Linux Administrator-banking domain Full Time

• Perform OS-level security patching in accordance with CIS Benchmarks and DISA STIG standards is MUST
• Implement kernel hardening and SELinux policy configuration/enforcement to strengthen system security is MUST
• Manage and automate patch deployment using tools such as Ansible, Red Hat Satellite, or equivalent platforms is MUST

Job Summary

We are seeking an experienced Linux Administrator to manage, maintain, and secure enterprise Linux environments. The ideal candidate will be responsible for OS-level security patching, system hardening, configuration management, and automation of routine administrative tasks. The role requires expertise in maintaining highly available, secure, and business-critical Linux systems while ensuring minimal downtime during updates and maintenance activities.

Key Responsibilities

• Administer and maintain Linux-based servers across production and non-production environments.
• Perform OS-level security patching in accordance with CIS Benchmarks and DISA STIG standards.
• Implement kernel hardening and SELinux policy configuration/enforcement to strengthen system security.
• Manage and automate patch deployment using tools such as Ansible, Red Hat Satellite, or equivalent platforms.
• Monitor system performance, availability, and security compliance.
• Ensure minimal downtime and service disruption during maintenance and patching activities.
• Troubleshoot and resolve operating system, performance, and security-related issues.
• Maintain system documentation, patching schedules, and compliance reports.
• Collaborate with infrastructure, security, and application teams to support business requirements.
• Conduct system audits and remediation activities to ensure compliance with organizational security standards.
• Develop and maintain automation scripts for routine administration and operational tasks.

Required Skills & Qualifications

• 5–8 years of experience in Linux system administration.
• Strong hands-on experience with Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, Ubuntu, or similar distributions.
• Experience implementing and maintaining CIS Benchmarks and DISA STIG compliance standards.
• Strong knowledge of Linux kernel hardening, system security, and SELinux administration.
• Hands-on experience with Ansible, Red Hat Satellite, or other patch orchestration and configuration management tools.
• Proficiency in shell scripting (Bash, Python, or similar scripting languages).
• Experience with system monitoring, log analysis, and troubleshooting.
• Knowledge of networking fundamentals, storage systems, and Linux security best practices.
• Red Hat certifications such as Red Hat Certified Engineer (RHCE), Red Hat Certified System Administrator (RHCSA), Linux Foundation Certified SysAdmin

Skills: bank,red hat,linux