PROFESSIONAL SUMMARY:

• Over 8 years of experience specialized in System Administration working on Red hat Linux, Solaris, SUSE Linux, AIX, VMware ESXI environments.
• Experience in administering Solaris & Linux. Experience in Installation, Configuration, Backup, Recovery, Maintenance, Support of Sun Solaris & Linux .
• Experience in Installing, upgrading and configuring Red Hat Linux 5.x 6.x 7.x using Kick start Servers and Interactive Installation.
• Experience with the overall maintenance and management of Red Hat Satellite 5.x and 6.x
• Experience in Installing, upgrading and configuring SUN Solaris 8, 9 and 10 on Sun Servers using Jumpstart Servers, Flash Archives and Interactive Installation.
• Worked with Database administrators to tune kernel for Oracle installations.
• Experience with VERITAS Volume Manager (VxVM), VERITAS File System (VxFS), VERITAS Net Backup, VERITAS Clustering with SAN, NAS environment.
• Experience in installing, configuring and implementing the RAID technologies using various tools like VxVM and Solaris volume manager.
• Experience in Creation and managing user accounts, security, rights, disk space and process monitoring in Solaris and Red hat Linux.
• Experience in Conducting Architectural Design reviews with stake holders and client teams
• Installation and upgradation of Packages and OS Patches configuration mgmt., version control, service pack. & reviewing connectivity issue regarding security problem using Red hat Satellite.
• Experience in configuration of NIS , NIS+, DNS, DHCP, NFS, LDAP, SAMBA, send mail, ftp, remote access, Puppet, security management and Security trouble shooting skills.
• Experience on Webservers such as planet Webserver 6.0 /Sun one web server 6.3, 6.5, Tomcat 3.x,4.x,5.x & Apache Server 1.x, 2.x and integrating them with Web logic 10.x servers .
• Experience in administering VMware Infrastructure Client 3.5 and Vsphere 4.0, 5.0, Xen, KVM.
• Installation and configuration of Oracle RAC 11g on Solaris, AIX and Red Hatcluster nodes.
• Expertise in scripting for automation, and monitoring using Shell, PHP, Python & Perl scripts.
• Experience in Installing Firmware Upgrades, kernel patches, systems configuration, performance tuning on Unix/Linux systems.
• Experience in devops for automating, building, deploying, managing as Configuration Management, Continuous Integration, Continuous deployment using Dockers, Containers, Jenkins, Puppet from on environment to another environment
• Experience working in SAN environment like EMC Symmetrix DMX3, DMX4 and Clariion CX3 series arrays.
• Creating Linux Virtual Machines using VMware Virtual Center and AIX LPARs on P550 and P570 .
• Experience on Blade logic automation tool used to upgrade operating system and Provisioning for newly build servers.
• Performed vulnerability Assessment for all client computing systems infrastructure using Qualys .
• Application of Qualys tool for external web - server vulnerability scanning, reporting, and remediation
• Experience supporting 24x7 production computing environments. Experience providing on-call and weekendsupport .

TECHNICAL SKILLS:

Operating Systems: Sun Solaris 10, 9, 8, Red Hat Linux (4.X, 5.X. 6.X. 7.X) ES & AS, HP-UX, IBM-AIX, Windows 2003/XP/2000,ESXI 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 X-series and P-series, IBM RS6000, Sun Storage Array D1000,A5000. HP Proliant

Software: VERITAS File System, VERITAS Volume Manager, Solaris Volume Manage, Solistice Disk Suite 4.x.,Vmware Vsphere 5.X, 6.X,Red hat satellite.

Tape Hardware: Storage tek tape libraries L40, L80, L180, L700, Sl500, Sl850, DAT & DLT, STK 9940B, 9840B, LTOs

Cluster: VERITAS Cluster Server, Red Hat Cluster Server

Web/Application Server: Tomcat, Apache, IBM RSA/WAS, Web Logic

Scripting Languages: Born, Bash, KSH & Perl

Database: Oracle, DB2/UDB, AS/400, Sybase

Languages: C ++, Java, VB 6.0, XML, HTML, Perl, Shell Scripting

Devops: Tomcat, Jenkins, Dockers, Containers, Kubernetes,puppet, Red hat Satellite 6.2, 6.3,6.4

PROFESSIONAL EXPERIENCE:

Confidential, Eagan, MN

System Engineer

Responsibilities:

• Administration of RHEL5.x, 6.x , 7.x Solaris, AIX, VMware ESXI which includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 5.5, 6.0 and server builds using Delta cloud platform.
• Deployed VMware ESXi 5.X,6.X host clusters and migrating servers between ESX hosts, Xen servers
• Installing Red Hat Linux using kick start and applying security polices for hardening the server based on the company policies.
• Experience in installing the VERITAS , installing and configuring the Veritas cluster server (VCS), Veritas HA using the Veritas storage administration
• Build LPAR system and Installed AIX 5.3 and 6.1 on LPAR using NIM Power 4, Power 5 systems and Upgraded Maintenance level as well.
• RPM and YUM package installations, OS patching and content management using Red hat Satellite.
• Experience with overall configuration and maintenance of Red hat Satellite 6.4,6.5.
• Set up user and group login ID's, SSSD Installs printing parameters, network configuration, password, resolving permissions issues, user and group quota.
• Experience in managing systems via an automated configuration management system such as, Ansible Tower, Blade Logic.
• Installing, administering Red hat using Xen, KVM based hypervisors.
• Installed and verified that all AIX/Linux patches or updates are applied to the servers.
• Management/troubleshooting of Veritas cluster server and Veritas File System
• Managing systems routine backup, scheduling jobs like disabling and enabling cron jobs, enabling system logging, network logging of servers for maintenance, performance tuning, testing.
• Worked and performed data-center operations including rack mounting, cabling.
• Installed, configured, and maintained Weblogic10.x and Oracle10g on Solaris & Red hat Linux.
• Configuring multipath, adding SAN and creating physical volumes, volume groups, logical volumes.
• Installing and configuring Apache and supporting them on Linux production servers.
• Experience in devops for automating, building, deploying, managing as Configuration Management, Continuous Integration, Continuous deployment using Dockers, Containers, Jenkins, Puppet from on environment to another environment.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IPtables , firewall, TCP wrappers, NMAP.
• Involved in Implementation of Oracle RAC and ORACLE ASM.
• Designed and script automated database jobs using UNIX Korn , Bash and Shell scripting.
• Preparing servers for Oracle RAC installation which includes tuning the kernel, agent installation, adding NAS storage.
• Installed, manually configured Sun machines through jumpstart installation on S un Fire and Enterprise servers . Installed, configured Zones, LDOMs in S un Solaris 10.
• Worked on resolving production issues and documenting Root Cause Analysis and updating the tickets using Service now & HP Service manager.
• Designing Firewall rules for new servers to enable communication with application, Oracle 10g servers.
• Worked on Decommission of servers in both Solaris and Linux Environment.
• Monitored server and application performance & tuning via various stat commands ( vmstat, nfsstat, iostat etc) and tuned I/O, memory, etc.
• Installation and configuration of VxVM 5.0 and creating disk groups, volumes, increasing volumes.
• Coordinated with the Storage, Network and Hardware teams on server provisions ( HP Proliant DL385/585 G5, G6 servers, and HP BL465CG5 blade centers).
• Supporting 24x7 production computing environments and providing on-call and weekendsupport .

Environment: Red-Hat Linux Enterprise servers (HP ProLiant DL 585, BL 465/485,ML Series All IBM X-series), VMware 5.X, Solaris 8,9,10, (Sun T2000,V490, V890,M5000etc..),AIX 5.3, 6.1,(All IBM P-series) SAN(Netapp), Blade Logic, VERITAS Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6, Containers, Docker, Jenkins, Puppet,VMware Virtual Client 5.5, VMware Infrastructure 5 and 6.

Confidential, Frisco, TX

System Engineer

Responsibilities:

• Installing and configuring SUN Solaris 10 on Sun Servers using jumpstart and Red Hat Linux 5.x using kick start installation.
• Use Blade Logic Configuration Manager to upgrade Solaris and Linux operating Systems as well as update firmware, HBA, EMCpower and Banktools through Bladelogic.
• Written NSH script in Bladelogic to create Falr image and Tar file backups for Solaris and Linux Servers.
• Use Bladelogic Provisioning Manager to build new Solaris and Linux Servers.
• Performed patching and OS upgrades (rebuilds) and associate hardware break/fix , triage and software Installations related to the patching and OS upgrade activities.
• Provisioned and build CHP (compute host platform) Red hat Linux 6.1 virtual machines, these servers based cloud computing.
• Installed and configured Solaris 10 servers with Zones and containers on SUN M5000 and T2000 Servers with SUN ZFS.
• Provided day to day build support in an environment consisting of thousands of Solaris, Linux servers for a 24x7 demanding trading division with emphasis on responsiveness and project ownership.
• Expertise in AWS Cloud platform and its features which includes EC2 , AMI, EBS Cloud watch, AWS Config, Auto-scaling, IAM user management and AWS S3.
• Worked on Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef and Puppet.
• Provided rotational on call responsibilities to support issues that arises as the result of patching, upgrades or server rebuilds performed by the team.
• Performed capacity & costing models for MSN Web Calling architectural design project along with IP addressing schema
• Work with Engineering groups, Web Commerce Group, to plan, design,scope and implement development projects on pre-production as well as production systems.
• Implemented Maven builds with Jenkins to automate JAR, WAR.
• Experience in devops for automating, building, deploying, managing as Configuration Management, Continuous Integration, Continuous deployment using Dockers, Containers, Jenkins, Puppet from on environment to another environment
• Responsible for automation of key Unix Systems administration tasks such as User admin, scripting , setting up connectivity, backup and automation scripting and keeping system documentation up to date.
• Experience working with Solaris Zones/Containers and new features of Solaris 10, zone reconfiguration and file system layout modification of the containers supporting the Sybase and Oracle database.
• Experience working with Puppet, Chef, Ansible for automation, testing and deployment.
• Expertise in Installation, configuration, administration and troubleshooting IBM WebSphere Application Server.
• Installed and upgrade HBA Drivers , Firmware, Power Path and SAN Agents like NAVIAGENT, NAVICLI and NAVISCLI for EMC SAN storage.
• Installed Hadoop on Red hat Cluster servers.
• Setup Hadoop Distributed File System (HDFS) for high-throughput access to application data.
• Worked on Openstack (Ginger), creating servers, security groups, assigning resources.
• Worked on puppet which includes writing modules, manifests and pushing new profiles to Puppet.
• Worked on weekly decommission process on enterprise wide servers in based on request from customers, take all necessary due diligence before shutting the servers.
• Worked and performed data-center operations including rack mounting, cabling.
• Communication with customers, data center personals and Vendors on decommissioned based servers.
• RPM and YUM package installations, OS patching and other server management using Red hat Satellite.
• Attended team meetings , change control meetings to update installation progress , and for upcoming change in environment.
• Documented installation procedures, changes required in present environment and Provide server remediation to ensure all vulnerabilities have been addressed.

Environment: Red-Hat Linux Enterprise servers (HP ProLiant DL 585, BL 465/485,ML Series All IBM X-series),VMware 5.X Solaris 8,9,10, (Sun T2000,V490, V890,M5000etc..),AIX 5.3, 6.1,(All IBM P-series) SAN(Netapp), Blade Logic, VERITAS Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,Containers, Docker, Jenkins, Puppet, VMware Virtual Client 5.5, VMware Infrastructure 5 and 6

Confidential, Irving, TX

UNIX/Linux Admin and Support

Responsibilities:

• Installation, Configuration, up gradation and administration of Sun Solaris, Red Hat Linux .
• User account management and support.
• Jumpstart &Kick-start OS integration, DDNS, DHCP, SMTP, Samba, NFS, FTP, SSH, LDAP integration.
• Network traffic control, IPsec , Quos , VLAN , Proxy , Radius integration on Cisco Hardware via Red Hat Linux Software.
• Responsible for configuring and managing Squid server in Linux.
• Configuration and Administration of NIS environment.
• Managing file systems and disk management using Solstice Disk suite.
• Involved in Installing and configuring of NFS .
• Worked on Solaris volume manager to create file systems as per user and database requirements.
• Trouble shooting the system and end user issues.
• Responsible for configuring real time backup of web servers.
• Log file was managed for troubleshooting and probable errors.
• Responsible for reviewing all open tickets, resolve and close any existing tickets .
• Document solutions for any issues that have not been discovered previously.
• Installed and configured nodes on a VERITAS Cluster in a SAN environment, adding VCS agents for Oracle, Sybase, troubleshooting fail over issues, resource management.
• Performs installation, customization and maintenance of the network and server operating systemand system software products in support of business processing requirements.
• Manage service impacting events and track resolution within established service level commitments by using appropriate diagnostic procedures, tools and processes to prevent a network outage
• Experience in managing systems via an automated configuration management system such as, Ansible Tower, BladeLogic.
• Experience creating and managing native OS packages desirable. Use V-Sphere to set computer to last known good configuration to prevent a boot loop, change the VLAN, and request increase space in hard drive
• Maintain the storage clusters for our storage team. Working closely with Storage team to maintain storage services.
• Performed service restoration of incidents on Linux and UNIX servers and escalating to the appropriate team as needed (Network Team, Storage, VM Team)
• Installs, configures, and maintains Linux based operating systems in a world-wide enterprise environment consisting of Red Hat Linux

Environment: Red-Hat Linux Enterprise servers (HP ProLiant DL 585, BL 465/485,ML Series), Solaris 8,9,10, AIX 5.3, 6.1, SAN(Netapp), Blade Logic, VERITAS Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,VMware Virtual Client 3.5, VMware Infrastructure 3.5.

Confidential, Phoenix AZ

UNIX/Linux Admin and Support

Responsibilities:

• Installation, configuration and administration on Veritas Cluster Server, Redhat Cluster & HP-MC Service Guard on various business critical databases and application production servers.
• Installation and troubleshooting of Redhat Linux (9, 8) and SUSE Linux.
• Successfully configured Kickstart in Linux.
• Configured NFS, NIS, NIS+, DNS, Disk Space Management and Sendmail of Sun Servers.
• Creating User accounts, Mail account, groups, configuring printers, and etc.
• Planning & creating volumes and Scheduling the job, making sure the recommended processes are taken care while volumes are created.
• Created Role Based Access Control (RBAC) for users.
• Set up Quotas for the user accounts & limiting the disk space usage.
• Configured auto mounts/maps for the user accounts.
• Creation and Configuration of additional swap/tmp space dynamically as and when required.
• Creating new file system, managing & checking data consistency of the file system.
• Metadevices, applying RAID levels, mirroring the devices, and soft partitioning.
• Installed and configured Redhat satellite server for patch and package management.
• Installation of Packages and required Patches to the application.
• Setup, configuring and Backup management using Veritas Net Backup.
• Daily Monitoring of Net Backup activity and reporting to proactively avoid issues.
• Worked with database administration staff to ensure optimal performance of databases, and maintain development applications, databases, and ensure database backup completed successfully.
• Involved in Data Center migration, planning and consolidation of networks from client site to the central site.
• Implementation of RAID techniques using Veritas Volume Manager and Logical Volume Manger.
• Written Shell and Perl Scripting for automation of jobs.
• Configured new service group & resources for new application in Veritas Cluster Server.
• Monitored System performance and did kernel tuning to enhance the system performance.
• Apply security Patches, updates using YUM.
• Creation, Re-size and deletion of Logical volumes using LVM.
• Set-up software raid on Linux servers using MDADM.
• Perform Kernel Parameters tuning to enhance performance of Linux servers.
• Troubleshooting of day to day system and user problems

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, Sun Fire V440/880, DMX 3 & DMX4, Site minder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.

Confidential, San Mateo, CA

UNIX Administrator/Application Support

Responsibilities:

• Configured kickstartserver and updating/applying patches to the servers using Redhat Satellite server .
• Plan, design, Implementing, Installation and configuration Operating System Installation and upgrade on Red Hat Linux 4,5 & Solaris a 10.x on & HP-Dl585, DELL DRAC and VMware.
• Configured Kick Start Server and build severs using kick-start server.
• Build Yum repository Server for Development team to upload packages.
• Written UNIX Shell scripts for monitoring & clean up old files.
• Creating and deleting and managing user accounts and managing user quotas on the Network.
• Installed LDAP server and configured it to Centreon & Nagios monitoring tool.
• Administration/Configuration of Print Servers/Clients in the Network, planning, configuration and maintenance of connectivity for servers as well TCP/IP configuration.
• Network trouble-shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop'.
• Experience in Developing KORN, BASH, PERL, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Involved in Implementation of Oracle RAC and ORACLE ASM.
• Administration and Troubleshooting Redhat servers running business critical application & Web Logic applications.
• Installation of web logic , upgraded to service pack updates, installed. BEA patches , configuring and creation new domain, start and stop web logic server .
• Production support of Apache , Apache HTTPD,JBoss, Tomcat including installation, configuration, management and troubleshooting.
• Configure and maintain Windows 2000 Server that runs DNS , DHCP and active directory services.
• Formatted raw disks & partitioned them using the fdisk utility. Created file system using newfs and mounted it.
• Configuring of nodes, Virtual IP, Private and Public network for Oracle RAC .
• Utilized Linux Terminal Server for removing fat client management, save on administration Provide users with a more reliable & secure environment.
• Disk and File system management through VERITAS Volume Manager & Solstice Disk Suite on Solaris, Logical Volume Manager in HP-UX.
• Implementation of numerous VMware ESX virtual machines ( 2.5.x and 3.0 ).
• Experience in creating Groups , Resources , Setting the resource properties and making Resource Online on MS Cluster Service .
• Worked in configuring and setup connectivity between web servers , database servers and directory servers as a process server administrator.

Environment: Solaris 8,9,10, Red Hat Linux AS/EL 4.0, AIX 5.2, 5.3, Sun E10k, E25K, E4500, Sun Fire V440/880, DMX 3 & DMX4, Site minder, SonicMQ 7.0, VxFS 4.1, VxVM 4.1, SVM.