Key Responsibilities:
Linux System Administration:
Install, Configure, Harden, Patch, and maintain Linux systems (primarily RHEL-based distributions)
Perform OS tuning, performance optimisation, and capacity planning
Ensure system security compliance (CIS benchmarks, patching, vulnerability remediation)
Infrastructure Operations:
Manage Linux systems across development, testing, and production environments
Provide Level 3 support for Linux-related incidents and issues
Support high availability and disaster recovery configurations
Automation & DevOps:
Develop and maintain automation using Ansible, Bash, and Python
Automate provisioning, patching, and configuration management workflows
Working knowledge of BigFix for endpoint management, patch deployment, software distribution and compliance reporting.
Continuously improving system efficiency through infrastructure-as-code practices
System Monitoring & Reliability:
Monitor system health, logs, and performance using enterprise monitoring tools
Troubleshoot system bottlenecks, kernel issues, and application dependencies
Ensure high system availability and uptime
Working knowledge of Zabbix for infrastructure monitoring, alert management, and performance monitoring.
Hardware & Platform Support:
Support physical server infrastructure, including installation and maintenance
Coordinate with vendors and internal teams for hardware-related issues
Documentation & Compliance:
Maintain documentation of system configurations, procedures, and runbooks
Ensure compliance with internal policies, security standards, and audit requirements
Requirements:
Degree in computer science/information technology
Minimum 4 years of experience in IT Infrastructure Engineer role supportingcritical system
Experienced in developing infrastructure automation using Ansible and shell scripting.
Strong hands-on expertise in RHEL / Linux (LVM, Networking, Kernel tuning)
Experience with configuration management tools (Ansible preferred)
Proficiency in shell scripting (Bash) and familiarity with Python
Experience working in large-scale production environments
Familiarity with containers (Docker/Kubernetes) is a plus
Understanding of security hardening and compliance standards
Red Hat certification (RHCSA/RHCE) is highly desirable
Ability to provide 24x7 support and handle standby/on-call support whenever needed.
Strong working knowledge of the banking environment.
Experience with MAS TRM Guidelines and PCI-DSS security compliance requirements will be an added advantage.
Soft Skills:
Strong problem-solving skills and the ability to troubleshoot complex issues.
Excellent communication and collaboration skills.
Ability to work independently and as part of a team.
Detail-orientated with strong documentation skills.
Self-motivated and possesses strong analytical skills, sharp and meticulous.
Strong interpersonal skills and good time management skills.
ITIL certification is an added advantage
ICON OUTSOURCING