SUMMARY

• An articulate and motivated System Administrator seeking a position which can utilize my 5 years of combined experience and problem solving capabilities becomes an asset and beneficial to the organization in LINUX/UNIX/AWS Administration, Engineering wif expertise in Red Hat/SUSE Linux, Cloud Implementations.
• Experienced in installing, configuring, Troubleshooting, System Security, monitoring, managing, maintaining and Performance Analysis of Linux (Red Hat, SuSE), IBM AIX, HP - UX, Cloud.
• Involved in installation, configuration, and administration of RHEL 5x/6.x/7.x servers using Kickstart and Jumpstart Servers, Red Hat Satellite Servers and Interactive installation.
• Experience in administering well versed Red Hat Enterprise Linux wif solid administrative noledge of Apache and JBoss.
• Experience in updating YUM Repository and Red Hat Package Manager (RPM).
• Linux-based Virtualization implementations wif VMware, KVM.
• Strong understanding of VMware Networking concepts like creation of vSwitches, different types ofport groups, NIC Teaming and VLAN. Design, build, install and configure Red Hat Enterprise Linux servers & workstations.
• Create and administer Red Hat Enterprise Linux operating systems to implement on the existing network.
• Experience in Installing, configuring and maintaining the file sharing servers - HTTP, SAMBA, NFS, FTP and Web Sphere & Web Logic Application Servers, Nagios and Chef.
• Installed and configured SAMBA Server for windows and installed and configured LAMP (Linux, Apache, MySQL, and PHP) for different applications.
• Supported HPC(High Performance Computing) Environments utilizing HP Blades and High End Graphics.
• Build, configure and deploy VMs and templates. Completed Physical-to-Virtual (P2V), Virtual-to-Virtual (V2V) and Virtual-to-Physical (V2P) migration of Windows NT, 2000, 2003, & 2008, as well as Linux servers from VMware, Hyper-V and legacy hardware.
• Managed Amazon Web Services (AWS) like EC2, S3 bucket, RDS, EBS, ELB, Auto-Scaling, AMI, IAM through AWS Console and API Integration wif Puppet Code.
• Ensured data integrity and data security on AWS technology. Understood and monitored metrics on AWS.
• Created Bash, shell python scripts for various Systems Administration tasks to automate repeated processes.
• Writing playbooks for Ansible and deploying applications using Ansible, Ansible-vault encryption mechanism.
• Experienced in managing DNS using Route53 of AWS.
• Worked in EC2, S3, ELB, Auto scaling Servers, Glacier, Storage Lifecycle rules, Elastic Beanstalk, Cloud Formation, Cloud Front, RDS, VPC, Route 53, Cloud watch, IAM &Roles, SNS subscription service.
• Excellent Knowledge of application Lifecycle Management, Change & Release Management and ITIL process.
• Experienced in working wif version control systems like Subversion, GIT, used Source code management client tools like GitBash, GitHub, Git Lab.
• Experience in using configuration management tools like Puppet/ Chef.
• Production experience in large environments using configuration management tools like Puppet supporting Puppet Environment and involved in developing manifests.
• In-depth experience in setting up, maintaining and enhancing CI tools, particularly Jenkins.
• Experience in using version-controlling tools like Subversion (SVN), GIT.
• Experience in merging, tagging and conflict resolution in GIT.
• Significantly worked on Hudson/Jenkins for continuous integration and for End to End automation for all build and deployments.
• Build, configured and installed through NIM countless VIOS, LPAR’s and DLPAR’s on p-series p570, p590, p780, p795, e880.
• Expertise in Planning, Installation, Configuration and Maintenance of IBM HACMP on AIX 6.1/7.1/7.2 from scratch.
• Worked on Live partition mobility (AIX 6.1 / 7.1)
• Experience in Migration of HACMP 4.3.1/4.5/5.1 to HACMP 5.4 using Node-by-Node migration wifout changing the cluster setup.
• Experience wif EMC VMAX, Symmetrix, FAST, IBM’s SVC and DS 4800, 6800 and 8000 SAN.
• Performed User Account management, data backups, and user logon support.
• Experienced in configuring and supporting Logical Partitions/Micro Partitions (LPAR/DLPAR), via HMC (Hardware Management Console).
• Experienced in implementing the Workload Management (WLM)
• Extensive experience in Security remediation, Critical Assessments, Disaster Recovery and Virtualization.
• Proven ability to Define System requirements, recommended solutions, analyze capacity and make appropriate modifications.

TECHNICAL SKILLS

Operating Systems: Red Hat 5.x/6.x/7.x, SUSE 11.x, HP-UX 11.x, AIX 5.x/6.x/7.x, Sun Solaris 7/8, Windows 95/98/XP/NT Server.

Hardware: IBM p-series e880, p795, p740, p620, p630, p650, p690, p5-series p570, p575, p590 RS6000, EMC SAN Clarion Symmetrix, FAST, HP (ProLiant, G5, G6, G7 & G8)

Languages: Perl, python & Shell Scripts.

Cloud & Virtualization: VMware Workstation, VSphere, AWS

Databases: IBM DB2, Oracle DB, MS-SQL Server, MS- Access, SAP HANA.

Tools: /Applications: Developer, J2EE, WSAD, TPM, Resource Analyzer, Log Analyzer.

Web/App Servers

: IBM WebSphere 3.5/4.0/5.0, VMAX, Weblogic, Netscape Enterprise Server (3.6.3/iPlanet), VMware. Apache, IBM HTTP Server, Tomcat, Splunk, Storix, Ansible, Git.

Networking: TCP/IP, NFS, DNS, DHCP, HTTP, SSH, FTP/TFTP, SFTP.

Other Skills: KVM, VMware, VIOS, PowerHA 7.1, HACMP/ES 4.5, 5.X, Samba, TWS Veritas Volume Manager, TSM, Tivoli Storage Management,.

Domain Knowledge: Insurance, Banking, Manufacturing, Automobiles, Engineering, Pharmaceuticals.

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Linux and Cloud Work Load Migration Engineer

Responsibilities:

• Installing, managing, troubleshooting, securing, configuring and tuning critical servers on LINUX platforms
• Responsible for installing, upgrading and administering the (RHEL 5.x, 6.x & 7.x) servers using Anaconda and Kickstart installation.
• Configure and install RHEL and CENTOS Linux Servers on both virtual machine and bare metal Installation.
• Implemented upgrade of servers using Redhat Satellite Server.
• Performed daily administration of Redhat Satellite servers to prevent outage and plans for optimized system resource utilization.
• Managed physical storage by creating physical, extended and logical partitions including swap partitions. Examining and modifying file system parameters.
• Managed Logical volumes by Implemented LVM storage, extended logical volumes and file system, extending and reducing volume group, creating snapshot of a logical volume for data backup.
• Configured Linux network, basic Trouble Shooting process, Diagnose and corrective network problems.
• Proactive maintenance on systems by timely upgrading Patches to the systems and applications.
• Installed, removed and updated packages/group packages wif yum.
• Administered User and groups: Add/remove user accounts, set/change user passwords, customize password aging policies for the users.
• Secured Linux file access by modifying file and directory permissions, modified file ownership, restrict a file based on a set of specified restrictions using UGO permission scheme, grant or block file access using ACLs.
• Deployed file sharing services like ftp and http.
• Network User accounts wif LDAP: auto-mount existing NFS home directories for remote users.
• Diagnosed and resolved problems associated wif DNS, DHCP, VPN, NFS, and Apache.
• Performed Configuration Management wif Kickstart, Puppet and Spacewalk.
• Creating and managing Development and Continuous Integration Environments using VMWare ESX, automated through Jenkins using PXE boot, Perl and the VMware CLI, also involved in several projects setting up builds using Katello, Foreman, Puppet and Chef.
• Created Puppet manifests for automating server tasks, installing and monitoring.
• Imported and managed multiple corporate applications into Subversion (SVN).
• Configured and maintained the Shell/Perl deployment scripts for Web logic and UNIX servers.
• Produced comprehensive architecture strategy for environment mapping in AWS that involved Active Directory, LDAP, AWS Identity and Access Management (IAM) Role for AWS API Gateway platform. Implemented Micro Services wif AWS EC Docker, code build, packaging, pipeline, provisioning, deploy, commit process and change management.
• Support day to day system infrastructure both internally and systems hosted in the AWS/EC2 cloud infrastructure.
• Configured/maintained Nagios core services to manage both internal and AWS hosted systems.
• Implementing new projects builds framework using Jenkins & maven as build framework tools.
• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS Etc. wif Chef
• Wrote Chef Cookbooks wif Python SSH as the Wrapper to Manage Configurations of AWS and Test cookbooks on AWS instances using Python.
• Managing Amazon Web Services (AWS) infrastructure wif automation and configuration management tools such as Chef.
• Integrated existing VMware systems into AWS/EC2 cloud infrastructure
• Implemented Migration from VMWARE to AWS using VMDK Import tools.
• Involved in automation by using Puppet running On RHEL wif around 500+ clients
• Creating new build jobs, Integration testing jobs and deploy jobs in Jenkins to automate the process.
• Implemented &maintained the branching and build/release strategies utilizing Subversion in Linux environments.
• Provided support and monitored the performance of UNIX/Linux/Solaris Environment.
• Provided Web Server Support Apache/Tomcat, IIS, JBOSS, and Websphere .

Confidential, Colegeville, PA

LINUX /Cloud Platform Engineer

Responsibilities:

• Responsible for build, configure and maintain SLES 11 SP4 LPARS on E880 IBM Power servers.
• Implemented and administered VMware ESX 4.x/5.x for running the Solaris X86 and Red Hat Linux Servers and performed migration activities from p2v.
• Installing, Upgrading, Patching, Configuring and Administrating (Red Hat Linux) RHEL 5, 6.x, SLES 11.4 & Centos 6.X using Kick start, Jumpstart, custom configuration like package management, volume management of servers.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Installing Red Hat Linux using kick start and applying security polices for hardening the server based on the company policies, worked wif Linux Kernel, CF engine.
• Troubleshooting and administering High Availability using VERITAS Cluster Server on various business critical database & application production servers.
• Maintaining and coordination of the production and non-production environments (OS patching, DB patching and configuration changes to support other interface changes.
• Participated in Incident management and outage calls related to Network and application related issues and TEMPeffectively contributed towards issue resolution. Configured Management Tools (PUPPET, CHEF).
• Network configuration for interfaces, switch ports, Ethernet cards, host names, net mask and routes details, DNS, NFS, LDAP, NTP and SNMP etc.
• Planned and performed the upgrades on Linux operating systems and hardware maintenance on HP and POWER servers like increasing memory, disk, replacing failed hardware.
• Installed DB2, Web Sphere Application Servers on Linux and AIX.
• Build, manage and maintain Linux VMs wif VMware.
• Red HatLinuxin a HPC environment.
• Installed patches and packages installation on Linux/Unix Environment.
• Big Fix patching for both Windows andLinuxRHEL servers
• Upgrades, installs, configuration and administration security and monitoring tools on Linux.
• Providing supplementary documentation where required to the project team for Service Lifecycle Management (SLM) compliance.
• Used IP tables to set up, maintain, and inspect the tables of IPv4 packet filter rules in the Linux kernel.
• Troubleshooting and analysis of hardware and software failures for various Linux servers (core dump and log file analysis). Managing spfile and pfile for performance tuning.
• Worked on webserver configuration like Apache & Weblogic on both Linux & UNIX.
• Performed patching, backups on multiple environments of Solaris and Linux.
• Used third-party software resource agents that ship wif Red Hat Enterprise Linux (SAP, Oracle 10g/11g)
• Documenting any architecture solutions according to the BTI standards.
• Perform LAMP installation and configuration on Ubuntu and Amazon Linux instances.
• Create Route 53 DNS entry for domain name resolution.
• Create and manage S3 buckets.
• Configure Virtual Private Cloud (VPC) wif both public and private subnets, NAT instances, and Elastic Load Balancers.
• Detach and attach volumes on EC2 instances
• Create AMI's and volume snapshots.
• Maintaining a farm of EC2 instances, ELB's and RDS.
• Worked on Cloud automation using AWS Cloud Formation templates.
• Installing Aix and Linux Servers on PowerVM Environment.
• Supported in AIX LPAR’s migration of data from P 0 IBM Power servers using SRDF method involving SAN Replication.
• Built and maintained AIX Power HA Clusters 7.1.3 wif supporting DR nodes.
• Familiar wif using IBM Provisioning Tool Kit to carve out the profiles for both AIX and SLES LPARS.
• Used System Storix Backup Server to drive the installation of SLES on Power Servers.
• Scheduling the jobs for Autosys and Snapshot Backups for both Boot and Data LUN Snapshots.
• Supporting SAP HANA and BASIS team on LINUX/AIX/RHEL issues where needed.
• Experienced wif SLES LVM work striped and linear XFS volumes, Network Managing, User Management through Centrify.
• Monitoring and Tuning the Performance of the servers through Splunk.

Confidential, Chicago, IL

LINUX/Cloud/AIX Administrator

Responsibilities:

• Build and prepare hardware IBM Systems p770, IBM System p750 and IBM Power8 for production and non-production servers for migration and implementation of new environment as per business requirements.
• Administering, Installing, upgrading and configuring RedHat Linux 5.x, 6.x using Kickstart Servers and Interactive Installation on Blade and HP Servers.
• Supporting EMC Power path, SAN and multi pathing, NIC bonding.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun Solaris using VCS in heterogeneous SAN environment.
• Manage existing high available application services using Linux RAC cluster and VERITAS CLUSTER server.
• Monitored the systems and administered Servers for day-to-day problems, patches, user administration, and hardware failure, monitoring log files, backup, software up gradation, configuration changes and documentation.
• Installed and configured various operating systems like HP-UX, CentOS.
• Install all necessaryHPtools onHP-UXservers and Red Hat VM's.
• Worked on Virtual Zing Red Hat servers using v Sphere 4.1/5.0 and managed ESX servers using vCenter and worked wif ESX Cluster and VMotion.
• Perform regular system administration tasks and perform troubleshooting in order to keep the UNIX/Linux environments running smoothly. Implement change management requests, resolve incident tickets through 'HP Service centre’s ticketing system. Complete UNIX/LINUX related projects on a timely manner.
• Extensive use of VERITAS Volume Manager, Logical Volume Manager and Solaris Volume Manger for disk management, filesystems management on Linux and Sun Solaris environments.
• Expert performance Tuning: kernel/ OS /LVM / network / SAN/ internal disk /applications /LAN/WAN.
• Installation and configuration VERITAS Net Backup on Linux Severs and performing Backup using VNB and also performing upgrades on dis software.
• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS etc. wif Ansible.
• Wrote Ansible Playbooks wif Python SSH as the Wrapper to Manage Configurations of Open Stack Nodes and Test Playbooks on AWS instances using Python.
• Implemented Large Scale Cloud Infrastructure (250+ servers) using AWS resources - IAM, Elastic IP, Elastic Storage, Auto Scaling, VPC, EC2, EBS, ELB, Route 53, RDS, SES, SNS, SQS, OpsWorks, EMR, Red Shift, Cloud Formation, CDN, KMS, S3, LAMBDA (Server less), Elastic Bean stalk, ECS, Cloud Front.
• Wrote python scripts to spin up the instances in AWS EC2 and OpsWorks stacks and integrated wif Auto scaling to automatically spin up the servers wif configured AMIs'.
• Performed and managed the environment related configuration changes as a part of deployment.
• Used Multi Factor Authentication to secure the AWS Account.
• Involved in migrations and automation of Linux based servers (CentOS, RHEL, Ubuntu) from on-premises to cloud platforms such as AWS.
• Supported daily and weekly routines of pushing good builds based on test results.
• Create policies for projects according to client requirements.
• Configuration and administration of Fiber Card Adapter's and handling of SAN (SAN arrays, HITACHI, EMC).
• Configure schedule snap vault backup on volumes and project shares.
• Experience in using protocols like NIS, NFS, SSH, SFTP & DNS.
• Installation and support of various applications like WebLogic server 10, WebSphere 6.1 JBoss 4.x, Apache 2.x, Oracle 9i, 10g, MySQL.
• Linux Cluster Management on Red Hat Enterprise Linux 6.
• Design, planning, implementation and management of AIX, VIO, NIM, Advanced virtualized environment and Power VM. Experience on installation and upgrade of VIOS from version 1.1 to 2.2.
• Formed part of a team assigned to install a new Flex System, pSeries blades and Intel blades; partition pSeries blades from theFSM, and installAIXfrom theFSMSW repository ; Install VMware from theFSM, and then install Red Hat and SUSE Linux on several Virtual machines on those a few blades.
• Capacity planning and hardware sizing of servers for IBM pure scale cluster setup.
• Built POWERHA 6.1 clusters and Migrated servers wif AIX 6.1/7.1
• ConfiguredIBM Tivoli Access Manager (ISM)/ Web SEAL transparent junctions to work wif an IBM same time environment IBM Tivoli Access Manager (TAM)
• Migration method SAN disk rezoning VIO or NPIV.
• Administration of the following services on Linux and UNIX: Cluster, DNS (bind), SMTP, FTP,SUDO, SSH, POP3, NTP, LDAP.
• Worked on implementingSUDOaccess for storage, DBA, Application team to use root authority.
• High Availability: Worked in designing and implementing a highly available corporate infrastructure utilizing AmazonLoadBalancing/Auto Scaling, Cluster FS, Hadoop, HDFS, Power HA System Mirror, Oracle RAC, Veritas Cluster Server/GCO, Volume Replicator, EMC Recover point /Replication Manager/SRDF Scheduled wif Ksh Script backup of Clients from NIM server. Restored mksysb images wif NIM
• Worked wif VAS tool for Joining, unjoining, deleting, linking and done a lot of troubleshooting on it.
• Performed health checking on VIO servers to ensure redundancy and load balancing for Virtual SCSI (VSCSI) and NPIV VIO clients.

Confidential, Bloomington, IL

Linux/AIX Administrator

Responsibilities:

• Worked on configurations and installations Solaris and Linux servers using Custom Jumpstart and Kick start.
• Installing Configuration and maintenance of Red Hat Linux 4/5/6, SUSE 10.3, 11.1, HP-UX 11.x, Solaris 9/10/11, and IBM AIX operating systems.
• Installation, Configuration, Administration of WebSphere Application Server (WAS v7.0) On RHEL 6.
• Installed and configured Apache/2.0.63 on RHEL 6, Integrated Apache Web Server to communicate wif Web Sphere (WAS V7.0).
• Updating patches to keep servers updated against bugs present in the operating system using Red Hat Satellite Server, yum, etc.
• Worked wif Red Hat Satellite Server to push changes across various servers simultaneously.
• Worked exclusively on VMware Virtual Environment.
• Experience in using VMware VMotion to move VM's from One Datacenter to another datacenter.
• Create users, Groups, permissions for Dev/Prod/Uat/Testing.
• Improved manageability of Linux installations through consolidation of all Linux platforms to Red Hat Enterprise Linux, deployment of Zabbix and Red Hat Satellite Server for management and monitoring.
• DM Multipath Configuration and Administration on RHEL 5.5 Server.
• Download/Install rpm's by integrating our local server wif Red Hat Satellite Server (RHN).
• Automated installation of multiple systems wif Kick start, PXE file using Anaconda program.
• Tuning of kernel parameters to improve Memory, CPU, I/O performance for Capacity planning.
• Administration of monitoring infrastructure consisting of Nagios server wif Centreon as web interface for configuration and display of performance data.Provide supports for SAP, Web Sphere, Oracle, Db2, TWS.
• Configuration YUM repository for Consolidation of RPM Packages, Management of Yum repositories. Registering and syncing Local servers wif RHN (Red Hat Satellite Server).
• Switch/Storage Migration, storage allocation, IO performance tuning.
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Configured IBM P-series 770, 750, 595, 570,550 and RS 6000 machines for production and test environments
• Managing and resolving trouble tickets for UNIX/Linux system for various users.
• Worked on VIOS and NPIV client Storage migration.
• Performing Migration and/or Preservation Installations and upgrades from AIX 5.3 to AIX 6.1and AIX 7.1.
• IBM Power VM experience including setup and management of VIO partitions and performance tuning on IBM hardware specifically, 9117-MMA.
• Implements and managing resources in VIO server for client LPAR’s.
• Host based Migration, Performed Disk mirroring, backup and restore for better data availability and Disaster Recovery.
• Provided a security and compliance solution optimized for virtualized environments onPowerSystems using IBMPowerSC.
• Perform Real time troubleshooting of VMware, windows Server and Network.
• Migrated Linux based machines and Power off Machines to virtual machines using VMware Converter boot CD.
• Responsible for Implementing Cloning, Clustering, Performance tuning and trouble shooting of IBM WebSphere Application Server 4.0/5.0.
• Worked on EMC DMX -4,DMX -3, VMAX,6633, Systemadministration.
• Migration of data from DMX to VMAX or VNX by using Open Replicator/SAN copy and host based tools like PPME.
• Create and administer Red Hat Enterprise Linux operating systems to implement on the existing network.
• Installed PowerHA on servers and fixes if required.
• Extensively involved in Backup & Restores.
• Third party software installation and upgrades, scheduled system health checks, S.A. procedure documentation, New system planning, Customer support, System related problem determination and resolution.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Defining, Scheduling, and Monitoring Backup and Admin jobs.
• Responsible for configuring LPAR for Production/Test environment and configured disks/storage/DS4000 connections.

Confidential

AIX/UNIX System Administrator

Responsibilities:

• Setup and configured TCP/IP network on LINUX and UNIX.
• Creating LPARS and configuration of DLPAR scripts for load sharing
• Responsible for the maintenance of personal PC's and Local Area Network
• Installed and configured network services such NFS, NIS and DNS Server.
• Adding Physical Volumes, creation Volume groups, File systems, Storage allocation, cron jobs, maintenance levels upgrade and applied Fixes for UNIX 5.x
• Performed extensive Logical Volume Management (LVM) tasks.
• Configured Volume Groups and Logical Volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Worked in the migration team for migration from LINUX 5.3 to 5.5 and 5.6.
• Installing, upgrading and configuring REDHAT Linux ES 4.x/5.x using KICKSTART installation.
• Setup jobs schedules for various backup and monitoring tasks. Supported wif enterprise backups using VERITAS Netback Up 4.5.
• Installed, configured and administered Web Sphere Application Server 4.x/5.0.
• Installation/Administration of TCP/IP, NIS/NIS+, NFS, DNS, NTP, Auto mounts, Send mail and Print servers as per the client’s requirement.
• Networking service, performance, and resource monitoring.
• Monitored trouble ticket queue to attend user and system calls.
• Configured Network Printers and taking regular backups.
• Installed and configured SUDO for users to access the root privileges.
• Installed application connectivity software to enable IBM print services.