Linux Engineer

Job Summary

We are looking for an experienced Linux Engineer (L2/L3) to manage, maintain, secure, and troubleshoot enterprise Linux server environments. The role will be responsible for server administration, patching, hardening, performance optimization, lifecycle management, automation, and advanced technical support.

Key Responsibilities

• Administer and maintain enterprise Linux servers across development, test, and production environments.
• Install, configure, patch, and upgrade Linux operating systems.
• Perform L2/L3 troubleshooting and resolve complex server issues.
• Monitor server performance, availability, capacity, and system health.
• Perform system hardening in accordance with security standards.
• Manage users, groups, permissions, sudo policies, and authentication.
• Configure and troubleshoot system services and networking components.
• Manage package installation, updates, repositories, and dependencies.
• Support Linux server lifecycle, upgrades, migrations, and decommissioning.
• Perform root-cause analysis for recurring infrastructure issues.
• Develop and maintain automation scripts using Bash, Python, or similar tools.
• Support virtualization and cloud-based Linux environments where required.
• Monitor logs and investigate system and application-level issues.
• Implement security patches and remediation activities.
• Maintain system documentation, operational procedures, and runbooks.
• Participate in disaster recovery, business continuity, and infrastructure projects.
• Collaborate with network, security, storage, application, and Windows teams.

Required Qualifications & Experience

• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 4–7 years of experience in Linux system administration or engineering.
• Strong hands-on experience with Red Hat Enterprise Linux (RHEL) or equivalent distributions.
• Strong knowledge of Linux system administration and troubleshooting.
• Experience with patching, hardening, monitoring, and performance optimization.
• Good understanding of TCP/IP, DNS, SSH, NTP, storage, and Linux networking.
• Experience with Bash scripting and automation.
• Knowledge of virtualization and enterprise infrastructure environments.
• Experience working in production environments with high availability requirements.

Preferred Certifications

• RHCSA
• RHCE
• Linux Foundation certification
• Relevant vendor Linux certification

Key Skills

• Linux / RHEL
• System Administration
• Server Hardening
• Patching & Lifecycle Management
• Performance Monitoring
• Bash / Shell Scripting
• Troubleshooting
• Networking
• Storage
• Virtualization
• Automation
• Incident & Problem Management