SUMMARY:

• Over 8 years of IT industry experience in Linux/AIX Engineering, Unix system administration and production support of various applications on Sun Solaris, Ubuntu and Windows environment.
• Worked extensively in planning, designing, installing, migrating and configuration and implementing on Sun Solaris 9, 10, 11 and RHEL 3,4,5,6.
• Experience with OpenStack (Nova, Swift, Glance, Keystone, Neutron, Melange, Entropy), Hyper - V, XenServer, XenClassic, VirtualBox, Vagrant, some LXC, some KVM, some VMware.
• Possess good experience using jumpstart servers for the purpose of installing, upgrade and configuring Linux servers via kickstart.
• Experienced in monitoring and administering Sun Solaris servers and clients in open systems environment on Enterprise class servers for operating systems, software patches, hardware and drivers.
• Highly experienced in implementing Raid’s 0/1/5 using Veritas Volume Manager, LVM, SVM and ZFS.
• Worked extensively in on different tools like Veritas Volume Manager, Veritas file system, Veritas Cluster, Veritas Net Backup and Disk suite for disk Management.
• Experience in User Management, Group Management and R-Utilities, Telnet and FTP.
• Experience on installing, configuring and upgrading of servers using PXE(KPXE,GPXE) through PUPPET and Redhat satellite servers.
• Proven experience in configuring and maintain Zones and LDOMS on E15, E20k servers.
• Experienced in configuring and administering NFS, NIS, FTP and LDAP with very good understanding of networking protocols such as TCP/IP, DNS and SMTP.
• Familiar with the functionalities of IMS entities like I/P/S-CSCF, HSS, SGSN, GGSN, SIP AS etc.
• Experienced with SAN, NAS and Storage administration, fdhcp with EMC Clarion & DMX storage administration. Configured Sun Multi-Packs, Storage Arrays, T3’s and SAN backup for disaster recovery.
• Provided support for multi-path Fiber Channel storage systems, as well as Solaris servers configured with multiple Fiber Channel (FC), Host Bus Adapters (HBA) on a Storage Area Network (SAN).
• Excellent skills in analyzing, designing, implementing and system integration, knowledge on switches, Routers and Firewalls.

TECHNICAL SKILLS:

HP: Blade servers, Dell PowerEdge, Fujitsu Primepower, Sun Fire 280R/V 480/4800/3800/12 K Server, Sun Enterprise 4500/6500/450/420 R/250 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1,5,10, IBM RS/6000 and pSeries, DEC DS20, ES40

Web Application Server: Tomcat, Apache, IBM RSA/WAS, WebLogic.

Database: Oracle RAC, Oracle DBA, DB2/UDB, AS/400, Sybase.

Languages: SQL, PL SQL, Java, C, C++, SQL, JavaScript, Shell, Python, Perl, UNIX

Operating System: Windows 2000/2008/XP,/2012 Windows NT, UNIX, Sun Solaris, LINUX

Clusters: Veritas Cluster, Sun cluster.

EXPERIENCE:

Confidential, Commack, NY

Sr. Linux/Unix Engineer

Responsibilities:

• Installation of RHEL 5.0/6.0, Ubuntu and Solaris 10 using kickstart/jumpstart and custom building the servers.
• Linux / UNIX administration and Enterprise Server Integration.
• Migration of servers for DC consolidation and tech-refreshes.
• Providing 24/7 support for on-call on Red Hat Linux, Ubuntu, Solaris and AIX environments.
• Administration of Cloud-Servers Section
• Worked on installation and configuration of Oracle RAC database.
• Perform regular DBA activities including space management and performance monitoring.
• Jumpstart (JET) and kickstart for server builds
• Monitored server health and monitored infrastructure through SCOM.
• Integrate application and infrastructure monitors for new and existing implementations
• Provide administration and support of SCOM for Windows-based servers
• Install, support and configure software applications, agents and management packs related to SCOM
• Smoothly created pre-production environments and manage the portion of traffic going to them. Debug in the cloud when needed and roll back if issues are found.
• Created UAT servers on AWS using AWS IaaS dashboard
• Designed, Installed and Implemented Ansible configuration management system.
• Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Expertise in writing Bash Scripts, Perl Scripts (hash and Arrays), Python programming for deployment of Java applications on bare servers or Middleware Tools.
• Creating and managing of file system with SVM, Veritas Volume Manager, Veritas File systems, LVM, ZFS in the production, test and Development environments.
• Worked on installing and configuring Sun Solaris using jumpstart, Ubuntu, Red Hat Enterprise Linux using Kickstart.
• Creating an automated PowerShell/ Azure SQL/Power BI solution to analyse and present their Azure billing information in a very user and business friendly way.
• Tuning the kernel parameters based on the Oracle RAC database requirement.
• Implemented automations tool puppet and worked with Chef Management tool and AWS and DevOps.
• Creating and managing Development and Continuous Integration Environments using VMWare ESX, automated through Jenkins, Docker and the VMWare CLI, also involved in several projects setting up builds using Foreman, Puppet and Chef.
• Using WMS (Manhattan, ISeries), SQL Data, and reporting tool, analyzed data to control outbound aspects of nationwide shipping supply chain including invoice auditing and supply chain and inventory control
• Server hardening per PCI, SAS70 Security and SOX / DSS standards
• WMS Regression test scripts automation development and deployment using Selenium, Maven build, Jenkins CDCI and GIT repository
• Key member in server migration, data-center consolidation and data-center migration project
• Deployed and managed SUSE Linux based servers and workstations, for production and lab usage.
• Used Ansible and Cron jobs for automation.
• Maintained the Unix-based server infrastructure Kernel/firm ware, OS patches and maintenance level releases.
• Built and supported Solaris Zones and Containers on Solaris 10, 11 platforms
• Created LDOMs on Solaris 10, 11
• Integrated Build Process through Jenkins to various SCM tools like Git Hub, SVN.
• Migrated, patched, and did resource utilization of Solaris virtual servers (ldoms, zones, containers)
• Created Solaris virtual servers - zones, LDOMs (OVMs) and did p2v and v2v migrations.
• Created non-global zones (whole root and sparse root zones) for HA under Veritas Clusters.
• Scripting on shell (bash and perl) languages
• Provide data migration and complex data analysis and analytics for VMAX BU.
• Applying patches to the servers using Redhat Satellite server and yum repositories.
• Using Confluence with Jira integration as an internal knowledge base (creating wiki spaces, assigning access permissions, etc.).
• Installations for VoIP network upgrades
• Implementing fast and efficient data acquisition using Big Data processing techniques and tool
• Served as HP-UX and Linux resource for multiple projects including migrating off a mainframe driven database onto a UNIX based database
• Upgraded three HP Integrity servers from HP-UX 11.23 to HP-UX 11.31.
• Installation, Configuration and Production support of data centers with large production servers, patching of Linux, HP-UX and AIX servers.
• Installation and configuration Veritas NetBackup 6.5 on Sun/Linux Severs and performing backup, upgraded Veritas Netbackup from 3.x 5o 5.x
• Created VMware Virtual machines using vSphere and installed Red Hat Linux 5x/6 on the VMs and standalone Dell servers.
• Installed/configured EMC Storage with 0, 1 and 5, 10 RAID configurations
• Writing Splunk Queries
• Creating Applications on Splunk to analyze the Big Data
• User management and enforcing password policies
• Managing a team of DevOps engineer for infrastructure support on AWS cloud. Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of softwares through powershell scripts
• Involved in DevOps processes for build and deploy systems
• Ring in changes in production following ITIL standards under Change control mechanism.
• Configuration and troubleshooting of Veritas Filesystems having multiple disk groups for Veritas Volumes and performed Disk group administration on SAN LUNs using Veritas Volume Manager.
• Performed performance troubleshooting, kernel tuning and daily administrative work on Solaris and RHEL OSes.

Confidential, Charlotte, North Carolina

System Administrator

Responsibilities:

• Installation, configuration and Operating System upgrade on Sun Solaris 9, 10, AIX 5.X and Red Hat Linux AS 4.0/5.0 on sun Servers
• JET upgrade for jumpstart servers of Solaris builds
• Migrated applications to the AWS cloud .
• Scripting for passwordless ssh to multiple servers
• Smoothly created pre-production environments and manage the portion of traffic going to them. Debug in the cloud when needed and roll back if issues are found.
• Troubleshooting performance and functionality problems on RHEL and Solaris platforms
• Managing disk storage using Veritas Volume Manager 4.1/5.0 and Solaris Volume Manager.
• User administration on Sun Solaris and RHEL systems, HP-UX machines, management & archiving.
• Worked extensively in Korn(K-Shell) and Bash Shell Scripting.
• Shell scripting- wrote scripts in bash to automate several repetitive tasks such as finding user information from across 2900 servers for security audits on a daily basis, post server build checklists, etc.,
• Upgrading Veritas Volume Manager from 4.1 to 5.0
• Providing remote assistance to EMC professionals for installation and implementation of products EMC (Symmetrix DMX, Vmax1, Vmax2 and Vmax3).
• Installing HBA drivers, firmware and Powerpath software in Production, Development and QA servers.
• Hands-on experience on major components in Hadoop Ecosystem including Hive, HBase, HBase & Hive Integration, Sqoop, Flume & knowledge of Mapper/Reduce/HDFS Framework.
• Used Spark API over Hadoop YARN as execution engine for data analytics using Hive.
• Administering of High Availability Veritas Cluster Servers for redundancy purpose.
• Implemented puppet, Nagios, Splunk, Chef and DevOps tools
• Managing data backup and recovery operations using Veritas Netbackup.
• Installations, configurations and maintaining routers, switches, computers and VoIP (SIP) equipment.
• Managing a team of DevOps engineer for infrastructure support on AWS cloud. Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of softwares through powershell scripts
• Configured volume groups and logical volumes, extended logical volumes for file system growth using Logical Volume Manager (LVM) commands.
• Creating Resource pools and processor sets for zones.
• Installation and configuration of Solaris Zones and LDOMs.
• Coordinating with Tivoli team for setting automated alerts which include OS related alerts and Application alerts.
• Administration and Troubleshooting Solaris servers running business critical application & Websphere 5.1/6.1 applications.
• Management of user accounts and groups according to the security needs.
• Upgrading Solaris kernel and applying necessary patches.
• Performing online addition of LUNS to the servers for provisioning disk space, and resizing file systems.
• Upgrading service controller firmware on T2000/T5220 servers.
• Installing BMC package for data collection, Tivoli package for monitoring, ESM package for monitoring configuration files and troubleshooting.
• Involved in data center migration, SAN switch and SAN storage migration.
• Monitoring system resources, disk usage, scheduling backups and restore.
• Performed root cause analysis of technical issues.
• Configuring and troubleshooting NFS, FTP and SSH for users.

Confidential, Tampa, Florida

Unix System Administrator

Responsibilities:

• Built and provided support to enterprise level Servers on Linux, Solaris and AIX platforms.
• Administering Linux laptops used for financial-trading applications.
• Installation of patches and other software packages
• Disk and File system management through Solstice Disk Suite on Solaris and other logical volume manager for other flavor of UNIX.
• Configuration of Hardware and Software RAID on Digital & Sun Servers
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects, Creating Profiles, Users, Roles and maintaining system security.
• Configuration and maintenance of NIS, NFS, DHCP and DNS Servers on Solaris.
• Worked on User management, PCI SOX audits, DSS and SAS70 Security standards across Solaris, Linux and AIX environments
• Performed DBA activities like installation and configuration of Oracle RAC database, Oracle 7.x/8.x
• Managing a team of DevOps engineer for infrastructure support on AWS cloud. Creating cloud formation scripts for hosting software on AWS cloud. Automating the installation of softwares through powershell scripts.
• Performed the administration of the Domain Name Server and configuration of the Database Files.
• Troubleshooting Backup and Restore problems and performed Day-to-Day trouble shooting for the end users on Solaris based applications.
• Performed OS upgrades and Patch loading as and when required.
• Backing up and restoring files across the network
• Responsible for Installation of various software components on several servers.
• Installed and Configured Sendmail Utility on Sun UNIX Servers.
• Administering NFS Mounts.
• Troubleshooting Backup and Restore problems.

Confidential

System Administrator

Responsibilities:

• Upgrade of Veritas 3.2/3.5/4.0 to Veritas 4.1 version on Solaris 8 and 9 servers
• Experience in configuring of Sybase and Oracle RAC database resources under veritas cluster 4.1
• Created resource an service groups in Veritas Cluster environments for failovers.
• Configuration of virtual IPs as per client’s request
• Provided 24x7 on call support on rotational basis
• Troubleshooting performance issues by using tools such as top, prstat, lsof, vmstat, etc and uploading core files to vendors for Solaris and Linux OS for RC of panics.
• Performed SAN allocation to the Solaris servers depending on the requirements of the client.
• Supporting applications such as weblogic, apache, tomcat, jboss on Solaris and Linux OSes.
• Experience with Veritas Volume manager and File system
• Installation of packages and patches on Solaris, and AIX servers.
• Performed firmware upgrades on HP Blades, and p-Series platforms.
• Upgraded the AIX systems Maintenance levels
• Installation and configuration of Sun Solaris operating systems
• Using various monitoring tools like top, sar, vmstat for tuning the systems for maximum efficiency.
• Created technical documentation for troubleshooting chronic problems, updating build checklists.