Linux Engineer

Position Summary: We are seeking a skilled Linux Engineer to design, implement, and support enterprise Linux-based infrastructure across data center environments. The role focuses on RHEL/Linux system administration, automation, performance tuning, and platform reliability while supporting mission-critical systems. The ideal candidate will have strong hands-on experience in Linux platforms, infrastructure automation, and enterprise operations, with the ability to operate in a fast-paced, production-critical environment. Key Responsibilities: Install, Configure, Harden, Patch, and Maintain Linux systems (primarily RHEL-based distributions) Perform OS tuning, performance optimization, and capacity planning Ensure system security compliance (CIS benchmarks, patching, vulnerability remediation) Manage Linux systems across development, testing, and production environments Provide Level 3 support for Linux-related incidents and issues and support high availability and disaster recovery configurations Develop and maintain automation using Ansible, Bash, and Python as well as 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 Monitor system health, logs, and performance using enterprise monitoring tools and troubleshoot system bottlenecks, kernel issues, and application dependencies Working knowledge of Zabbix for infrastructure monitoring, alert management, and performance monitoring. Support physical server infrastructure including installation and maintenance Coordinate with vendors and internal teams for hardware-related issues Maintain documentation of system configurations, procedures, and runbooks and ensure compliance with internal policies, security standards, and audit requirements Technical Requirements: Degree in computer science/Information Technology Minimum 5+ years of experience in IT Infrastructure Engineer role supporting critical system Experience in developing Infrastructure Automation using Ansible and shell scripting and working in large-scale production environments 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 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. ITIL Certification is an added advantage.