Systems Administrator Resume Bentonville, Ar - Hire IT People

SUMMARY:

Highly collaborative and results oriented systems administrator for over five years with proficient experience in installation, configuration and maintenance of Unix, Linux, & Windows server based systems and network applications. History of working on various projects enhancing and optimizing IT infrastructure.

PROFESSIONAL EXPERIENCE:

Confidential - Bentonville, Ar

Systems Administrator

Primarily responsible for keeping virtual and physical servers up and running
Extensive experience with resolving technical alerts issued by tickets, monitoring tools and phone calls
Responsible for installation, configuration and maintenance of Confidential and Cisco servers.
Extensive experience in creating and deploying OS Images in an enterprise environment
Experience installing and configuring Windows and Red Hat based Linux distributions
Expert proficiency with VMware, VCenter and VSphere
Configured ESXi host on physical servers for virtualization
Sound experience with VM creation, modification, and deletion
Ability to migrate Virtual machines between ESXi hosts using VMotion
Managed Datastores and DRS pools for VMs
Used VMware update manager for patching or updating ESXi Host and Virtual Machine
Proficient understanding of configuration management tool Ansible
Implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
Used Ansible management tool to automate tasks
Built and deployed various Ansible playbooks and modules in Production environments
Responsible for user management which includes creating, modifying and closing user accounts on systems with Active Directory
Created shared mailboxes and distribution lists for Microsoft Exchange
Troubleshoot issues for users unable to send or receive emails
Performing automated installations using PXE-boot with customized kickstart files
Created and managed groups: added and removed users from primary or secondary groups
Manage file permissions on linux systems
Upgraded servers RAM, Hard-Drives, and CPUs in response to server needs
Manage systems routine backups using Confidential TSM (Tivoli Storage Manager)
Setup, configured and manage services such as LDAP, DNS, SSH, DHCP, FTP, TFTP, VSFTP
Configuring NFS server and mount points
Installing and configuring Apache HTTPD server
Configuring different RAID levels on Confidential and Cisco servers
Creat ed and Managed standard partitions
Used LVM for creating physical volumes, group volume, logical volumes
Performing file system checks and repairs when needed
Maintain file system and host security using iptables
Configuring network adapters with IP addresses, gateways and netmask
Set up secure passwordless SSH authentication on servers using SSH key pair
Perform ed critical system administration tasks from Single user mode
Monitor and control system processes using top, renice, kill, etc
Conduct system performance tuning and capacity planning
Monitor system logs and activity on servers
Configure NTP client on servers to synchronize time zone with the NTP server
Created and Modified bash scripts to automate daily tasks
Experience working with ticketing systems RT and ServiceNow
Collaborated with hardware and software vendors to ensure purchases of new servers with the proper CPU power, memory and storage in accordance with the clients needs
Installing and managing new servers which includes racking, stacking and cabling
Working directly with Vendor to decommission servers and networking equipment following Company rules and regulations
Excellent verbal and written communication skills with experience in direct internal and external customer relationship management.
Ability to learn new and different technologies to a working depth quickly

Confidential - NY

Linux Administrator

Buil t Redhat and Windows systems using PXE-boot with kickstart
Actively monitor Systems health using Nagios and responding to tickets generated by Nagios on RT
Taking actions based on the alerts to resolve issue in a timely manner
Creating/updating firewall iptables rules on Linux systems
Solving issues related to user log in with NIS and server connectivity
Managed Logical Volume using LVM to change logical, group and physical volumes and file systems s ize
Used vi/v im editor to edit configuration files
Perform software package installation, upgrades and updates using yum and rpm commands

TECHNICAL SKILLS

Hardware: Confidential and Cisco UCS Servers, Cisco Switches, Desktops

Operating Systems: Red Hat 5/6/7, Windows 2003, 2008, 2012 and VMware Esxi

Servers: SSH, SFTP, APACHE, NFS, NIS, LDAP, Tftp, FTP, PXE-Boot, SMTP and Ansible

Applications: VMware, Active Directory and Exchange

Languages: Knowledge of Shell Scripting language Bash and YAML for Ansible

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Systems Administrator Resume

Bentonville, AR

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