SUMMARY

• Over 10 years IT experience as a DevOps/Linux Engineer worked in different Legacy/Cloud Architecture with supporting Deployment Operations.
• Experience in creating the organization’s DevOps strategy in a mix environment of Linux (RHEL, Ubuntu) servers along with creating and implementing a cloud strategy based on Amazon Web Services
• Experience in Setup and build AWS infrastructure with various resources VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in Cloud Formation. implementation, and support of large scale web farm infrastructure across multiple region in AWS environment.
• Experience with OpenStack Cloud Architecture and worked with different versions like Folsom, Havana and Kilo.
• Hands on experience with the OpenStack services like Horizon, Nova, Neutron, Keystone, Ceilometer, Glance, Cinder, Heat.
• Automation of Infrastructure using Heat Orchestration Templates to deploy the VM’s and required services.
• Working with VMware ESXi 5.x & 6.x version with the Vcenter & Creation of iSCSI, NFS Storage pools, working with datastores for the new LUNs and VMotion and troubleshooting
• Working with KVM machines and managing them using virsh and Libvirt in RHEL and Ubuntu Operating systems.
• Experience in working with Docker, Docker images pushing to Docker Hub and working with the disks and networks in Docker.
• Working on Kuberenetes using Docker, managing Master controller/Minions and replication controller
• Experienced in setting up Chef Server/Workstation and Bootstrapping nodes. Wrote recipes and utilized community cookbooks as well. Testing with test kitchen and data bags management
• Experience in working with configuration management tools like Ansible, creating playbook using yaml and gathering system facts using Ansible.
• Puppet enterprise installation and configuration and manifests customization in puppet.
• Extensively worked on Jenkins CI pipelines for continuous integration and for end - to-end automation for all build and deployments using distributed Jenkins setup
• Working with Identical production environment for the Blue-Green Deployment to reduce the risk
• Schedule the execution of builds and ensure that all build failures are resolved in a timely manner, support SCM(Software Configuration Management) and Build environment
• Assist the Developers team in implementing best practices for software build and deployment.
• Manage servers, Self-signed certificates, webservers and load balancers and maintaining source code repositories like git/GitHub
• Working intensively with Git/GitHub, git push, pull, commit and branch creation merging issues.
• Expertise in Troubleshooting and debug environment and infrastructure problems found in the production and non-production environment
• Actively monitor and administer the applications, triage and provide technical solutions to environment related issues encountered by new and existing applications in the environment
• Extensive working experience in working on with Agile environment and have a Full understanding of SDLC and process.
• Measurement, optimization, and tuning of system performance to ensure the systems run reliably and highly available in a 24/7 production environment
• Working knowledge with log monitoring tools like Splunk and Kibana.

TECHNICAL SKILLS

Operating Systems: RHEL/Centos, Ubuntu/Debian, Suse, Confidential -AIX, HP-UX, Windows server, MAC OS x

Virtualization Technologies: VMWare, KVM, Vagrant, Docker, Kubernetes

Cloud Technologies: AWS, Openstack, VCloud

Source Control/ Versioning Tools: SVN, Git, Gitlab, Github

Configuration Management Tools: Chef, Ansible, CloudFormation, Packer, Terraform

Continuous Integration Tools: Jenkins, Maven, Ant

Servers: WebSphere, Tomcat, Apache, Nginx, JBOSS Websphere, Weblogic

Programing/Scripting: Shell scripting

Databases: MySQL, Postgres SQL, MongoDB

Monitoring: Nagios, NewRelic, Alert Logic

Logging: Splunk, Kibana, Logstash

PROFESSIONAL EXPERIENCE

Confidential, Middletown, NJ

Cloud Systems Engineer

Responsibilities:

• Expertise in creating DevOps strategy in a mix environment of Linux (RHEL, CentOS and Ubuntu) servers along with Amazon Web Services.
• Experience in Infrastructure Development and Operations, involved in designing and deploying utilizing almost all theAWSstack like EC2, EBS, S3, VPC, RDS, SES, ELB, Autoscaling, CloudFront, CloudFormation, ElasticCache, CloudWatch, SNS, Route 53
• Creating the CloudFormation templates in AWS environment to automate IaaS infrastructure with the tagging to use the same template for different environments like Dev, QA, Prod
• Modifying a stack template, creating/modifying/deleting change stack by using console/AWS CLI
• DesignedAWSCloudFormation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates
• Creating S3 buckets also managing policies for S3 buckets and Glacier for storage and backup onAWS.
• Usage of IAM for the provision of access. Creation/manage roles and permissions of users to AWS account through IAM.
• Implemented and maintained the monitoring and alerting of production, corporate servers and storage using AWS Cloud Watch for efficiency
• Configuring Cloud Front to deliver content from AWS edge locations to users, allowing for further reduction of load on front-end servers
• AWSBeanstalk for deploying and scaling web applications and services developed with PHP, python, ruby and Java.
• Experience in installing/configuring chef server with management console and auto bootstrapping client with the. pem file.
• Managing Chef recipes/cookbooks and updating them as per the requirement and troubleshooting the issues.
• Troubleshooting with chef clients & nodes and managing the data bags using knife tool
• Creation of Self-signed certificates and make chef server use them.
• Experience in working with configuration management tools like Ansible, creating playbook using yaml and gathering system facts using Ansible
• Infrastructure/configuration/application management using Ansible
• Docker installation/configuration. Creation of Docker images and working with multiple images and pushing the images to Docker Hub.
• Volume management and file system creation using Docker.
• Docker network/bridge creation and inspecting network and process using top and stats.
• Setting up Kuberenetes cluster with the Installation and configuration of Master controller, minions
• Creation of Multi-pod replication controller and create/deploy service definitions using Kubernetes
• Autoscaling and scaling of Pods, recovering the failures within the clusters. Patching/editing/deleting of resources.
• Running of stateless applications like Nginx and java application using a deployment in Kuberenetes.
• Jenkins/Hudson for Continuous Integration/Continuous Deployment for End to End automation for all build and deployments from Dev/UAT to Pre-Production and Production
• Created different jobs in Jenkins like commit jobs, deployment jobs, release jobs and nightly build jobs to enforce Continuous Integration of our codebase
• Build scripts using ANT and MAVEN and have also build tools in Jenkins in moving from one environment to another.
• OpenStack Fuel installation and configuring Master/Slave node and configuring network required for Fuel and creation/managing plugins on Fuel.
• Migration of existing in infrastructure in Private OpenStack Folsom Cloud environment to integrated OpenStack Kilo cloud in different NTC location
• Managing of OpenStack Fuel compute nodes and troubleshooting any issues pertaining to OpenStack and KVM machines.
• Creation of Glance images and snapshot creation/deletion for different environment and using them for deployment in Dev, QA and Prod environment.
• Cinder Volume creation, attaching and detaching of Cinder volumes to OpenStack VM’s running on compute nodes and working with My-SQL database in case of any issues.
• Creation of Heat orchestration template and managing the OpenStack using Horizon and nova/openstack command line.
• Creating Heat orchestration template to mimic the existing private cloud environment in integrated cloud and use the same templates in different NTC locations.
• Creation/modification of tenant/project and user management and applying the quotas, access & security management.
• Creation/destroy/define/undefine of KVM’s and troubleshooting the issues for the disks and networking.
• Network topology, Neutron network management and routers, subnet management. Load balancing.

Confidential, Rhode Island

Linux/Cloud Engineer

Responsibilities:

• Installed, Administered, Configured and Deployed Red Hat Enterprise Linux 4.x/5.x/6.x,7.x CentOS and Ubuntu/SUSE operating systems
• In-depth knowledge of Cloud Computing Strategies (IaaS,PaaS,SaaS) & building, deploying in, and maintaining the cloud environment
• Building and Working with amazon EC2 instances, creating the security groups on the instance level and using cloud watch on EC2 instances
• IAM (Identity access management) in AWS, setting up roles and policies in AWS and assigning the roles and policies to the users and groups
• Working experience with the S3 storage like permissions, object versioning and webhosting with the S3
• Worked on utilizing Virtual Private Cloud, Building a VPC with the security and NAT and extending the VPC access to the on premises datacenter
• Configuring of VPC with openVPN to access the server using the openVPN from on premise datacenter, Public Subnet and private subnet creation with VPC
• Configuring SSL on Elastic Load Balancer, Troubleshooting auto-scaling issues
• Created AMI’s and ELB with the high availability and auto-scaling and creating the load balancer for the EC2 instances
• EBS Storage, EBS Volumes and snapshot and working with Private and Public IP Address & Elastic IP address
• Working with Route 53, DNS failover and setting up Latency based routing, weighted routing policies
• Launching a RDC instances and setting up RDC security groups & creating snapshot using the Amazon config service CLI
• Installing and configuring monitoring scripts for amazon EC2 instances and monitoring EBS for performance and availability.
• Installation & configuration of cobbler, Automate and manage Linux installation with Cobbler
• Adding a repo using cobbler and synching, Cobbler profile addition and server addition
• Experience in administration & configuration management of Puppet on Linux and puppet enterprise management from the console
• Experience in administration & configuration management of Chef on Linux and writing the cookies for the automation
• Applying chef to make auto scaling AWS applications and creating backup scripts using AWS CLI for linux machines
• Written puppet modules to manage OS required services such as SSH, sudoers, NFS, MySQL, Apache, JBOSS, Tomcat
• Modifying the classes as per the requirement on puppet and creating the templates and testing and also used Jenkins for the jobs automation.
• Working experience using Apache webserver and on NGINX and also using GIT for version management and configuring Linux container (LXC) and also using vagrant to deploy OS.
• Manage network interfaces on compute instances and manage open vSwitch Deployed openstack (Iaas - Icehouse & Kilo) infrastructure with Compute, Network, storage and Controller nodes
• Building & Creating of Block storage with cinder and managing Glance images in OpenStack
• Creating and managing the networks with Neutron, creation of external, internal network and routers.
• Keystone identity management, Creating and managing of Swift Objects in OpenStack environment.
• Troubleshoot Nova networking and creating Load balancer as a service using heat templates
• Planning the major patch releases by coordinating with the application team for the proper implementation of security patches within the environments
• Migrated the application from a window to Linux platform, moving of CIFS shares to Linux server and fixing the issues on them.
• GIT - branching, and merging and management of code repositories & continuous integration continuous deployment using Jenkins/Hudson
• Installation & configuration of Oracle ASM, creation of ASM disks and configure them to use for the DBA
• Upgraded EMC Power path and ODM to the latest level for the new storage LUNs migration.
• HP blade center C7000 hardware management using ILO console
• Creating the server profile and making the network and SAN virtual configuration using Virtual Connect in blade center C7000
• Creating Link aggregation (LACP) with VLAN tunneling using virtual connect (VC) & Share uplink set (SUS) using LACP & VLAN tagging
• Creating customized Kickstart profiles for each server and making ISO to build the server
• Experience in Package Management using RedHat RPM/YUM and RedHat Satellite server and creating the yum local repositories for the different versions
• Working with VMware ESXi 5.5 & 6.0 version with the Vcenter & Creation of iSCSI, NFS Storage pools, working with datastores for the new LUNs and troubleshooting
• Virtual machines deployment as per the specification’s & Managing snapshot for the virtual Hosts.
• Creation of Virtual network and vswitch configuration on ESXi and also creation of Vcenter and adding the ESXi hosts to the cluster.
• Implemented and done maintenance of the cloud infrastructure and systems, Configuration and management of MySQL.
• Troubleshooting performance, system /kernel tuning, and stability or usability issues in the broader technology environment.
• Work directly with Application Development teams to provide daily support with a model of Continuous Delivery
• Infrastructure Provisioning, Application Development and Operations teams to provide fully automated build and deployment routines for Development, Staging, and Production environments
• Writing some automation scripts using python for the jobs to schedule and reduce downtime.

Confidential, Connecticut

Sr.Systems Engineer

Responsibilities:

• Migration of AIX 5.x, 6.1, 7.1 servers to other other datacenter using mksysb backup and restoration method
• Migrating the operating systems AIX 5.x to 6.1 & & 7.1 versions
• Deploying the Redhat Linux enterprise server as like existing versions 4.3, 4.4, 5.3, 6.1 versions
• Experience designing and building cloud infrastructure with AWS, OpenStack and other cloud platforms.
• Experience with AWS cloud with EC2 Instances, S3 Storage, Virtual Private cloud, Elastic Load Balancing & EBS volumes
• Working with configuration management tools like puppet, chef and Jenkins for the automation for the infrastructure support.
• Experience in administration & configuration management of Puppet on Linux and puppet enterprise management from the console
• Writing puppet modules to work with Linux and AIX servers to get the automatic updates from the puppet master
• Troubleshooting the puppet client issue and working on the certificate issues to manage puppet clients
• Building new AIX server using lppsource, SPOT with Network Installation Manager (NIM) server.
• Building PS701. PS702 blades in the blade center H-chasis as Global LPAR for the WPAR deployment
• Blade server/hardware management using MMC console
• Building the Red hat Linux server in Vmware ESX client through Vsphere client
• Storage mapping on Red hat linux and create the Volume group, Filesystems using Logical Volume manager
• NIM administration, mksysb, lppsource & SPOT for the OS deployment & Migration.
• Migrating the existing physical machines to WPAR’s & VWPAR’s (p2V) based on the version of the existing servers
• System WPAR creation, migration from the existing datacenter using savewpar backups
• WPAR network configuration, Storage assignment & managing from the Global LPAR, Allocation of the physical resources to WPARs
• NIS server configuration and creating NIS slave to limit the server to use the authentication from different servers
• Binding all the new AIX server to NIS master to get the authentication from centralized server
• Installed/Configured redhat Linux cluster 5x version & Configuring the cluster resources
• Adding storage to the cluster disks and increasing/ decreasing the filesystem in RHEL.
• Creation of Fence devices in the cluster, Creation Failover domains for the cluster and Flipover/ Failover test in between the nodes in the cluster
• Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application
• Performing flip-over, fall back between the HA cluster nodes for checking the redundancy in between nodes in cluster
• Performing the new hardware P740, P770 build with the HMC, Building of dual VIO environment, Creation of SEA with Link aggregation
• Installing and Configuring MPIO in dual VIO environment for providing continuous availability of storage to the LPAR’s.
• Working on SAN storage on ESXI servers and assigning the LUNs to the Virtual Machines running on the ESXi server
• Working with backup team for the Legato backup & Restore, Legato client Instllation in the AIX/ Redhat Linux server
• Creating and managing new LUNs (ISCSI) and assigned to Windows and UNIX hosts.
• Proficient in Data protection using Snapshot management, configure snapshots and scheduled accordingly.
• Working with FlexClone and LUN clone for test & development environment data Replications: Snapmirror and SnapVault.
• Configure and administer Asynchronous and Synchronous, SnapMirror. configure and administer SnapVault.
• Converting snapvault destination copy into snapmirror copy on client request or for disaster recovery.
• Performing Snap restore for volume and files based on client request.
• Working with Vol Copy, ndmp copy etc & knowledge on High Availability controller’s.
• Managing takeover and giveback for Active/Active Configuration & experience on multi-store VFILER management.
• Vfiler creation, adding and removing resources to vfiler’s moving resources form one vfiler to another vfiler.
• Vfiler migration and DR vfiler configuration knowledge on Manual CIFS, NFS, ISCSI.
• Firmware’s and disk shelf Firmware’s & thin provisioning.

Confidential

Sr.Systems Administrator

Responsibilities:

• Installed, Deployed Red Hat Enterprise Linux 4.x/5.x/6.x, CentOS and installation of packages and patches for Red hat Linux Servers.
• Installation, configuration, Troubleshooting and administration of AIX 5L, 6.1 & 7.1 operating systems
• Involved in troubleshooting of Redhat Linux server issues and hardware issues and replacements.
• Working with the hardware vendors and application team for the faulty replacement and planning the downtimes accordingly
• Creating customized Kickstart profiles for each server and making ISO to build the server
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Creating the filesystems using redhat volume manager and performing the healthcheck on regular basis for all Linux serves
• Scanning the newly assigned LUNs to the serves and assigning them to volumegroup and increasing the filesystem using redhat volume manager
• Mounting & unmounting the netapp storage LUNs to the Redhat Linux servers and troubleshooting the issues enocuntered
• Planned and performed the upgrades on Linux and AIX operating systems and hardware maintenance on HP and POWER servers like increasing memory, disk, replacing failed hardware.
• Working on HP, Dell servers using DRAC and ILO consoles and resolving issues and replacing the failure hardware
• Performed kernel and database configuration optimization such that it limits I/O resource utilization on disks
• Kernel parameter tuning and Performance Monitoring using tools like Glance plus, vmstat, mqstat and addressing swap issues in Redhat Linux servers
• Creating User, Group home directories and password administering in UNIX/Linux servers
• Installed and configured VIO Servers, building LPAR clients and sharing IO devices to LPARs.
• Replication of data from production to DR using Confidential Flash technology and bringing the applications to verify the DR synch for all UNIX/Linux servers
• Installation/Configuration of ESXi 3.5, 4.x and 5.1 servers and applying security patches to the ESXi servers
• Managing the ESXi servers using the Vsphere client and Vcenter for managing the multiple ESXi servers
• Performed Vmotion for the virtual machines from one ESXi to another ESXi server for the hardware or ESXi Maintanence
• Installing, configuring and administrating GPFS on AIX & Linux operating systems
• Working with multiple GPFS cluster and mounting the remote filesystem
• Migrated GPFS cluster from 3.2, to 3.3 & 3.5 for the production and DR sites
• Migrated Power HA from 5.x to 6.1 using different methods to reduce the downtime to the application
• Performing flip-over, fall back between the HA cluster nodes for checking the redundancy in between nodes in cluster
• Troubleshooting the POWER HA and increasing the filesystem in HACMP/POWER HA cluster
• Hardware replacement of cluster nodes without any downtime
• Developed and implemented the shell scripting for taking mksysb and push to the centralized NIM server.
• Migration of OS through NIM master using alt disk migration methods for all the AIX servers
• Involved in migration of Physical to virtual servers (P2V) and virtual to virtual (V2V)
• VIO Server operations, creating virtual adapters and configuring Ethernet or LUNs to LPARs and performing other troubleshooting techniques. Creating ether channel with link aggregation etc.
• Installing and Configuring MPIO in dual VIO environment for providing continuous availability of storage to the LPAR’s.
• Configuring SEA failover in dual VIO environment for providing continuous availability communication to the LPAR’s.
• Creation of VM in ESXI server and deploying the Linux Operating system
• Assignement of LUN’s to the VIO server and working with the SDDPCM for Confidential Storage and EMC powerpath drives for the EMC storage
• Upgrading of powermt/powerpath version to the latest level
• Applying security patches to VIO servers without impacting to VIO client
• Managing and configuring VCS cluster on AIX servers
• ML, TL updating and APAR, fix installation, and patch update on AIX and devices on requirements basis and on customer specifications.
• Installing new software or file sets, packages and other third-party applications when required by the developer or business.
• Creating file systems, checking for error report on servers. Running DIAG against hardware of the server to diagnose any issues.
• Exporting volume group from one node to other and adding new disks to volume group, Replacing failed devices.
• Checking the file systems and increase/decrease the file system if required.
• Fixing mount issues, checking filesystem integrity, running fsck in maintenance mode on rootvg logical volumes if any corrupted lv’s in rootvg.
• Creating the RAW logical volumes for Oracle RAC and ASM and working with the database team to resolve the issues
• ITM agent installation, configuration and setup monitoring for application logs.
• SSH TECTIA installation, configuration and trouble shooting
• Configuring NFS on the servers, working with NFS mounts and related issues.
• Creating /removing paging space, checking paging space usage and increase/decrease if required.
• Configuring system dump devices, taking system dump, estimating system dump, uploading the system vmcore files to Confidential ftp site to get it analyzed by Confidential engineers.
• Closely working & coordinating with application team in case of any production issues
• Working with the Storage team in case of any data replication or LUN issues.
• HMC connectivity for managed systems (p520, p550 and p570) through WebSM remote client.
• Administrating MQ, WAS,HIS, Involved in the build and support of DEV, QA and UAT WAS 6.1.
• Production support of Investment Management Apps 24/7 on a weekly rotation basis.
• Production Support of Websphere MQ Version 5.3, creating local queues, remote queues, creating channels, listeners and installed client software on AIX.
• Stop and start of Websphere Instances, MQ channels and IHS (http servers), Installed SSL certificates on the web servers
• Printer installation & configuration, working with spooler and scheduling the print jobs & modifying the print queues and administration on print queues
• Installation & Configuration of Confidential HTTP Server, make junction works for the transportation of application through a webserver.
• Change management with in the team and coordinating with the application team for the proper planning and implementation of changes on weekly basis
• Co-ordinated with all the teams for the Network/Integrated Disaster Recovery drill on yearly basis.
• Work closely with customer's Senior Infrastructure Lead and service provider onshore and offshore extended teams, to see through execution of activities in support

Confidential

System’s Analyst

Responsibilities:

• AIX OS level support for the different version like 5.x/6.1and installing & configuring of different operating systems like AIX 5.x 6.1
• Troubleshooting & Fixing of hardware and OS level issues and hardware level issues
• Logical Volume Management, creating the Logical Volumes, Files systems and mounting them
• Working with different blade servers with VIO support and IVM consoles
• Experienced in managing the Integrated Virtual Manager (IVM) consoles and managing the LPAR’s with them
• Experience in managing the blade server with the Management Module consoles (MMC)
• Installating & Configuring the blade servers with VIO & IVM configuration and managing them with MMC
• Troubleshooting the Confidential POWER Blade servers in case of any hardware issues
• Servers builds on managed system for LPARs and on Blade servers
• OS Migrations from 5.x to 6.1 with the different POWER & BLADE hardware
• Firmware level upgradations on all the POWER hardware and also on the blade servers
• Patches & Technology level upgradations for all the LPARs and to the servers/LPAR’s under blade hardware
• Working with VIO servers & LPARs and on blade servers & working with IVM consoles for LPARs under blades
• Managing the blades with MMC and LPARs with HMC supporting SAN attached to the AIX boxes on all the datacenters like creating and mapping LUNs to the servers
• Managing Confidential Storwize v7000, SVC & DS5K storage arrays
• V7000 & SVC tasks like Creating Vdisk to hosts or removing the host mappings for the LUN assignment on the servers
• Working knowledge on Global/Metro mirror & Flash/remote copy mappings with V7000 & SVC
• Fault Monitoring, Troubleshooting, logging vendor calls for hardware issues
• Zoning EMC Clarion arrays with servers & creating the RAID group and Binding the LUNs to the server
• Creating Meta volumes for the LUN expansion to the required size
• Collecting SP-Collects, troubleshooting performance problems on the storage arrays
• Experience in working with brocade switches like zoning, mapping and re-mapping LUNs as per the requirement.
• Performing DR drill on yearly base to ensure the data replication and DR site connectivity
• Installed, Deployed Red Hat Enterprise Linux 4.x/5.x CentOS and installation of packages and patches for Red hat Linux Servers.
• Applying patches to all the Redhat Linux servers using yum, up2date and rpm for all the serves in production and project level servers
• Creating customized Kickstart profiles for each server and making ISO to build the server
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Creating the filesystem and RAW logical volumes for the Oracle RAC based on the requirement
• Upgrading the kernel in all the Redhat Linux servers and creating initrd image to boot from the Upgraded kernel
• Migration of Redhat linux servers from 4.x to 5.x version and working with the application team to resolve the issues post migration.
• Installation/Configuration of ESXi 3.5, 4.x and 5.1 servers and applying security patches to the ESXi servers
• Managing the ESXi servers using the Vsphere client and Vcenter for managing the multiple ESXi servers
• Performed Vmotion for the virtual machines from one ESXi to another ESXi server for the hardware or ESXi Maintanence

Confidential

Sr. Systems Administrator

Responsibilities:

• Creation of LPAR's & Configuring the LPAR's through dual VIO
• LPAR operations including: configuring and using system profiles, and activating and shutting down partitions, Power on/off partitions.
• Mapping new LUNS through VIOS to client partitions to new & existing LPAR and increasing file system on client LPAR.
• Configuring NIM master, setting up NIM clients, configuring NIM resource and perform network installations.
• Installed AIX/VIOS in a logical partition through NIM, migrated 5.2 (physical box) to 5.3 (LPAR) using NIM.
• Performing SEA failover as part of server build acitivty
• Performing DLPAR memory & CPU, adding virtual scsi adpater in DLPAR & Troubleshooting DLPAR issues between HMC & LPAR's
• Performing the fall over & fall back test of Resource groups and service IP on client requests and troubleshooting the fall over and fall back failures.
• Troubleshooting login issue after failover and Resolving user issues related to logins on HACMP nodes.
• Monitoring system by errpt and troubleshoot system problems. & monitoring cluster related log files and troubleshooting cluster problems.
• Creation of new file system and increasing the size of file system through C-SPOC.
• Moving RG without disturbing the cluster from one node to another through C-SPOC.
• Creating New resource group to existing cluster set up and new file system for existing resource group.
• Upgraded cluster setups from 5.3 version to 5.4 version using different methods
• Creation of Volume group and logical volumes as per the build documents and project requirements
• Managing disk space using AIX Logical Volume management.
• File system management, creating file systems, checking for error report on servers.
• Checking the file systems and increase/decrease the file system if required.
• Installing new software / file sets, packages and other third-party applications when required by the developer or business
• Running snap on AIX Server to analyze system issues.
• Performance monitoring using and analyzing these reports to figure out any performance issues.
• Configuring NFS on the servers, working with NFS mounts and related issues.
• Taking regular system backup using mksysb and volume group backup using savevg utilities.
• Creating /removing paging space, checking paging space usage and increase/decrease if required.
• Creating Users, Groups and working user security settings, home directories and password administering.
• Service Activation and decommissioning once the project completed and released by the application team
• Installation & configuration of Tivoli tools like TSM and TEP and TSCM from the client side coordinating with onsite engineer for replacing faulty hardware as per the scheduled change.
• Migration of AIX 5.3 to 6.1 using NIM by alt disk methods
• Working with Confidential storage DS4k, DS8K, SVC and configuring with SDDPCM drivers
• Performed testing of Live Partition Mobility in power7
• Installation & configuration of SUSE enterprise server Linux 9.x and applying patches to the servers in production and in pre-production
• Creating Logical volumes & file system and increasing the filesystem in SUSE linux servers and
• Installed, Deployed Red Hat Enterprise Linux 4.x/5.x CentOS and installation of packages and patches for Red hat Linux Servers.
• Installation, configuration, Troubleshooting and administration of AIX 5L, 6.1 & 7.1 operating systems
• Creating customized Kickstart profiles for each server and making ISO to build the server
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools.
• Performance Tuning and Management for Linux/AIX server and working with the application/database team to resolve issues.
• Creating the filesystems using redhat volume manager and performing the healthcheck on regular basis for all Linux serves
• Scanning the newly assigned LUNs to the serves and assigning them to volumegroup and increasing the filesystem using redhat volume manager
• Configuring the drivers for QLOGIC adapters and bringing the adapters to online to visible in the Fabric

Confidential

Sr.Systems Administrator

Responsibilities:

• Server operating system installation, management of AIX 5.x, RHEL 4.x, 5.x
• Logical Volume Mangement. Managing the file system in Redhat Enterprise Linux and in AIX servers
• Handling paging space issues like creating new paging spaces, changing attributes of page space & managing default paging space (hd6) for AIX & Redhat Linux servers
• Backing up the system using mksysb, and alt disk backup, Monitoring system performance
• Managing User and 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 Confidential 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, Break fix for HACMP & Brining up Resource groups online. Performing the fall over & fall back test
• Creating the volume groups (VG) and RAW logical volumes (LV) using C-SPOC & extending the size of HACMP file system using C-SPOC
• Migrated HACMP 5.3 version to 5.4 & resolving user issues related to logins on HACMP nodes
• Taking cluster snapshot and login call with Confidential and sending cl snap o/p in case of any issues

Confidential

Executive Support

Responsibilities:

• System installation and Configuration of AIX 5.x operating system and Redhat 3.x, 4.x & 5.x servers
• User Administration, adding and removing user accounts, changing user attributes.
• Monitoring the CPU statistics and memory. Managed Confidential PSeries servers installed with AIX.
• File system monitoring and checking error messages.
• Working with paging spaces, Creating, increase, decrease paging spaces as per requirement.
• Performed other standard system admin tasks such as system monitoring, performance usage, network support and user support.
• Configure VG’s and LV’s, Extended LV’s for file system growth needs using LVM commands.
• Working with mksysb for rootvg and savevg for user defined Volume Groups.
• Fixing corrupted BLV. Daily management administration.
• Working on FTP and SSH for remote administration. Monitoring server performance, disk utilization and failedlogins.
• Diagnosing and troubleshooting problems related to Operating System and all hardware.
• Patch Management. Problem determination in File systems and Logical Volumes.
• Creating and managing the default and User Defined Paging Spaces.
• Creating and updating the Crontab files. NFS Administration. System Resource Controller Administration.
• Corporate client support for mission critical environments
• Responsible for 200 Linux Servers: RHEL 3.0, 4.0 & 5.x, Bash scripting for automation of tasks.
• Day to day problem handling like related to File Systems, Disk, Memory, CPU, Network etc
• Installation and configuration of many OpenSource Packages for company and Clients (SugarCRM, eGroupware, Openfire, Spark, RT, etc. ) .
• Did handle day-to-day IT functions like user/quota/permission/ACL/LVM management.
• Configuration and management of MySQL.