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Linux System Administrator Resume

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Charlotte, NC

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SUMMARY

  • A highly knowledgeable and results - oriented IT professional and demonstrated ability to work independently or cooperatively as part of a team.
  • A highly motivated and ambitious individual able to give timely and accurate advice, guidance, support, and training to team members and individuals.
  • Having a proven ability to lead by example, consistently hit targets, improve best practices and organize time efficiently.
  • 9.5 years of experience as Linux Administrator.
  • Provided on call 24X7 production support.
  • Consistent learning in the IT field keeping up with the latest technologies.
  • Participated in high severity tech call.
  • Experience with AWS.
  • Detail-oriented, multi-tasker with strong organizational skills.
  • Extensive hands on experience with RHEL 6.
  • Extensive knowledge of VMware 5.5 and 6.0.
  • Strong troubleshooting and problem-solving skills.
  • Proficient in utilizing hardware systems: IBM, HP, ZT, Super Micro.

PROFESSIONAL EXPERIENCE

Confidential, Charlotte, NC

Linux System Administrator

Responsibilities:

  • Installation, setup and configuration of RHEL, CentOS and VMware Virtual Infrastructure products in different hardware are in a datacenter environment.
  • Providing Development, QA and Production support for the RHEL.
  • Participated in high incident tech call for all critical applications.
  • Perform standard system administration tasks, such as patching, software and hardware upgrades, troubleshooting and problem resolution.
  • Participated in developing long-term Linux/RHEL strategies for the enterprise environment to stay current with technology and provide the required functionality to the organization.
  • Create users with limited and full root privileges, create and manage sudoers.
  • Perform day to day Linux administration such as user accounts, logon scripts, directory services, file system shares, permissions, and etc.
  • Used vMotion to move the VM when necessary.
  • Proficient in VMware Datacenter and its hierarchy.
  • Familiar with HA and fault tolerance.
  • Worked with storage teams to configure LVM using EMC SAN, NAS and iSCSI configuration.
  • Set up and maintain Domain Names System (DNS) servers.
  • Install and configure various services like DHCP, NFS, NIS, Samba, SSH, Telnet, HTTP, Yum Repositories.
  • Familiar with System logs.
  • Set up NFS and Samba File sharing on Linux and Windows servers.
  • Strong understanding of underlying VMware ESX Hypervisor Architecture.
  • Utilized cloud watch to monitor resources such as EC2, CPU, Memory set alarms for notification.
  • Documented instances, system configuration, OS, and process.
  • Used vCenter to create new VM, Cloning and deployment of VM’s from templates.
  • Proficient in using AWS EC2, EBS, S3, VPC etc.
  • Created VPC, Subnets, Route tables, Internet Gateways, Security Groups.
  • Created Windows AD instance in EC2 for Windows Software deployment team.
  • Created Linux instance for Linux team.

Confidential

Linux System Administrator

Responsibilities:

  • Designed, set up, installed, configured and performed administration of RHEL servers.
  • Setup and configured HP Blades, HP ProLiant servers in a datacenter environment.
  • Provided production support for the RHEL infrastructure.
  • Available on call 24x7 on rotational basis.
  • Participated in high severity incident tech call for platinum and gold applications.
  • Setup automated installs for Linux servers using Kickstart.
  • Setup NFS and Samba File sharing setup on Linux and Windows servers.
  • Used VMware P2V to migrate from physical to virtual.
  • Setup and configured Apache in RHEL servers.
  • Installed, configured and managed VMware infrastructure (ESXi, Virtual center)
  • Configured virtual switches, network interfaces, port groups.
  • Patched operating systems, applications, and equipment firmware.
  • Configured all the servers and servers to synchronize with the NTP Server.
  • Monitored and tuned the system to achieve optimum performance levels.
  • Hardened Internet facing systems to provide maximum availability and security.
  • Managed systems, processes, and procedures tied to day-to-day and long-term facility maintenance, repair, and operations.
  • Implemented and supported FTP, VSFTP, SFTP, DHCP, TFTP, PXE, IPA.
  • Performed daily system monitoring, verified the integrity and availability of all hardware and server resources, and reviewed system and application logs.

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