulated environments, e.g. banking, financial institution, exchanges, is an added advantage, not a must
• Holder of Cisco CCNP or equivalent (Huawei HCIP) is required
Holder of ITIL Foundation is a plus

Technical Skills

• Solid understanding of TCP/IP, routing, switching, DNS, DHCP, MPLS, VPN, and network protocols.
• Hands-on experience with Cisco/Juniper/Arista network devices.
• Familiarity with firewalls (Palo Alto, Fortinet, Check Point) is a plus.
• Experience with monitoring tools (e.g., SolarWinds, PRTG, SevOne, Zabbix, Netbrain).
• Basic understanding of ITIL processes (Incident, Problem, Change Management).
• Experience in programming with Python for network automation is a plus

Soft Skills:

• Strong analytical and problem‑solving abilities.
• Ability to work under pressure in a mission-critical environment.
• Effective communication skills and teamwork mindset.

HKEX is committed as an Equal Opportunity Employer. Diversity is one of our core values and we look to support, respect diverse perspectives, abilities, culture and experiences within our workplace.