Linux Admin

1 week ago

Sydney, New South Wales, Australia Reninfo.Com Full time

**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.
- System Administration of Linux (Red Hat Enterprise Linux 5/6/7/8 and Centos 5/6/7) and and AIX 6.1/7.1
- System Installation and configuration of Red Hat Operating Systems in Physical Environment
- Ansible server management.
- Automating day to day activities using Ansible playbooks
- Redhat & Centos 6/7 Server patching through Ansible playbooks
- Writing bash shell script to automate the day to day activities
- Server hardening
- Server performance monitoring and troubleshooting
- Managing power path devices in Red Hat servers and AIX servers
- LUN addition and File system management in Red Hat and AIX servers.
- Multipath issue troubleshooting
- Managing BCV environments for AIX servers
- Configuring Oracle ASM disks
- Creating File system and configure to available network through NFS and Autofs configuration.
- Disk management using standard partition type and Logical Volume Management.
- Installing Linux Kernel and Non-kernel Patches
- Puppet Management (Master/Slave setup)
- Performed routine task such as adding, modifying and deleting user accounts in command line, checking log files and monitoring system process on Linux Servers.
- Providing the security to the system by controlling remote access, ftp users, and setting file permissions and ACL's to the files and directories.
- Configuring Secure SSH using key based authentication for remote login administration purpose.
- Install, configure and managing the Samba server integrated with Windows AD for authentication and editing configuration file according to client's requirements.
- FTP Server Administration.
- Configuring NFS servers and managing clients
- Configuring yum for installing and updating packages
- RPM package installation and configuration
- Managing DNS servers and troubleshooting.
- Scheduled backup and daily server's health checkup using shell scripting.
- Scheduling jobs using cron and at schedulers.
- Using Squid Proxy server integrated with squid Guard to restrict the internet access as per client requirements for reduce loading of internet access.
- Generating squid proxy reports on monthly basis and sharing to the customer.
- Nagios monitoring tool configuration and Administration
- CUPS Printer management in Red Hat servers
- Support activities in HP Proliant servers and IBM power hardwares
- Working Knowledge on HMC and HP ILO consoles
- Working with vendors on hardware failures
- Zabbix monitoring tool management
- Creation and migration of Linux virtual machines in VMware

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