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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:

  • Users account and security performed.
  • Password aging configured on servers.
  • File systems management and host security performed.
  • Archive, compress, unpack and uncompressed files using tar, gzip and bzip2.
  • Configure and troubleshoot TCP/IP, DHCP, DNS; NFS, CIFS.
  • Packages installed and managed using YUM.
  • SElinux. and NTP configured.
  • Deploy servers to network.

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