Linux Admin

Responsibilities

• Ø HP, Cisco, IBM and Dell Hardware's
• Ø IT Service Management (ITSM) based on ITIL best practices.
• Ø VMWare virtualization.
• Ø System Administration of Linux (Red Hat Enterprise Linux 5/6/7/8 and Centos 5/6/7) and and AIX 6.1/7.1
• Ø System Installation and configuration of Red Hat Operating Systems in Physical Environment
• Ø Managing HP, Dell and Cisco Hardware's and applying BIOS upgrades.
• Ø Automating day to day activities using Ansible playbooks
• Ø Redhat & Centos 6/7 Server patching through Ansible playbooks
• Ø Writing bash shell script to automate the day to day activities
• Ø Server performance monitoring and troubleshooting
• Ø Managing power path devices in Red Hat servers and AIX servers
• Ø LUN addition and File system management in Red Hat and AIX servers.
• Ø Creating File system and configure to available network through NFS and Autofs configuration.
• Ø Disk management using standard partition type and Logical Volume Management.
• Ø Analyzing security vulnerabilities and applying fixes for Red Hat servers
• Ø Installing Linux Kernel and Non-kernel Patches
• Ø Puppet Management (Master/Slave setup)
• Ø Performed routine task such as adding, modifying and deleting user accounts in command line, checking log files and monitoring system process on Linux Servers.
• Ø Providing the security to the system by controlling remote access, ftp users, and setting file permissions and ACL's to the files and directories.
• Ø Configuring Secure SSH using key based authentication for remote login administration purpose.
• Ø Install, configure and managing the Samba server integrated with Windows AD for authentication and editing configuration file according to client's requirements.
• Ø Configuring NFS servers and managing clients
• Ø Configuring yum for installing and updating packages
• Ø RPM package installation and configuration