- Install, configure, and maintain Linux operating systems, including CentOS, Red Hat, Ubuntu, and Debian.
- Manage and monitor system performance, including CPU, memory, disk, and network usage.
- Perform system backups, restore operations, and disaster recovery procedures.
- Implement, configure, and manage various system services, such as SSH, NFS, DNS, HTTP, FTP, and others.
- Ensure system security through the application of security patches, firewalls, SELinux/AppArmor, and monitoring of intrusion detection systems (IDS).
- Perform system health checks and tune systems for optimal performance.
- Automate routine tasks using shell scripting (Bash, Python, etc.) or configuration management tools (Ansible, Puppet, Chef).
- Troubleshoot and resolve system, application, and network issues promptly.
- Collaborate with application developers and network engineers to support infrastructure needs.
- Monitor system logs, analyze errors, and escalate unresolved issues to senior engineers when necessary.
- Provide support for server-related software installation, upgrades, and patches.
- Document system configurations, procedures, and troubleshooting steps.
- Set up and maintain user accounts, permissions, and system access controls.
- Ensure compliance with internal policies, security standards, and regulatory requirements.
- Participate in on-call rotation for after-hours support and emergency troubleshooting.
- Assist with cloud-based system management (AWS, Azure, etc.) as needed.
- Education: Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent work experience.
- Experience: Minimum 3-5 years of experience in Linux system administration or a similar role.
- Technical Skills:
- Strong hands-on experience with Linux distributions (Red Hat, CentOS, Ubuntu, Debian, etc.).
- Proficiency in managing system services and performing system monitoring using tools like Nagios, Prometheus, or Zabbix.
- Experience with automation tools such as Ansible, Puppet, Chef, or similar.
- Strong scripting skills in Bash, Python, or Perl for automation and troubleshooting.
- Knowledge of system performance tuning and optimization techniques.
- Familiarity with containerization technologies such as Docker, Kubernetes, and OpenShift.
- Basic networking knowledge (TCP/IP, DNS, DHCP, VPNs, etc.).
- Strong experience in security management, including firewalls, SELinux/AppArmor, and intrusion detection.
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OS administration, Linux administration - Hyderabad / Secunderabad, Telangana - confidential
Description
Key Responsibilities:
Requirements:
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