Sr. Cloud/DevOps Engineer
Over 8+years of experience in IT comprising of Designing, Development, Integration of DevOps tools, Build Automation, Configuration Management, Build/Release and Delivery Management, CI/CD, involving cloud infrastructure services like (AWS, Azure, PCF Open stack ) as well as Cloud Migration services using Cloud formation and Terraform templates.
Experience in working with multiple Technical teams, Architects, Managers and Business Users, reviewing and documenting workloads, system dependencies and business requirements. Mapping workloads to the capabilities of Microsoft Azure for Public, Private and Hybrid Clouds.
Experience working on Azure Cloud services, Azure storage, Azure CLI, Azure Active Directory and Azure Service Bus. Managing Client's Microsoft Azure based PaaS and IAAS environment.
Experienced in Azure IaaS, Provisioning VM's, Virtual Hard disks, Virtual Networks, Deploying Web Apps and Creating Web-Jobs, Azure Windows server 2008/2012/R2, Microsoft SQL Server, Microsoft Visual Studio, Windows PowerShell, Cloud infrastructure.
Have good understanding of cloud infrastructure management and handling services within cloud like (Web apps, Application Service Environments, firewalls, load balancers, storage, monitoring, security, AD, DNS etc.)
Experience in working on Azure Fabric, Micro services & Docker Containers in Azure. Ability to create scripts using Azure Power shell during automation and built-in process.
Expert in integrated in-house application with Azure AD, also federation concepts, Setup federation between Azure ADFS and cloud, In-House applications and troubleshoot platform issues resolution.
Extensive experience on AWS services like ELB, EC2, S3, VPC, NACL's, Cloud Formation, Route 53, Network Connectivity troubleshooting, Hybrid Environments and VPC peering.
Experienced in both framework and Cloud Formation to automate AWS environment creation along with the ability to deployment on AWS, using build scripts (Boto3 and AWS CLI) and automate solutions using Shell and Python.
Experience on AWS, focusing on high-availability, fault tolerance, and auto-scaling using Terraform templates. Along with (CI/CD) with AWS Lambda and AWS Code Pipeline
Experience in Infrastructure on AWS using IAM, API Gateway, CloudTrail, Cloud Watch, Amazon Simple Queue Service (Amazon SQS), AWS Kinesis, Lambda, NACL, Elastic Beanstalk, Redshift, and CloudFormation
Extremely proficient in Pivotal Cloud Foundry, OpenShift for troubleshooting issues with platform components (PCF), developing global deployment models and patterns for large scale deployments in Cloud Foundry.
Experience in OpenStack Cloud deployment & administration including various components like Nova, Neutron, Cinder, Keystone, Horizon, Glance.
Hands on experience with Terraform API modules to manage infrastructure and publishing module to the Terraform registry and contributed for end-to-end configuration management to deploy our products inside AWS environment.
Expertise in creating Chef Automation tools and builds and do an overall process improvement to any manual processes. Installing and configuring Chef by registering the nodes with the Chef server.
Expertise in using Ansible to setup Continuous Delivery Pipeline. Deployed micro services, including provisioning AWS environments using Ansible Playbooks. Expertise in Ansible Playbook, YAML for Maintaining Roles Inventory Files and Groups Variables and Extensively worked on Jenkins.
Extensively worked with configuring and management tools like Chef, Puppet, Ansible and expertise in developing Recipes, Manifests and Playbooks in Ruby and YAML scripts to automate the environment.
Experience in implementation of Puppet agent based and agentless configurations, using Puppet dashboards, Collective with active MQ server, plugin-sync, stored configs, Hiera, Facter and wrote Puppet manifests.
Expertise in App Containerization technology Docker, creating Docker images, Containers, Docker Registry to store images, cloud-based registry Docker Hub, Docker Swarm to manage containers
Experience in deployment automation of all the Microservices to pull the image from the private Docker Registry and deployed into Docker Swarm to create a complete docker cluster by using Ansible
Experience in managing Kubernetes charts using Helm. Created reproducible builds of the Kubernetes applications, managed manifest files & releases of Helm packages. Created Pods in Kubernetes and monitored the health of pods using Helm charts.
Experience in implementing CI/CD for J2EE, SOA & Micro services Architecture Environment (NodeJS, .Net Core, Zookeeper, Kafka, Redis) using Jenkins, Anthill Pro & UDeploy. Used Jenkins with SonarQube to analyse and get the better quality of the Source code.
Hands-on experience in integrating Jenkins CI tool with build automation tools like ANT, Maven, Gradle for building of deployable artifacts (JAR, WAR & EAR) from source code.
Involved in setting up CI/CD using Bamboo with the Artifactory repository. Resolved update, merge & password authentication issues in Bamboo & JIRA
Hands-on experience in version control tools like Subversion, TFS, GIT, BIT Bucket, CVS, Perforce Version wherein experienced with tagging, branching on platforms like Linux/Windows and used Source code management client tools like, GIT Bash, GitHub, GIT-GUI and other CLI applications etc.
Proficient with Shell, Bash, Python, PowerShell, YAML, Ruby scripting languages for automation, monitoring
Strong experience with SQL and MySQL as well as with NoSQL databases, specifically MongoDB, PostgreSQL, Cassandra and Oracle 10.X.
Experienced in keeping up and looking at log archives using monitoring tools like Nagios, Splunk, CloudWatch, ELK Stack, Dyntrace, New Relic and App Dynamics.
Strong Knowledge in developing Nagios plug-in scripts, reports, and project plans in the support of initiatives to assist in maintaining Nagios Distributed system monitoring and management via several data extrapolating applications.
Involved in setting up JIRA as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker
Expertise in LINUX/UNIX system builds, administration, Installations, Upgrades, Troubleshooting on different distributions such as Ubuntu, CentOS, RHEL 5.x/6.X/7. X. Expertise in creating Exception Group policies for Windows Server 2003/2008/2012R2 in AD domain.
Expertise in implementation and maintenance of Apache HTTP, SMTP, DHCP, NFS, NIS, NIS+, LDAP, DNS, SAMBA, SQUID, Postfix, Send Mail, FTP, Remote Access, Security Management Security trouble shooting skills. Deep understanding of Layer 7 protocols like HTTP, DHCP, DNS and SSL/TLS.
Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Red Hat Linux 4/5/6/7, Windows servers [2003, 2008, 2008 R2, 2012, 2012R2], Windows 2000, XP, Windows 7, Ubuntu 12/13/14, Solaris 11/10/9/8.
Microsoft Azure, Amazon Web Services, PCF, Open stack
Container Orchestration Tools
Docker Swarm, Kubernetes, EC2 Container Services, Azure Container Services, OpenShift
Oracle VM Virtual Box, VMware, Vagrant, Windows Hyper-V
Amazon AWS, Apache, Tomcat, JBoss, WebSphere, VMware, Web Logic, Nginx, Send Mail
Perl, Python, Ruby, Bash/Shell Scripting, PowerShell, YAML, PHP, JSON.
C, C++, Core Java, J2EE
ANT, Maven, Gradle.
Configuration Management tool
Ansible, chef, puppet, salt stack
Version Control Tools
GIT, GITHUB, SVN, Perforce, Bitbucket
Continuous Integration tools
Bamboo, Hudson, Jenkins
Logging & Monitoring Tools
Nagios, Splunk, CloudWatch, Dynatrace, ELK, Datadog, Grafana, New Relic
MS SQL Server, Oracle 8/10.X, Mongo DB, DynamoDB, PostgreSQL, Cassandra
Nexus, JFrog, Artifactory
TCP/IP, DHCP, DNS, SNMP, SMTP, Ethernet, NFS, LDAP
Issue Tracking Tools
JIRA, Remedy, Clear Quest, I-Track
Aws Certified Developer – Associate Validation number (MFVSK6V2C1Q11GGE)
Certified Chef Developer Basic Chef Fluency Badge
Blackhawk Network – Pleasanton, CA July 2017 - Present
Role: Sr. Cloud/DevOps Engineer
Migrating an On-premises virtual machine to Azure Resource Manager Subscription with Azure Site Recovery and Existing Active Directory and Exchange users to Microsoft Azure AD using Azure AD Connect, Active Directory Federation Service ADFS and DirSync tools
Implementing and managing global intranet project using Scrum (Agile framework), Office 365, Microsoft Azure, Hybrid Active Directory, CSOM, PowerShell and SharePoint Infrastructure Management tools.
Led implementation of Azure Active Directory for single sign-on access to thousands of cloud SaaS applications like Office 365, Dropbox. Also configured Azure Role-based Access Control (RBAC) to segregate duties within our team and grant only the amount of access to users that they need to perform their jobs.
Established SSO connections using SAML 2.0 and OAuth 2.0 protocols in the AD Azure PaaS Solutions - (DR on cloud using Azure Recovery Vault, Azure Web and Worker Roles, SQL Azure, Azure Storage)
Migrated Blob Storage for document and media file table storage for structured Datasets, Queue storage for reliable messaging for workflow processing and file storage to share file data.
Configured Azure VPN-Point to Site, Virtual networks, Azure Custom security, Endpoint security and firewall, Designed and configured Azure Virtual Networks (VNets), subnets, Azure network settings, DHCP address blocks, DNS settings, security policies and routing.
Provided high availability for IaaS VMs and PaaS role instances for access from other services in the VNets with Azure Internal Load Balancer.
Worked on Server less services (Azure Functions) Created and configured HTTP Triggers in the Azure Functions with Application insights for monitoring and performing load testing on the applications using the VSTS.
Worked with Terraform Templates to automate the Azure Iaas virtual machines using Terraform modules and deployed virtual machine scale sets in production environment.
Experience in Pivotal Cloud Foundry (PCF) and the implementation of micro services in PCF. Ensured successful architecture and deployment of enterprise-grade PaaS solutions using Pivotal Cloud Foundry (PCF) as well as proper operation during the initial application migration.
Written Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of Azure Nodes and Test Playbooks on Azure instances using Python SDK and Automated various infrastructure activities like continuous deployment, application server setup, stack monitoring using Ansible playbooks.
Configuration Automation and Centralized Management with Ansible and Cobbler. Implemented Ansible to manage existing servers and automate the build/configuration of new servers. Customized the Ansible modules for finding facts about Azure cloud and taking actions to manage those alarms during deployments
Written Chef Cookbooks, recipes using Ruby to automate the installation of Middleware Infrastructure like Apache Tomcat, JDK, and configuration tasks for new environments.
Executed the automation from commit to deployment directly into Azure VM by implementing a CI/CD pipeline with the help of Jenkins and Chef. Setting up Chef Infra, bootstrapping nodes, creating and uploading recipes, node convergence in Chef SCM.
Used Chef recipes to setup Continuous Delivery pipeline with Jenkins, SonarQube, Vagrant the infrastructure to run these packages and various supporting software components such as Maven.
Focused on containerization and immutable infrastructure. Docker has been a core to this experience, along with Marathon and Kubernetes from the logs and database in the required format.
Scheduled, deployed and managed container replicas onto a node cluster using Kubernetes and converted VM based application to microservices and deployed as a container managed by Kubernetes
Created additional Docker Slave Nodes for Jenkins using custom Docker Images and pulled them to ECR. Worked on all major components of Docker like, Docker Daemon, Hub, Images, Registry, Swarm.
Utilized Jenkins master/slave architecture to distribute builds on nodes and trigger Jenkins job to build the artifacts using Maven, deployed the Terraform templates to create the stack.
Maintained Artifacts in binary repositories using JFrog Artifactory and pushed new Artifacts by configuring the Jenkins project using Jenkins Artifactory Plugin.
Implemented &maintained the branching, tagging & build/release strategies using SCM tool like GIT, and maintained build packages using Team Foundation Server (TFS) on Linux & Windows platform.
Coordinated developers with establishing and applying appropriate branching, labelling/naming conventions using GIT source control.
Automated Installation and configuration of Apache, Tomcat servers using Python and supported implementations of Kafka and RabbitMQ message servers running Linux and Windows server Installation, Configuring, Deploying, Troubleshooting, Administration and maintenance of IIS.
Analyzing the IIS logs to collect information about server events, server performance, and user activity.
Configuring and managing an ELK stack, set up the Elasticsearch ELK Stack to collect, search and analyze log files from across the servers and Evaluated system logs using ELK software stack.
Monitoring SPLUNK authentication and permission for supporting large scale SPLUNK deployments and Used JIRA for bug tracking, issue tracking and project management.
Developed different WCF services to validate orders, email address and locations from Main frame application to .Net framework application in a SOA architectural style. Developed automation scripting in Python, Ruby using Ansible to deploy onto webserver (Apache Tomcat) and manage .Net applications across Windows servers
Extracted and loaded data using Python scripts and PL/SQL packages, wrote Python modules to view and connect the Apache Cassandra instance
Experience in creating Disk Partitions, Logical Volume Manager (LVM) & RAID Technologies on different File Systems like Ext2, Ext3, Ext4, XFS on various Linux Distributions & involved in creating Veritas volume manager on Solaris
Performed OS installations, OS Upgrades, & Server Patching by configuring PXE & DHCP server using Kickstart & Jumpstart scripts on Red Hat Linux 5.x, 6.x & 7.x.
Environment: VMware, Azure(Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure AD, Resource Groups, Office365, RBAC), PCF, Chef 13.x/12.x, Ansible 2.4, Docker 1.13.1/1.12.6, Kubernetes 1.8/1.7, Maven 3.5.x, Jenkins 2.10x, GIT-2.1x/2.x, Cassandra 2.x/3.0, AEM 6.2/6.0, Python 3.6, Ruby, Shell, Jira 6.4, Dynatrace, TFS, Splunk, Oracle10.x, WebLogic Server 11g VMware, Nexus, Java, .Net, LDAP, JDK1.7, GitHub, Linux.
CVS Health - Woonsocket, RI March 2016 – Jun 2017
Role: Cloud/DevOps Engineer
Worked on AWS Cloud Formation Templates to create custom sized VPC, Subnets, NAT to ensure successful
deployment of Web applications and database servers and created scripts in Python which integrated with Amazon API to control instance operations.
Deployed JSON template to create a stack in Cloud Formation which include services like Amazon EC2, Amazon S3, Amazon RDS, Amazon Elastic Load Balancing, Amazon VPC, SQS and other services of the AWS infrastructure.
Configured and maintained the AWS Lambda function to trigger when there is a Jenkins build kicked off, which internally gets stored on AWS S3 bucket to enable versioning. Created Route53 to route traffic between different regions.
Configured Elastic Load Balancers with EC2 Auto Scaling groups and created monitors, alarms and notifications for EC2 hosts using CloudWatch. Managing security groups on AWS, focusing on high-availability, fault tolerance, and auto-scaling using Terraform templates
Managed data warehouse using Amazon RedShift to analyze all data using SQL & existing business intelligence tools. Converted existing AWS infrastructure to serverless architecture (AWS Lambda, Kinesis) deployed via Terraform & AWS Cloud formation.
Integrated AWS Dynamo DB using AWS lambda to store the values the items and backup the Dynamo DB streams and implemented Terraform modules for deployment of applications across multiple cloud providers.
Configured AWS IAM polices for users, utilizing Multi Factor Authentication (MFA) service and API Keys for login authentication and protected the data at rest using (KMS) and data at transit using (TLS) Transport Layer Security protocol set different permissions based on the requirement along with providing Amazon Resource Name (ARN)
Implemented a Kubernetes Container Orchestration solution within OpenStack allowing for easy management, creation & recovery of OpenStack assets. Migrated applications to OpenStack cloud & created instances using Chef automation. Designed & implemented an auto backup & disaster recovery script for OpenStack Cloud.
Implemented multi-tier application provisioning in the OpenStack cloud. Established an automated system of creating VMs in OpenStack & VMWare for Dev, ISO, Pre-Prod, & Prod, with minimal intervention for smooth transitions
Worked with AWS Cloud Formation Templates, Terraform along with Ansible to render templates and Murano with Heat Orchestration templates in OpenStack Environment.
Maintained and automated environment using Chef Recipes & Cookbooks within AWS and involved in Knife and Chef Bootstrap process, converted production support scripts to chef recipes and AWS server provisioning using chef recipes.
Implemented Chef Recipes for Deployment on build on internal Data Centre Servers. Also re-used and modified same Chef Recipes to create a Deployment directly into Amazon EC2 instances
Wrote Ansible playbooks which are the entry point for Ansible provisioning, where the automation is defined through tasks using YAML format. Run Ansible Scripts to provision Dev servers
Used Ansible Tower which provides an easy-to -use dashboard and role-based access control which makes easier to allow individual teams access to use ansible for their deployments.
Used Ruby and Python, to automate provision by Ansible and Terraform for tasks such as encrypting EBS volumes backing AMIs and scheduling Lambda functions for routine AWS tasks.
Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, Docker, on GCP. Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy
Built Jenkins pipeline to drive all microservices builds to Docker registry and deploy to Kubernetes.
Created Jenkins jobs to create AWS Infrastructure from GitHub repositories containing Ansible playbooks
Configured Test Kitchen to automatically test cookbook data across any combination of platforms and test suites. Deployed application updates using Jenkins. Installed, configured, and managed Jenkins. Triggering the SIT environment build of client remotely through Jenkins.
Maintained build related scripts developed in shell for Maven builds. Created and modified build configuration files including POM.xml and convertedbuild.xml into Pom.xml to build the applications using MAVEN
Worked on Docker-Hub, creating Docker images and handling multiple images primarily for Middleware installations and domain configurations. Handled several Docker components like Docker Engine, Docker-Hub, Docker Compose, Docker Registry, Docker Swarm and Orchestration tools such as Kubernetes.
Worked with Red Hat OpenShift Container Platform for Docker and Kubernetes. Used Kubernetes to deploy scale, load balance, scale and manage Docker containers with multiple namespace versions
Deployment of a Dockerized Rabbit MQ in OpenShift so that we might use the auto-scaling capabilities of OpenShift with a Rabbit MQ cluster.
Managed central repositories & implemented with GIT to host GIT central repositories for source code across products, facilitate code reviews & login audits for Security Compliance.
Implementation of JIRA to track all issues pertaining to the software development lifecycle and Integration of JIRA with repositories such as Subversion and Git to track all code changes.
Configured and setup ELK stack (Elasticsearch, Logstash and Kibana) to collect, search and analyze log files across the servers and monitored the servers using CloudWatch and ELK for Network and Log Monitoring
Used Nagios as a monitoring tool to identify and resolve infrastructure problems before they affect critical processes and worked on Nagios Event handlers in case of automatic restart of failed applications and services
Created Shell and Python Scripts to automate creation of AMI's through preboot and bootstrapping techniques. Developed automated processes that run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting.
Maintained LVM, VxVM and UCD file systems along with NFS and Configured Kickstart servers to install Red Hat Linux and VMWare ESX on multiple machines.
Environment: AWS, Lambda, Jenkins, Auto Scaling, Web logic, Nexus, JIRA, Ansible, Oracle, Terraform, Python, Maven, Java, Linux, Apache TOMCAT, ELK, GIT, LDAP, NFS, NAS, MS Share point, XML, Fedora, Windows, Splunk, Perl Scripts, Shell Scripts, Chef, Ansible, OpenStack, Docker, Kubernetes, OpenShift.
Interactions - Franklin, MA Sep 2014 – Feb 2016
Role: DevOps Engineer
Build servers using AWS, importing volumes, launching EC2, RDS, creating security groups, auto-scaling, Elastic load balancers (ELBs) in the defined virtual private cloud (VPC).
Created Amazon Virtual Private Cloud in the scalable environment which provides advanced security features such as security groups and network access control lists to enable inbound and outbound filtering at the instance level and subnet level.
Created S3 buckets and managed policies for S3 buckets and Utilized S3 bucket and Glacier for Archival storage and backup on AWS
Created AWS Multi-Factor Authentication (MFA) for instance RDP/SSH logon, worked with teams to lock down security groups
Support Design and implementation of the continuous delivery pipeline, using continuous integration, continuous delivery and automated environment provisioning
Responsible for development and version control of Chef Cookbooks, testing of Cookbooks using Test Kitchen and running recipes on nodes managed by on premise Chef Server.
Maintained multiple cookbooks in Chef by converting production support scripts to Chef recipes to automate the configurations in servers.
Managed servers on AWS cloud platform using Puppet, Ansible as configuration management tools.
Writing JSON templates for cloud formation and ruby scripts for puppet automation and contributing to our repository in Bitbucket.
Improved the virtualization for the servers using the Docker for the test environments and Worked in DevOps group running Jenkins in a Docker container with EC2 slaves in Amazon AWS cloud configuration.
Configured the Weave Net such that it creates the Virtual networks which connects Docker Containers to multiple hosts. Created a Swarm using Docker CLI to deploy the services to a Swarm and managed the Swarm behavior
Implemented the setup for master slave infrastructure to enhance the performance of Jenkins where the projects are the part of release process and were written in shell scripts. Monitored the deployment solutions, tools and technologies including Jenkins Nodes/Agent and configured various plugins for Jenkins to automate the workflow.
Created Maven POMs to automate the build process for the new projects and integrated them with third party tools like, SonarQube, Nexus and created artifacts through source code and internal deployment in Nexus repository.
Worked on NoSQL database MongoDB to Replica setup and sharing. Also experienced in managing Replica set
Implemented Zabbix, Nagios for network monitoring and application monitoring of multiple metrics of various network services, servers in all the environments.
Managed central repositories. Implemented Atlassian Stash along with GIT to host GIT central repositories for source code across products & login audits for Security Compliance. Performed code line GIT pushes (releases) to production and customer servers and developed and improved GIT push scripts.
Worked with JIRA for creating Projects, assigning permissions to users and groups for the projects and created Mail handlers and notification Schemes for JIRA. Automated setting up server infrastructure for the DevOps services, using Ansible, by writing shell and python scripts.
Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
Configured and integrated the servers for different environments to automatically provision and configuration management of Linux instances using CM/ Provisioning tool Puppet
Environment: AWS, Linux, Perl, Python, Chef, Puppet, Jenkins, PHP, Ruby, Maven, JIRA, GIT, Grafana, SVN, Nexus, Nagios, JIRA, Java, ANT, RHEL 6.7/6.8/7.1/7.2, Bash, C#, PowerShell, NT Command Shell.
Mphasis Limited, Hyderabad July 2013 -Aug 2014
Role: Build and Release Engineer
Setting up the automation environment for Application team if necessary and help them through the process of Build and Release automation and automated deployments across all environments using Udeploy and Jenkins.
Proposed and implemented several release processes to achieve consistent results and stabilities across environments Converting the ANT Build projects to Maven Build projects. Experience in development of build scripts using Ant, Maven.
Administration/Maintenance experience of source control management systems, such as SVN. Managed Maven project dependencies by creating parent-child relationships between projects. Created Jenkins jobs and distributing load on Jenkins server by configuring Jenkins nodes, which will enable parallel builds.
Performed automation of CI/CD pipeline in private cloud using Jenkins shared libraries and multibranch pipeline and automated the static code analysis through SonarQube in Jenkins pipeline for checking code quality.
Experience in creating various modules and automation of various facts in Puppet, adding nodes to enterprise Puppet master and managing Puppet agents. Creating Puppet manifests files and implementing Puppet to convert Infrastructure as code.
Experience in writing Puppet manifests and modules to automate the deployment process and to integrating Puppet manifests into Jenkins/Hudson jobs for a continuous delivery (CD)framework.
Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure. Used Puppet to manage Web Applications, Configuring Files and Database Commands, User Mount points and Packages.
Setting up continuous integration and formal builds using bamboo with Artifactory repository.
Developed Automation script to trigger push to production from JIRA, invoke Build in Bamboo and deploy to target servers. Resolved update, merge and password authentication issues in Bamboo and JIRA.
Set up customized monitoring with Nagios &PNP4Nagios Graphs for the legacy and new 6penvironments.
High exposure to REMEDY and JIRA tracking tools for tracking defects and changes for Change management.
Administration of various flavors of Linux like RHEL, SLES, Centos and Unix servers (AIX) which included monitoring and troubleshooting of those servers in the day to day basis.
Installing RedHat Linux using kickstart and applying security polices for hardening the server based on the company policies.
Environment: RedHat Enterprise Linux, Bamboo, Jenkins Subversion, Perforce, Nagios, ANT, Python, Puppet, CentOS, Ubuntu, Kickstart, VMware, Nagios, TCP/IP, NFS, DNS, SNMP, and DHCP.
Axis Bank, Hyderabad May 2011 – June 2013
Role: Linux Administrator
Administered RedHat Enterprise Linux 5.x/4.x, OEL 5.x, & Solaris 9 Servers by testing, tuning, upgrading, patching and troubleshooting both Physical & Virtual server problems. Build New virtual Machine and physical server IP bonding for load balancing and fail over, Firewall, SELINUX
Performed server installation using Network-Based Kickstart and DVD on physical servers, VMware
Created Linux Virtual Machines using VMware Virtual Center, creating VM Templates, and troubleshooting all Virtualization related issues. Migrated different projects from Perforce to SVN.
Created Disk volumes, Volume groups and Logical volumes (LVM) for Linux operating systems.
Installed and Configured Apache Tomcat Web Server
Performed installation, configuration and administration of system network components (Windows Server, Active Directory, VPN connectivity, DHCP, SMTP, LAN/WAN, NAT, IPsec VPN, FTP, POP, IMAP, NIC's, WIC's).
Involved in running LAMP (Linux, Apache, MySQL, and PHP) systems in agile quick scale cloud environment and Created Bash, shell, python scripts to monitor system resources and system maintenance.
Created installed Web Logic Application servers and deployed WAR, JAR files on them installed on both Linux, Solaris servers.
By integrating WLST scripts to Shell scripts, artifacts like WAR, EAR are deployed into WebLogic app server.
Upgraded Red hat Linux OS on Web Sphere, JBoss and Oracle database servers from V3, V4 to V5 Installed and configured Nagios
Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tool