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sameer - Devops Engineer

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Location: Sacramento, California, USA

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Sameer Mohammad Over 10 years of Information Technology experience in several phases of the SDLC where my main area of expertise and specialized skills is in DevOps that includes setting up infrastructure on cloud, build automation and management, software configuration management, release management, application and infrastructure monitoring, continuous integration and continuous delivery. Have automated the CICD automation pipelines streamlining software engineering practices. SUMMARY Extensive experience as DevOps engineer in developing and creating DevOps Continuous Integration and Continuous deployment (CICD) pipelines for automating infrastructure and application deployments. Strong Experience in implementing Data warehouse solutions in Redshift and in migrating data from on premise databases to Redshift, RDS and S3. Involved in all the stages of Software Development Life Cycle Primarily in Database Architecture, Logical and Physical modeling, Data Warehouse/ETL development using SQL Server, Oracle, and ETL Solutions/Analytics Applications development. Proficiency with Configuration Management tools & Build management tools such as AWS cloud, GitHub, Maven, Gradle, shell script, Jenkins, Ansible, Terraform, Prometheus, Docker and Kubernetes and Installation, setup and troubleshooting experiences for Linux, Ubuntu and Windows on several hardware platforms. Extensive experience in designing, developing, and delivering business intelligence solutions using SQL Server Data tools/SQL Server Integration Services (SSIS) and Reporting Services (SSRS). Strong SQL development skills including writing Stored Procedures, Triggers, Views, and User Defined functions. Being part of Central DevOps team worked right from DevOps assessment, determining DevOps maturity, standardizing tool suite AWS DevOps and handled many applications, worked extensively on CI/CD. Have driven software deliverables with an expertise in areas of software configuration management, build release management and change management. Experience in compromising Infrastructure Automation with DevOps, Configuration management, Digital Transformation and Application Migration. Experienced in engineering end to end solutions in software infrastructure to build an efficient, highly secure architecture. Experience on Cloud Databases and Data warehouses ( SQL and Amazon Redshift/RDS) Experience in creating custom DevOps solutions, Microservice Implementations and Cloud services with an expertise in automation and hands on experience working on Server-less & event driven architecture. Extensive experience in designing and writing the modules for infrastructure and application configuration updates using Ansible, implement playbooks for configuration management and multi-machine deployment. Experience in writing Ansible YAML scripts to configure the remote servers and working with AWS cloud management and ansible automation. Extensive experience in following the software release cycle, making sure deployed applications are into production with continuous testing workflow necessary/mandatory approvals. Hands on experience with version VSTS, SVN and GIT control systems to create daily backups and checkpoint files. Experience in designing and building multi-terabyte, full end-to-end Data Warehouse infrastructure from the ground up on Amazon Redshift for large scale data handling millions of records every day. Experience in installing, configuring, and maintaining Jenkins for purpose of Continuous Integration and for end-to-end automation for all build, deployments and creating Jenkins CI pipelines. Experience in Architecting and securing the Infrastructure on AWS using EC2, S3, RDS, VPC, IAM, ECR, API Gateway, CloudWatch, Amazon SQS, SNS, SES, Config, Lambda, Security Groups, Route Tables, Route53, and deploying applications utilizing all these services majorly focusing on high-availability, fault tolerance, and Autoscaling in AWS CloudFormation. Experience in assisting the migration tools selection; I have assisted clients in migrating major workloads from on premise to AWS cloud. Experience in designing and automating the legacy systems bringing Overall efficiency to the systems. Experience in JIRA for ticketing and as well as defect tracking system and configure various workflows, customizations and plug-ins for JIRA bug/issue tracker, integrated Jenkins with JIRA, GitHub, Maven. Extensive experience working with AWS Cloud Services in developing well architected frameworks. Hands on experience working with terraform to create Infrastructure. Worked with terraform modules to create databases, resource groups, network security groups on AWS clouds. In-depth knowledge of computer applications and Shell scripts (Bash), Python, PowerShell and for automating tasks. Have automated the tagging standards as a part of compliance in the source code repository following the best practices throughout the CICD process. PROFESSIONAL EXPERIENCE Sr. Cloud DevOps Engineer (Jun 2022 Present) Clients: MUFG Union Bank Responsibilities: Extensively worked on designing and creating the automation pipeline using AWS CFT, Terraform, Stacker and AWS CDK s to provision AWS resources. Involved in designing and deploying large java applications utilizing almost all the AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high availability, fault tolerance, and auto-scaling in AWS CloudFormation. Work extensively on CICD open framework with inner sourcing reusable pipeline functions community. Building and designing multi-terabyte, full end-to-end Data Warehouse infrastructure from the ground up on Amazon Redshift for large scale data handling millions of records every day. Optimizing and tuning the Amazon Redshift Environment, enabling queries to perform upto 100x faster for Tableau and SAS Visual Analytics. Configured AWS IAM and Security Group in Public and Private Subnets in VPC. Managed multiple AWS accounts with multiple VPC's for both production and non-production. Supported AWS Cloud instances and used AWS CLI to manage and configure various AWS products. Performed the automation deployments using AWS by creating the IAMs and used the code pipeline plugin to integrate Jenkins with AWS and created the EC2 instances to provide the virtual servers. Have automated the infrastructure deployments using Bitbucket, Jenkins and designed a Continuous Delivery pipeline with GitHub, Jenkins, Ansible and Docker. Responsible for Data validation and ETL using SQL server integration services and also deployed monitoring, metrics and logging systems on AWS. Used Ansible and Ansible Tower as configuration management tool, to automate repetitive tasks, quickly deploys critical applications and proactively manages change. Provisioned load balancer, auto-scaling group and launch configuration for micro services using ansible and also implemented ansible to manage all existing servers and automate the build/configuration of new servers. Design, develop and build cloud based infrastructure for application development and migration. Created AWS S3 buckets, performed folder management in each bucket, managed CloudTrail logs and objects within each bucket. Deployed Java based applications to application servers through automation pipeline. Design, develop & implement Event Driven & Serverless Architecture. Worked with Terraform to create stacks in AWS from the scratch and updated the Terraform as per the organization's requirement on a regular basis. Create AWS Organizations hierarchy and policies (SCP) to secure AWS Landing Zone. With my experience in creating Jenkins CI pipelines and in automating all build and deployments, Implemented Code coverage and unit test plugins with Maven in Jenkins. Extensively worked on AWS Control Tower Bootstrap automation for Account Vending Machine. Have automated infrastructure server related activities with configuration management tools such as Ansible. Have developed Tagging policies and tag remediation configurations. Worked with cloud expertise and have implemented CICD hybrid scalable solutions that can be extended to integrate cloud ecosystem services. Extensively worked on automation pipeline using terraform to build and deploy the hybrid cloud platform infrastructure. Implemented Work Load Management (WML) in Redshift to prioritize basic dashboard queries over more complex longer-running adhoc queries. This allowed for a more reliable and faster reporting interface, giving sub-second query response for basic queries. Managed GIT repositories for branching, merging and tagging and developing Groovy Scripts for automation purpose. Extended the generic process by attaching the Jenkins job webhook to all the current Java and Scala-based projects in GitHub. Experience in managing the artifacts generated by Maven in the Nexus repository. Define VPC & Subnet structure using Transit Gateway & manage, update & configure Direct Connect, IpSec VPN, Route 53 Resolver, RAM with AWS environments. Managed all aspects of the software configuration management process including code compilation, packaging, deployment, release methodology and application configurations. Extensively worked on workflow to automate AWS Account Creation bootstrap embedded with enterprise security and compliance controls. Define various monitoring and alert mechanisms using CloudWatch, SNS etc. Work closely with vendors for implementing and monitoring of business units that are deployed through automation pipeline. DevOps Engineer (Nov 2017 Apr 2022) Client: Propelld Corp. , Banglore, India Responsibilities: Worked extensively on CICD pipelines with inner sourcing reusable pipeline functions community. Assisted end-to-end release process from the planning of release content through to actual release. Provisioning AWS EC2 Infrastructure and deploying applications in AWS Elastic load balancing. Written AWS CloudFormation Templates for different services like CloudFront Distribution, API Gateway, Route 53, Elastic Cache, VPC, Subnet Groups, Security Groups. Maintained S3 storage in AWS Cloud environment and implemented access management and security groups in AWS. Created Python scripts to totally automate AWS services, which includes web servers, ELB, CloudFront distribution, database, EC2 and database security groups, S3 bucket and application configuration, this script creates stacks, single servers, or joins web servers to stacks. Worked on AWS Data Pipeline to configure data loads from S3 to into Redshift and used Json schema to define table and column mapping from S3 data to Amazon Redshift. Developed configuration management policies and practices in regards to SDLC along with automation by using scripting languages like Shell/Python Scripting. Created and Implemented various Test Automation scripts pertaining to Agile-based Continuous Integration environments. Troubleshoot issues along the CI/CD pipelines. Integrate Unit Testing, Code Coverage and Deployment tools with Jenkins and Maven. With my Expertise, assisted in researching and analyzing various Open source, Enterprise automation tools and implementing them to align with dynamic transformations in industry/market standards. Developed Mappings, Sessions, and Workflows to extract, validate, and transform data according to the business rules using Informatica. Configured and integrated the servers with different environments to automatically provision and create new machines using Ansible automation tool. Experience in designing and building multi-terabyte, full end-to-end Data Warehouse infrastructure from the ground up on Amazon Redshift for large scale data handling millions of records every day. Developed and implement playbooks for configuration management and deployed various AWS resources for automation. Deployed system stacks for different environments Dev, Test, Stage and Prod in both On-premises and cloud infrastructure, with a focus on implement and improve continuous integration , testing and deployment using Git, GitHub, Jenkins, Docker, Maven, Gradle, Jfrog, Ansible and Selenium. Worked on modernizing on premises data warehouse to a fast, scalable, easy to manage, and cost-effective cloud data warehouse running on Amazon Redshift. Implemented Billing using AWS CUR reports. Automated build and deployment process for application, re-engineering setup for better user experience, and leading up to building a continuous integration system for all our products. Implemented Network Traffic Analysis using VPC flow logs. Developed Jenkins file to create comprehensive Jenkins jobs, vastly increasing efficiency, and accuracy of common, repetitive tasks. Participated with offshore teams to manage the integration of new projects and implementation of branching and merging strategies in resolving GIT conflicts. Coordinated with software development teams and QA teams to ensure efficient software release cycle. Build & Release Engineer (On-Premise & Cloud) (Sep 2013 Oct 2017) Ecobiased Technologies, Banglore, India Responsibilities: Worked closely with development team in the design phase and developed various DevOps solutions. Participated in SCM tool evaluation selection and implementation. Proactively identified, implemented process and other operational improvements for build/release/deployment. Created Jenkins pipelines for Build, Deployment, and other day to day task and automated the build process using Jenkins jobs. Experience executing the CI Jenkins build job for both Android and iOS application builds. Using GIT (Stash) tool as the source code repositories for all projects and Artifactory for all builds (ipa/apk) release repository. Deployed the services by Jenkins pipeline. Created and maintained pipelines to manage the IAC for all the applications. Used Maven as build tools on java projects for the development of build artifacts on the source code. Experience in writing build and deploy xml s using POM xml for maven. Integrated Maven with shell scripts created in Bash to automate the deployments for the Java based applications. Automated the build and release management process including monitoring changes between release. Setup and build AWS infrastructure various resources VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, and RDS in CloudFormation JSON templates. Have developed the build and monitoring software projects continuously with CI tools like Jenkins and Hudson. Worked on the configuration management tools Ansible for deploying the codes between various environments. Worked closely with multiple development and test teams to provide process design, management, and support for Source Code Control, Code Compilation, Change Management, and production release management. Deployed JAR, WAR & EAR artifacts into the Web Logic servers and Apache servers. Responsible for installation, upgrading, patches, migration, configuration, troubleshooting, security, backup, disaster recovery, performance monitoring and fine-tuning on Linux and Windows Systems. Worked closely with Project Managers to understand a code/configuration release scope and participated in the release cycle of the product, which involved environments like Development, QA, UAT and Production. Worked in scrum process attending daily stand up and completing tasks in sprints and worked in JIRA to capture, organize and prioritize issues. Administering JIRA for issue management. EDUCATION Bachelor Of Technology in Information Technology J.N.T.U.H University, Hyderabad, India SKILLS CI/CD tool Stack Jenkins, Ansible, Git, Maven, Gradle, Jfrog, Junit, Gitlab, SVN, TFS, Bitbucket Containerization Tools Docker, Kubernetes, OpenShift Application Servers Apache Tomcat, Jboss Database SQL, Oracle, Redshift OS Platforms Centos, RHEL, Windows, Ubuntu Scripting Shell, YAML, Groovy, Python Monitoring Grafana, Prometheus, Elastic Search, log Stash, Kibana Cloud Amazon Web Services(AWS), Microsoft Azure AWS Services CloudFormation, CloudWatch, Lambda, S3, Route53, SNS,SQS, etc SDLC Agile, Waterfall Bug Tracking JIRA, ServiceNow Keywords: continuous integration continuous deployment quality analyst sthree database