SUMMARY

Over 12 years of experience in technology primarily as infrastructure expert. Highly skilled Infrastructure (Unix/Linux) and Cloud Computing Engineer with exceptional skills and ability for design, planning, management, maintenance and support. Excellent analytical & problem - solving skills and strong ability to work with minimal supervision.

TECHNICAL SKILLS

Operating Systems: Linux, Solaris and Windows

Cloud Computing: Microsoft Azure and Red Hat OpenStack

High Availability: Veritas Cluster Server & Red Hat Cluster 6/7

Volume Management: Veritas Volume Manager, LVM and ZFS

Storage System: Hitachi, EMC and IBM

Virtualization: Docker, Oracle VM, Solaris LDOM & ESXi

Shell Scripting: Python, bourne & Korn shell

Automation Tools: Ansible, Puppet and Chef

Hardware: UCS M4/M5, Sun hardware M9000, M5000, SunFire x4100, x4200, x4600, x4640, T2000, T5220, T5120, T5440, T3, T4, T5 & Sun Blade T6320

Networking:TCP/IP, NFS, NIS, DHCP and FTP

Monitoring: Service now, SMURF, HP Open View, SMC, Smart, & Foglight

Internet Technologies: Web Server, FTP Servers, SFTP & TFTP Server

Middleware Applications: Weblogic, Glassfish, Tomcat and JBoss

PROFESSIONAL EXPERIENCE

Confidential

Sr. Infrastructure Specialist

Responsibilities:

• Provide 24/7 support for production & non-production systems running on SUN Solaris & Linux Servers for Confidential .
• Supporting more than 1000 UNIX servers running on Solaris 10, Solaris 11 with LDOM, zones and Red Hat Linux 5/6 and 7
• Currently working on Server migration project. Building LDOM Domains (Primary and alternate) and move application from old hardware to new virtual host.
• Worked on Storage migration (SAN) project on Linux and Solaris servers.
• Worked on system and application audit (follow the security guideline).
• Setup automated script to identify any security risk on application file / directory (s).
• Report sent to Release Management team for review and action accordingly.
• Worked on automate the Linux installation through kickstart server.
• Also configure all hardening script through kickstart.
• Installed and configured 2 node Linux Clustering for DB2 database
• Currently working on server virtualization project using LDOM & zones (Solaris 10 & 11)
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using HP Service Center Change management system.
• Writing Ansible playbook to automate UNIX infrastructure and application daily tasks.
• Creating Template and survey forms for playbook in Ansible tower in order to control all necessary actions.

Confidential

Sr. UNIX Infrastructure Specialist

Responsibilities:

• Provide 24/7 support for production & non-production systems running on SUN Solaris & Linux Servers for Confidential Bank.
• Supporting more than 500 UNIX servers running on Solaris 8,10 with LDOM and zones
• I am also involved for RCA (Root cause analysis) for any production outage.
• Currently working on Server migration project and also working on Veritas SF & Cluster upgrade project to 6.0
• Worked on Datacenter migration project for Confidential
• Currently Installed and configured 2 node Veritas Cluster on Redhat Linux 6.3
• Currently working on server virtualization project using LDOM & zones (Solaris 10 & 11)
• Configured Live Upgrade procedure for Solaris patching on Dev/UAT and PROD environment.
• Supporting more than 20 VCS cluster nodes (2 nodes, 3 nodes and 4 nodes) including Oracle database servers (SFRAC) and active/passive cluster servers
• Applying latest recommended Solaris 10 kernel patch bundle through LIVE Upgrade and Firmware upgrade on Sun T5120, T5220, M3000, M4000 and M4 & x86.
• Currently working on VxVM (Veritas Volume manager) and ZFS for volume management.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using HP Service Center Change management system.
• Working on shell scripting to automate the jobs also writing script for day to day Unix work

Confidential

Sr. System Support Specialist

Responsibilities:

• Provide 24/7 support for production & non-production systems running on SUN Solaris & Linux Servers for Confidential, Inc.
• Installed and configured Weblogic 12 in DEV/UAT & PROD environments
• Support business application for FIELON/ANVIL, Fund Manager, CSM, WCMS, GASL/GLE & Data Mart running under Weblogic application server.
• Supported more than 200 UNIX servers running on Solaris 8,10 & 11 with LDOM and zones
• Worked on server virtualization project using LDOM & zones (Solaris 10 & 11)
• Creating storage pools and configuring mirror and RAIDZ volumes using ZFS file system on Solaris 10 & 11.
• Also using snapshot functionality for backup and recovery of zones.
• Worked on SAN migration project from old HDS to new HDS V.
• Configured Live Upgrade procedure for Solaris patching on Dev/UAT and PROD environment.
• Supported more than 10 VCS cluster nodes (2 nodes, 3 nodes and 4 nodes) including Oracle database servers (SFRAC) and active/passive cluster servers
• Applied latest recommended Solaris 10 kernel patch bundle and Firmware upgrade on Sun Fire V440, V880, V890, T5120, T2000, M3000, M4000 and M3 & x86 through xvm ops
• Using VxVM (Veritas Volume manager) and ZFS for volume management.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using HP Service Center Change management system.
• Working on shell scripting to automate the jobs also writing script for day to day Unix work

Confidential

Sr. UNIX Consultant

Responsibilities:

• Worked on SAN migration project to virtualized physical IBM storage through IBM SVC for Confidential
• Worked on Veritas upgrade from 4.1 to 5.0 for Confidential
• Provide 24/7 support for production & non-production systems running on SUN Solaris & RedHat Linux servers for Sun Life Financial Group.
• Supporting more than 400 UNIX servers running on Solaris 10 with LDOM and containers.
• Working on SAN migration project (from EMC to IBM) and also working on OS refresh project for SUN Life.
• Supporting more than 20 Cluster nodes including Oracle database servers.
• Configuring new cluster based on business requirement.
• Using Live upgrade process for patching and Solaris release upgrade.
• Configuring and Maintaining LDOM controller (primary and secondary), guest LDOM and also configured Solaris containers in each guest LDOM.
• Using VxVM (Veritas Volume manager) & SVM for volume management.
• Configured Veritas cluser srever for FileNet Applcation.
• Worked on shell scripting to automate the jobs and also writing script for day to day Unix work
• Maintaining and managing Jumpstart server by using JET SUNWjet.
• Installation and configurations are fully automated through jumpstart.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using HP Service Center Change management system.
• Configured IPMP and LACP (Link Aggregation Control Protocol) in our production and non-production servers for network redundancy

Confidential

Sr. UNIX Specialist

Responsibilities:

• Provide 24/7 support for production systems running on SUN Solaris & RedHat Linux servers for Confidential Airmiles reward program
• Supporting more than 300 production systems running on Solaris 10 with LDOM and Zones (containers) technology.
• Supporting oracle RAC 4 node database servers running on Solaris 10
• Supporting JBoss Elite (Java and 4GL) applications and Weblogic applications running on version 9 & 10.
• JBoss elite, 4 GL patches and also deployment of Weblogic applications through weblogic console in regular maintenance window.
• Upgrade latest recommended Solaris 10 kernel patch bundle and Firmware upgrade on Sun Fire x4100, x4200, x4600, Sparc T2000, T5220, Sun blades T6320 servers.
• Creating storage pools and configuring Stripe, Mirror, and RAIDs using ZFS file system on Solaris 10.
• Maintaining LDOM controller, guest LDOM and configured containers in each guest LDOM.
• Maintaining SFTP (JSCAP) servers in production environment.
• Configured and maintaining LDAP servers.
• Maintaining LDAP user accounts, netgroup, groups and maintaining sudo access for application account & admin account.
• We are in process to decommission sudo access and introducing pfexec command to provide the application user account privileges.
• Migrated VMs on ESX 4.0. Maintaining 4 nodes ESX cluster with vmotion functionality.
• Managing zones backup through zfs snapshot technology.
• Using VVM (Veritas Volume manager) and zfs file system for volume management.
• Configured and maintaining 3 nodes Cluster server by using Veritas cluster (VCS 5.0) for database server.
• Working on shell script to automate the jobs also writing script day to day Unix work
• Configuring and administering NFS, CIFS, DNS, and SFTP on Sun Solaris server environment
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using Altris Change management system.
• Configured IPMP and LACP (Link Aggregation Control Protocol) in our production and non-production servers for network redundancy
• Maintaining 5 Oracle RAC servers running on Solaris 10 platform.
• Using SMART, eHealth, & Foglight technologies to monitor our production and non-production environment.

Confidential

UNIX Infrastructure Engineer

Responsibilities:

• Provide 24/7 support for SAP application running on SUN Solaris & RedHat Linux servers for Halliburton (ESG) group.
• Supporting more then 50 servers for Halliburton (UAT, PTE & PROD) environment.
• Working on Veritas Volume Manger, File System and Cluster Server 4.1.
• Worked on server’s migration project and build Database servers for DB CI & Application servers also involved in SAP upgrade and Unicode conversion project.
• Build two nodes Veritas Cluster for oracle 10g and SAP applications.
• Manage and maintain two nodes Cluster for Oracle 10g and ERP applications.
• Install & upgrade SUN Solaris operating system from 8 to 10 U4.
• Installation, performance management, patching, maintenance, troubleshooting of production servers.
• Configured and deploy the HDS SMS100 in our production environment and also maintaining USP100, USP600, SMS100 & AMS500 storage devices.
• Routine work is to configure the storage cluster hostgroup, map the luns and WWN to appropriate host.
• Also configured 2 controllers for data path at storage level for load balancing and I/O failure.
• Maintain True Copy (TC) between 2 data center and implement Shadow Image (SI) in secondary side to make a copy of production data for backup, development and reporting purpose.
• Managing 2 Brocade switches 4100 for redundancy of data path coming from storage and also use 2 port HBA card at host system to maintain the redundancy and availability of data.
• Configured the zoning on brocade switches as per business requirement.
• Configured DMP at OS level for path failure and load balancing on host side.
• Maintained the integrity of all production systems and device improvements to them to reduce the effect of problems on the business, eliminate recurring problems, increase the reliability of those systems and reduce the cost of running them.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using OVSD.
• Disaster Recovery plan was implemented in Filenet Server for Halliburton group.
• Configured IPMP and administered TCP/IP.

Confidential

Systems & Storage Engineer

Responsibilities:

• Provide 24/7 SUN Solaris server support for Confidential .
• Responsible for installation, configuration and proper running of Solaris & Linux servers in our production environment.
• Configured JumpStart server in our production environment.
• Installation and upgrade of OS and software packages on SUN servers.
• Upgrading Veritas Software 3.5 to 4.1. (File system, Volume Manger and Cluster Server).
• Configured Netbackup Software on Sun Solaris servers and Linux servers.
• Performed daily, weekly and monthly backup of production systems.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using HP Open View Service Desk (OVSD).
• Working experience of ZFS file system and Solaris containers to create a virtual operating system.
• Manage two nodes Cluster for Oracle RAC 9i Servers.
• Support of corporate backup/restore environment using with Veritas Netbackup.
• Configured and support TFTP server running on Redhat Linux.
• Working on script for device configuration files (Cisco & Juniper devices) which is auto run on
• TFTP server for device configuration backup.
• Configured SAMBA on RedHat Linux server.
• Configured and support HP Openview NNM 7.51 server running on Solaris 10.
• Involve into purchasing hardware.

Confidential

UNIX Administrator

Responsibilities:

• Provide 24/7 SUN Solaris server support for Confidential Bank.
• Supporting more then 150 servers for Confidential (UAT, PTE & PROD) environment.
• Install & upgrade SUN Solaris operating system software.
• Installation, performance management, patching, maintenance, troubleshooting of production servers.
• Upgrading Veritas Software. (File system, Volume Manger and Cluster Server).
• Installation of Solaris Patches and Firmware upgrade on SunFire 280R, V1280, 450, & 4800.
• Managing and Maintain Web Logic servers and iPlanet in production environment.
• Incident & Problem Management through “OVSD” (HP Open Vew Service Desk)
• Maintained the integrity of all production systems and devise improvements to them to reduce the effect of problems on the business, eliminate recurring problems, increase the reliability of those systems and reduce the cost of running them.
• Coordinated the Change Management process and perform software upgrade, kernel upgrade & patches deployments in Unix Servers with ITIL standards by using “INFOMAN”.
• Operability testing for Unix Boxes (Sun Fire Servers).
• Monitoring Hardware & applications using “ITO”.
• Manage two nodes Parallel Cluster for Oracle RAC 9i Servers.
• Configured and administered TCP/IP.
• Disaster Recovery plan was implemented in Contingency mode for Confidential .