Unix/Linux System Administrator Resume

SUMMARY:

Unix/Linux System Administrator with about 7 years of experience in a multiplatform environment with hands - on experience in the administration and management of Solaris 10 operating systems and Red Hat Enterprise Linux 6 & 7, Centos 6 & 7.
Solid background in systems and software installation, user and group administration, role-based access control, file transfer and sharing; competent in file systems, volume and storage management, patch management and others.
Experience in connecting Linux systems to single sign on Lightweight Directory Access Protocol (LDAP) server Experience with Virtualization (VMware ESXi; Oracle Virtual Box).
Experience in installation and configuration of Apache HTTPD.
Experience in regular system backup & recovery.
Experience in creation and management of users account and groups.
Experience in management and security of files and directories in Unix/Linux system.
Experience in configuration of sudoers, SElinux and kickstart and troubleshooting.
Experience in configuration of TCP/IP, DHCP, NTP, NFS, SAMBA, and CIFS.
Experience in configuration of RAID.
Experience in Live update of Solaris.
Experience in Solaris’s zone (global zone and non global zone).
Experience in bash shell script and interactive statement script writing.
Experience in ansible automation (ad-hoc, playbook).
Adaptable, collaborative, strong team player, detail oriented, ability to multitasking, ability to work within strict deadlines and with a wide spectrum of people.

EXPERIENCE:

Confidential

Unix/Linux System Administrator

Responsibilities:

Build, Install and configure virtual and physical servers, test, and deploy Solaris 10, RHEL 6&7, CentOS 6&7 servers to the network.
Monitoring and log management on Unix/Linux and servers, including processes, crash and swap management, with password recovery and performance turning.
Connecting to Single Sign on LDAP (Lightweight Directory Access Protocol) server and configure Auto-mount.
Patch and upgrade (release) on test servers (test environment) and on production servers (production environment).
Setup, configure and troubleshoot TCP/IP, DHCP, DNS; NFS, CIFS, and SAMBA servers in a multiplatform Local Area Network (LAN).
Configure static IP address, Hostname, DNS, Default Gateway.
Manage users and groups account, reset and recover password.
Configure Sudo in Linux.
Install and configure httpd apache webserver.
Manage files system LVM (Logical Volume Management) in Red Hat and ZFS (Zettabyte File System) in Solaris.
Creation and configuration of non-global zone in Solaris,
Troubleshoot Solaris 10, Red Hat Enterprise Linux 6&7 and CentOS 6&7 issues in hardware and software related and configuration issues.
Virtualization (VMware ESXI).
Perform backup and recovery of servers using NetBackup
Experience with ticketing tool ServiceNow.
Bash shell scripts writing.
Create and configure global and non-global zone in Solaris.
Open or close ports using firewall commands.
/var/log/messages full alert.
Member of on call support team.

Confidential

Unix/Linux System Administrator

Responsibilities:

Introduced RHEL 6 & 7, centOS 6 & 7 servers to the network: Operating System installation and configuration- standard and advanced (net installation, jumpstart and Kickstart).
Set up, configured and troubleshot TCP/IP, DHCP, DNS; NFS, CIFS, and Samba servers in a multiplatform LAN.
Archived, compressed, unpacked and uncompressed files using tar, gzip and bzip2.
Managed the system time and configure the chronyd service to work with NTP.
Changed password and adjust password aging for local user account.
Managed and monitored backup and recovery systems using NetbBackup.
Performed files system management using LVM.
Installed and Administered patches and updates to help improve performance.
Managed users account and security.
Set enforcing, permissive modes for SElinux.
Created and managed Access Control List (ACL) for users or groups.
Installed and updated software packages from Red Hat Network, remote repository or local file system using YUM or RPM.
Managed repositories and configure a local repository.
Experienced with ticketing tool ServiceNow.
Managed, monitored and tested backup and recovery of servers.

Confidential

Linux Systems Administrator

Responsibilities: