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System Administrator Resume

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Ashburn, VA

SUMMARY:

Dedicated professional with 6 years of experience in support and deployment of Linux Red Hat, CentOS Linux & VMware/ESXI administration to provide clients with the best possible support. In depth knowledge of systems and storage implementation utilizing Linux OS. Equipped with solid time management, problem solving, communication and interpersonal skills.

TECHNICAL QUALIFICATIONS:

System: Dell blade server | Hp DL series servers G7, G8, G9 | Cisco UCS

Operating system: Red Hat Linux 6,7| CentOS 6,7 | Ubuntu | Windows Server

Virtualization: vCenter server | ESXI 5.5, 6.0, Workstation, HA, DRS

Backup Solutions: ArcServe | Backup Exec

Scripting: Bash

Ticketing system: ServiceNow | Zendesk

PROFESSIONAL EXPERIENCE:

Confidential, Ashburn, VA

System Administrator

Responsibilities:

  • Maintain & manage server/storage infrastructure involving maintenance of servers and VMware Environment
  • Provide user support for level 2, level 3 issues generated by the ticketing system
  • Create and manage virtual environment consist of VMware vSphere
  • Deploy RED HAT, CentOS virtual machines using VM templates
  • Deploy configure ESXI Host not limited to configuring storage and virtual switches
  • Perform hot and cold migration using vMotion create snapshot before performing any changes on the OS
  • Plan & Deploy AWS EC2 instances in the cloud
  • Perform patch management using YUM & RPM as requested by the security teams
  • Configured & deployed Nagios Server for monitoring and alerting of application, OS, Services and Hardware Failures
  • Respond to the alerts generated by the monitoring tool, perform troubleshooting and apply the fix
  • Perform server hardening, checking IO performances
  • Plan & Deploy NFS Server, mount NFS Share Confidential the client end, provide day to day support on fixing any mounting issues
  • Unmount/ mount disk drives in vCenter for Database Server
  • Escalate level 3 support issues by opening tickets with vendor
  • Perform LVM volumes management such as expanding and reducing logical volumes and file system
  • Perform task automation using ansible such as creating and modifying playbooks for multiple tasks such as user accounts and patch installations
  • Maintain the user accounts IAM, RDS, VPC services in AWS Cloud
  • Generate SSH Keys to provide the access to the Developer teams
  • Configure HA/DRS within the virtual clusters
  • Perform manual rebalance of host clusters to load balanced
  • Monitor server health using TOP, HTOP, ESXTOP
  • Bash Scripting automating daily tasks such as logs
  • Perform VMware ESXI host patch management using VMware update manager
  • Collaborate with multiple teams during the projects

Confidential, Houston, Tx

Linux System Administrator

Responsibilities:

  • Installing and configuring Linux production servers
  • Perform ILO and IDRAC management
  • Actively monitor server health using Nagios troubleshoot alerts as generated
  • Setup configure Samba for NFS share to provide Windows integration for file share
  • Provision RED HAT and CentOS servers on physical and virtual environment
  • Perform P2V conversion using VMware Converter
  • Troubleshoot issues generated after P2V & V2V Conversions
  • Create physical servers perform storage creation on Raid level 5 and 10
  • Deploy multiple virtual machines on ESXI Hosts
  • Troubleshoot LUN issues as generated by storage subsystems
  • Retire/decommission not in use servers to reclaim storage space
  • Open tickets with vendors for hardware failures on Dell and HP servers
  • Manage backup environment consist of Net Backups
  • Restore servers from the Backups due to the Hardware Failures
  • Perform user management on Red Hat and CentOS
  • Create local users and groups in Red Hat and managing file permissions

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