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 3.x, 4.x, 5.x6.x using Kick start Servers and Interactive Installation.
• 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.
• Installation and configuration of Jboss, Web Sphere 5.1/6.0 Application Server on Solaris and Linux boxes.
• Install and maintain TNG Unicenter large number UNIX and windows enterprise systems.
• 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, 6.3,6.4,6.5

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
• 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 other server management using Red hat Satellite.
• 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

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

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.