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Senior System Support Specialist (Linux / Unix) (HK$45K - $65K) (Ref. No.: 27917)

Our client, a Leading Consumer Bank, is looking for high-caliber person to fill the position.

Job Duties

  • 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 largescale 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.

Job Requirements

Academic & Professional Qualifications:-

  • 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 highpressure 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)
Job No.:
27917
Date:
16/10/2026
Job Category:
Information Technology / Telecom
Salary:
$Neg.
Qualification:
Degree
Apply Email:
[email protected]

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