Associate - Senior Network Engineer - System & Network 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:** **Job Duties:** **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 **Requirements** * 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 * Strong ability to coordinate and communicate effectively with internal users, stakeholders, and external partners/vendors to ensure successful project delivery and operational alignment * Minimum 7+ years of experience in network architecture, engineering, or consulting roles within Financial Services Industry (FSI) or exchange environments * Proven experience supporting mission-critical and regulated systems * Degree in Computer Science, Engineering, or related discipline * 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._ **Location:** HKEX - TKO **Shift:** Standard - 40 Hours (Hong Kong SAR) **Scheduled Weekly Hours:** 40 **Worker Type:** Permanent