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Job Key No 41229 Job Title/ Category Senior System Support Specialist (Linux/Unix) Number Of Vacancy 1 Relevant Field Technical Support Nature Contract Contract Period One-year contract Payroll under InfoTech Employer Business bank Location Base Ngau Tau Kok Work Outside Current Location N/A Monthly Salary Range HK$ N/A - N/A Project Nature We are seeking a highly experienced Senior Systems Engineer to act as the Subject Matter Expert (SME) for our banking infrastructure. In this role, you will bridge the gap between our mission-critical legacy UNIX environments (AIX/Solaris) and our modern Hybrid-Cloud and Container platforms. You will drive automation initiatives, manage complex migrations, and provide Level 2 escalation support to ensure the highest levels of availability, security, and performance. Duties - Serve a contract assignment under InfoTech's headcount, full-time second to a leading bank; - Subject Matter Expert (SME) & Project Leadership: Act as the Subject Matter Expert (SME) for major banking projects. Drive the planning, design, and implementation of highly available UNIX/Linux and Cloud systems; - Advanced System Engineering: Lead complex system evaluations, capacity planning, performance tuning, and security baseline engineering. Plan and execute large-scale upgrades and migrations for end-of-support hardware/software; - Level 2 Escalation & Troubleshooting: Serve as the highest point of internal technical escalation for complex incidents. Perform deep-dive root cause analysis (Problem Management) and liaise with enterprise vendors (IBM, RedHat, AWS) for critical bug fixes; - Automation & Modernization: Drive infrastructure automation and DevOps practices. Design and implement scripting and configuration management tools (e.g., Ansible, Python) to eliminate manual toil and streamline TD operational procedures; - Cross-Functional Coordination: Provide authoritative technical advice to application development teams, operations staff, and IT management. Ensure seamless technical coordination between Application and Infrastructure teams during large-scale deployments; - Mentorship & Governance: Mentor junior (Level 1) engineers, create technical documentation/runbooks, and ensure all systems strictly adhere to banking regulatory standards and IT policies; - Operational Coverage: Provide Level 2 on-call support for critical banking systems during non-office hours and lead complex weekend change-window implementations. Yrs of Total Post-Quali Exp 8.0 Yrs of Relevant Exp 8.0 Requirements - University degree in Computer Science, Information Technology, or a related discipline; - 8+ years of solid, hands-on enterprise experience in UNIX (IBM AIX / Oracle Solaris) and Linux (RedHat Enterprise Linux) administration and engineering; - Core Infrastructure (Mandatory): Deep expertise in OS internals, performance tuning, patch management, and high-availability clustering in UNIX/Linux environments. Knowledge of Container Management/Orchestration tools (OpenShift, Kubernetes); - Automation (Mandatory): Proven experience in scripting (Bash, Python) and utilizing task automation/configuration management tools (e.g., Ansible, BMC TrueSight); - Cloud & Containers (Highly Preferred): 3-5 years of relevant experience in Cloud platform administration (AWS & GCP). Hands-on experience with Container Management and Orchestration tools (OpenShift / Kubernetes) is a definite advantage. Soft Skills & Attributes: - Exceptional analytical and problem-solving skills with the ability to navigate high-pressure situations (e.g., critical system outages); - Demonstrated ability to lead mid-to-large scale infrastructure projects independently; - Strong stakeholder management skills, capable of translating complex technical issues to IT management and business units; - High risk-awareness tailored to a strictly regulated financial/banking environment; - Excellent command of spoken and written English and Chinese. Preferred Certifications (Optional but advantageous): - Red Hat Certified System Administrator (RHCSA) or Engineer (RHCE); - ITIL Foundation Certification; - Cloud certifications (e.g., AWS Cloud Practitioner). Last Update 21 Oct 2026 Apply To itcareer@infotech.com.hk Direct Line 2836 0363

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