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
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