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

**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: "To Connect, Promote and Progress our 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:** **Network Monitoring & Incident Response** * 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 escalate 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. **Continuous Improvement** * 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 **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._ **Location:** HKEX - TKO **Shift:** 7x24 Shift (Hong Kong SAR) **Scheduled Weekly Hours:** 40 **Worker Type:** Permanent