SUMMARY

• System Administrator with around 7 years of experience in Administration and Development of Red Hat Linux, AIX, SUSE Linux, Oracle EL, Centos, HP - UX and Solaris servers.
• Extensive experience in installing, integrating, tuning, and troubleshooting Apache, Tomcat and WebSphere application server and webserver.
• Worked on Amazon AWS EC2 cloud services for installing, configuring and troubleshooting on various Amazon images like Amazon Linux AMI, AIX, Redhat 4.x, 5.x, Ubuntu 12.x, 13.x.
• Building massively scalable network-oriented software for the Elastic Load Balancing (ELB) service.
• Worked on Auto scaling, Cloud Watch (monitoring), AWS Elastic Beanstalk (app deployments), Amazon S3 (storage) and Amazon EBS (persistent disk storage).
• Installing, configuring and administering OEL, Red Hat Linux AS 3.0 /4.0/5.x & SUN Solaris 8, 9 and 10 on Sun, Dell, and HP x 86 Servers like C7000 & C6000.
• Bare metal, Red Hat Enterprise Virtualization, Red Hat Enterprise Linux Openstack platform, VMware, and Amazon EC2.
• Installed OS by using Jumpstart, Kickstart, NIM and Ignite methods.
• Experience in SAN migrations from EMC DMX to VMAX at host level using HPUX, Linux and VERITAS LVM.
• Creating the Kickstart profiles and installing the server using the kickstart.
• Experience and configuration on Redhat satellite 5.6 Implementing the network based authentication (LDAP/AD)
• Experience in managing HDS SAN frames like USPV, VSP & AMS 2000 and experience managing HDLM to manage multipathing in Linux and Solaris servers.
• Experience in Confidential scripting (Ksh, bash) to automate system administration jobs.
• Expertise in Volume management, Disk Management, software RAID solutions using VERITAS Volume manager 3.5/4.1. File system tuning and growing using VERITAS File System (VxFS), planned, documented and supported high availability, fail-over, fall-back Solutions using VERITAS Cluster Server 4.0 in SAN environment.
• Worked in installing, configuring and administration on AIX, Sun Solaris 7, 8, 9, 10, Red Hat Linux 8, 9 and RH AS 2.1, RHEL 3.x, 4.x, Suse Linux Enterprise Server (SLES) 10.x, HP-UX 11.00, 11i, AIX 6,7, Windows NT, 2000 and 2003 Servers.
• Implemented and Enhanced the Existing Scripts which are developed in Confidential, Perl, and SQL.
• Worked with Backup Team to Configure the Master and Client Backup servers Using VERITAS Net Back up 4.5/5.0.
• Experience working Amazon AWS Cloud services like EC2.
• Experience in running SQL running queries and also performing online, offline and cold backups for Oracle and MySQL.
• Experienced with the installation and configuration on Apache 2.x, 1.3.x, 1.2, JBoss4.0.x Web Servers and, BEA WebLogic 8.x, 9.x servers.
• Worked with VMware ESX 2.x servers, and Virtual Infrastructure client to create virtual guests
• Performed Servers consolidation and virtualization using VMware virtual infrastructure, VMware ESX, Virtual Center, VM tools.
• Involved in installation, configuration, upgrading, Patching and administration of RHEL 5.0/6.0 servers.
• Configuring Kickstart Servers and booting the images using PXE in AIX and Redhat Linux (RHEL).
• Experience with creation and administration of virtual machines on VMWare ESXi and Infrastructure 3.
• Experience in network administration, deploying and troubleshooting of DNS, LDAP, NIS, NFS and DHCP etc.
• Auto-logon users onto RDP and SSH sessions, without reveling the passwords.
• Record all user and administrator activity in a comprehensive audit trail.
• Alert in real-time as passwords are released and privileged session activity is started.
• Experience with Perl, bsh, ksh.
• Software configuration management using Chef and Puppet.
• Involved in creating modules, manifests and cookbooks in Puppet using Ruby.
• Expertise in System performance tuning, capacity planning and Disaster Recovery planning.
• Experience with patching of Linux and Solaris servers and hardening of servers using native and third party tools.
• Proficient in Installation, configuration, and maintenance of open LDAP server and applications integrated with Apache Web server for user authentication.
• Disk and File system management through Logical Volume Manager (LVM) on HP-UX, LINUX and Solaris Volume Manager (SVM) on Solaris.
• Knowledge of networking (TCP/IP, Ethernet), NIS, DNS, NFS, DHCP, SMTP and RAID.
• Knowledge of Routers and Switches, Subnet, VLAN, TCP/IP, VPN, OSI model, Firewall (checkpoint),
• Strong scripting knowledge (Perl and C) to perform different administration tasks.
• Experience in Confidential scripting (ksh, bash) to automate system administration jobs
• Extensive experience in UNIX performance monitoring and kernel tuning and Load balancing to ensure stable performance.
• Scheduling the package installation.
• Involved in installing Nagios monitoring services on Unix servers
• Experience in installing and configuring Splunk tool 3.x and 4.x versions on Linux machines.
• Comprehensive Knowledge ofLinux kernel tuning,patchingand extensive knowledge ofLinuxsystemimaging/mirroringusing System Imager.
• Installing and upgrading Symantec Netbackup 7.x tool on HP-UX 11.x, SLES 10, RHEL 3, 4.
• Extensive experience in building AIX and Redhat 5.x, 6.x servers with a two and four node clusters with CAD, Oracle 11g and Weblogic applications installed on it using HP server automation tool
• Experience in supported cloud environment using AWS (Amazon Web Services) and familiar with creating instances and managing cloud servers and monitoring them by cloudwatch
• Excellent working knowledge with designing installing and implementing VMware ESX Server, VMware Virtual Center, VMware vSphere, VMware Infrastructure client, and other products for Virtualization.
• Involved in supporting LAMP Stack with multiple Apache web servers and MySQL Databases instances running in AWS and Microsoft Azure cloud environment.
• Supported Dev Ops environment with multiple JVM’s running on Weblogic and JBoss running on RHEL, CentOS and Ubuntu.
• Strong experience with VMWare ESXI
• Deployed multiple VMWare ESX VM’s on Private cloud and involved in public cloud using AWS and Microsoft Azure.
• Building massively scalable network-oriented software for the Elastic Load
• Balancing (ELB) service.
• Troubleshooting problems pertaining to Performance Tuning, Network Administration, Application Conflicts and System Bugs.
• Managing VLAN’S. Installation and maintenance of remote area connectivity with various sites.
• Addressing queries regarding the Information System / Software & extending onsite support to internal & external clients including maintenance of hardware / software.

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP - UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x), HPUX11i V1, V2 & V3, SLES 8, 9, 10, 11 & 12, Ubuntu 12/13/14, Windows NT /2000/2003.

Hardware: Cisco UCS 200/300, T5240 Sun E15K, E25K, Sun Fire 6800, Sun Fire 4900, Sun Fire 3800, Sun Fire 490, Sun Fire 280, v880, v890, Sun Enterprise Servers E6500, E4500, E3500, Work Group Servers E450, E420, E250, E220, Netra 1405, Netra X1, Ultra 80, 60, 30, 10, 5, 2, 1, Intel Servers, Extreme network and Cisco switches, Brocade Switches, A1000, A5200, 3510, 3511, D1000, Sun Store Edge T3, 9980, HP DL380 Gen7&8, HP Blade C7000 & C6000

Networking: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP.

WEB Technologies: Tomcat, APACHE 2.x, 3.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Programming Lang & Databases: MySQL, Oracle, Sybase, MSSQL, C, UNIX Confidential Scripting, Perl Scripting, HTML, Perl, VB.

Backup Management: Veritas NetBackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, tar, cpio, dd, Tivoli, Symantec Netbackup 7.x

Third Party Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk. Puppet, chef, HPSA, SSRS

Protocols: TCP/IP, UDP RIP, OSPF, EIGRP, IGRP, SNMP, SMTP, TELNET

PROFESSIONAL EXPERIENCE

Confidential, NJ

Linux System Engineer

Responsibilities:

• Installing and upgrading Solaris 10/11, HP-UX 11i v3, Redhat EL 6/6.6 and Suse EL Server 11/12 operating systems.
• Jumpstarting Solaris 10 operating systems on various Sun servers and Kickstarting Redhat EL 5/6.
• Installation and configuration of VCenter server 5.5, ESXi5.5 host’s in large environment on HP BL 460C &Cisco UCS B series Blade servers on both protected and recovery sites.
• Involved in the yearly maintenance patching for bothSANandNASconnectedLinuxservers.
• Renew the Redhat satellite certificates, and updating the Redhat satellite subscriptions.
• Provision across bare-metal, private, and Public clouds.
• Puppet Forge and Git integration.
• Federated Life cycle management.
• Registering the client server’s to RHN network configuration.
• Integrate all policies, roles and log date via a web-based console
• Automate workflows for policies and audit-ready logging .
• Broker permissions transparently, ensuring user productivity and compliance.
• Enable users to perform specified administrative tasks without disclosing passwords.
• Installed and Configured Puppet Master/Agent Configurations and Master-less Puppet Configurations for High Scalability.
• Designed bash, Ksh and perl scripting to automate application and system management activities. These scripts provides\ the following functionality: application startup and shutdown, monitored systems and application health, and website management.
• Modifying/ Writing scripts in Bash and Korn Confidential for optimizing day to day administration. sharing the source files from Puppet master to all puppet nodes through puppet fileserver.
• Deploy and monitor scalable infrastructure on Amazon web services (AWS) & configuration management usingpuppet.
• Worked with active-mq server, to setup mcollective server and agents for arrangements or parallel employment execution frameworks Infrastructure setup. Managed/Administered Puppet hubs utilizing mcollective.
• Creating resource pools, zones and containers on Solaris 10 on T and M Series to optimize and consolidate the use of the hardware.
• Configured and maintained virtual server environment using VMWARE ESX, VCenter, VSphere, and Solaris 10 Zones.
• Worked on LDOMs on Sun T4k and t 5k servers.
• Involved in maintaining user accounts (IAM), SQS, SNS Services on AWS cloud.
• Installation, Configuration and Migration of Unix and Linux Operating systems
• Install new OS using system Image of Golden client.
• Installation Packages and Patches
• Rescan the storages on newly installed servers
• Work with application team to start applications and resolve the issue
• Migration and troubleshooting of VERITAS Cluster.
• Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.
• Experience working with VMWare tools like VCenter & vSphere to manage VM's running on ESX cluster nodes and also experience working vMotion.
• Have also used Chef and PUPPET 2.x automation tool for configuration management in Linux systems
• Installing VERITAS Volume Manager 5.x. Implementing RAID and creating Disk Groups, Volume and Logical volumes using VxVM on Solaris to manage the storage resources and creating, resizing and managing volumes and used LVM on HP-UX, Linux to create Volumes on the Volume Groups, Volumes and file systems.
• Mirroring the root disks using Sun Volume Manager.
• Installed and Configured High Availability, Disaster Recovery systems using VERITAS Cluster Server 5.x on a two node cluster for NFS and MQSeries.
• Worked on creating modules and manifests in Puppet to obtain continuous
• Configuring, administering and troubleshooting of NFS, NIS (master, slave and client) and DNS (Bind) in multi platform networks that included Solaris, Linux.
• Updating patches to keep the HP-UX, Linux and Solaris servers updated against bugs present in the operating system using patch administration commands like swlist, swinstall, patchadd, showrev, yum, up2date etc.
• Worked on installing and managing different automation and monitoring tools like Nagios, Splunk and Puppet
• User, Group management and security policy management for the all servers including Windows and UNIX using RBAC, sudo etc.
• Responsible for Installation, configuration and administration of middleware like WebLogic, JBoss, CA Web Access Manager (WAM) and MQ Series etc.
• Performance Analysis of resources like CPU, Memory, Disk and Swap from command line using commands like prstat, vmstat, sar, iostat, swap etc. and tuning of the kernel parameters for the better performance of the operating system and TCP.
• Deployment of System 5 packages on production servers.
• Modifying/ Writing scripts for day-to-day job and administration.
• Creating test environment and assisting in Change control management.
• Troubleshooting day-to-day server related issues and problems.

Confidential, Dallas, TX

UNIX/ Linux Engineer

Responsibilities:

• Installing and upgrading Redhat and Solaris on Sun SPARC, HP DL 380 G4, 5, 6 and 7 & Dell Power Edge servers.
• Creating sparse root and whole root zones andadministeredthe zones for Web, Application and Database servers and worked onSMFon Solaris 10.
• Implemented and administeredVMware ESX 4.x/5.x for running the Windows O, Redhat Linux Servers on development and test servers.
• Automateedtasks using bash, Korn Confidential scripts.
• Implemented Jumpstart for SolarisandKickstart for Redhat environments.
• Configured AWS cloud servers using AMI (HP Proliant DL385/585 G5, G6 servers, and HP BL465CG5 blade centers).
• Experience working with VMWare tools like vCenter & vSphere to manage VM's running on ESX cluster nodes and also experience working vMotion.
• Experience working with Solaris SVM, ZFS and Redhat LVM.
• RPM Language, RPM JDBC, RPM ODBC
• Experience in AWS and Rackspacecloud environment’s and also familiar with EC2Cloudwatch and Elastic Ip’s and managing security groups on AWS
• Experience in NAS environment carrying Netapp filers and EMC Celerras.
• Experience managing SAN disks like EMC Clariions and VMAX using EMC Powerpath and Volume management software’s.
• Implemented HA using VERITASCluster Server 5.0forWeb Logicagent.
• Worked on HP Superdome, HP EVA 6000, HP RX servers, HP 9000 Model K 580, HP 0, HP V class, HP9000 servers (RISC and Itanium).HP N class, L class, HP /E35, HP 9000/ 0, HP 9000 workstations.
• Managing DNS, NIS servers and troubleshooting the servers
• Configuring my sql server and client using RPM and other source and also managing the user in mysql
• Worked on installing and managing different automation and monitoring tools like Nagios, Splunk and Puppet
• Worked withVERITAS Foundation Suite 5and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.
• UsedSun Volume Manager for Solaris and LVM on Linuxto create volumes with layouts likeRAID 1, 5, 10, 51.
• Re-compiling Linuxkernelto remove services and applications that are not required.
• Worked on creating separate manifests for spec tests and puppet unit tests to provision user more control over the errors occurring during deployment.
• Performed performance analysis using tools likeprstat, mpstat, iostat, sar, vmstat, truss, Dtrace.
• Worked with diverse sorts of manifests, to convey Applications servers like Apache Tomcat, Web server like Apache Http, PHP, Configuring Security Hardening utilizing CIS Modules.
• Upgraded Solaris and Redhat servers from RHEL 3.X, 4.X to 5.x and Solaris8,9 to Solaris 10.
• Involved in migration of Puppet 2.x to 3.x version on node, server environment
• Patching of OS on mirrored servers afterdetaching and re-attaching the sub-mirrors.
• Implemented the monitoring tools likeNagios 3.0to monitor services likeCPU, Hard Drive, Memory, Users, http, sshetc.

Confidential, Houston, TX

UNIX Administrator

Responsibilities:

• Installation ofSolaris 8, 9based servers withJumpstart and redhat Linux EL 4.x based servers using Kickstart indevelopment, test and production environments.
• Performed project coordination function forevaluation, installation, monitoring, and maintenance of server software on variety of hardware platforms.
• Installed/ upgradedpatches, firmware(OBP), and security (Kernel) patches for all applications in installed infrastructure.
• Proactive maintenance on systems by timely upgrading Patches to the systems and applications, Scheduling of batch jobs and cron jobs.
• Upgraded over 35 servers withVERITAS Volume Managerfrom3.x to 4.0.
• Responsible for user administration and management usingSUDOandRBAC
• Built new systems for Production and migrated fromSolaris 8 to 9.
• Experience with Red Hat Global File System
• Installation of a "LAMP" system:Linux,Apache,MySQLandPHP
• MaintainedVolumesandFile systemsusingVxVM / VxFS for Oracle, DB2, MySQLdatabases.
• Used VxVM toadd disk, create new disk groups/volumes, resize, deport and importdisk groups between servers.
• Worked on HP Superdome, HP EVA 6000, HP RX servers, HP 9000 Model K 580, HP 0, HP V class, HP N class, L class, HP /E35, HP 9000/ 0, HP 9000 workstations.
• UsedVERITAS Cluster Server 4.1to create high available environments forNFS, WebLogic and Sendmail agents.
• Performedsystems monitoring, upgrades,performancetuning and backup and recovery/ CISCO IOS.
• Implementation of naming services like DNS with Bind 8.4.x and NIS.

Confidential

Linux / Solaris Systems Administrator

Responsibilities:

• Installing, configuring and updatingSolaris 7, 8, Red Hat 7.x, 8, 9,Windows NT/2000Systems using media and Jumpstart and Kickstart.
• Installing and configuring WindowsActive directory server 2000and Citrix Servers.
• Published and administered applications viaCitrix MetaFrame.
• Creating and Authenticating Windows user accounts onCitrix server.
• Creating System Disk Partition, mirroring root disk drive, configuring device groups in UNIX and Linux environment.
• Working withVERITAS Volume Manager 3.5andLogical Volume Managerfor file system management, data backup and recovery.
• User administrationwhich included creating backup account for new users and deleting account for the retired or deleted users.
• Implementing backup solution using Dell T120 autoloader and CA Arc Serve 7.0
• Managing Tape Drivesand recycling it after specific period of time as per the firms policies.
• Working with DBA’s forwriting Scripts to take database backupandscheduling backup using cron jobs.
• Creating UNIX and PERL scripts forautomated data backup, status of the storage.
• Installing and configuringOracle 8i database server on Solaris after creating the file systems, users and tuning the kernel.

Confidential

Junior UNIX Administrator

Responsibilities:

• Used Python programming in Linux platform to design the front-end portion of the plug-in.
• Worked on redhat 4.x and performed daily tasks using CRON scheduler and automated it.
• Discussed and planned the development issues with the team members and the lead.
• Used languages like html, JavaScript and Ajax to create the back-end portion of the plug-in.
• Daily tasks such as taking data backups, cleaning junk content and updating software.
• Configured Raid with the help of lead and created a LUN and Logical volumes from that.
• Used Debian distribution of Linux called Ubuntu in my personal computer and used python 2.3.
• Performed comprehensive security audit, including software vendor patches, network filtering.
• Performed hardware maintenance for servers like equipment replacement, capacity planning.
• System administration in mixed Solaris/Linux environment.
• Installed and configured UNIX tools.
• Maintained a redhat Linux file server, which used samba to serve files to mostly windows 2000.
• Creating data volumes, file systems, mount points with the help of Confidential scripting.
• Responsible for maintaining and configuring NFS, DNS, DHCP and iSCSI servers.
• Creating application and database file systems using volume managers like LVM and VERITAS.
• Addition of application and database support to users and assigning sudo permissions.
• Managing the kernel configuration parameters using the tools like kmtune, sysprep.