Linux Administrator

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  Install, configure, maintain, and troubleshoot Linux servers.
  
  

  
  


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  Manage Linux distributions such as Ubuntu, Red Hat Enterprise Linux (RHEL), CentOS, Rocky Linux, and Debian.
  
  

  
  


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  Monitor server performance, CPU utilization, memory, disk space, and system logs.
  
  

  
  


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  Perform regular system updates, security patches, and OS upgrades.
  
  

  
  


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  Manage users, groups, file permissions, and access controls.
  
  

  
  


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  Configure and maintain services such as SSH, DNS, DHCP, FTP/SFTP, NFS, and web servers.
  
  

  
  


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  Troubleshoot server, network, application, and operating system issues.
  
  

  
  


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  Manage storage, partitions, file systems, LVM, and disk utilization.
  
  

  
  


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  Implement server security measures, firewall configurations, and access policies.
  
  

  
  


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  Perform system backups, restoration, and disaster recovery activities.
  
  

  
  


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  Automate routine administrative tasks using Bash or Shell scripting.
  
  

  
  


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  Configure and maintain cron jobs and scheduled tasks.
  
  

  
  


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  Support virtualization and cloud-based Linux environments.
  
  

  
  


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  Maintain technical documentation, SOPs, and incident reports.
  
  

  
  


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  Coordinate with networking, development, and security teams to resolve infrastructure issues.
  
  

  
  

Requirements

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  Bachelor's degree in Computer Science, Information Technology, or a related field.
  
  

  
  


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  2–5 years of experience in Linux system administration.
  
  

  
  


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  Strong hands-on knowledge of Linux operating systems and command-line tools.
  
  

  
  


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  Experience in server installation, configuration, monitoring, and troubleshooting.
  
  

  
  


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  Good understanding of TCP/IP, DNS, DHCP, SSH, HTTP/HTTPS, and networking fundamentals.
  
  

  
  


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  Knowledge of Linux file systems, LVM, RAID, and storage management.
  
  

  
  


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  Experience with Bash/Shell scripting and task automation.
  
  

  
  


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  Understanding of Linux security, firewalls, SELinux, and access permissions.
  
  

  
  


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  Familiarity with system monitoring tools such as Nagios, Zabbix, or Prometheus.
  
  

  
  


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  Knowledge of web servers such as Apache and Nginx.
  
  

  
  


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  Experience with package management tools such as YUM, DNF, and APT.
  
  

  
  


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  Strong analytical, troubleshooting, and problem-solving skills.