Linux System Administrator III NCR Corporation

5 - 8 years

7 - 10 Lacs

Mumbai

Work from Office

Key Responsibilities: System Installation and Maintenance: Install, configure, and maintain Linux RHEL (9x, 8x, 7x, 6x) and OL (6x, 7x, 8x, 9x) operating systems. Performance Monitoring and Troubleshooting: Monitor system performance, detect, diagnose, and resolve issues related to servers, hardware, applications, and software. Routine Administration: Perform user management, file system management, backup/restore operations, and administer disk, volume groups, LVM, NFS, and automount. System Upgrades and Patching: Implement system upgrades, patches, and handle post-patching issues, following best practices and change management procedures. Security and Vulnerability Management: Remediate vulnerabilities, manage firewalls (IPTABLES), and configure KDUMP for crash/kernel dump analysis. Networking: Manage IP networking, static routing, and protocols such as FTP, SSH, SMTP, DNS, HTTP/S, DHCP, and Syslog logging. Automation and Configuration Management: Use tools like Puppet, Ansible, or equivalent for automation and configuration management. Monitoring and Documentation: Utilize SNMP-based monitoring, document system configurations, procedures, and troubleshooting steps. Virtualization and Storage: Manage VMWare vSphere, NAS configuration, SAN and NAS storage, and multipathing. Incident and Problem Management: Participate in on-call rotations, respond to system emergencies, and provide RCAs on P1 tickets. Collaboration and Vendor Coordination: Work with other IT teams to resolve cross-functional issues, ensure seamless integration with other systems, and coordinate with hardware vendors (HP ProLiant, Dell PowerEdge). Email Administration: Troubleshoot mail issues (mailx, sendmail) and manage client-side LDAP configurations. Qualifications: Education : Bachelors degree in computer science information technology or equivalent stream. Certifications : Relevant certifications such as CompTIA Linux+, Red Hat Certified System Administrator (RHCSA), or LPIC-1 are required. Requirements: Experience: 5 years of proven experience as a System Administrator in a similar role. Technical Skills: Strong understanding of Unix/Linux operating systems, scripting, and associated technologies. Additional Skills: Strong problem-solving skills, experience with performance tuning, and optimizing server configurations.

Posted 2 months ago

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