SUMMARY:

• Over 7+ years of IT industry experience as a System Administrator and Production Support of various applications on Sun Solaris, Red Hat Enterprise Linux, and Windows environment.
• Experienced in Installs, Upgrades, Patches, Configuration, performance tuning on UNIX and system software & hardware.
• Experience in Installing, configuring and maintaining Samba, Web Sphere & Web Logic Application Servers, Nagois and Chef.
• Efficiency in installing, configuring and implementing the LVM, and RAID Technologies using various tools like Veritas volume manager, Solaris volume manager.
• Experience configuring and managing Puppet master server and also experience in updating and creating modules and pushing them to puppet clients.
• Experience in Installed and configured Apache/Tomcat/Java/MySQL.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
• Extensively used Veritas Cluster Server 4.x & 5.x.
• Configuring and Administering DNS, NIS, NIS+, LAMP and LDAP on Sun Solaris server environment.
• Experience in Install and configuration of Web hosting administration HTTP, FTP, SSH, & RSH
• Experience in Installing, upgrading and configuring SUN Solaris 9 and 10 on Sun Servers Using Jumpstart Servers, Manual installation as when required.
• Experience in Installation of VMware ESX server and creation of VMs and install different guest OS.
• Experience in Installation and configuration of Zones and Containers in Solaris 10 environment.
• Experience in Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Experience in Veritas Volume manager (VxVM), Mirroring, and striping, Parity, New File Systems, Mounting and Unmounting File Systems.
• Resolving system errors and crashes, huge file sizes, file system full errors.
• Experience in Package management using RPM, YUM and UP2DATE in Red Hat Linux.
• Ability to write Shell & Perl scripting.
• Populate Splunk from 3rd party data sources.
• Excellent analytical, problem solving, communication and interpersonal skills.
• Capable of quickly learning and delivering solutions as an individual and as part of a team.

TECHNICAL SKILL:

Operating Systems: Linux (RedHat, CENTOS ), Solaris 10/9/8, HP - UX 11.0, 11.11, IBM AIX (4.3/5.x), HPUX11i V1, V2 & V3, VMware ESX, SLES 8,9,10 & 11, Windows NT /2000/2003.

Hardware: M5000, M8000, T5220, T5240 Sun E15K, E25K, Sun Fire 6800/4900/3800, Sun Fire 490/280, 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

Networking: TCP/IP, NIS, NFS, FTP, DNS, DHCP, Samba, Apache, SMTP, SSH, IP-Tables

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

Programming, Scripting Language & Databases: RDBMS, MySQL, Oracle, Sybase, MSSQL, C, UNIX Shell Scripting, Perl Scripting, Python, Ruby, HTML, VB, distributed Splunk administration .

Backup Management: Veritas Net backup 4.x/5.x/6.x, Ufsdump, Ufsrestore, TAR, cpio, dd, Tivoli, Symantec Netbackup 7.x, Legato Networker, Solstice Backup, Veritas Netbackup BusinesServer, Veritas Backup Exec, tar, cpio, dump, Solaris AdminSuite, Solstice DiskSuite, Solaris Admin tool, Linux Logical Volume Management.

ThirdParty Software: VERITAS Volume Manager, VERITAS Cluster Service (VCS), HP Service Guard, Sun Cluster, EMC Storage, RAID Technologies, SSL, Splunk

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

Web Server: Apache web server

Mail Server: Sendmail, Postfix.

FTP Server: Lftp, Go Anywhere, WU-FTPD, Proftpd,Naming Service

O/Slevel virtualization: NIS/YP, NIS+, DNS, LDAP

Cluster service: Solaris Containers,Redhat cluster service

PROFESSIONAL EXPERIENCE:

Confidential, Minneapolis,MN

Sr. Linux Admin

Responsibilities:

• Senior Systems Administrator working in a server Enterprise facility:
• Supporting a data center environment with mix of RedHat Enterprise Linux and Sun Solaris server.
• Deploy, configure RHEL servers through KICKSTART utility
• Maintain patch management on Redhat environment through RHN
• Install Configure and Support TIBCO EMS and BW (Business Work) environment
• Install Configure and Support ftp, ftps and sftp environment
• Install Configure and Support RedHat Enterprise cluster environment
• Use multipath, powerpath utility tool for provisioning LUNs to physical server
• Support virtual hosts in VMware environments
• Write shell scripts to maintain and monitor various automated process
• Configure and supporting nis/LDAP environment for user authentication
• Maintain systems users with appropriate naming service
• Monitor analysis and debug system logs
• Design, implement, and configure disaster recovery plans for operating systems, databases, networks, servers, and software applications.
• Monitor, analysis and debug backup logs
• Design, configure and maintain local area network
• Design, configure and maintain network based multi tier file system for the Data center
• Configure and maintain Network Attach server (NAS) as network storage
• Write and apply a lot of Shell scripts with cronjob to maintain and monitor different automated regular task (backup, system status, disk space usages, cleanup unnecessary files from the systems)
• Spend a considerable portion of time supporting various network servers and Cisco core equipments.
• Install and maintain network availability and performance monitoring and notification system.
• Resolve all IP network issues to reduce waste and downtime while also ensuring client Service Level Agreements.
• Maintain, update and change routers and switches configurations depending on corporate requirements.
• Troubleshoot and resolve network issues traveling to remote sites to maintain functionality and support seamless and ongoing operations.
• Document network problems and changes working in diverse management environments.

Environment: HP DL580-DL380 G3,G4,G5,G7, Dell PowerEdge, Redhat Enterprise Linux(RHEL) 5x/6x, Oracle Enterprise Linux (OEL) 5x/6x, CentOS, AIX, HP-UX, VMWare ESX, VCenter, VSphere, VMWare converter,P2V, V2V, Netbackup, Oracle, DB2, MySQL, DNS, SFTP, PowerPath, LVM, Java, Jenkins, Apache, Tomcat, WebSphere, WebLogic, MQM, ETL, Informatica, Hadoop, NFS, NAS, RPM, YUM, LDAP, Common system administration tools, Active Directory, Redhat Cluster, Redhat Satellite server, Puppet, Cloud, BASH Scripting.

Confidential,Richmond,VA

Linux Admin

Responsibilities:

• Design, implement, and maintain large-scale environment of Unix/ Linux servers, backup systems, and the associated software and hardware to ensure maximum performance, efficiency, scalability, and availability.
• Configure UNIX/ Linux environments with NIS/NIS+ configuration and maintain
• Install and maintain Version controlling (Clear Case Multi site) server for development environment
• Involved with J2EE environment setup. Install, configure, tuning, and support Weblogic, JBoss, TomCat and Apache servers for test and production environment
• Installation and configuration of RedHat Enterprise Linux enviornment: regular OS Installation
• Install Redhat provided third party package according to the service requirement
• Write kickstart profile according to service requirement and install OS with kickstart with support of nfs and web server
• Implement Software label raid configuration (LMV) configure local file system for the system according to service requirements
• Configure single/multiple network interface for network connectivity configure network file system for service requirements
• Install and update software/applications with yum utilities
• Implement local/remote user authentication service (nis, LDAP)
• Implement name regulation service for the system (DNS)
• Implement system security trough Selinux and iptable.
• Installation and configuration of Sun Solaris environment:
• Regular OS Installation
• Use Jump start for OS installation with support of Jump Start server
• Configure local file system according to service requirements
• Configure single/multiple network interface for network connectivity
• Configure network file system for service requirements
• Configure large file system with Solaris ZFS
• Configure and maintain remote user authentication service (nis, nis+, LDAP)
• Configure the global zone
• Prepare file system and zone root path for non-global zone
• Identify IP address and hostname for non-global zone
• Use zonecfg command to create non-global zone and set IP address and other environment for non-global zones.
• Use zoneadm command to install and maintain all non-global zones.
• Configure and maintain Solaris environment with SMC
• Configure and implement OS level virtualization with Solaris Zoning and VMware
• Install C/C++ compiler (Workshop 4.2,5.0 Forte 6.0,6 update Sun ONE 8.0 A.10.32.20, C++ HPCPLUSPLUS A.10.22, IBM AIX XL C 3.1.4, IBM AIX XL C++ 3.1.4, DEC C, Version 5.6-071, DEC C++, Version 6.0-010) in development environment and update them with appropriate patches

Environment: RHEL 4.x/5.x/6.x, Solaris 9,10&11, HPUX, Centos, SUSE 10, 11, VERITAS Volume Manager 3.x/ 4.x, VERITAS Storage Foundation 5, Redhat Cluster, VERITAS Cluster Server 4.1, Tripwire, NFS, DNS, SAN/NAS.

Confidential,Tuscon,AZ

Linux Admin

Responsibilities:

• Installed and configured several hundred Red Hat Blade and VMware ESXi 4.1, 5& 5.5 Virtual Environment.
• Configured Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes.
• Installing and configuring Red Hat Enterprise Linux 5, 6.1 using kick start servers and virtual
• Responsible for installation, Configuration and administration of Oracle10g/11g database on Linux and Windows 2003 Servers and also an integral part of the backup and recovery.
• Installing and updating packages using YUM (custom YUM servers/repositories) and Red Hat Satellite Server.
• Configured and Administered Apache, VSFTPD services, MYSQL and Tomcat.
• Participating in 24x7 production on-call support of Linux and provided technical support to users.
• Configured and deployed patches, upgrades, bug fixes on both physical and virtual Red Hat Linux servers using satellite servers.
• Implemented rapid provisioning and life cycle management for Redhat LINUX using kickstart.
• Expertise in security hardening (iptables/selinux) major Production Servers, and compiling, building and installing web server based Linux tools.
• Experience in performing, uploading and upgrading new firmware on the Interconnects and Chassis
• Proficient in providing support on the deployed Red Hat Enterprise Linux & Sun Solaris servers from both operating system level and application Level.
• Expertise in configuring Red Hat Cluster Nodes for any legacy applications and verified the daily health check on the Cluster Nodes utilizing clusters.
• Expertise in creating VM Templates, cloning and managing Snapshots.
• Expertise in working with MySQL databases, Apache Web server, Tomcat Application Servers
• Troubleshooting any performance or configuration issues with MySQL and Oracle.
• Expertise in hardening, Linux Server and Compiling, Building and installing Apache Server from sources with minimum modules.
• Monitoring and troubleshoot backups and schedule Cron jobs.
• Experience in scripting using BASH & PERL
• Worked on Mail Server, Samba Server, Apache Server.
• Worked on configuring NIS, NFS, DNS, DHCP, FTP, FSTP, Telnet and RAID levels.
• Extensive experience in network management TCP/IP, NIS, DNS, NFS, VLAN.
• Experience in database replication using OCFS2 file system with oracle 10g and 11g database.
• Experience in deploying several sets of Linux guest builds from VMware templates using PowerCLI as well as Red Hat Satellite Server.
• Experience in deploying RHEL 5.x, 6.1 in a blade environment.
• Patch management of servers and maintaining server's environment in Development/QA/Staging/Production.
• Resolving assigned remedy tickets and remedy tools in Development/QA/Staging/Production.

Environment: Redhat4x, 5x, Solaris 9/10, AIX, HP-UX,VMware ESX 5.0/5.1/5.5, VSphere,HPProLiant Servers DL 380/580,Dell Servers (R series),Windows 2008 sever, EMCClariion, Netapp, SCSI, VMWare converter, ApacheWebserver, F5 load balancer, oracle,, PHP, DNS, DHCP, BASH, NFS, NAS, Spacewalk, Tomcat, Kickstart.

Confidential

Unix/Linux System Administrator

Responsibilities:

• Supported Solaris/Linux servers in production/QA/Development Environment, including Solaris Zone and RHEL VM's.
• Installed ESXi 4.1 Hypervisor on HP Servers.
• Installing, configuring and maintaining apache, samba, Web Sphere& Web Logic Application Servers and Nagois .
• Worked on VMware, VMware View, vSphere 4.0.
• Installation of systems using Jumpstart for Sun Servers and Kickstart for RHEL on HP Hw.
• Configure, support and perform routine maintenance of hardware and software for Linux and Solaris servers.
• Launching Amazon EC2 Cloud Instances using Amazon Images (Linux/ Ubuntu) and Configuring launched instances with respect to specific applications.
• Supported 200+ AWS cloud instances running Ubuntu, Redhat and Windows environments.
• Involved in Hardware and software evaluation, recommendation and vendor management.
• Automation of various administrative tasks on multiple servers using Puppet.
• Deployed Puppet, Puppet Dashboard, and Puppet DB for configuration management to existing infrastructure.
• Proficient in installation, configuration and maintenance of applications like Apache, LDAP, PHP
• Involved installing and managing different automation and monitoring tools on Redhat Linux like Nagios, Splunk and Puppet.
• Resolved config issues and problems related to OS, NFS mounts, LDAP user ids DNS and issues.
• Experience in creation and maintenance of ZFS file systems / set quotas.
• Regularly applying patches for Redhat Linux, Sun and HP systems.
• Develop Unix Shell scripts for regular and periodic jobs and also for sysadmin jobs.
• Extensively worked with Business, Application, Database, Network and SAN Team for project requirement.
• Project co-ordination and providing technical advice on system to management
• Plan, document, review and maintain system administration guidelines and policies
• Manage and co-ordinate Unix and Linux administration tasks
• Ensure Data Center operation meets required service levels
• 24x7 support for the UNIX servers. Rotating on call pager responsibilities for Production environment.

Environnent: Solaris 9 & 10, RHEL 4.X,5.x,6.x, Sun Ultra Sparc T5220,T5240,; HP DL360, 380 & 580; VMware, Solstice Disk Suites, ZFS; Volume Manager (VxVm) 4.1, Veritas Cluster server (VCS), VMware.

Confidential

Unix System Engainer

Responsibilities:

• Provided 24 X 7 on call support (locally and remotely) for around 500+ sun servers in a Data Center Production Environment
• Performed Red hat Linux Kick-start Installation - Sun Solaris Jump start Installation.
• Preformed Installation, adding and replacement of Disks, Cards and Maintenance of SUN Servers.
• Installed, upgraded and loaded Patches and Packages on Sun Servers.
• Attended to users, developer problems; did troubleshoot the system and end user issues.
• Created and maintained Operating System Installation Documents.
• Monitored system performance, tune-up kernel parameter, added /removed /administered hosts, users.
• Scheduled Jobs using CRONTAB and AT Utility and wrote shell scripts to automate System Process.
• Managed NIS, NFS and Send mail Server.
• Added more resources like Memory, Disks and increasing the Swap.
• Performed User and Group Management using Admintool.
• Involved in documenting of Linux and Windows environment and configuration details including documentation of solutions for any issues that have not been discovered previously.

Environment: Solaris 8, Sun Enterprise, Servers E4500 and E3500, Sun SPARC 1000, Perl, shell Scripting, CRONTAB/AT.