01Key Responsibilities
Linux/Unix Administration: Install, configure, optimize, and maintain enterprise Linux (Red Hat Enterprise Linux, Oracle Linux) and Unix system environments.
CI/CD Pipeline Support: Collaborate with development teams to support underlying automation systems and manage continuous deployment execution using Jenkins.
Security & Compliance Hardening: Remediate kernel-level and OS-level vulnerabilities, execute regular compliance audits, and close all VA/PT findings according to the Banks strict Secure Configuration Document (SCD) standards.
Patch & Lifecycle Management: Maintain centralized patch repositories (e.g., Red Hat Satellite / Yum / Zypper) and execute non-disruptive kernel patching and OS migrations.
Performance Tuning & Sizing: Troubleshoot complex OS issues, file-system degradation, storage volume bottlenecks (LVM), and optimize configurations to guarantee resource utilization stays below 70%.
Disaster Recovery: Proactively manage systems monitoring and alerting setups, execute root cause analyses for production incidents, and maintain system resilience during DR drill windows.
Technical Skillset Required:
Advanced expertise in Enterprise Linux (RHEL, OEL) and Unix system architectures.
Proficiency in Shell scripting (Bash/Korn) and automation scripting (Ansible/Python).
Strong knowledge of Linux networking, storage multipathing, LVM configuration, and Jenkins integration. .