Senior Infrastructure Manager

About the Company Our client is a reputable financial institution in Hong Kong with a complex, mission-critical technology environment. They are seeking a Senior Manager to lead the UNIX, middleware and database platforms team, ensuring high availability and performance of core systems. Key Responsibilities Team Leadership & Platform Ownership Lead a team of UNIX/Linux, middleware and database specialists, providing direction, coaching and technical guidance. Take overall accountability for the stability, security and efficiency of UNIX, Linux, middleware and database environments supporting business applications. Contribute to annual infrastructure budgeting and planning, including hardware, software and support services. Database Administration Oversee administration of enterprise databases such as Oracle RAC, DB2 and Microsoft SQL Server. Ensure proper database provisioning, configuration, performance tuning, capacity management and maintenance across environments (dev / UAT / production). Define and enforce robust backup, recovery and high-availability strategies to safeguard data integrity and support business continuity. UNIX / Linux System Administration Manage UNIX / Linux platforms including AIX, Solaris and Red Hat, covering server build, configuration, patching and performance optimisation. Define standards and best practices for system configuration, hardening and lifecycle management, including End-of-Support (EOS) upgrades. Monitoring, Capacity & Governance Work with monitoring teams / tools to ensure proper SNMP configuration and system health visibility. Produce and review system performance and capacity reports, and prepare annual capacity planning documentation (utilisation trends, growth projections, upgrade recommendations). Ensure proper documentation for audit and regulatory compliance, including system acceptance testing (SAT) records and periodic user access reviews. Oversee routine operational tasks and ensure they are completed in a timely and controlled manner. Resilience, Incident & Change Management Design and maintain backup job configurations and disaster recovery (DR) runbooks for UNIX and database platforms. Coordinate and support DR drills, including failover and fallback exercises. Lead major incident investigations, drive root cause analysis and ensure preventive / corrective actions are implemented. Coordinate infrastructure changes and upgrades, and work closely with vendors on procurement, implementation and ongoing support of hardware and software. Requirements Education & Qualifications Bachelor’s degree in Computer Science, Information Technology or related discipline. Formal training or certifications in AIX, Solaris and/or Red Hat Linux administration are highly regarded. Professional certifications such as IBM Certified System Administrator, Oracle Certified Professional or Red Hat Certified System Administrator are advantageous. Experience At least 8 years of relevant experience as a UNIX/Linux Administrator, Database Administrator, or in a similar infrastructure-focused role, with some years in a leadership or senior role. Proven track record managing large-scale, mission-critical UNIX and database environments, preferably in financial services. Technical & Soft Skills Strong hands-on knowledge of AIX, Solaris, Red Hat Linux and enterprise databases (Oracle RAC, DB2, MSSQL). Experience with backup and recovery solutions, DR planning and execution, and EOS / lifecycle management. Familiarity with audit and compliance requirements in regulated environments, including documentation, SAT and access review processes. Excellent analytical, communication and documentation skills, with the ability to work closely with cross-functional IT and business teams. Strong leadership, stakeholder management and prioritisation skills; able to manage multiple initiatives and deadlines in a fast-paced environment. Proactive, detail-minded and committed to continuous improvement.