Linux System Administrator

Job Summary:

The Linux System Administrator is responsible for installing, configuring, and maintaining Linux-based servers and systems. This role ensures system reliability, security, and performance, while supporting business-critical infrastructure and resolving technical issues in a timely manner.

Key Responsibilities:

• Install, configure, and maintain Linux servers (Red Hat, CentOS, Ubuntu, etc.)
• Monitor system performance and troubleshoot hardware, software, and network issues
• Perform regular system updates, patch management, and security hardening
• Manage user accounts, permissions, and system resources
• Configure and maintain system backups and disaster recovery solutions
• Automate tasks using shell scripting and configuration management tools
• Maintain system documentation, logs, and audit trails
• Collaborate with network, security, and application teams to support IT operations
• Monitor system availability and ensure adherence to SLAs
• Participate in on-call rotation and provide support for incidents and maintenance activities

Required Skills and Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or related field
• 3+ years of experience in Linux system administration
• Proficient with Linux distributions such as RHEL, CentOS, or Ubuntu
• Strong knowledge of shell scripting and command-line tools
• Experience with system monitoring tools (e.g., Nagios, Zabbix) and log management
• Familiarity with security practices, firewalls, and SELinux configurations
• Good problem-solving, documentation, and communication skills

Preferred Qualifications:

• Linux+ or RHCSA/RHCE certification
• Experience with cloud platforms (AWS, Azure, GCP)
• Knowledge of Ansible, Puppet, or Chef for configuration management
• Familiarity with containerization tools like Docker and Kubernetes
• Understanding of virtualization technologies (VMware, KVM)