Linux Admin
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Position: Linux Admin
Experience: 4 to 12 years
Location: Trivandrum

JOB DESCRIPTIO N

We are seeking an experienced Linux Administrator (L2/L3) to manage, support, troubleshoot, and optimize enterprise Linux environments. The candidate will be responsible for administration of Red Hat Enterprise Linux (RHEL), CentOS, and related infrastructure services. The role requires expertise in system performance tuning, automation, troubleshooting, security hardening, patch management, and support for mission-critical production environments.

Key Responsibilities




Linux System Administration
- Install, configure, administer, and maintain Linux servers.
- Perform system monitoring, troubleshooting, and performance tuning.
- Manage user accounts, groups, permissions, and access controls.
- Configure and maintain file systems, LVM, NFS, and storage solutions.
- Perform OS upgrades, migrations, and patch management activities.
- Ensure high availability and system reliability.

Incident & Problem Management
- Handle L2/L3 escalation tickets and critical incidents.
- Perform root cause analysis (RCA) for recurring issues.
- Troubleshoot OS, kernel, network, and application-related problems.
- Coordinate with application, database, network, and security teams.

Security & Compliance
- Implement Linux security best practices and hardening standards.
- Manage firewall configurations (iptables/firewalld).
- Monitor security vulnerabilities and apply remediation measures.
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