Senior Linux Migration Administration-02

1 month ago

Bangalore, India DXC Technology Full time

Job Description:

Roles and Responsibilities

Install the AIX operating system, filesets, and RedHat Package Manager (RPM) packages Perform system startup and shutdown Discuss and use system management tools such as System Management Interface Tool (SMIT) Manage physical and logical devices Discuss the purpose of the logical volume manager Perform logical volume and file system management Create and manage user and group accounts Perform and restore system backups Utilize administrative subsystems, including cron to schedule system tasks, and security to implement customized access of files and directories Configure TCP/IP networking Configure and conduct Live Kernel Updates on a running AIX LPAR Describe important concepts that are associated with managing POWER processor-based systems, such as logical partitioning, dynamic partitioning, virtual devices, virtual processors, virtual consoles, virtual local area network (VLAN), and shared processors Describe the features of the PowerVM editions Describe the functions provided by the HMC Configure and manage the HMC, including users and permissions, software, start and shutdown, remote access features, network configuration, security features, HMC backup and restore options, and the HMC reload procedure Describe the rules that are associated with allocating resources, including dedicated processors, processing units for Micro-Partitioning, memory, physical and virtual I/O for AIX and Linux partitions Configure and manage LPARs by using the HMC graphical user interface (GUI) and HMC commands Power on and power off the Power Systems server Use the HMC to back up and restore partition data Perform dynamic LPAR operations (DLPAR) Perform system problem determination and reporting procedures that include analyzing error logs, creating memory dumps of the system, and providing needed data to the AIX Support personnel Examine and manipulate Object Data Manager databases Identify and resolve conflicts between the Logical Volume Manager (LVM) disk structures and the Object Data Manager (ODM) Complete a basic configuration of Network Installation Manager to provide network boot support for either system installation or booting to maintenance mode Identify various types of boot and disk failures and perform the matching recovery procedures Implement advanced methods such as alternate disk installation, multibos, and JFS2 snapshots to use a smaller maintenance window Explain key NIM concepts and terminology Display NIM-related information Set up a NIM master Perform a base AIX (RTE) install Define and use several types of NIM objects Perform an automated install Create and use mksysb resource Maintain lpp_source and SPOT resources Update NIM clients

• 8 -12 years of experience in AIX administration at small and medium scale environments.

• Troubleshooting database, application, and services on AIX.

• Extensive AIX networking knowledge.

• Expert in installation, administration, maintenance, and troubleshooting of AIX servers.

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