SUMMARY

• 6 years of professional experience in System Administration.
• Experienced in operating systems that include Linux (RHEL) 5/6/7, Red hat Open shift 2/3, Solaris 8/9/10, HP UX 11i, Aix 5/6, Ubuntu 14/15band Windows NT/2003/2008 platforms.
• Experience in installation, configuration, performance tuning, security, backup, recovery and upgrade/patches and troubleshooting of Linux/Unix servers.
• Extensive experience in building servers using Kickstart process in LINUX, Jumpstart in Solaris.
• Extensive experience in evaluation, installation, initialization, parameterization, configuration, optimization, standardization and maintenance of high - speed networks for LAN, WAN, and IP addressing schemes.
• Experiencing in analyzing and benchmarking Storage and Network performance of device drivers on distributed Cloud infrastructure along with other real time middleware application.
• Experienced in installation, configuration, and administration of VMware vSphere, ESX 4.0, 4.1,5.0 and 5.1 VMware Vcenter 4.0, 4.1, 5.0 and 5.1 and creation of VMs.
• Experience and implementation of services like NFS, NIS, NIS+, DNS, DHCP, LDAP, Mail servers and Samba servers.
• Experience in RPM Package Administration for installing, upgrading, and checking dependencies Experience and reconfiguring RPM database using RPM Build and creating YUM repository in Red hat Linux.
• Experience in installing, configuring and maintaining application Server like Websphere and web servers like Web Logic, Apache HTTP and Tomcat on UNIX and Linux.
• Experience in performance monitoring of Kernel parameters, Memory, Disks, and Network.
• Experience in configuring and administering the Load balancing clusters.
• Experience in configuring and administrating the Firewalls and setting up the access rule.
• Experienced with performance testing tools like HP Load runner and J- meter.
• Experience on working Oracle Real Application Cluster (RAC) database, provide available database solutions and support to MS SQL Server and DB2 teams.
• Experience in Shell/Perl scripting languages like Bourne shell, Korn shell and Python.
• Worked on creating Docker Images and Experienced with container technology.
• Experience NIC bonding configuration in Linux and UNIX systems to increase the bandwidth or redundancy based on requirement by the applications.
• Familiar with monitoring tools like VmStat, IosSat, NetStat, Nagios, Splunk, Dynatrace and HP ESM.
• A good team player with ability to lead a team by example and motivate them to achieve desired objectives. Willing to take on extra responsibilities to get work done.

TECHNICAL SKILLS

Operating Systems: Sun Solaris 8/9/10 Linux (RedHat 5.x/6.x/7.x SUSE 10),Red Hat Open Shift 2/3, HPUX 10.20/11.20 , AIX (5.x/6.x), Centos, Ubuntu, Windows,VMware ESX 4.x/5.x

Hardware: Sun Ultra Enterprise Servers (E3500, E4500, E450,E420R,E250,Sun Fire (6800/4800/3800/ v880/v480/v210/v440/280R/15K/25K), Sun Workstations (Ultra 5, 10,20,Blade 100,150,2000) IBM F-series and P-series, IBM RS6000, DELL PowerEdge 1650,2850,2950,6400.

HP DL320,DL360,DL380,DL580(G5,G6): EMC Symmetrix, Sun Storage Array D1000,A5000, Hitachi arrays, Backup Devices, Ethernet Hubs, Routers, Repeaters, Jukebox, Printers

Tools: Solstice Disk Suite, VERITAS Volume Manager, Open Migrator, sync, VERITAS Net backup 5.1, TSM 5.5, Cluster server 3.5 & 4.1, Sun Cluster 2.x & 3.x,Nagios, Nagios, MongoDB, Splunk, J unit, Soap UI, Office 365, Active Directory

Programming Languages: C, HTML5, KSH, CSH, Bash, Python and Perl programming.

RDBMS: Sybase, Oracle Oracle 7.x/8.0/9i, MySQL,Web ServicesRESTful,SOAP

Networks: NIS, NFS & DNS and Firewalls

Protocols: TCP/IP, FTP, SSH, SFTP, SCP, SSL, ARP, DHCP, TFTP, RARP, PPP and POP3

Storages: Sun Storage Tek Arrays, Hitachi, EMC, CLARiiON

PROFESSIONAL EXPERIENCE

Confidential - Basking Ridge- NJ

System Architecture Engineer

Responsibilities:

• Currently working on Red Hat Open Shift aPaaS environment which we have integrated with API Engines.
• Configured Hardware and Software RAID’s in Red Hat Linux environment for system disk.
• Responsible for making sure that the environment is stable and resolves any performance bottleneck issues.
• Worked on migrating the web services to Red hat open Shift environment
• Setup the Dynatrace agent to the Open Shift pods to monitor all the web service transactions.
• Created SSL certificates with help of a third party tool ‘Venafi’ and worked with the network engineering team in setting up the F5 load balancer and Routes.
• UsedSOAP/Rest based web service to invoke API Engine and transfer the generated web services as the byte stream to service invoker
• Worked on Integrating API Engine with XL release to automate Deployment and Testing process.
• Working on Deploying a Gatling Docker Image into the Mesos Cluster with help of Docker swarm
• Worked in creating test automation sweet by integrating with SOAP UI and Jenkins, which reads data from a spread sheet and performs a small load test automatically.
• Created a automation Job by integrated with Jenkins which check the storage space of the Open Shift Projects and deletes the old log files based on the number of days
• Created a Spluk Docker Image and integrating the Splunk agent to the Open shift Environment to monitor all the web service transactions and generate the transaction logs.
• Worked with the Perform testing test to perform load test of our web services with help of HP Load Runner and J Meter and resolve any performance bottle necks.
• Resolve any issues with our web services from an infrastructure perspective.
• 24x7 production support.

Environment: - Red Hat Open Shift 3.2/3.3, UPM3, API Engines, Red Hat 7, Jenkins, Dockers, Docker Swarm, Kubernetes and Mesos Cluster

Confidential - Farmington, MI

Unix/Linux Systems Administrator

Responsibilities:

• Installation, configuration and administration of RHEL 6, 7& Solaris 9, 10 Linux Operating systems.
• Worked mainly on resolving production issues and documenting Root Cause Analysis and updating the tickets using BMC Remedy.
• Monitored Linux server for CPU Utilization, Memory Utilization, and Disk Utilization for performance monitoring and resolved any performance issues.
• Installation of RHEL 7 using Kickstart custom configuration and also packet management over the Linux servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Installing Red Hat Linux using kick start and applying security polices for hardening the server based on the company policies.
• Worked on Solaris 10 container technology, created local and global zones, modified local zone parameters, created file systems on local and global zones.
• Creating Zones, containers, LDOMs on Solaris servers, creating Zpools, ZFS file system installing Oracle, Java based applications on them.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database & application production servers.
• Installed Oracle 10g, 11g on Solaris 10, Linux and worked extensively with Oracle ASM disks and Oracle RAC Cluster
• Installing, configuring Tivoli Storage Manager and Veritas Netbackup 6.5 on Solaris, Redhat servers, creating polices, scheduling jobs.
• Working on Volume management, Disk Management, software RAID solutions using VERITAS Volume manager & Solaris Volume Manager. File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi pat
• Set up user and group login ID's, printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Installed and configured vSphere ESXi 5.5 on Linux/Unix servers and installation of desktops in VDI environment.
• Created new file systems using Raw Device Mapped LUN's, Virtual Disks and SAN storage as per required
• Monitoring and configuration of various servers using Puppet modules.
• Network configuration for interfaces, switch ports, Ethernet cards, host names, netmasks and routes details, DNS, NFS, LDAP, NTP and SNMP etc.
• Configured and managed Global File System (GFS) in Linux Servers, Creating and managing Cluster suite using GFS.
• Integrated Splunk with active directory, Service now and LDAP authentication.
• Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
• Supporting 24x7 production computing environments and providing on-call and weekend support

Environment: Redhat Linux 6/7, HP-UX 11i, SUN Solaris 8/9/10,Ubuntu, Sun Enterprise Servers, HP 9000K, L, N class Server, HP & Dell blade servers, IBM RS/6000, p Series servers, VMware ESXi4/5 Server, Mango DB, Oracel HSCA.

Confidential - Richmond, VA

Unix/Linux Systems Administrator

Responsibilities:

• Installation, configuration and upgrade of Red Hat Linux 5/6.
• Patches and package management on Linux servers.
• Involved in setting up Kick-start server for network installation in Linux Environment
• Involved in creating new volumes using Logical Volume Manager (LVM).
• Experience in VMware. Installed and monitored virtual environments with ESX 5.x/6 servers and VMware vSphere 4.1.
• Implemented and enhanced UNIX shell scripts using Korn, Bash and Python scripting.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Configuration and troubleshooting of NFS & NIS. Updating NIS maps and DNS entries.
• User management includes user addition, deletion and modifying the user attributes
• Creation of backup policies, scheduling and monitoring the backups using VERITAS NetBackup.
• Setting up a Red Hat cluster with RedHat Enterprise Linux and RedHat clustering.
• Installing operating systems, patches, hardware, vendor software packages, system customization and documentation.
• Implemented SUDO, Secure Shell (SSH) and other security tools.
• Configured bonding on server Ethernet ports and configured the storage according to requirement.
• Implementing Apache Tomcat on Linux/Unix servers.
• Configuring 2 node and 4 node cluster on Linux servers.
• Configured Hardware and Software RAID’s in Red Hat Linux environment for system disk.
• Worked closely with database administration staff to ensure optimal performance of databases, and maintain development applications and databases.
• Finding EMC and Netapp SAN disks and configure the multipath on Linux servers.

Environment: Redhat Linux 4/5/6, HP-UX 11i, SUN Solaris 8/9/10,Ubuntu, Sun Enterprise Servers, Sun Fire, Sun T Series, Sun M Series, HP 9000K, L, N class Server, HP & Dell blade servers, IBM RS/6000, p Series servers, VMware ESXi4 Server, Oracle

Confidential

Systems Administrator

Responsibilities:

• Performed key support activities to install, configure, secure, upgrade, patch, troubleshoot, maintain, tune, monitor, manage and provide 24X7 on-call support of the UNIX / Linux server infrastructure.
• Configured automated VM migrations using automated scripts in PowerShell. Standardized network cable runs for VMware hosts across multiple data center.
• Worked with system, network, security, and storage engineering teams to prepare and configure new servers for the VMware ESX environment.
• Performed backup and recovery of all systems, configurations, applications and data in the data center environment using NetBackup and other backup and recovery systems.
• Identified and fixed ESX performance bottlenecks by working with clients and other teams.
• Configured NFS server to share resources across multiple servers.
• Resolved production server problems related to web applications, cluster failover, file system, DNS and network connectivity.
• Installing, upgrading and configuring SUN Solaris 9/10 on Sun Servers using Jumpstart and RedHat Linux 5/6Servers using Kickstart.
• Administered the network issues and resolved operating systems related issues of AIX, Linux and making sure that the users get the proper environment for testing.
• Configure Qlogic/Emulex HBA card to connect Unix/Linux/VMware/Windows server to SAN switches/Storage.
• Installation, configuration and maintenance of DNS servers, Mail servers, FTP servers, NFS, NIS, LDAP and Samba Web servers on Sun Solaris, and Redhat Linux platforms.
• Troubleshooting and analysis of hardware and software failures for various Linux servers (core dump and log file analysis).
• Installation and support of desktops with Windows 2000 and Windows XP Operating system.
• Provided remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.
• Provide day to day support (troubleshooting & installing) for more than 50 users for hardware, network& software’s including Microsoft office applications, mail clients and other network related issues.
• Installation and configuration of network printers on unix/linux servers.
• Managed the member server, a server which hosts services like IIS, DNS, and DHCP.
• Protected the organization’s network from unwanted traffic coming from the internet using ISA Server which is a proxy server and a web caching server.
• Provided the backup and recovery of the files and data, worked on windows firewall, terminal server, trouble shooting the computer related problems.

Environment: Redhat Linux 4.x, 5.x, SUN Solaris 8,9,10,ubuntu, E250, E10K, E4500, SunfireV880/440, Sunone directory 6.2, Nagios, Sun Storage Array NAS and SAN Windows 2000 and 2003 Servers, Active Directory, DNS, DHCP, Group Policy, Backup and Recovery, IIS (HTTP & FTP), Managing the Domain and the Domain Controller, ISA,SOAP, Terminal Services, Disk Management, File Sharing.