SUMMARY:

• Around 9 years of experience in Information Technology industry with great involvement in AWS Cloud and Open Source technologies, Software Integration, Configuration, Release Engineer, Build and Release, planning and building a Web Application utilizing Java/J2EE Technology.
• Experience in setting up and maintaining Linux servers (CentOS, RedHat, Amazon), services and applications (Elastic Beanstalk, EC2, VPC).
• Deep knowledge in building infrastructures with a secure solution for web based applications, multi - site data centers, and protecting/securing data.
• Expert-level Knowledge of Amazon EC2, S3, Dynamodb, RDS, Elastic Load Balancing, SQS and other services in the AWS cloud infrastructure such as IAAS, PAAS, and SAAs.
• Designed, configured and deployed Amazon Web Services for a multitude of applications utilizing the AWS stack (Including EC2, VPC, Glacier, Route53, S3, RDS, SNS and IAM), focusing on high-availability, fault tolerance, and auto-scaling.
• Providing Security using IAM, Security Groups and NACL. Configured AWS IAM and Security Group in Public and Private Subnets in VPC.
• Provisioned AWS S3 buckets for backup of the application.
• Architected, Designed and Developed the Backup and Archiving, Disaster Recovery in AWS cloud.
• Managed servers on the AWS Services platform instances using Chef.
• Production experience in large environments using configuration management tools Chef, Puppet. Familiar with build server orchestration.
• Used Jenkins for continuous integration and for automating all builds and deployments.
• Developed a fully automated continuous integration system using Jenkins and custom tools developed in python.
• Implemented and maintained the monitoring and alerting of production and corporate servers/storage using AWS Cloud Watch.
• Creating an AWS RDS MySQL DB cluster and connected to the database through an Amazon RDS MySQL DB Instance using the Amazon RDS Console.
• Involved in provisioning and Automation servers on Public Cloud like AWS, Docker.
• Extensive experience in installation, configuration, and administration of WebSphere Application Server, Weblogic Application Server, Apache Tomcat Server on Linux, and Windows.
• Installed fixpacks, eFixes, and cumulative fixes to the existing infrastructure and automated it.
• Worked on setting up the life cycle policies to back the data from AWS S3 to AWS Glacier.
• Onboarded apps into UDeploy to achieve continuous integration.
• Developed a fully automated continuous integration system using Git, Jenkins, Oracle and custom tools developed in Python.
• Expertise in supporting enterprise based distributed applications over a wide range of operating environments on a 24/7 rotation basis.

PROFESSIONAL EXPERIENCE:

Confidential, Plano, Texas

AWS DevOps Engineer

Environment: EC2, VPC, S3, Route53, Docker, RDS,SNS, IAM, Ansible, AWS, Cloudformation, CloudWatch, Snowball, Glacier, AutoScaling, RDS, EFS, Jenkins, Chef, Python, CI/CD, Udeploy

Responsibilities:

• Created configured and implemented Virtual Private Cloud (VPC), Security Groups, Network Access Control List (NACL), Elastic Compute Cloud (EC2 Instances), Elastic Block Store (EBS), Simple Storage Service (S3), Elastic Load Balancer (ELB), RDS MYSQL, Subnets, Snapshots, Auto-Scaling groups, Route53, Glacier, Elastic File System (EFS), Cloudfront, Cloudwatch, Cloud Trail
• Assigned Roles and Policies to Users, Security Groups by using Identify and Access Management(IAM)
• Architecting High Availability, Auto scaling platforms in AWS cloud on Windows & Linux.
• Designed AWS cloudformation templates to create custom sized VPC, subnets, NAT to ensure successful deployment of Wen applications and database templates.
• Maintained the user accounts (IAM), RDS, Route53, VPC, RDS, DynamoDB, SQS and SNS services in AWS cloud.
• Utilized Amazon Route53 to manage DNS Zones and also assign public DNS names to elastic load balancers IP’s.
• Captured Amazon Machine Image (AMI) of EC2 instance for snapshots and creating clone’s instances for their application elsewhere.
• Build servers using AWS, Launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.
• Create instances using service like EC2, VPC, Lambda and deploying it on S3, Glacier and snow ball.
• Created monitors, alarms and notifications for EC2 hosts using Cloud watch.
• Implementing a continuous delivery framework using Jenkins, Ansible in Linux environment.
• Scripting in multiple languages on UNIX, LINUX and Windows - PowerShell, Bash, Shell script etc.
• Integrated GIT into Jenkins to automate the code check-out process.
• Deploy and monitor scalable infrastructure on AWS and configuration management using Puppet.
• Created deployments in Jenkins and configured various plugins for Jenkins for automation of the workflow and to optimize and smooth running.
• Used Amazon EC2 command line interface along with Bash to automate repetitive work.
• User, Group creation, monitoring and maintaining log for system status/health using Linux commands.
• Good understanding of ELB, security groups, NACL, NAT, firewall and Route53.
• Used Chef to automate Configuration management and to manage Web Applications, Config Files, Database, Commands, Users Mount Points and Packages.
• Implemented Docker to provision slaves dynamically as needed. Created and Maintained Docker files in Source Code Repository build images and ran containers for applications and testing purposes.
• Experience in configuration and management tool Chef. Chef-server/workstation and nodes via CLI tools.
• Implemented CI and CD for database using Jenkins and UDeploy.
• Servers configure management via Chef and System orchestration via Ansible.

Confidential, Richardson, Texas

AWS Engineer

Environment: AWS EC2, VPC, ELB, S3, Docker, CloudFormation, Chef, Git, Linux, Jenkins, Python, JIRA, Weblogic.

Responsibilities:

• Configured, supported and maintained all networks, firewall, storage, load balancers, operating systems, and software in AWS EC2.
• Used Amazon IAM tool and created groups & permissions for users to work collaboratively.
• Managing with Custom AMI’s, Created AMI tags and modified AMI permissions.
• Implementing AWS Security Groups and NACL for Additional Layer of Security.
• Planning and Implementing, Disaster Recovery and Fault for AWS services.
• Troubleshooting AWS Auto scaling and EC2 instances related issues.
• Auto scaling the instances to design cost effective, fault tolerant and highly reliable systems.
• Configured ELB with EC2 Auto scaling groups.
• Installation of EC2 instances for production, Testing and Development environment.
• Configured AWS Elastic Load balancer and Pre-warming Elastic Load Balancer as required.
• Built S3 buckets and managed policies for S3 buckets & used S3 bucket and glacier for storage and backup on AWS.
• Servers configure management via Puppet and System orchestration via Ansible
• Installed Docker Registry for local upload and download of Docker images and even from Docker hub.
• Creating and handling multiple Docker images primarily for middleware installations and domain configurations.
• Created Amazon Virtual Private Cloud to create public-facing subnet for web servers with internet access, and backend databases & application servers in a private-facing subnet with no internet access.
• ImplementedDev Opsbest tools and practices such as centralized logging (ELK) server monitoringNagiosand Automation Ansible.
• Various production errors are monitored and fixed them.
• Automated the cloud Deployments using AWS Cloudformation Templates.
• Experience supporting multi-region, multi availability zone applications in AWS created placement groups to maintain cluster of instances.
• Configured Continuous integration tool like Jenkins with version control system GIT.
• Have also worked on writing python scripts to integrate Git and Jenkins with JIRA.
• Installed uDeploy agents on both windows and Linux machines according to application team requirements.
• Used Chef to automate Configuration management and to manage Web Applications, Config Files, Database, Commands, Users Mount Points and Packages.
• Used and written Python scripts to deploy build artifacts to Weblogic WLST (Weblogic Scripting tool).
• Experience with automation/configuration management using Chef.
• Helped developers in creating uDeploy snapshots, adding version to the snapshot during production installs.
• Worked on writing scripting language python to automate applications.

Confidential

Linux Administrator

Environment: RHEL, Network Manager RPM, YUM,RAID, NFS,DNS,NIS,DHCP,SMTP.

Responsibilities:

• Responsible for installation, configuration and maintenance of various RHEL systems and Performed New and migration installations.
• Successfully Migrated RHEL using RHEL migration.
• Maintaining and monitoring the RHEL servers that run different RHEL versions.
• Installation and Configuration of Network Manager.
• Install, upgrade and manage packages via RPM and YUM package management .
• Responsible for routine system administration tasks such as user/group management, assigning permissions, managing disk space usage, logical volume management, patching, tuning, software and hardware upgrades, troubleshooting issues, process monitoring and RAID.
• Responsible for the operation, maintenance and integrity of a distributed, networked RHEL based environment
• Assisting other teams with RHEL/Linux and database troubleshooting.
• Supporting the Java Application that runs on the RHEL Server.
• Handling the Daily Tickets of RHEL, Linux, LVM Tasks and Hardware issues.
• Responsible to open and manage Change Management Record (CMR) & Incident Management Record (IMR).
• Proficiency with configuration and maintenance of NFS, DNS, NIS, DHCP, SMTP, and Networking with TCP/IP.

Confidential

Software Engineer

Environment: Weblogic 10g, Java, JSP, Javascript, Linux, Oracle, DOM, Junit, XML, XSLT, CVS

Responsibilities:

• Generated User interface Templates using JSP, JavaScript, HTML and DHTML.
• Developed the Java Code using Eclipse as IDE.
• Involved in developing the core business logic and deploying them in Weblogic 10g.
• Implemented Single Sign On (SSO) solution using Kerberos for multiple vendors.
• Involved in developing the core business logic using EJBs and deploying them on Eclipse.
• Maintaining the Database performance by writing Stored procedures and Triggers.
• Parsed the XML content and updated the database using DOM-API.
• Prepare UNIX shell scripts for testing the application.
• Wrote Perl script to monitor login status of users and query LDAP to classify users based on various parameters and requirements.
• Developed XML documents for data transfer between the web clients and the server.
• Used XSLT to transform data from one Document into another and then inserting the data into the database using Java.
• Tested the application functionality with JUnit Test Cases.
• Used CVS for version control.

Confidential, Plano, TX

Operations Support Engineer

Environment: Eutran, MS Excel, RF, Clusters, RNDCIQ, SSV’s

Responsibilities:

• Schedule the activities of the drive test teams - drive routes, type of tests, data to process, plots to generate, etc.
• At the end of shakedown analysis, prepare detailed reports and pass or fail the site accordingly.
• Coordinating with different teams like EUTRAN, RF and Drive Test teams in troubleshooting cell sites.
• Drawing Drive Routes on Microsoft Streets & Trips and MapInfo for SSV’s, Clusters to perform RF Coverage Tests.
• Created RNDCIQs for scripting teams during site configuration changes.

Confidential, Houston, TX

Java Developer

Environment: Java, JSP, Servlets, EJB, XML,JDBC, Apache Tomcat, HTML, Rational Rose 2000.

Responsibilities:

• Install Configure and Maintain Apache Tomcat 6.0 .
• Maintained separate development, test, and production environments Application Server.
• Installed JDBC drivers and Servlet engines.
• Developed WSCP, XMLConfig scripts for the Production, Test environments.
• Installed and implemented the CVS repository on the Solaris environment. Maintained the repository for the Development, Test and Production environments.
• Performed Stress and Performance testing of applications.
• Involved in pre-production staging and production deployment of application code.
• Analyze user requirements in order to determine scope, develop implementation strategies, and manage user expectations. Experienced in designing and developing applications using UML and Rational Tools.
• Working knowledge of Eclipse, CVS (Open source configuration management tool)
• Involved in Regression Testing of functional areas where defects or bugs were logged or reported
• Tested Performance of Client /Server Application.