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System Administrator Resume

Houston, TX

SUMMARY

  • Master’s graduate with around 4 Years of experience in IT Industry with extensive experience in Linux Linux/Unix and Windows Administration.
  • Administered Red Hat and CentOS Linux servers, including installation, configuration, patching and updating packages of operating systems.
  • Experience on Shell Scripting and bash scripting for automation of daily tasks in Linux systems.
  • Experience working in variety of professional system support and solution - based IT services for Linux Systems along with AWS and DevOps.
  • Administered the configuration of Unix/Linux operating systems and services for Confidential and Confidential Inc. Data Centers.
  • Self-Motivated, Excellent communication and interpersonal skills. Also, quickly adaptive to the new environment.
  • Installing, configuring, administrating, troubleshooting, tuning, security, backup, recovery and upgrades of IBM AIX, Linux (Red Hat & SuSE), Confidential -UX in a very large environment.
  • Build, installed, configured Red Hat Linux servers in a data center environment.
  • Create kick start installation for automatic system install through HTTP and NFS.
  • Troubleshoot and resolve software and hardware problems, interface with vendor technical support to resolve problems and work with other technical staff on supporting their needs.
  • Proficient in Networking and configuring TCP/IP, DNS, DHCP, NFS, NIS, NIS+, SAMBA, SSH SFTP, SMTP, SNMP, SCH.
  • Experience in understanding, helping in the design and configuring of building the application servers like SAP, oracle and web logic environments.
  • Work experience on HPUX 11.0 and 11i V1, V2, V3.
  • Experienced in HPUX volume manager, Veritas volume manager, veritas cluster server, VxFS.
  • Expert in Installation, configuration of Patches and Packages.
  • Manage local network device configurations, routing, firewalls and remote connections (SSH, terminal or otherwise).
  • Data migrating to file servers using resync.
  • Creating LVM partitions, managing LVM partitions, extending LVM partitions.
  • Experience managing and administering O365 (Exchange, SharePoint, OneDrive, Security).
  • Provided management of system process in areas like boot process, startup and system shutdown.
  • Experience in Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
  • Experience in HTML, Java Script, providing day-to-day user administration like adding and deleting users and managing user’s queries.
  • Install, configure and administer the Active Directory in new and existing organizational units, create users and group accounts and implement group policies.
  • Performed research regarding Python Programming and its uses and efficiency.
  • Experience in VMWare VSphere Client 5.6. Experience in VMware Installed and monitored Virtual environments with ESX 5.X, 6.X servers.

TECHNICAL SKILLS

Operating System: Mac, UNIX, LINUX, RHEL, Windows, CentOS, RHEL 7.x, 6.x/5.x Fedora, SUSE Ubuntu, Windows family, Sun Solaris 10/11, DATA ONTAP 7.3 and 8.1versions, VMWARE ESX/ESXi.

Scripting: Perl, shell, Bash, Python, SQL, Java Script, HTML, java

Databases: Oracle11g/12c, MySQL, Dynamo DB, SQL Server, No SQL.

Tools: Jenkins, Confidential Data Protector, ILM, JIRA, Putty, Nagios

Network: HTTP, FTP, SFTP, TCP/IP, UDP, SSHCloud EC2, S3, VPC, IAM, CloudWatch, Route53, RDS, Load Balancing, Auto Scaling, CDN, AWS

Source Control: Git, GitHub

PROFESSIONAL EXPERIENCE

System Administrator

Confidential, Houston, TX

Responsibilities:

  • Installation, configuration and upgrade of Red Hat Linux, Confidential - UX operating systems.
  • Provide support to multiple UNIX and Linux servers of different flavors in a Production, development and test environment.
  • Administered tools like APATE, ILM and Confidential Data Protector manager for ticketing and Backup support for Confidential, Confidential, Confidential Inc Confidential Clients.
  • Troubleshooting the backups and collect data about backup servers & backup clients.
  • Used bash shell scripting to do administrative automation tasks including, installing, configuring, managing files, users, and repositories, applications, debugging, and troubleshooting.
  • Expertise in creating VM Templates, cloning and managing Snapshots.
  • Remote monitoring and management of server hardware.
  • Package management using RPM, YUM and UP2DATE in Red Hat Linux.
  • Installed and deployed the VMware ESX containers for the VM cloud and vSphere.
  • Experience working in VMware ESX (VSphere) 4.x, 5.x hypervisor for virtualization and installed different OS such as Linux (RHEL), SUSE, Windows.
  • Installation and Maintenance of Oracle 10g, 11g on LINUX and Window platforms.
  • Performed VMotion using the vCenter on the ESX machines for migrating the VMs online.
  • Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
  • Ability to write Shell & Perl scripting.
  • Worked on Grub, PXE boot, Kickstart, Packages, YUM, RPMs, LVM, Boot from SAN, file system configuration.
  • Worked on SAN, NAS and DAS storages with HBA card configuration and different level of RAID configuration.
  • Troubleshooting and configuration of Local and Network based printers.
  • User, Group Administration and Advanced File Permissions.
  • Patch management of servers and maintaining server's environment in Development/QA/Staging/Production
  • Maintain security for the networked environment while allowing users to access all data and software remotely.

Linux Admin

Confidential, Arlington, VA

Responsibilities:

  • Installation, configuration and upgrade of Red hat Linux 5/6, Cent OS 5.7 operating systems.
  • Involved in developing custom images on Cloud using AWS images and on VMWare ESX using templates and involved in building physical servers using Kickstart PXE Boot and Jumpstart.
  • Involved in health check of servers after patching/rebooting and checked all the services of Linux on AWS Cloud and physical servers.
  • Experience in BEA WebLogic Application server administration under heterogeneous environments like UNIX, RHEL.
  • Extensively worked on Apache http Server, Apache Tomcat Server as administrator for server installations, configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
  • Extensively involved in troubleshooting bottlenecks of Memory, CPU, Devices and network using PS, vmstat, iostat, netstat, sar, snoop, nfsstat and sar commands, tuning the performance.
  • Package management using RPM, YUM and UP2DATE in Red Hat Linux.
  • Experience with provisioning and virtualization of IBM P-Series hardware (LPARs, VIO).
  • Associated with DBAs for installation of Oracle database on Linux servers & for tuning, backup and restore.
  • Configuration of LVM to manage volume group, logical and physical partitions and importing new physical volumes.
  • Scheduling the jobs by creating Cron jobs on Linux.
  • Perform operational tasks and activities e.g. monitoring log files, performance tuning and migration between environments.
  • Troubleshooting and configuration of Local and Network based printers.
  • Maintain security for the networked environment while allowing users to access all data and software remotely.
  • Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
  • Responsible for documenting the issue, cause and resolution. Have been the on-call person for the application, worked with appropriate team members to bring the issue and get a resolution.

Windows Admin

Confidential

Responsibilities:

  • Managed large, complex environments with hundreds of servers across multiple datacenters on multiple continents
  • Coordinated with other teams to support network hardware such as firewalls, load balancers and switches and storage hardware such as SAN, DAS and NAS systems
  • Administered VMware virtual machines, hypervisors, and clusters with support from virtualization engineers
  • Deployed and administered Microsoft SQL Server in standalone and clustered environments
  • Developed and implemented procedures for operational processes including deployment, upgrade, migration, and maintenance.
  • Deployed, administered, and supported Windows servers in a fast-paced, demanding business environment.
  • Applied and maintained DISA/NSA STIG configurations to Microsoft and other vendor software products; administered site anti-virus and IPS/IDS software suites
  • Ensured full and incremental data backups were successful; performed data restore for users as needed
  • Responsible for LAN/WAN network communications, operations, hardware and application software for intensive segment of Rackspace's customers.

Environment: Microsoft Suite 2013, Apache, Logical &Veritas Volume Manager, VM ESX 5.x/6.x, VMware vSphere, WebLogic, Oracle RAC/ASM, MS Windows 2008 &12 server.

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