Darsi Abraham Surendrapaul

Company Summary

LendingClub is a financial services company headquartered in San Francisco, California. It was the first peer-to-peer lender to register its offerings as securities with the Securities and Exchange Commission, and to offer loan trading on a secondary market.

Responsibilities

• Design and manage public and private cloud infrastructures using AWS, which includes VPC, EC2, S3, Cloud Front, Elastic File System, RDS, Direct Connect, Route53, Cloud Watch, Cloud Trail, and IAM. Operations were automated using CloudFormation.
• Set up CI/CD pipelines so that each commit a developer makes goes through the standard software development lifecycle and gets tested well enough before it can make it to production.
• Deploy AWS Infrastructure with IAC using Terraform as well as Cloud Formation on some of the legacy applications.
• Target deployments of AWS infrastructure to dev, qa and prod environments using Terraform code.
• Work with development team to migrate Ant scripts to Maven and work on authoring POM.XML files, and perform releases with the Maven release plugin and manage Maven repositories.
• Utilize AWS step-function for orchestrating and automating the pipeline.
• Develop scripts for AWS orchestration, maintenance, and expansion of AWS infrastructure.
• Branch, tag, and maintain the version across the environments using SCM tools like GIT.
• Create Ansible playbooks to automatically install packages from a repository to change the configuration of remotely configured machines and to deploy new builds.
• Lead transition from manual configuration and deployment to IAC using Chef, including design and implementation of cookbooks and tooling.
• Create Docker images using a Dockerfile and work on Docker container snapshots, remove images, manage Docker volumes as well as set up Docker Host.
• Use Kubernetes as open-source platform for automating deployment, scaling and operations of application containers across clusters of hosts, providing container-centric infrastructure.
• Established monitoring for microservice based applications using Grafana and Prometheus.
• Used ELK solutions for log monitoring and log aggregation.
• Configure AWS EMR to process big data across Hadoop clusters of virtual servers on S3.
• Implement security measures AWS provides and employ key concepts of IAM.
• Add support for Amazon AWS S3 and RDS to host static/media files and the database into Amazon Cloud.

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Client Summary

Zing Health Choice IL (HMO) is a Medicare Advantage plan serving Medicare eligible beneficiaries. Zing Health Choice IL takes the time to get to know you and partners with you to develop a plan to help meet your health needs and goals.

Responsibilities

• Set up UNIX/Linux environments for various applications.
• Built AWS infrastructure through configuration management tool CloudFormation and Ansible.
• Designed an architectural diagram for applications before migrating into Amazon Cloud for flexible, cost-effective, reliable, scalable, high-performance and secured operations.
• Responsible for the design and maintenance of the Subversion/Git Repositories, views, and the access control strategies.
• Responsible for on-boarding application teams to build and deploy their code using GitHub, Jenkins, Nexus, and Ansible.
• Installed, configured, and administered Linux systems (Redhat, SUSE, Centos).
• Configured network services such as NFS/NIS/NTP for UNIX/Linux Servers.
• Completed automation deployments using AWS by creating the IAM and used the code pipeline plugin to integrate Jenkins with AWS and also created EC2 instances to provide the virtual servers.
• Set up databases in AWS using RDS storage and configured instance backups to S3 bucket.
• Maintained user accounts (IAM), RDS, Route53, SES and SNS services in AWS Cloud.
• Configured AWS Import/Export to accelerate moving large amounts of data into and out of AWS using portable storage devices for transport.
• Automated deployment of applications inside software containers and configured Docker containers for branching purposes.
• Used Git for source code version control and integrated with Jenkins for CI/CD pipeline, code quality tracking and user management with build tool Maven.
• Defined dependencies and plugins in Maven POM.XML for various activities and integrated Maven with GIT to manage and deploy project-related tags.
• Coordinated in pushing code to GitHub and automated the process of release by pushing all the code to GitHub.
• Experience modeling data and selecting application paradigms using PostgreSQL and NoSQL.
• Designed and built a continuous integration and deployment framework for Chef Code using test-driven development.
• Deployed VPC with VPN attachment to physical datacenter.
• Automated the front-end platform into a highly scalable, consistent, repeatable infrastructure using a high degree of automation using Chef, Vagrant, Jenkins, and CloudFormation.
• Used metrics to monitor application and infrastructure performance.
• Pushed VPC flow logs and their execution into Splunk and monitor deployments.
• Reviewed existing systems and made recommendations for improvements.

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Company Summary

Zen3 is an AI-first, data-driven, cloud-native organization. We work with several leading companies in the world to solve their unique technology challenges. Our customized solutions help our clients lead their industry in innovation, increase operational efficiency, reduce costs, and outdo competition.

Responsibilities

• Designed and built AWS infrastructure using various resources such as VPC, EC2, S3, IAM, EBS, Security Groups, Auto Scaling, Transfer for SFTP, Elastic Beanstalk, CloudFront, VPC, CloudWatch, Lambda, Trusted Advisor, RDS, Cost Explorer & AWS CLI.
• Implemented rapid provisioning and management for Linux using Amazon EC2, Ansible, and custom Bash scripts.
• Implemented life-cycle policy for snapshots.
• Deployed AWS resources using AWS Cloud Formation.
• Created alarms and notifications for EC2 instances using CloudWatch.
• Triggered AWS Lambda functions using CloudWatch scheduled events.
• Managed IAM service in AWS for assigning roles and polices to users and used the IAM console to create custom users and groups.
• Maintained tagging compliance for all the AWS resources and updated all tags using AWS CLI.
• Retrieved resource metrics using AWS CLI, such as maximum/average CPU utilization and memory usage.
• Ensured regular tag compliance and patch compliance to the servers.
• Created S3 buckets and maintained and utilized the policy management of S3 buckets and Glacier for storage and backup on AWS.
• Provided technical assistance to all phases of the Cloud Program, including Infrastructure as a Service (IaaS) and Platform as a Service (PaaS).
• Worked with Jenkins pipeline suite for supporting the implementation & integration of continuous delivery (CD) pipelines.
• Installed, configured, and administered Jenkins Continuous Integration (CI) tool on Linux machines along with adding/updating plugins such as GIT, Maven, and Ansible.
• Used Ansible/Ansible Tower as a configuration management tool to automate daily tasks, rapidly deploy critical applications, and proactively manage change.
• Provisioned, operated, and maintained systems running on AWS and configuration management using Ansible, and deployed microservices using Ansible.
• Enabled SSH access to servers from the jump server without key or password using Ansible and the shell.
• Involved in configuration automation and centralized management with Ansible and implemented Ansible to manage all existing servers and automate the build/configuration of new servers.
• Worked with Ansible for deployment of security tools, Nagios agents, and Nagios Servers in different environments.
• Defined Terraform modules such as Compute and Users to reuse in different environments.
• Established and applied appropriate branching, labeling/naming conventions using GIT source control.
• Configured GIT plugin to offer integration between GIT and Jenkins.
• Deployed build artifacts to application server using Maven and wrote Maven POM.xml files to automate integrated build activities on Jenkins.

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Company Summary

Amazon.com, Inc., doing business as Amazon, is an American multinational technology company focusing on e-commerce, cloud computing, online advertising, digital streaming, and artificial intelligence.

Responsibilities

• Close collaboration with core operations teams design reports that provide insides into productivity and efficiency of our teams and into the performance of our operations.
• Analyze the business requirements in order to initiate the process right from data collection to gain insight..
• Draw inferences and analysis to drive the desired analytical needs to improve Operations services.
• Enabled costing savings by suggesting improvements in Kindle Direct Publishing.
• Use charting tools like Tableau to optimize and improve our operations reporting structure.