SUMMARY:

• 7 years of IT professional experience in Linux, Unix System Support and Administration and production support of various applications and database, Solaris and AIX.
• Experience in Aix/Linux/Unix System Administration and Support of various applications on RHEL 4.x, 5.x, 6.x, AIX 6.1/5.3, Red Hat Linux 4, 5, 6, VSphere 4.0, 5.0, Cent OS and Windows 2000/2008/2012.
• Extensive engineering and implementation knowledge in Red hat Linux and AIX. Hands on experience architecting.
• Experienced in working on DevOps/Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management).
• Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Jenkins
• Experience in using Version Control Tools Sub - Version, Git.
• Manage VMware systems in engineering and production - deploy VM’s, track capacity, update templates and perform backups
• Manage and document production system backup and recovery procedures for offsite disk and tape storage
• Document system configurations, server, OS, and VM build practices, backup procedures, troubleshooting guides, and keep infrastructure drawings current with changes
• Analyze and resolve problems involving interaction between applications, server hardware/firmware/OS and storage by working with software developers, QA, and equipment vendors.
• Installation and implementing of Ansible.
• Involved in P8 hardware migration of servers from p5& p6 to p7 & p8.
• Backup and restore of POWERVM also worked on Dual POWERVM project, configured Hard drive Ethernet and Shared Ethernet Adapter failover through POWERVM. Configured IVE, VLAN, link aggregator, NPIV.
• Built PowerHA 6.1, 7.1 clusters and migrated servers with AIX 6.1,7.1.
• Experience in AIX system Engineer and Provided support to AIX servers version 5.3, 6.1, 7.1 on Blade center, P690, P650,p7-720,P7-740,p7-770,p7-780,p7-795,P8-822,P8-850,P8-870 AIX servers, LPAR, DLPAR, POWERVM.
• Provided technical expertise for automation systems in support of OS, patch deployments, configuration changes, compliance reports, and general scripting leveraging BladeLogic.
• Experience on Red hat satellite servers .
• Experience in Supporting, installation and configuration of various Third Party Middleware tools.
• Build Virtual and bare-metal systems on an as needed basis.
• Creating and maintaining user accounts, profiles, security, rights, disk space, and process monitoring.
• Installation and configuration of web hosting administration such as FTP, SSH, RSH, Telnet, and HTTP.
• Configuring and administering NFS, NIS, NIS+,DNS, and SFTP
• Strong knowledge of system performance and monitoring tools.
• Veritas NetBackup backup server installs, configuring and maintenance of server and clients.
• Working knowledge of VMWare vCenter. Working knowledge of HP Blade Virtual Connect.
• Networking communication skills and protocols such as TCP/IP, NFS, DNS, LDAP, DHCP, NTP and SMTP
• 24x7 On call support and availability
• Excellent troubleshooting, problem management, documentation and training skills.

TECHNICAL SKILLS:

Operating Systems: AIX 5.3, 6.1 & 7.1, Red hat Linux EL 4.x, 5.x, 6.x

Virtualization: VIO, LPAR, DLPAR, HMC,SAN,SEA

Network: NFS & NAS, TCP/IP, DNS, DHCP, LDAP, HTTP, SSH.

Hardware: IBM p5, P6 & P7s series, SVC Storage Appliance

Backup: mksysb, tar, backup & restore,savevg,restvg

Clusters: HACMP 5.5, POWERHA

WORK EXPERIENCE:

Confidential, Deerfield, IL

UNIX Engineer (Linux, Cloud)

Responsibilities:

• Work involves providing Architectural and Technical Assistance in UNIX and Storage, 24/7 customer support for external customers that includes nonstandard trouble shooting tasks.
• Working on different platforms including Red hat Linux, Solaris and AIX. Nature of work involves solving problems relating to Operating system, Web server related problems, Application server related problems, Managing Network Appliance Servers etc. Also involves managing HA + environment running Veritas, HACMP/PowerHA for AIX.
• Worked with the Linux administration team to prepare and configure the systems to support Hadoop deployment.
• Worked on BMC BladeLogic Server Automation activities - Adding Servers, Creation of Packages, Jobs, Snapshots, Audits etc.
• Installed and configured Red Hat Satellite server for package transfer across servers, to store client's system profile and to control other servers in the network.
• Experience in installation, configuration, file system management and RAID volume management through Veritas Volume Manager ( Solaris ), Logical Volume Manager (HP-UX, Linux) and Solaris Volume Manager. Creation of Solaris Volume Manager and configuration of Soft Partitions.
• Experience in installation, configuration and maintenance of the Veritas Cluster Server, Sun Cluster Server and HP Service Guard for fail over, High Availability and redundancy purpose.
• Deployed Ansible and Ansible Tower as well as developed all of the playbooks to automate Red Hat deployments, patching, and dozens of operational tasks. This dramatically decreased the resources required to perform these tasks as most of them could now be scheduled.
• Leveraged Elastic Stack (ELK) to centralize system and application logs and developed real-time visualizations to spot trends and identify issues quickly.
• Proactively monitor, enhance and resolve issues related to the daily operations of the AWS infrastructure.
• Experience in installation, configuration, maintenance and troubleshooting the Zones/Containers, SMF and ZFS on Sun Solaris.
• Experience in configuring Global File System (GFS) on Linux and Zettabyte File System (ZFS) by creating pools, snapshots and clones on Solaris.
• Supported Oracle RAC (Real Application Cluster) Database.
• Provided technical support for backup/restore performing System Backups from tapes using ufsdump, ufsrestore, tar and cpio. Application Backups using Veritas Net Backup
• Implemented AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups.
• Installation and configuration of Veritas Storage Foundation Suite, Volume Manager, Cluster Servers & Veritas File systems (Vxfs)
• Providing SAN support including zoning and LUN provisioning, troubleshooting, capacity planning and reporting.
• Using Linux Kickstart, Sun Jumpstart to build and deploy RHEL and Solaris servers. Installing and configuring and Linux VMs on ESX for various applications.
• Backup support, install and configure NetBackup master and media servers, monitor and support the backup needs of all platforms.
• Setup, configure and maintain 2 and more node Veritas Cluster (VCS) High Availability to support Oracle Database and other application. Extensive experience with Volume manager software and
• Extensive experience with virtualization. Solaris zones and containers Performing day-to-day system administrator activities, troubleshooting, and storage assignments
• Maintaining Patches and Packages to keep the servers up to date with latest OS versions
• Updating Operating systems to latest maintenance levels and applying fix packs
• Presents status reports to management team.
• Monitor the change plan and ensure that all scheduled changes are managed and implemented in a timely manner.
• Ensure that events are closed within documented time frames and comply with in SLA’s.
• Strive for completeness in all tasks while paying attention to detail and produce error-free work.
• Troubleshooting issues related to NFS both at Client and Server side
• Write shell scripts to customize any customer specific application requirement
• Scheduled corn jobs for job automation
• Setup NIC bonding for servers with critical information.
• Adding and removing virtual swap space as necessary
• Administration of Users and File Systems on Solaris AIX and Linux.

Linux/Devops Administrator

Responsibilities:

• Installation, configuration, maintenance, Administration, and support of Red hat.
• Kickstart/Jumpstart multiple servers with hands-off installation using Cisco standard images.
• Configuration & Installation of Red hat Linux 5, 6 & 7 by using Kick Start and customized scripts.
• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS Etc with Opscode Chef Cookbooks/Recipes.
• Troubleshooting issues related to DNS, NIS, NFS, DHCP, Sendmail on Linux and Solaris Operating Systems.
• Working knowledge on the TCP/IP protocols RSH, SSH, RCP, SCP.
• Administration and auditing the SUN servers and installation of the patches on production and development systems.
• Wrote Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of Open stack Nodes and Test Playbooks on AWS instances using Python.
• Automate Continuous Build and Deploy Scripts for Jenkins Continuous Integration tools.
• Managed and optimize the Continuous Delivery tools like Jenkins and Install, Configure, Administer Jenkins Continuous Integration Tool
• Configured & Deployed ESX/ESXi server in corporate production environment.
• ESX Server and troubleshooting business critical issues in a production environment.
• Splunk dashboard creation and advanced searching and reporting.
• Standardize Splunk forwarder deployment, configuration and maintenance in Linux and windows platforms.
• Create role based AD access for Splunk.
• Prepared, arranged and tested Splunk search strings and operational strings.
• Installing and configuring Puppet.
• Wrote Puppet manifests for deploying, configuring, Install shield and managing collected for metric collection and monitoring.
• Install and Configure Virtual Machines (VM), VM tools on ESX boxes from the GUI and console.
• Configuring NFS, NIS, DNS, Auto-mounter and disk Space management on SUN servers.
• SENDMAIL configuration and administration, testing the mail server.
• Implementation and management of network attached storage (NAS), with expertise in NetApp Disk Arrays, NAS IP replication, de-duplication,
• Setup of full networking services and protocols on AIX, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
• Dealing with user id deletion with removing entries from CRONTAB.
• Clearing tickets in all monitored systems, and ensure where possible that these tickets are cleared at first touch.
• Performed daily Backups using Veritas NetBackup.
• Providing day-to-day user administration like adding or deleting users, password aging, installation, configuration and administration of UNIX and Windows NT Servers.
• Provided support for local and remote users.
• Troubleshooting Backup and Restore problems.
• Installed Configured and maintained IBM WebSphere Application Server 5.x/6.x on AIX /Linux/Windows2003/SunSolaris Involved in migration of the applications.
• Used WebSphere backup and restore scripts for backing up WebSphere repository
• From WebSphere 5.x to 6.0 and worked closely with development team. Applied Refresh packs, fix packs and cumulative fixes for WebSphere, IHS and plug-in.
• Constant Monitoring of System Performance. Involved in Day-to-Day trouble shooting for the end users on Solaris based applications.
• Installed and Configured Send mail Utility on UNIX Servers.
• Limited time Work experience on Windows OS Administration.
• Resolving Operating Systems related issues of Solaris, making sure that the users get the proper environment for testing.
• Coordinating and planning for better utilization of resources in Labs and Reporting the management about it.
• Provision and assign storage according to business requirements.
• My responsibilities included assigning storage to Windows and Sun servers, by configuring storage groups, assigning LUN’s, registering HBA’s to hosts in the CLARiON environment, mapping devices, and performing LUN masking in the Symmetrix/DMX environment.

Linux/Unix Administrator

Responsibilities:

• Installation, configuration, maintenance, Administration, and support on Redhat Linux.
• Responsible for maintaining the integrity and security of the enterprise UNIX (Linux /Solaris) servers and systems.
• Image machines using Jumpstart / Kickstart to install Solaris 10 and Red Hat Enterprise Linux.
• Maintains a disaster recovery plan. Creates backup capabilities adequate for the recovery of data and understands concepts and processes of replication for disaster recovery.
• Maintains DNS, NFS, and DHCP, printing, mail, web, and FTP services for the enterprise.
• Manages UNIX account maintenance including additions, changes, and removals.
• User administration for all the NIS users.
• Supporting NetApp filers by closely working with the NetApp storage team.
• Forecast storage needs. Work with the site management to determine future disk requirements.
• Works with the application teams and other IT department personnel to coordinate system software changes and support application changes.
• Experienced in deploying portlets for WebSphere Portal Server (WPS)
• Name Service design, best-practices, configuration & maintenance (NIS, LDAP, DNS)
• Troubleshooting the network issues and response problems.
• Storgae allocation for users across filers/volumes on site without over-allocating disk space.
• Working knowledge of the IP protocol suite, specifically relating to the applications and services that utilize these protocols: SSH, NNTP, DNS, SMTP, HTTP.
• Provide application support on UNIX / Linux and Solaris.
• Work individually or on a team on various system projects related to Application Support.
• Debug and correct installed system software as required.
• Plan, prepare and apply maintenance fixes to system software as required.
• Tune system software for peak performance and availability.
• Provide off shift on call support for system support. Make system hardware and software recommendations as required.
• Configure and Manage Sun / Dell and HP hardware.
• Assist application owner in application troubleshooting, software package installation & creation.
• Perform backup / restore and monitor Netbackup & HP Data Protector backup tools.
• Perform Tape handling for all the filled tapes coming out of the MSL Tape libraries.
• Configuration, administration and management of external storage (SAN/NAS).
• Writing shell & Perl scripts to automate redundant jobs.
• Installation and configuration of HA environment using Sun or Veritas Cluster.
• Setup NIC bonding for servers with critical information.
• Recommends and implements security policies and standards and ensures adherence to procedures.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to user’s tickets from HP-OVSC.

Unix Administrator (AIX/Linux)

Responsibilities:

• Installation and administration of AIX p5 servers.
• Upgrade IBM AIX maintenance levels, perform failover/fallback procedures.
• Wrote shell scripts for automated installations, to extract logs.
• Handling paging space issues like creating new paging spaces, changing attributes of page space & managing default paging space (hd6).
• Backing up the system using mksysb, and alt disk backup
• Monitoring system performance
• Managing User ang Group administration
• Performing System Storage management and jfs/jfs2 Filesystems.
• Network file system management, which includes exporting, mounting and unmounting an NFS.
• Running snaps utility and collect system information and work with IBM Engineers to fix any system issues.
• Perform User Account management and user’s logon support.
• Working on NIM server, Creating and mksysb for new installation and OS recovery
• Working with HMC & HACMP
• Knowledge on LPAR, VIO