Linux Administrator

Linux Administrator

Job Summary

The Linux Administrator is responsible for
supporting, maintaining Linux-based systems. The role handles day-to-day
operations, complex troubleshooting, automation, and system improvements while
ensuring security, performance, and availability.

Key Responsibilities

System Administration & Operations

• Install,
  configure, and maintain Linux servers (RHEL, CentOS, Ubuntu, Suse, Oracle
  VM).
• Perform
  user and group management, permissions, and Sudo access.
• Monitor
  system health, logs, disk usage, and performance.
• Apply
  OS patching, updates, and kernel upgrades.
• Manage
  system services (systemd, cron, rsyslog).
• Handle
  incidents, service requests, and problem tickets.

Troubleshooting skills

• Perform
  advanced troubleshooting and root cause analysis.
• Resolve
  complex OS, performance, and application-related issues.
• Tune
  system performance (CPU, memory, I/O).
• Lead
  incident resolution and support major outages.

Security & Compliance

• Implement
  OS hardening and security best practices.
• Manage
  SELinux, firewalld, iptables, and SSH security.
• Support
  vulnerability remediation and security audits.
• Ensure
  compliance with enterprise security standards.

Storage, Backup & DR

• Manage
  file systems (LVM, ext4, xfs).
• Configure
  and support NFS, Samba, and iSCSI.

Networking

• Configure
  network interfaces, bonding, VLANs, and routing.
• Troubleshoot
  DNS, NTP, firewall, and connectivity issues.
• Support
  load balancers and reverse proxies (Nginx, HAProxy).

Automation & Tools

• Develop
  and maintain Bash scripts for automation.
• Implement
  and maintain Ansible playbooks.
• Improve
  operational efficiency through automation.
• Use
  monitoring tools (Prometheus, Grafana, SolarWinds ).

Virtualization & Cloud

• Support
  Linux systems on VMware, Hyper-V or any virtualisation platform.

Documentation & Collaboration

• Maintain
  system documentation, SOPs, and build guides.

Required Skills & Qualifications

Technical Skills

• 4–5
  years of hands-on Linux administration experience.
• Strong
  experience with RHEL-based Linux systems.
• Good
  scripting and automation skills.
• Solid
  understanding of networking and security concepts.
• Experience
  in enterprise or data center environments.

Preferred Certifications

• RHCSA
  / RHCE
• LFCS
  / LFCE
• ITIL
  Foundation (optional)

Please provide 5-6 CVs ASAP