Senior Network Architect, Trading & Data Center Networks

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

Job summary

Hong Kong Exchanges and Clearing Limited (HKEX) is seeking a senior network architect to lead design and delivery of trading network solutions in a 24x7 environment.

You will act as SME for trading and Corporation network projects, provide architectural guidance, review designs, and ensure regulatory and operational standards are met, collaborating with multiple internal teams and external vendors.

Qualifications

• 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

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 closely with Project manager, Network Operations, Trading applications, Security, and external vendors.
• Support risk assessments, technical governance, and production readiness reviews.
• Ensure network solutions align with regulatory, audit, and operational standards.

Skills

Network architecture

Data center design

EVPN/VXLAN

Capacity planning

Vendor management

Regulatory compliance

Education

Computer Science degree

Tools

CCNP/CCIE preferred

Job description

Hong Kong Exchanges and Clearing Limited (HKEX) is seeking a senior network architect to lead design and delivery of trading network solutions in a 24x7 environment.

You will act as SME for trading and Corporation network projects, provide architectural guidance, review designs, and ensure regulatory and operational standards are met, collaborating with multiple internal teams and external vendors.