SUMMARY

• Around 8 years of IT industry experience as a System Administrator, DevOps Production Support Engineer of various applications on Red Hat Enterprise Linux and AWS Cloud environment.
• AWS Certified Solution Architect - Associate(AWS-ASA-30907) and Self-starter with an in-depthlevel of understanding in the strategy and practical implementation of AWS cloud-specific and OpenStack technologies. Hands on experience in AWS provisioning and good knowledge of AWS serviceslike EC2, S3, Route 53, CloudFormation, Elastic Bean Stalk, VPC,ELB, DynamoDB, Auto Scaling, CodeCommit, CodeDeploy, Kinesis, Security Groups, SNS, SQS.
• Knowledge of application deployment Storage services such asAmazon S3,RRSandGlacier.
• Experienced in Amazon EC2 setting up instances, virtual private cloud (VPCs), and security groups.
• Assigned Roles and Policies to Users, Security Groups by using Identity and Access Management (IAM)
• Theapplication is deployed via AWS services such as CloudFormation to deploy system stacks (CentOS), and AWSCodeDeployto push code to the systems.
• Experience deploying highly scalable and fault-tolerant services within public and private cloud infrastructure (SaaS, IaaS, PaaS, VMware)
• Design & implemented VPC service for extension of customer's on-premises datacenter with AWS Cloud using AWS VPC and VPN &Directconnectservices.
• Development using AWS services S3, EC2 and AWS Lambda serverless application development
• Created Alarms and Alerts in CloudWatch, Site24x7 and AWS SNS services for monitoring the Servers Performance CPU Utilization, Diskspace, Storage and Bandwidth Utilization
• Setup and Managing Databases on Amazon RDS. Monitoring servers thorough Amazon Cloud Watch.
• Microservices development using Node.Js and Python and serverless AWS Lambda & Azure Functions
• Migrating and maintaining build and test environments into the Cloud Infrastructure.
• Have good knowledge of utilizing cloud technology Microsoft Azure and NoSQL database like Mongo DB database.
• Installation and daily active management of Linux, Unix and Windows based server systems in a large-scale enterprise level data center environment
• Experience in using bug tracking systems like JIRA, Bugzilla, HP Quality Center, and IBM Clear Quest
• Managed the operating-system-level virtualization to create, deploy, and run applications by using containers such asDocker.
• Implemented puppet modules to automate the installation and configuration for a broad range of services
• Pleasant experience on DevOps tools such as Chef, Vagrant, Virtual Box, Puppet, Ansible, Jenkins, Maven, ANT, SVN, GIT, and Docker.
• Experience designing configuration management systems using tools such as Chef, Ansible and Puppet.
• Developed plan for problem and incident management process based on Information Technology Infrastructure Library (ITIL)
• ITIL Knowledge (Incident, Change and Problem Management) and tools (ServiceNow)
• Worked in setting up LDAP, DNS, DHCP Server along with effective group and System Level policies and roaming profile features by using Samba and NFS servers.
• Experience in troubleshooting server issues related to systems and applications such as Apache, DNS and installedDockerson Virtual machines to run, build test and shipping the applications with containers.
• Expertise in different versions of Cloudstack, Openstack, Vmware and other private clouds.
• Developed Chef Cookbooks for Tomcat, My Sql, windows applications and versioned them on Git re-positories and Chef Server
• Strong experience in Installation, Upgrading, Migration, Configuration, Troubleshooting, Administering and Enterprise Server Integration, Disaster Recovery (BCP failovers), Performance and Fine-tuning.
• Experience in monitoring the availability & performance of Servers through tools like vmstat, netstat, iostat, Negios, zabbix, Puppet, and Icinga.
• Hybrid cloud management of the enterprise using VMware vRealize Orchestrator (vRO), VMware vRealize Automation (vRA).
• Experience in installation and management of network related services like DNS, Apache, LDAP, SAMBA, HTTPD, VSFTP, SMTP, SQUID, and Active Directory.

TECHNICAL SKILLS

Operating Systems: Windows, UNIX, Ubuntu, Redhat/CentOS Linux.

Cloud Platforms/CI Tools: AWS, MS Azure EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, CloudFormation AWS Config, S3, Cloud Trail, CodeDeploy, IAM Azure, OpenStack, Jenkins, VMware Server, VMware workstation.

Virtualization Platforms: Virtual Box, Vagrant.

Configuration management: Chef, Puppet, Ansible and Vagrant, NAGIOS, Docker.

CI, Test & Build Systems: Ant, Maven, Jenkins, Bamboo, BMC Remedy, JIRA, Bugzilla.

Application/Web Servers: Apache Tomcat, Redhat Satellite Server.

Scripting Languages: Bash, Perl, Ruby, and Shell.

Languages: C, C++, XML, Python, Java, Shell scripting, HTML, CSS.

Logging & Monitoring Tools: Splunk, Solarwinds, Netcool, Nagios.

Databases: Oracle 10g/11g, MS Access, MySQL, MongoDB, DynamoDB, Cassandra and Kafka.

Version Control Software: Subversion, Git, Perforce,CodeCommit, Clearcase

Hardware: VMware, Ubuntu.

Methodologies: Waterfall, ITIL, Agile.

Volume Management: VERITAS Volume Manager, LVM & Solaris Volume Manager

PROFESSIONAL EXPERIENCE

AWS LINUX ENGINEER

Confidential, OH

Responsibilities:

• Expertise in automated Patching through EC2 System Manager, that helps automatically collect software inventory, apply OS patches, create system images and configure Windows and Linux operating systems.
• Used EC2 system manager to patch on-premise servers, with the help of SSM agent that communicates securely with the system manager service and executes management tasks.
• Moved over 20 Application environments from Non-Prod VPC to Production VPC in cloud infrastructure.
• Worked with Architects and involved in building code that communicates between CMDB ServiceNow and AWS to verify mandatory tags and update missing tags in AWS.
• LeveragedAWScloud services such as EC2, auto-scaling, and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• DesignedAWSCloud Formation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates.
• UsedGITversion control to manage the source code and integratingGITwithJenkinsto support build automation and integrated with JIRA to monitor the commits.
• Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services inAWScloud.
• Creating/Managing Amazon IAM created users and groups, assigned individual policies to each group, created IAM roles using Cloud Formation Templates.
• Experience in tracking tools like JIRA, Remedy and ServiceNow.
• Deployment, configuration and management of provision tools such as Chef,Terraform, Vagrant, Ansibleand Cloud Formation Template.
• ImplementedAnsibleto manage all existing servers and automate the build/configuration of new servers.
• LeveragedDockerEngine to run Multiple Tomcat Instances as Containerized AppServers.
• Experience in Implementing Configuration Management tools likePuppet, Chef and Ansible. And used for Application Deployments & Environment configuration.
• Maintained and Configured Sophos as firewall for out bound on every server in cloud.
• Monitoring experience on Servers with in built and third-party tools such as Splunk, Nagios, BMC, Icinga, Wireshark,SolarWindsand CloudWatch, to configure scheduled tasks, alerts, CPU, Memory, Network traffic, and Disk monitoring
• Implementing day-to-day tasks in Red HatLinuxincluding but not limited to upgrading RPM's, Kernel tuning, HBA Driver, configure SAN's, Multi pathing and Logical Volume Manager(LVM).
• Installed theDockerimage in the Amazon EC2 Instance and installedLinux, Apache, MySQL, PHP in that instance and build theDockerImage.
• Work closely with the Networks and Security Team in opening firewalls and DNS requests required for the infrastructure.
• Troubleshot problems with theLinuxOS and ensured proper functioning and appropriate maintenance of the network.
• Created and maintained user accounts, removed users, lock/unlock users inLinuxand solaris systems.
• Experience in Package Management and creating own RPM packages to effectively package the applications for application deployments and environment configuration usingPuppetand Chef.
• Excellentcommunicationand inter-personal skills detail oriented, analytical, time bound, responsible team player and ability to coordinate in a team environment and possesses high degree of self-motivation and a quick learner.

AWS LINUX ENGINEER

Confidential, Bellevue, WA

Responsibilities:

• Deployed infrastructure onAWSutilizing services such as EC2, RDS, VPC and Managed Network and Security, Route 53, Direct Connect, IAM, Cloud Formation,AWSOpsWorks (Automate operations), Elastic Beanstalk,AWSS3, Glacier and Cloud Watch Monitoring Management.
• Experience in deploying and monitoring applications on various platforms using Elastic Bean Stalk.
• DefinedAWSsecurity groups which acted as virtual firewalls to control the incoming traffic onto one or moreAWSEC2 instances.
• Experience in creating alarms and notifications for EC2 instances using Cloud Watch, SNS and SES.
• Granted security and configured user access and limits usingAWSIdentity and Access Management (IAM) by creating new profiles, roles, groups and policies for user management.
• Used Amazon Route53 to manage DNS zones also give public DNS names to elastic load balancers ip's.
• DesignedAWSCloud Formation templates using JSON to create customized VPC Subnets, NAT to ensure successful deployment of Web applications and database templates.
• Theapplication is deployed via AWS services such as CloudFormation to deploy system stacks (CentOS), and AWSCodeDeployto push code to the systems.
• Installation and daily active management of Linux, Unix and Windows based server systems in a large-scale enterprise level data center environment.
• Design & Implementation of Self Service portal for IaaS usingvRealizeAutomation /vCloud Automation Center.
• Created Alarms and Alerts in CloudWatch, Site24x7 and AWS SNS services for monitoring the Servers Performance CPU Utilization, Diskspace, Storage and Bandwidth Utilization.
• Managed On-site OS/Applications/Services/Packages using Chef as well asAWSfor EC2/S3/Route53 and ELB with Chef Cookbooks.
• Installing RedHatLinuxusing Kickstart, Jumpstart and applying security polices for hardening the server based on the company policies
• Install and configuredvRealizeoperations manager 5.8, 6.0 and upgraded up to 6.4.
• Data migration at Host level using Red Hat LVM, Veritas Volume Manager and Solaris
• Performed SAN Migration on RHEL and solaris servers using Double Take tool.
• Implemented LVMs and RAID level concepts in the production environment and added LUN space to the existingLinuxsystems
• Designed and deployed public, private and hybrid cloud platforms based on VMwarevRealizeAutomation(VRA)/ vCloud Suite & Amazon Web Services (AWS).
• Understanding ability to script in shell with languages like Bash, Python as required for automation, monitoring, and to enhance the access and performance of the system.
• Monitored the network and system performances using Nagios, Splunk and system tools (top, sar, iostat, vmstat, netstat, mpstat, prstat, nfsstat, prtconf, prtdiag, iostat, top, printmgr, hpimliview, dmidecode, smc etc) and trace route commands.

AWS DevOpsEngineer

Confidential, South Borough, MA

Responsibilities:

• Working on MultipleAWSinstances, set the security groups, Elastic Load Balancer and AMIs, auto scaling to design cost effective, fault tolerant and highly available systems.
• LeveragedAWScloud services such as EC2, auto-scaling and VPC to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts.
• Responsible for orchestrating CI/CD processes by responding to Git triggers, human input, and dependency chains and environment setup.
• Created Snapshots and Amazon Machine Images (AMI's) of EC2 Instance for snapshots and creating clone’s instances.
• Worked on m3. xlarge instance type for Active Directory and Remote Desktop Gateway instances, and the high-configured instance type for network address translation (NAT) instances.
• Setup AD Environment onAWSand integrating with on premise datacenter AD.
• Creation of Subnets and Route tables, Internet gateway, Virtual gateway and customer gateway.
• ITIL Knowledge (Incident, Change and Problem Management) and tools (ServiceNow).
• Used MySql, DynamoDB and Elasticache to perform basic database administration. Build out server automation with Continuous Integration - Continuous Deployment tools like Jenkins/Maven for deployment and build management system.
• Worked with scripting language like Bash, Perl and Ruby.
• Experience in working with version control system - GITHUB.
• Used both GIT and bit bucket source control systems to manage code.
• Creating and Managing VMs in WindowsAzureand setting up communication with the help of Endpoints and VM Migrations from Transitional hosts and VMware
• Installed and configured configuration tool such as Chef Server / workstation and nodes via CLI tools toAWSnodes.
• Involved in Installing Jenkins on a Linux machine and created a master and slave configuration to implement multiple parallel builds through a build farm.
• Using JenkinsAWSCode Deploy plug-in to deploy toAWS.
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Configured and monitored distributed and multi-platform servers using Chef. Defined Chef Server and workstation to manage and configure nodes.
• Manage the configurations of multiple servers using Chef
• Written Chef Cookbooks for various DB configurations to modularize and optimized end product configuration, converting production support scripts to Chef Recipes andAWSserver provisioning using Chef Recipes.
• Written multiple recipes also customized facts for efficient management of the Chef clients.
• Application deployment and configuration Via Puppet.
• Worked with Docker for convenient environment setup for development and testing.
• Manage the integration of new software projects and products into the build environment.

DevOpsEngineer

Confidential

Responsibilities:

• Developed and implemented SoftwareReleaseManagement strategies for various applications according the agile process.
• Worked on installation and configuration of DevOps Automation Tool Puppet.
• Implemented rapid-provisioning and life-cycle management for UbuntuLinuxusing Amazon EC2, Chef, and custom Ruby/Bash scripts.
• Extensively used chef & Ruby and Ansible for Continuous Deployment.
• Worked on Managing the Private Cloud Environment using Chef.
• Designed Puppet Modules to manage configurations and automate installation process.
• Automated centralized configuration using Puppet.
• Involved in Chef and Puppet for Deployment on Multiple platforms
• Imported and managed multiple corporate applications into Subversion (SVN).
• Performed Branching, Tagging, andReleaseActivities on Version Control Tools: SVN, GIT
• Used Jenkins for Continuous Integration and deployment into Tomcat Application Server.
• Extensive use of Docker to automate deployment of applications inside container for efficient usage of underlying systems.
• Good Experience in dynamo db and Cassandra databases for decentralization and replication.
• Made extensive use of Chef, Bamboo, Github to manage build / deploy tasks, including Continous Integration.
• JIRA is used as ticket tracking, change management and Agile/SCRUM tool.

Linux/Unix Administrator

Confidential

Responsibilities:

• Data Centremigrationto a remote data-center due to satelliteDCconsolidation efforts
• Provided production support in an on-call rotation in a 24*7 environment.
• Installed, configured and maintained DNS servers, Mail servers, FTP servers, NFS, SMB, NIS+ and Samba Web servers on Sun Solaris, and Linux platforms.
• Installed and configured Disk and file system management using Logical Volume Manager (LVM) and Veritas VxVM on Linux systems, ZFS on Solaris.
• Implemented Puppet, Chef, Nagios tools and Bash, Perl, Python scripting.
• Worked on configurations and installations Solaris and Linux servers using Custom Jumpstart and Kick start.
• Performed OS provisioning using kickstart through HP OpenView
• Performed patching of RHEL using yum, up2date and rpm.
• Updating patches to keep servers updated against bugs present in the operating system using RPM, yum, etc
• Experience in using VMware VMotion to move VM's from One Datacenter to another datacenter.
• Handling the day-to-day Operations, Troubleshooting& Solve Server Problems in LINUX
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.