SUMMARY:

A LINUX/UNIX System Administrator with over 15 years of Information Technology experience. Expertise has been concentrated in Linux/Unix Systems Administration and infrastructure support that includes networking, database installation and support, supporting Web Server/Web Hosting environments and performance tuning of large scale, distributed user and development environments.

SKILL:

OS Platforms: RedHat Linux and UNIX, Solaris, Windows

Hardware: DELL, HP ProLiant DL380/580, Cisco UCS, Sun - Fire 25k, M9000, M8000, M5000, M3000, T2000, V440, V490, Sun-Fire 6800, IBM Netezza

Programming Languages: BASH shell scripting, Basic C/C++

Version Control Systems: Subversion, Git

Automation/Build Tools: Ansible, Jenkins (knowledge), Puppet (knowledge)

DBs: Oracle, MySQL

Virtualization: VM Ware, Docker (knowledge), Amazon AWS/EC2 (knowledge)

Web App & Web Servers: WebLogic, WebSphere, Tomcat, JBoss, Apache, JIRA

EXPERIENCE:

Confidential, Middletown, NJ

Linux/Unix Administrator

Responsibilities:

• Support ASTRA security software that runs on Confidential & Confidential Cloud
• Perform code deployment to Dev, Test and Prod using version control (JSVN, Git)
• Automate build and deployment using Ansible on DevOps environment
• Work with Developers to troubleshoot deployment issues
• Support and maintain VMware vSphere infrastructure
• Support Application and DBA teams and assisting with OS issues
• Monitor and troubleshoot Redhat servers in the Confidential & Confidential Cloud
• Administer and configure LVM which involved create and modify file system
• Maintain security on all Redhat and Solaris system for regulatory compliance
• Work with vendors and datacenter technicians for installing/troubleshooting/replacing hardware
• Installed Packages and Patches in RedHat and Solaris servers
• Perform data migration across multiple Solaris and RedHat servers
• Administer and support Veritas Volume Manager

Confidential

Linux/Unix Administrator

Responsibilities:

• Administer and migrate data on RHEL5,6 and 7 servers
• Manage file systems like LVM, LVM extension & reduction on RHEL
• Perform routine Unix/Linux patching on Red Hat Enterprise Linux Server
• Troubleshoot and manage application issues running on Linux/Unix servers
• Use Ansible to run Chef client on Red Hat Linux servers
• Manage and troubleshoot Cisco UCS in VMware Environments.
• Upgrade and configure system software to support applications
• Perform day - to - day operations and interface with internal and external clients
• Maintain and support of unclassified and classified IT systems
• Troubleshoot and repair IBM Netezza Blades servers
• Work as part of a dynamic team to keep systems maintain and optimize
• Contribute to and maintain operations documentation, including configuration data, installation procedures
• Install, upgrade and manages packages via RPM and YUM package management
• Write scripts for systems administration and operational tasks using BASH ans KSH
• Provide support that can resolve incidents tickets and change request with RHEL5/6/7 related issues
• Monitor and troubleshoot VMware vSphere environment

Confidential

Linux/Unix Administrator

Responsibilities:

• Migrate LVM and Oracle ASM LUNs from Hitachi to XIV storage system on RedHat 5 and RedHat 6
• Migrate VCS, VXVM and Co-ordinator LUNs from D-MAX to V-MAX storage system on RedHat 5 and RedHat 6
• Create file systems using LVM on Red Hat Linux
• Install, upgrade and patch Red Hat Linux enterprise server
• Troubleshoot issues in a Red Hat Linux and Solaris servers
• Work with developers to load software onto Red Hat Linux
• Managing (adding/removing) disks and partitions (LVM)
• Add resources on Veritas Cluster Server
• Maintain and support Veritas Cluster Server
• Create and maintain file systems on Veritas Volume Manager
• Replace fail disks on Veritas Volume Manager
• Maintain and support Solaris 10 and install Patch Cluster
• Configured and maintained NIS on Solaris and Red Hat Linux
• Create mirror drives using Veritas and ODS
• Administer and maintain VFS and VCS
• Troubleshoot Keon issue. Start/Stop Keon

Confidential

Linux/Unix Administrator

Responsibilities:

• Manage Red Hat Linux and VMware ESX servers
• Create Linux VM on ESXi Host
• Install and configure RHEL on HP DL385-DL585 servers
• Maintain file system using LVM on Red Hat Linux
• Configuring and monitoring disk mirroring, striping using LVM
• Install, configure and upgrade Solaris 10 UNIX Operating Systems
• Maintain and support Sun-Fire-25k environment
• Perform patch upgrade on Sun-Fire-25k Veritas Cluster Servers
• Setup dev/prod environment of Solaris 10 on virtual servers
• Create zones and maintain zfs file systems on Solaris 10
• Maintain and support LDAP system on Solaris 10 and Red Hat Linux
• Troubleshoot and resolve login issue on LDAP environment
• Manage existing highly available DB services(Oracle RAC) using VCS
• Maintain and support Veritas Cluster Servers
• Create Alternate Boot Environment for OS upgrade
• Support and maintain SAMBA servers on Solaris and Red Hat Linux
• Discover LUNS and create Veritas and VCS file systems
• Troubleshoot NIC issue on Solaris and Red Hat Linux
• Many day-to-day problem solving and user assistance activities, such as Solaris and Red Hat Linux on Oracle RAC environment

Confidential

Unix Administrator

Responsibilities:

• Install, configure and upgrade Solaris 2.8 to Solaris 10 UNIX Operating Systems
• Maintain and support Solaris 10 Operating Systems
• Install and configure Solstice DiskSuite
• Mirroring disks with Solstice DiskSuite
• Perform migration of NIS environment to NISTool
• Maintain and support NISTool environment
• Perform migration of non NIS servers (SuSe Linux, AIX, & Solaris) to NIS environment
• Maintain numerous High Availability Veritas Cluster Server instances on systems
• Administer Veritas Volume Manager 3.5 & 4.0
• Provide system support for midrange Sun servers, including routine maintenence, patching, system backups and restorals, and software and hardware upgrades
• Monitoring and tuning servers for optimum performance
• Install oracle9 & oracle10g . Install Weblogic & Jboss
• Setup reverse proxy & install apache on Red Hat
• Configure IP address & change host name on Red Hat

Confidential

Unix Administrator

Responsibilities:

• Responsible for providing Unix Systems Administration support to a Production Environment
• Installation, configuration, patching and tuning of SUN Solaris 2.8, Solaris 2.9 and Solaris 10 UNIX Operating Systems
• Upgrade Veritas 3.0, 3.5 to Veritas 4.0 and 4.1. Increase and shrink Veritas file systems
• Interpret plex, volume and fix plex and volume failures. Create new file systems
• Configure and manage disks, disk groups and volumes. Administer Veritas file systems
• Troubleshooting Operating System (OS) and Sun’s internal application related issues
• Implement and verify failover and failback capability for application and DB services
• Systems administration, maintenance and monitoring various day-to-day operations
• Adding Resources. Configure service groups and resources on VERITAS Cluster Server
• Perform backups, restores, and backup policies using Legato Networker
• Automation and implementation of file systems backup and restoration
• Verify and troubleshoot a network interface. Monitor network performance
• Install, configure and manage Sysedge software