info@itstacks.net

Rahul D

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  • ITstacks
  • Tech Mahindra
Description
AT&T’s B2B application called ‘Premier’ along with another 2 fairly new projects from AT&T and Rogers Telecommunication. Premier is AT&T’s B2B application that helps enterprises with their telecom needs. It’s is a mission critical application that helps AT&T make about 25 thousand sale-transactions daily. It is a typical 3 tier application that runs from 2 data-centers and connects to 34 downstream applications

Responsibilities
  • Support a fleet of application environments and automate project workflows. Our environments use SVN, Jenkins, CI-CD Pipeline, Chef, Docker, Kubernetes along with Apache, Nginix, JBoss & Weblogic on a DevOps model.
  • Analyze and resolve issues in application and environments. We use Splunk, Dynatrace and Nagios along with traditional log files.
  • Install, configure and maintain server systems for business operations. We are on AT&T’s private Cloud env and are currently exploring the idea of moving to AWS. In past we have migrated 2 major applications from traditional bare metal servers to AT&T’s Private Cloud.
  • Define and automate release train pipelines and environments, build resilient systems and create repeatable processes.
  • Execute strategies and monitoring tools and improve automated infrastructure components.
  • Participate in Pre-Sales and gain understanding of business requirements and release schedules.
  • Develop informative dashboards with understandable visualization of data for the senior executives.
  • Coordinate with the offshore team to ensure that requirements are clearly understood and delivered in time.
  • Act as Product Manager for Infra Module and decompose larger stories into tasks.
  • Provide technical guidance and leadership to team members and build future leads.
  • Driving Estimations, Planning, Tracking and Control of the Project.
  • Developing relationship with Development, QA and other support team to build a healthy and conducive environment.
  • Cognizant
Description
Deutsche Bank, supported the environments of 8 of their internal applications. The technology stack included Apache, Shell scripting, Weblogic and a few proprietary software of Deutsche Bank.

Responsibilities
  • Support, design, install, configure and monitor Java based applications and Web servers with servers running primarily on Linux and Unix.
  • Spearhead new fully functional environments with end to end configurations including Web servers, App servers and Database servers.
  • Improvise scripts to automate deployments on these environments.
  • Architected DR site for customers, implemented and maintained with every deployment cycles in Production. Conducted DR drill to ensure all is in sync with production site.
  • Export and Import database dumps to create replica of actual Production environment.
  • Support, analyze and make performance or capacity recommendations as necessary.
  • Assisting team in troubleshooting showstopper issues. Worked as an architect helping team in upgrading landscapes to latest versions and tracking the progress
  • Provide technical guidance and leadership to team members.
  • Research new and developing technology and their applicability to the environments.
  • Analyze all aspects of the existing infrastructure and recommend modifications that will enhance.
  • HCL Technologies
Description
Weblogic was the latest and greatest application server at that time. Developed by BEA Systems it was easily taking over the rival IBM’s Websphere primarily due to its excellent support. As part of the Frontline support team, we were responsible for troubleshooting issues that users were facing while using Weblogic Server. Getting certified as a Weblogic Certified Administrator.

Responsibilities
  • Carry out technical analysis of customer problems and provide solutions to them.
  • Helping developers and customers in troubleshooting performance issues and recommending performance parameter for application and webservers
  • Analyze customer code, file and carry out Change requests, develop patches and suggest enhancements.
  • Recommend the correct architecture and performance parameters based on the customer’s application and business logic.
  • Constant interaction with customers with regards to performance optimization, application and product enhancements.
  • Assist the customers in different aspects regarding security and performance tuning and administer their Weblogic server’s architecture.
Languages Spoken
English, Hindi, Gujrati
Cloud Services
Storage Accounts, Redis Cache, Load Balancer, Active Directory, Monitor, SQL Database, App Service (Function and Logic Apps), Virtual Machines (Windows and Linux), DNS zones. AWS- S3, Route 53, Cloud Watch, EC2, Lambda Function, Cloud Front
Databases
MS SQL Server, MY SQL Server, Amazon RDS, Amazon Dynamo DB
CI/CD
Jenkins, Dockers, Kubernetes, GIT, Chef, Ansible, Tomcat
Operating Systems
Windows Sever 2016 Datacenter, Windows Server 2012R2,Ubuntu Server 16.04 LTS (AWS EC2 Environment
Scripting Language
PowerShell, Shell Scripting, JSON, JavaScript, Core PHP, Python
  • 1

    Master of Science - Texas University

  • 2

    Bachelor Of Technology (Computer Science) - IIT Bombay

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