Linux Admin

Red Hat Linux 5/6/7/8, Centos 5/6/7 and AIX 6.1/7.1 Ansible server management. Puppet Management Bash Scripting HP, Cisco, IBM and Dell Hardware’s IT Service Management (ITSM) based on ITIL best practices. Nagios & Zabbix monitoring tool VMWare virtualization. Job Description: 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 Ansible server management. 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 hardening 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 Multipath issue troubleshooting Ø Managing BCV environments for AIX servers Ø Configuring Oracle ASM disks 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 FTP Server Administration. Ø Configuring NFS servers and managing clients Ø Configuring yum for installing and updating packages Ø RPM package installation and configuration Ø Managing DNS servers and troubleshooting. Ø Scheduled backup and daily server’s health checkup using shell scripting. Ø Scheduling jobs using cron and at schedulers.

Ø Using Squid Proxy server integrated with squid Guard to restrict the internet access as per client requirements for reduce loading of internet access. Ø Generating squid proxy reports on monthly basis and sharing to the customer. Ø Nagios monitoring tool configuration and Administration Ø CUPS Printer management in Red Hat servers Ø Support activities in HP Proliant servers and IBM power hardwares Ø Working Knowledge on HMC and HP ILO consoles Ø Working with vendors on hardware failures Ø Zabbix monitoring tool management Ø Creation and migration of Linux virtual machines in VMware