SUMMARY

• Linux/Unix system administrator on Redhat EL, Debian, CentOS, Amazon Linux, and VMware.
• Excellent understanding of SDLC Methodologies like Agile, Waterfall.
• Vast experience in writing scripting languages like Shell, Python, Bash.
• Efficient in managing teh end to end operations and working on automation orchestration tools like JENKINS, PUPPET, Chef.
• Experience in Architecting multiple virtualization environments of Linux and Windows (RHEL, CENTOS, Windows) servers along with creating and implementing a cloud strategy on Amazon Web Services
• AWS Certified Developer Associate, 2017
• Oracle Certified Professional, Java SE 6 Programmer, 2014
• Complete understanding of AWS, experience in implementing new AWS EC2 instances and working with EBS, S3 storage, VPC, RDS, ELB, Auto Scaling, Cloud Front, Cloud Formation, Route53, IAM, Elastic Cache, Cloud Watch, SNS, AWS Import / Export
• Configured AWS Identity and Access Management (IAM) users and groups for improved login autantication
• Manage automated backups and create own backup Snapshots when required
• Extensively worked on several build tools like Maven and ANT etc.,
• Profusely worked on Version control tools like GIT, Subversion to track changes made by different people in source code
• Experience in creating Virtual Private Cloud(VPC) in AWS from scratch by initializing own subnets, adding internet gateways
• Configured and automated teh Jenkins Build jobs for Continuous Integration
• Developed Chef Cookbooks to manage systems configuration
• Worked with Chef to aid with deployment process and migrating in house systems to Amazon Cloud Services
• Involved in migrating physical Linux/Windows servers to cloud (AWS) and testing
• Experience in Troubleshooting customer issues on UNIX/Windows based operating systems
• Executed a Continuous Delivery pipeline with Jenkins, GitHub and AWS AMI's, results in generating of new Docker container whenever a new Github branch gets started
• Configured Jenkins as a CI engine to build and promote applications to QA, UAT and Staging to Linux environments
• Configured and Administered Nexus Repository Manager for GIT repositories and builds
• Used chef to automate most of teh application deployment and working on making entire infrastructure automated
• Experience on Virtualization technologies like VMware, Vagrant, Oracle Virtual Box, Microsoft virtual PC
• Configuring and installing VMWare, Virtualbox, Virtual Center Servers and VMWare vCenter appliance
• Expertise in Querying RDBMS such as Oracle and MYSQL by using SQL for Data integrity
• Experience in Hadoop (Cloudera) - Architecture, Deployment and Development
• Beginner level experience in Hadoop Technologies Mapreduce, PIG, HIVE, SQOOP
• Expertise in trouble shooting teh problems generated while building, deploying and production support
• Good understanding of OSI Model, various protocols/service

TECHNICAL SKILLS

Cloud Platform: AWS, VMware, Microsoft Azure

Configuration Management: Chef, Ansible, Puppet, Vagrant

CI/CD tools: Jenkins, MAVEN, ANT, MS Build, Docker, Vargant

Version Control: Git/Git Hub, Subversion (SVN)

Operating Systems: RedHat, Linux, Ubuntu, Windows 98/XP/NT/ 2000/2003/2008/10

Programming/Scripting languages: Python, Shell script, Java

Databases: MySQL, SQL Server 2003/2005/2008/2010, MongoDB, DynamoDB

Monitoring Tools: Nagios, Splunk

Web Technologies: HTML, CSS, XML, .NET

Web/Application Servers: Apache Tomcat, Web Logic Server, IBM Web Sphere, JBoss

PROFESSIONAL EXPERIENCE

Confidential, Atlanta, GA

Sr. DevOps/ AWS Engineer

Responsibilities:

• Created Amazon AWS EC2 instances for installing, configuring and troubleshooting on various Amazon images like Amazon Linux AMI, Redhat, Ubuntu
• Involved in migrating physical Linux/Windows servers to cloud platform AWS
• Manage AWS EC2 instances using Auto Scaling, ELB (Elastic Load Balancing) for our environments
• Backing up teh instances by taking snapshots of teh required servers regularly
• Maintaining cloud infrastructure using EC2, S3, Cloud watch, Cloud Formation, Route 53
• Created monitors, alarms and notifications for EC2 hosts using Cloud Watch
• Used AWS IAM to grant permissions to users for accessing AWS resources
• Responsible for writing custom chef cookbooks for installing packages and running servers
• Drafted several cookbooks containing multiple recipes to achieve automation for managed nodes
• Have implemented chef for creation of on demand instances and infrastructure using teh chef-client and bootstrapping using plugins against AWS EC2 instances
• Creating, setting up and administering teh DNS in AWS with Route 53
• Installed Workstation, Bootstrapped Nodes, Wrote Recipes, and Cookbooks and uploaded them to Chef-server
• Imported data from AWS S3 into Spark RDD, Performed transformations and actions on RDD's
• Worked in provisioning and managing multi-tenant Hadoop clusters on public cloud environment - Amazon Web Services (AWS)
• Built a scalable, cost effective, and fault tolerant data ware house system on Amazon EC2 and developed MapReduce/EMR jobs to analyze teh data and provide heuristics and reports
• Written cookbooks for installing Jenkins, HTTPD, Weblogic, JBoss, Nginx, WebSphere, JDK, Microsoft IIS
• Responsible for CI and CD process implementation with Jenkins using Python and shell scripts
• Worked on microservices project to build Docker containers and deploy to Dev UAT and Prod.
• Involved in migration of Bamboo Server, Artifactory and Git Server
• Worked with storage and also worked with gateway stored volumes, gateway cached volumes, gateway virtual tape library
• With teh use of IAM managed different user giving API level permissions to access only to specific resources for teh user required
• Involved in DevOps automation processes for build and deploy systems for legacy and microservices projects
• Experience administrating/facilitating source code repository tools, including GIT and BitBucket
• Imported and managed multiple corporate applications into Bitbucket management repo
• Created Micro services using AWS Lambda and API Gateway using REST AP
• Provided operational technical guidance for Big data applications based on MapReduce, PIG and HIVE
• Designed, developed data integration programs in Hadoop environments with NoSQL data store Cassandra for data access and analysis.
• Experience on database migration from MS Access, Oracle, and MySQL into SQL Server 2008
• Created automation scripts, configured virtual private networks (VPN), and managed servers as AWS System Administrator
• Automated teh front-ends platform into highly scalable, consistent, repeatable infrastructure using high degree of automation using Chef, Terraform, Jenkins, and cloud Formation
• Experience in using build automation tool called Maven which is installed with Jenkins on chef server
• Using MAVEN as a build tools on java projects for teh development of build artifacts on teh source code
• Getting teh list of issues from teh components (Project, module, file etc) with teh help of SonarQube and responsible for upgradation of SoanrQube using upgrade center.
• Good experience in writing and debugging SQL Server stored procedures and triggers, and documenting issues/resolutions of SQL Server Applications
• Wrote SQL queries in kinesis analytics to analyze teh data per teh requirement. Processed data is sent to amazon kinesis firehouse
• AWS Meta data Management, Automating AWS EMR, Building Infrastructure as a service using Cloud Formation
• Developed Agile processes using Groovy, JUnit to use continuous integration tools
• Automated AWS resources(EC2,VPC,SG,EMR,Redshift,S3) by using terraform
• Experienced in AWS Elastic Beanstalk for app deployments and worked on AWS lambda with Amazon kinesis
• Manage Amazon redshift clusters such as launching teh cluster and specifying teh node type as well
• Architected CMI Data lake in AWS with - Redshift, EMR Spark, S3, Lambda and API gateway
• In-depth knowledge of computer applications and scripting like Shell, Python, Ruby
• Experience in working with complex environment on Red Hat Linux and Windows Servers while ensuring that teh systems adhere to organizational standards and policies
• Troubleshooted Build and Deployment Issues, with little downtime
• Created and automated teh Jenkins pipeline using pipeline groovy script for teh application
• Implemented rapid provisioning and life cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts
• Established private, public and hybrid cloud infrastructure (S/P/IAAS) across vendors, Data Warehousing, Data Migration, Data Integration
• Built various Docker images locally and hosted them in Docker HUB
• Created Amazon ELB and Auto Scaling Groups, installed, configured and maintained web and application servers including Apache Tomcat on Docker containers and integrated with Amazon MySQL RDS database
• Setup Cloudbees Jenkins based project pipeline as code pattern
• Plan, deploy, monitor, and maintain Amazon AWS cloud infrastructure consisting of multiple EC2 nodes and VMWare Vm's as required in teh environment
• Experience in setting up CI/CD pipeline integrating various tools with CloudBees Jenkins to build and run Terraform jobs to create infrastructure in AWS
• Analyze, design, development and debugging of selenium Java code to automate teh functional requirement of applications to satisfy teh requirements for one or more user areas
• Facilitated Scrum ceremonies like Sprint planning, retrospectives, Daily stand-ups, etc
• Creating user level of access for related Git Hub project directories to teh code changes
• Excellent knowledge on Network topologies such as WAN, LAN, VPN and Firewalls

Environment: Chef, Maven, Jenkins, Apache HTTPD, GIT, GitHub, JSON, VPN, AWS, AWS EC2, VPC, AWS S3, AWS IAM, AWS cloud watch, Route 53, Bash, Shell, Python, Ruby

Confidential, O’Fallon MO

AWS/ DevOps Engineer

Responsibilities:

• Responsible for creating EBS stores for storage and performed access management using AWS’s IAM service
• Hands on experience in installing and administrating CI tools like Jenkins, GIT and Nexus
• Worked in managing various Virtual Machines in Amazon using AWS and EC2 instances
• Responsible for developing and deploying AWS Cloud Formation Templates to launch infrastructure and configure various components of VPCs such as EC2, RDS, Public/Private Subnets
• Part of teh implementation team which build and engineer servers various Linux OS
• Experience in managing Maven project dependencies by creating child-parent relationships between Project
• Wrote Ansible Playbooks with Python to Manage Configurations of AWS nodes and Tested Playbooks on AWS instances using Python
• Used Jenkins for continuous integration and Jenkins Master Slave Architecture to run Jenkins build in remote RHEL servers and integrated Apache Kafka for data ingestion
• Provide startup and commissioning and ongoing services for critical airflow control systems
• Created nightly AMIs for mission critical production servers as backups
• Developed and maintained teh CI/CD systems using Jenkins, Maven, Nexus, Ansible
• Developed automation scripting in YAML using Ansible to deploy and manage applications
• Managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, managing existing servers and automation of build/configuration of new servers
• Worked with Ansible for Orchestration of Deployments for various servers
• Installed rack mounts and ladder racks for SUN, CISCO, NetApps and Dell servers
• Experience in updating teh source code and deployment in GitHub
• Deployed Docker Engines in Virtualized Platforms for containerization of multiple applications
• Experience in running multi container Docker applications using Docker compose
• Involved in various Core Java concepts such as Multi-Threading, Exception Handling, Collection APIs to implement various features and enhancement in development
• Automate and deploy development environments using Ansible to various cloud providers Amazon AWS and EC2, Rackspace, Azure. Travis and Jenkins testing
• Configured S3 bucket to host Static Web content. Experience in writing S3 policies to assign permissions and backup teh data
• Implemented CI/CD for all teh microservices of teh OEM application using Jenkins, Maven and Ansible
• Ran Automated SonaQube analysis with Jenkins job and set teh report to ALM Tool
• In VPC to secure our Private Network from DDOS attacks on network level we use Network ACL for routing teh IP address using Virtual Private Gateway for VIP's and managed instance security groups using teh internet gateway protocols
• Snaplogic integration to connect teh entitlement system with other reporting systems using amazon S3
• Worked on writing Ansible playbooks and scheduling jobs using Ansible Tower
• Used Hyper-V &VMWare technology, (Vcenter, vCAC/Realize, vSRM, and ITIL service delivery concepts)
• Installed and managed a mix Hyper-V and VMware 5.x sites
• Involved in usage of Troposphere for creating CFT stack template
• Responsible for support VM Backup & Hyper-V virtual machine (Windows), Protection groups and Recovery plan
• Possess good knowledge in creating and launching EC2 instances using AMI's of Linux, Ubuntu, RHEL, and Windows and wrote shell scripts to bootstrap instance
• Hands on experience with teh AWS CLI and SDKs/API tools. Worked on creation of Multiple Servers in Linux machines using Chef on AWS
• Installed, configured and managed teh ELK (Elastic Search, Log Facilitated Scrum ceremonies like Sprint planning, retrospectives, Daily stand-ups, etc Stash and Kibana) for Log management within EC2/ Elastic Load balancer (ELB) for Elastic search.
• Written templates for AWS infrastructure as a code using Terraform to build staging and production environments
• Creating component templates and Component processes in Udeploy
• Participated in installing plug-in into teh Jenkins server to provides teh ability to publish artifacts into an Udeploy component
• Expertise in writing new plugins to application support new functionality in Terraform
• Delivery solution for building high-density, multi-tenant data centers and cloud services, Managing cloud infrastructure and technologies
• Used Docker and OpenShift to manage micro services for development and testing.
• Deploy and configured GIT repositories with branching, tagging, and notifications. Experience in automation of merging branches as requested by teh developers
• Created a custom Puppet module skeleton to use same structure across all Puppet modules.
• Involved in creating AWS Relational Database Services clusters inside Database subnet groups for isolation of Databases within VPC
• Build Amazon EC2 instances and assigned required firewalls using security groups (SG) and Network Access Control List (NACL) rules

Environment: Chef, Maven, Jenkins, Nexus, Ansible, GIT, GitHub, YAML, VPN, AWS, AWS EC2, AWS S3, VPC, AWS IAM, AWS RDS, Bash, Shell, Python, Ubuntu, RHEL

Confidential, Arlington, TX

DevOps Engineer

Responsibilities:

• Responsible for configuration of Jenkins for automation and integration of Jenkins’ build jobs
• Automated teh builds on Jenkins in a single click
• Written new and developed existing shell scripts as per teh requirement
• Performed GIT command line push to production and customer servers
• Building of High Availability and Fault Tolerant infrastructure by utilizing various Amazon regions and availability zones
• Responsible for configuring workflows of Jenkins jobs for smooth phase of builds
• Used python scripts to automate build modules
• Involved in converting production support scripts to chef recipes
• Building pipelines for continuous integration and continuous deployment in Jenkins
• Involved in Performance Tuning of Code using execution plan and SQL profiler and added Indexes to improve performance on tables
• Performance Tuning, Analysis and optimizing for SQL Server Application by using Performance monitor
• Involved in deployment team to create archives like jar, war, ear using MAVEN and Jenkins
• Perform monitoring and alerting leveraging Cloudwatch, Cloudtrail
• Performing Data center operations with vendors such as new server rack mounts, cable management related to Unix servers and SAN storage related stuff involving SAN Switch configurations
• Involved in Managed Nodes, runlists, roles, environments, databags, cookbooks, recipes in Chef
• Installation, configuration and upgrade of Redhat Linux, Ubuntu, Amazon Linux operating systems
• Experience in diagnosing, troubleshooting various networking, hardware & Linux/ UNIX server's issues

Environment: Chef, Maven, Jenkins, Nexus, GIT, GitHub, JSON, AWS, AWS EC2, AWS Cloudwatch, AWS Cloudtrail, Bash, Shell, Python, SQL, Ubuntu, RHEL

Confidential

Build & Release Engineer

Responsibilities:

• Installation, Maintenance, Troubleshooting, Administering Linux enterprises on VMWare such as Redhat, Fedora, Ubuntu
• Involved in continuous build automation using Maven
• Supported daily and weekly routines of pushing builds based on test results
• Involved in building pipelines using Jenkins while researching and implementing code coverage
• Performing post build unit tests in Jenkins
• Involved in database deployment functionality such as executing teh scripts
• Managed and installed software packages using YUM and RPM and created repository files for offline servers
• Supported small to medium sized projects in Github
• Responsible for configuring and managing Squid server in Linux
• Experience in integrating GIT with continuous integration tool like Jenkins
• Installation of Linux servers for Web Serving, File Sharing, Database, and Git
• Involved in planning and testing new applications and operating systems
• Written SQL queries to retrieve teh data from various tables and to test teh database
• Report on VM improvements, and make recommendations for teh upgrades, which include VM virtual hardware versions and VMware Tools with less business impact
• Developed automation scripting in Python (core) to deploy and manage Java applications across Linux servers

Environment: LINUX/UNIX, Jenkins, Windows, GIT, MAVEN, Test Manager, VMware, Python

Confidential

Linux/UNIX Administrator

Responsibilities:

• Installed, configured servers like DNS, LDAP, Redhat, Ubuntu
• Involved in Kernel turning and Kernel patching
• Creating users, managing their permissions and maintaining File systems in Redhat
• Scheduled users to perform High Performance Computing activities on teh Linux cluster
• Implemented software RAID at install-time and run-time on Linux
• Responsible for writing/modifying scripts using sh, ksh, and bash for day-to-day administration
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues
• Attended calls related to customer queries and complaints, offered solutions to them
• Written scripts in Python to parse teh data from build output and analyze teh memory size requirements and reporting in CSV format

Environment: Windows, VMware, RHEL, CentOS, Ubuntu, YUM, RPM, Apache, Firewalls