Job Overview
We are seeking a highly experienced Senior UNIX Support Engineer to support mission-critical AIX platforms within banking and government environments. This role involves managing OS lifecycle, leading End-of-Support (EOS) upgrades, and ensuring high availability, security, and compliance with organizational and regulatory standards.
The ideal candidate will have strong experience in production support environments, with a focus on system stability, automation, and adherence to ITIL processes and security policies.
Key Responsibilities
* Lead and manage AIX OS End-of-Support (EOS) upgrades across critical systems
* Collaborate with application, infrastructure, and security teams to ensure seamless upgrade planning and execution
* Define and enforce UNIX system configuration standards and governance policies, aligned with organizational and regulatory requirements
* Ensure systems meet availability, performance, resilience, and security standards
* Provide L2/L3 production support, including incident, problem, and change management in line with ITIL framework
* Perform root cause analysis (RCA) for major incidents and implement preventive measures
* Drive system recovery and service restoration with urgency in high-impact scenarios
* Automate operational processes using Perl, KSH, and Python scripting
* Manage and support DevOps and automation tools such as Git/GitHub, Jenkins, Docker, Kubernetes, Ansible, Puppet, Chef, and monitoring tools like Nagios
* Lead system performance tuning and capacity planning initiatives
* Review and govern change requests, ensuring compliance with internal controls and audit requirements
* Manage backup, recovery, and disaster recovery processes in accordance with business continuity plans
* Ensure timely patching, upgrades, and vulnerability remediation for OS and system software
* Support security audits, compliance checks, and regulatory reporting requirements
Key Deliverables
* Successful and compliant delivery of AIX OS upgrade and lifecycle management
* High system availability, stability, and performance in production environmentsImplementation of automation solutions to reduce manual effort and operational risk
* Compliance with security, audit, and regulatory standards (e.g., MAS guidelines, internal IT policies)
Requirements
* Minimum 5 years of hands-on experience in UNIX system support, with strong expertise in AIX
* Proven experience in banking, financial services, or government project environments
* Strong knowledge of AIX system administration, including volume management, file systems, clustering, NTP, DNS, SSH, and monitoring tools (e.g., TSM, ITM)
* Experience in production support (L2/L3) with exposure to incident, problem, and change management
* Solid experience in UNIX troubleshooting, performance tuning, and system optimization
* Hands-on experience with server clustering and high-availability environments
* Familiarity with DevOps tools and CI/CD pipelines
* Good understanding of IT security, vulnerability management, and compliance standards
* Knowledge of networking and data communication concepts
* Experience supporting middleware and enterprise applications on UNIX platforms is an advantage
* Regional support experience is preferred
Preferred Skills & Competencies
* Strong understanding of ITIL processes and service management best practices
* Ability to work in high-pressure, mission-critical environments
* Strong analytical, troubleshooting, and problem-solving skills
* Excellent stakeholder management and communication skills
* Proactive, detail-oriented, and able to work independently
* Please note this is a shift-based role.
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