Hybrid Cloud Infrastructure Engineer (AVP/VP)

Asia Pacific Exchange Pte. Ltd. (“APEX”) (www.asiapacificex.com) is the 3rd MAS licensed derivatives Exchange in Singapore. Lead by a group of visionary leaders, APEX lists innovative futures products for a wide spectrum of global investors to manage their trading and price risks. Job Description Reporting to the Chief Information Officer, the Hybrid Cloud Infrastructure Engineer engineers, operates, and safeguards the Company’s hybrid infrastructure supporting critical trading, clearing, surveillance, and corporate services. The role spans compute, operating systems, virtualization, storage, backup, networking, and public cloud platforms, with a strong focus on service availability, performance, security, resilience, and recoverability within a regulated exchange environment. The successful candidate will be a hands-on infrastructure professional with proven technical depth in at least one core infrastructure domain and sufficient breadth to diagnose and manage issues across integrated technology environments. Key Duties and Responsibilities • Design, implement, operate, and maintain secure and resilient infrastructure across the Company’s data centres, corporate offices, and public cloud environments. • Administer and support enterprise compute infrastructure, Linux and Windows servers, virtualization platforms, storage systems, backup solutions, and core infrastructure services. • Configure, administer, and monitor network and security infrastructure, including routers, switches, firewalls, VPN gateways, proxy servers, DNS, DHCP, WAN links, and related components. • Manage public cloud infrastructure and hybrid cloud connectivity, including virtual networks, routing, security controls, resource monitoring, and infrastructure migration activities. • Monitor infrastructure availability, performance, capacity, and security, and proactively address potential risks, service degradation, and capacity constraints. • Plan and execute infrastructure changes, upgrades, patching, maintenance, migrations, and technology lifecycle activities in accordance with the Company’s change management and security requirements. • Respond to infrastructure incidents, coordinate service restoration, perform root cause analysis, and implement appropriate corrective and preventive measures. • Implement and maintain infrastructure security controls, including system and network hardening, secure configuration baselines, vulnerability remediation, access controls, patch management, and security monitoring. • Provide Level 2 and Level 3 escalation support for infrastructure-related issues affecting production and corporate environments. • Perform connectivity testing, troubleshooting, circuit provisioning, and migration activities for trading and clearing members. • Support disaster recovery, business continuity, backup restoration, system failover, and infrastructure resilience exercises, and follow through on identified improvement actions. • Maintain accurate and current architecture diagrams, network diagrams, configuration records, operating procedures, recovery runbooks, and other technical documentation. • Coordinate with internal stakeholders, technology vendors, cloud service providers, telecommunications carriers, and external counterparties on infrastructure operations, projects, and incident resolution. • Provide technical input and supporting evidence for risk assessments, security reviews, internal and external audits, and regulatory inspections. • Participate in scheduled maintenance and provide after-hours support for critical production incidents when required. Requirements: • At least five years of hands-on experience in enterprise infrastructure engineering, preferably within a highly available, business-critical, or regulated environment. • Demonstrated technical depth in at least one core infrastructure domain, such as systems, networking, virtualization, storage, or public cloud, together with sound working knowledge across the broader infrastructure landscape. • Hands-on experience administering Linux and/or Windows Server environments and associated enterprise infrastructure services. • Practical experience with enterprise virtualization, storage, backup, high-availability, and disaster recovery technologies. • Experience designing, deploying, operating, or migrating infrastructure within a public cloud or hybrid cloud environment. • Sound knowledge of networking technologies, including TCP/IP, routing, switching, firewalls, VPNs, DNS, DHCP, WAN connectivity, and network troubleshooting. • Familiarity with public cloud networking, security controls, identity and access management, infrastructure monitoring, and data centre-to-cloud connectivity. • Good understanding of infrastructure security practices, including system hardening, vulnerability management, patch management, access control, security monitoring, and incident response. • Experience supporting production environments through disciplined incident, problem, change, and capacity management processes. • Familiarity with infrastructure monitoring, configuration management, automation, and scripting would be advantageous. • Knowledge of data centre operations, equipment installation standards, structured cabling, cross-connects, and telecommunications circuit management. • Experience in a financial institution, exchange, brokerage, clearing house, or other regulated environment would be advantageous. • Relevant professional certifications, such as CCNP, RHCE, or an infrastructure certification from a major public cloud provider, are preferred. • Strong analytical, troubleshooting, documentation, and stakeholder management capabilities. • Self-motivated, dependable, and able to exercise sound judgment while managing multiple priorities in a time-sensitive production environment. • Strong written and verbal communication skills in English. • Proficiency in Mandarin would be advantageous for liaising wit…