(Senior) Network Engineer - Associate - System & Network Operations - IT

Hong Kong Exchanges & Clearing Ltd; Hong Kong; On-site; HKD 900,000 - 1,300,000; Full time

Job summary

Hong Kong Exchanges & Clearing Ltd is seeking a Senior Network Engineer to lead network design and operations for trading and corporate networks. You will act as SME from design to production, guiding architecture and change proposals while collaborating with Project management, Security, and external vendors.

The role requires deep data center networking expertise, capacity planning, and governance to ensure reliability in a regulated financial environment.

Qualifications

• 7+ years in network architecture, engineering, or consulting in FSI or exchange environments.
• Degree in Computer Science, Engineering, or related discipline.
• Experience with large-grade data center networks and spine-leaf designs.
• Familiarity with DC interconnects, redundancy, and disaster recovery architectures.
• Knowledge of Layer 2/3 data center networking, EVPN/VXLAN, and traffic segmentation.
• Cross-connects, carrier diversity, and colocation within exchange or financial data centers.
• CCNP, CCIE or equivalent certification preferred.
• Strong communication and stakeholder coordination for project delivery.

Responsibilities

• Act as network SME for trading and Corporation network projects from design to production
• Provide architectural guidance on trading networks, market data distribution, and exchange connectivity
• Review and validate network designs, implementation plans, and change proposals
• Advise on colocation, cross-connect, redundancy, and capacity planning initiatives
• Work with Project manager, Network Operations, Trading applications, Security, and vendors
• Support risk assessments, governance, and production readiness reviews
• Ensure network solutions align with regulatory, audit, and operational standards

Skills

Data center architecture

Spine-leaf design

Capacity planning

Vendor coordination

Networking security

Education

Bachelor's degree in Computer Science or Engineering

Tools

EVPN/VXLAN

DCI

Job description

(Senior) Network Engineer - Associate - System & Network Operations - IT

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

Job Duties

Job Responsibilities

• Act as network subject‑matter expert (SME) for trading and Corporation network projects from design to production
• Provide architectural guidance on trading networks, market data distribution, and exchange connectivity
• Review and validate network designs, implementation plans, and change proposals
• Advise on colocation, cross‑connect, redundancy, and capacity planning initiatives
• Work closely with Project manager, Network Operations, Trading application, Security, and external vendors
• Support risk assessments, technical governance, and production readiness reviews
• Ensure network solutions align with regulatory, audit, and operational standards

Job Requirements

• Minimum 7 years of experience in network architecture, engineering, or consulting roles within Financial Services Industry (FSI) or exchange environments
• Degree in Computer Science, Engineering, or related discipline
• Strong expertise in large-grade data center network architecture, including spine-leaf design, high availability, and non-blocking fabrics
• Experience in data center interconnect (DCI), redundancy models, and active-active / disaster recovery architectures
• Solid understanding of Layer 2 / Layer 3 data center networking, including EVPN/VXLAN and traffic segmentation
• Knowledge of cross-connects, carrier diversity, and colocation environments, preferably within exchange or financial data centers
• Ability to review and validate capacity planning and resilience design for mission-critical systems
• Familiarity with network security design, including secure zoning, firewall integration, and east-west traffic control within data centers
• Experience supporting data center migration, refresh programs, and technology upgrades with minimal service impact
• Understanding of operational readiness, monitoring, and handover requirements in 24x7 mission-critical environments
• Ability to lead vendor and solution design discussions, including reviewing architectures, BOMs, and supporting cost justification (CAPEX / OPEX)
• Ability to prepare high-level solution options, including design trade-offs, risks, and architectural considerations
• Proven experience supporting mission-critical and regulated systems
• Strong ability to coordinate and communicate effectively with internal users, stakeholders, and external partners/vendors to ensure successful project delivery and operational alignment
• Professional certification such as CCNP, CCIE, or equivalent is preferred

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.