OS administration, Linux administration - Hyderabad / Secunderabad, Telangana - confidential

    confidential
    confidential Hyderabad / Secunderabad, Telangana

    1 day ago

    Full time
    Description

    Key Responsibilities:

    • 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.

    Requirements:

    • 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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