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Click here or scroll down to respond to this candidate KRISHNAEmail: EMAIL AVAILABLE PH: PHONE NUMBER AVAILABLEDevOps Engineer_ SREPROFESSIONAL SUMMARY: Expertise in AWS cloud services (including EKS), Python scripting, and CI/CD pipeline development with a strong focus on enhancing operational efficiency and reliability. Over 10 years of experience in AWS, Microsoft Azure, GCP, SRE, DevOps, OpenText, xECM, and System Administration. Designed, implemented, and managed scalable, secure cloud infrastructures on GCP and Azure with expertise in automation, CI/CD, container orchestration, IaC, and cloud security. Expertise in AWS cloud services, Python scripting, and CI/CD pipeline development, with a strong focus on enhancing operational efficiency and reliability. Experienced in utilizing Apache Airflow for orchestrating complex ETL workflows, ensuring data accuracy, and improving processing efficiency. Proficient in AWS services (EC2, S3, ELB, EBS, RDS, DynamoDB, IAM, VPC, Route 53, CloudWatch, CloudTrail) for provisioning and managing environments. Specialized in OpenText solutions for digital transformation and experienced in setting up and managing OpenShift clusters on-premises and in the cloud. Skilled in configuring OpenShift routes, services, persistent storage, templates, Helm charts, and integrating with CI/CD tools for automation. Expertise in monitoring, optimizing, and troubleshooting OpenShift clusters, ensuring performance, scalability, and security. Implemented DevSecOps practices in OpenShift and collaborated with development, operations, and security teams. Assisted clients in developing cloud strategies on AWS and implemented data ingestion modules using AWS Step Functions, Glue, and Python. Automated DevOps functions using Terraform, Ansible, and managed xECM infrastructure. Designed CMDO receiver application using IBM DB2 and WebSphere. Proficient in chaos engineering with Azure Chaos Studio and cost optimization for AWS services. Set up monitoring solutions with Nagios, Prometheus, Grafana, and performed performance tuning of OpenText databases and servers. Experienced with OpenShift architecture and tools like oc, kubectl, and Helm, and skilled in load balancing across networks and applications. Led automation projects for CI/CD pipelines, enhancing deployment reliability, and utilized Harness Continuous Delivery and GitLab CI. Managed AWS infrastructure using ECS, ECR, EKS, Terraform, and Nexus for artifact management. Configured Jenkins for CI/CD, Docker for containerization, and Ansible for configuration management. Experienced in Linux administration, Shell, Bash, Perl, Python scripting, and SDLC processes. Proficient in source control management, load balancers, web service APIs, and tools like Jira, Confluence, ServiceNow, Terraform, and SQL/NoSQL databases. Knowledgeable in Test Driven Development, ALM tools, DevOps security, compliance, and governance. Strong communicator, constant learner, and self-motivated team player with experience in Agile and cross-functional teams.TECHNICAL SKILLS:Cloud Services: Amazon Web Services (AWS, EKS).Configuration Management Tools: AWS CloudFormation, azure, Ansible, Terraform.Containerization/SRE Tools: Kubernetes, Docker, EKS, ECS, Helm.Continuous Integration/Continuous Delivery Tools: AWS Code Pipeline, Jenkins.Operating Systems: Linux, UNIX, Windows.Version Control System/Repository: Get, Bitbucket, SVN.OpenText Products: OpenText Content Suite, OpenText Extended ECM, OpenText AppWorks, OpenText Archive Center.Monitoring, Logging, & Security: AWS CloudWatch, AWS CloudTrail, Splunk, Prometheus, Granma, Nagios, Istook, HashiCorp Vault.Scripting languages: Python, PowerShell, Bash, and Java.Databases: MySQL, SQL Server, Oracle, MongoDB.Application & Web Servers: Tomcat, Apache, Nginx.Web Technologies: HTML, CSS, JSTicketing & Defect Tracking Tools: Jira, Confluence, Service Now.Build Tools: ANT and MAVEN.Software Development: Agile/Scrum and Waterfall methodologies.PROFESSIONAL EXPERIENCE:Maximus, Denver, CO April 2023 to PresentSr AWS DevOps Engineer/SREResponsibilities Experience with Amazon Cloud Computing web services like Elastic Compute Cloud (EC2), and Simple Storage Service (S3). Developed and maintained automation scripts using Python, Bash, and PowerShell to streamline OpenShift deployment processes, backups, and routine maintenance tasks. Designed and implemented a Python-based automation tool to monitor and manage cloud resources, reducing manual intervention and improving operational efficiency. Developed scripts to automate the provisioning and de-provisioning of cloud resources. Implemented monitoring capabilities to track the performance and health of cloud resources. Created a user-friendly interface for operations teams to manage and monitor resources without deep technical knowledge. Provisioning of AWS instances using Terraform and creating modules to create infrastructure of AWS. Version control and source code management using the GI Installation and configuration of GIT and making it ready for deployment. Implemented Apache Airflow for orchestrating complex workflows, ensuring timely and reliable execution of ETL processes, and integrating it with existing data pipelines. Designed, implemented, and managed large-scale containerized applications on OpenShift ensuring high availability, scalability, and reliability. Designed and developed DAGs (Directed Acyclic Graphs) to automate data processing tasks. Integrated Airflow with AWS services such as S3, Redshift, and EMR for seamless data flow. Scheduled and monitored workflows, ensuring timely execution and data accuracy. Developed and maintained automation scripts using Python, Bash, and PowerShell to streamline OpenShift deployment processes, backups, and routine maintenance tasks. Integrated OpenShift applications with CI/CD pipelines using Jenkins, GitLab CI, and Azure DevOps to enable continuous delivery of updates and new features. Installed Continuous Integration Server Jenkins as a service, configured the projects on Jenkins, and automated the build, deployment, and test execution on all the target platforms. Configured end-to-end delivery pipeline using Git version control system, Maven, Jenkins, and Tomcat server. Designed and implemented scalable enterprise monitoring systems using OpenShift. Utilized Terraform and Google Cloud Deployment Manager for infrastructure provisioning and management, ensuring repeatable and auditable infrastructure changes. Implemented the Continuous Integration server (Jenkins) to automate the build process for Maven projects. Installing Plugins in Jenkins as per project requirements. Creating new jobs in Jenkins and managing the build-related issues. Managed VM instances, set up auto scaling, and configured load balancing to ensure high availability. Proficient in utilizing Harness to automate and streamline the deployment pipeline, ensuring smooth and reliable continuous delivery processes. Experienced in setting up deployment strategies, managing environments, and monitoring deployments. Led the deployment and integration of OpenText Content Suite and OpenText Extended ECM into enterprise environments. Extensive experience with Azure services and tools, leveraging Azure Chaos Studio to enhance fault tolerance and reliability within complex cloud environments. Deployed scalable cloud solutions on GCP using Google Compute Engine, Google Kubernetes Engine (GKE), and Google Cloud Storage. Designed and implemented CI/CD pipelines using Google Cloud Build, Jenkins, and Spinnaker. Integrated with GitHub and GitLab for automated build, test, and deployment processes. Strong understanding of DevOps principles, including continuous integration, deployment, and monitoring, integrating chaos engineering seamlessly into existing CI/CD pipelines. Developed and maintained automation scripts using Python, Bash, and PowerShell to streamline OpenText deployment processes, backups, and routine maintenance tasks. Designed, implemented, and managed large-scale containerized applications on OpenShift, ensuring high availability, scalability, and reliability. Designed and implemented scalable and resilient OpenText infrastructure on both on-premises and cloud platforms (AWS, Azure). Designed and implemented scalable enterprise monitoring systems using OpenShift. Implemented automated CI/CD pipelines using OpenShift, resulting in improved efficiency and reduced downtime. Integrated OpenText applications with CI/CD pipelines using Jenkins, GitLab CI, and Azure DevOps to enable continuous delivery of updates and new features. Installed Continuous Integration Server Jenkins as a service, configured the projects on Jenkins, and automated the build, deployment, and test execution on all the target platforms. Working with multiple jobs and performing deployment activities. Configured end-to-end delivery pipeline using Git version control system, Maven, Jenkins, and Tomcat server. Configured Jenkins with git source code control management tool with webhook configuration and monitored the continuous builds for continuous deployment. Setting up JENKINS master, adding the necessary Plugins, and adding more slaves to support scalability and agility. Utilized Terraform and Google Cloud Deployment Manager for infrastructure provisioning and management, ensuring repeatable and auditable infrastructure changes. Extensive experience using MAVEN as a build tool for the building of deployable artifacts (jar, war & ear) from source code. Using Ansible Configuration management tool, to automate repetitive tasks, quickly deploy critical applications, and proactively manage change. Creating Custom Docker images using Docker files. Work with Agile/project teams to build automation pipelines for application environment deployments. Perform configuration maintenance, troubleshoot repository issues, build projects, write/update scripts, and troubleshoot issues. Collaborate with development staff to incorporate updates and changes to the software. Update the build scripts to accommodate and incorporate these changes into the production software for deployment. Expert in configuring and maintaining GitLab CI pipelines to automate testing, building, and deploying applications. Familiar with integrating GitLab CI with other tools and platforms to create robust CI/CD workflows. Competent in managing artifact repositories using Nexus, ensuring efficient storage and retrieval of build artifacts. Experienced in setting up and maintaining Nexus repositories to support continuous integration and delivery processes. Implemented CI/CD pipelines using Jenkins and GitLab CI to streamline the deployment and updates of xECM, reducing downtime and manual intervention. Setting up CI/CD pipeline for code deploys onto AWS environment using Jenkins. Coordinate release planning, support CI/CD, IBM DB2, and continuous testing. Utilized OpenText's native connectors and REST APIs to facilitate data exchange and synchronization between xECM and other enterprise applications. Build and deploy code in Linux environments for production release. Build code using CloudFormation templates& Jenkins jobs and deploy code onto UAT environments. Creating task definitions using Jenkin job/update in AWS console for services to deploy the latest code onto EC2 instances. Adept at deploying and managing Kubernetes clusters on AWS using EKS. Experienced in container orchestration, scaling, and managing Kubernetes resources to support high-availability applications. Building/Maintaining Docker container clusters managed by Kubernetes Linux, Bash, GIT, and Docker, on GCP Configuring and triggering Jenkins jobs to create task definitions for ECS and deploy containers onto EC2 instances. Involved in defining and deploying monitoring, metrics, and logging systems on AWS and developing application dashboards. Interface/support incident resolution with 1st and 2nd level support teams.Environment: AWS, Docker, CI/CD, Maven, Jenkins, Java, JSP, AWS (EC2, VPC, ELB, S3, RDS, EBS, ELB, ATDD, AWSCLI, Cloud Formation, IAM, Cloud watch), Azure, VSTS, Jenkins, Maven, Nexus, WebLogic, Nginx, Subversion, GITHUB, Ansible, ELK stack, SonarQube, JIRA, Linux, IBM DB2, Harness Continuous Delivery, Gitlab Continuous Integration, WebLogic, Perl, Terraform, Shell, Python, Ruby, Terraform, and Kubernetes.Amway Corp ADA, MI June 2020 to March 2023AWS DevOps Engineer/SREResponsibilities Engineer new deployment solutions for various new technologies in AWS Cloud. Integrate infra components such as CloudFormation, Terraform, and Ansible and encryption solutions using HashiCorp Vault systems and APIs. Developed a Python-based monitoring system that integrated with AWS CloudWatch and Prometheus, enhancing the observability and reliability of cloud services. Utilized Apache Airflow to automate and schedule data processing workflows, improving data pipeline reliability and efficiency. New/Update Deployment solutions for several technologies such as Big Data products, Databases, EAI products, etc. Developed and deployed containerized applications on OpenShift, ensuring high availability and scalability. Customized OpenShift solutions to meet specific business requirements, ensuring seamless integration with other enterprise systems such as ERP, CRM, and legacy systems. Created and optimized CI/CD pipelines using OpenShift Pipelines, Jenkins, and GitLab CI/CD to automate testing, building, and deployment of applications. Implemented automated testing and deployment processes to ensure reliable and repeatable OpenShift application deployments. Utilized configuration management tools like Ansible and Puppet to automate the provisioning and configuration of OpenShift environments. Customized OpenText solutions to meet specific business requirements, ensuring seamless integration with other enterprise systems such as ERP, CRM, and legacy systems. Developed and deployed containerized applications on OpenShift, ensuring high availability and scalability. Utilized configuration management tools like Ansible and Puppet to automate the provisioning and configuration of OpenText environments. Managed storage solutions, ensuring optimal performance and availability for OpenText repositories. Used Terraform as Infrastructure as a code and Execution plans, Resource Graphs, Change Automation and extensively used Auto-scaling launch configuration templates for launching Amazon EC2 instances while deploying Micro services. Created and optimized CI/CD pipelines using OpenShift Pipelines, Jenkins, and GitLab CI/CD to automate testing, building, and deployment of applications. Automated testing and deployment processes to ensure reliable and repeatable OpenText application deployments. Deployed and managed containerized applications using GKE. Implemented Helm for Kubernetes application deployment and managed multi-cluster environments. Led the implementation of chaos engineering practices within the organization, leveraging Azure Chaos Studio to conduct controlled experiments and identify system weaknesses. Created and deployed VMs on Microsoft Azure, managed ATDD, SQL, and Virtual Networks to connect all the servers, and designed ARM (AZURE Resource Manager) templates for the Azure platform. Implemented AWS Lambda functions to run scripts in response to events in Amazon Dynamo DB table or S3 bucket or to HTTP requests using Amazon API gateway. Developed Java API to interact with Amazon SQS used for sending bulk emails. Also, to connect the AWS S3 services for storing and retrieving data in S3 buckets. Integrated xECM with SAP and Salesforce, enabling seamless content management and improving data accessibility across business processes. Worked on Server services (Azure Functions) created and configured HTTP Triggers in the Azure Functions with Application Insights for monitoring and performing load testing on the Applications using the VSTS Implement agile CI/CD systems with automation to Jenkins, Bitbucket& Artifactory. Extensive experience with various AWS services, including EC2, S3, VPC, RDS, and IAM. Skilled in designing and implementing scalable, secure, and cost-effective cloud infrastructure solutions. Implemented CI/CD pipelines using Jenkins and GitLab CI to streamline the deployment and updates of xECM, reducing downtime and manual intervention. Proficient in managing Docker container registries with AWS ECR and deploying containerized applications using AWS ECS. Knowledgeable in creating and managing ECS clusters, services, and tasks. Interact with product vendors& produce new releases/patches with new features/fixes. Proactively identifying and implementing opportunities that enable the development groups to provide the best solutions to their businesses. Create and maintain operational runbooks and documentation. Review issues/escalations, resolve production problems, and promptly report the status and technical matters to the management. Monitor for and troubleshoot/triage system problems, evaluate potential single points of failure within the Cloud infra, and recommend risk-mitigation steps to build a high-availability solution.Environment: Java, JSP, AWS (EC2, VPC, ELB, S3, RDS, EBS, ELB, AWSCLI, Cloud Formation, IAM, CloudWatch), Azure, VSTS, Jenkins, Maven, Nexus, WebLogic, Nginx, Subversion, GITHUB, Ansible, ELK stack, Big Data, SonarQube, JIRA, ECR/ECS, AWS, Linux, IBM DB2, WebLogic, Perl, Shell, Python, Ruby, Terraform, Docker and Kubernetes.Global Atlantic Financial Group, Indianapolis, IN Oct 2017 to May 2020AWS DevOps EngineerResponsibilities: Provisioning and administering resources in AWS deployment and monitoring services: CloudFormation, CloudWatch, and CloudTrail. Improving data quality, reliability & efficiency of the individual components & the complete system Big Data. Configured AWS Identity and Access Management (IAM) Groups and Users for improved login authentication. Created four staged CI/CD pipelines with AWS Code Pipeline plugin for Jenkins, GitHub repository, Jenkins build server EC2 instance using IAM instance role, proxy, and firewall settings to allow inbound connections on server and AWS Code Deploy. Designed and deployed AWS solutions using E2C, S3, RDS, EBS, Elastic Load Balancer, Auto scaling groups &Cloud Formation. Created monitors, alarms, and notifications for EC2 hosts using Cloud Watch. Written/Developed Ruby recipes in Chef Cookbook to automate the entire deployment process as well as infrastructure admin tasks and Used Chef for Continuous Delivery, Managed CI and CD process, and delivered all applications in rpms. Built S3 buckets and managed policies for S3 buckets and used S3 bucket and Glacier for storage and backup on AWS. Created automated pipelines in AWS Code Pipeline to deploy Docker containers in AWS ECS using CloudFormation, CodeBuild, CodeDeploy, and S3 services. Design AWS CloudFormation templates to create custom-sized VPC, Subnets, and NAT for the deployment of Web apps & database templates. Involved in maintaining the reliability, availability, and performance of Amazon Elastic Compute Cloud (AmazonEC2) instances. Conduct systems design, feasibility, and cost studies and recommend cost-effective cloud solutions such as Amazon Web Services (AWS). Created deployment workflows in Jenkins. Developed REST API to process data from DB to another REST Service. Maintained databases using Python; developed Python-based API (RESTful Web Service) using Flask, SQL Alchemy, and PostgreSQL. Managed Kubernetes charts using Helm. Created reproducible builds of the Kubernetes apps, managed Kubernetes manifest files, and managed releases of Helm packages. Monitoring by creating alarms and dashboards in Splunk and CloudWatch. Resolved production issues using ticketing apps Service Now and JIRA. Administer Splunk and create, test, and deploy operational search strings. Onboarded new data into a multi-tiered Splunk environment. Monitored servers using Nagios, Data Dog, CloudWatch, and ELK Stack. Participate in 24x7 operational support and on-call rotation shifts.Environment: AWS, S3, Splunk, Rest, CloudWatch, ELK, GitHub, Jenkins, Chef, Ansible, ANT, Maven, VSTS, Shell(bash), JSON schema, Django, F5 LTM, Apache Tomcat, WebLogic, Terraform, GCP, Azure, PowerShell, Red hat LINUX, CentOS, UNIX, JIRA, Remedy.Cybage Software Private Limited, Hyderabad, India May 2015 to July 2017Build/Release EngineerResponsibilities Build Engineer for the Client s UNIX and Java applications. Set up different environments for build and Release into Development, Test, Pre-production, and Production. Designed and implemented Continuous Integration process using tools like Jenkins with approval from development and other affected teams. Designed effective planning for SCM and implemented the setup of the Environment. Installation and configuration of management tool Puppet across RHEL environment. Migrated VMware VMs to AWS and Managed Services like EC2, S3 Bucket, ELB EBS, etc. with Puppet modules/manifests. Experience in creating shared Virtual Private Cloud (VPC) with different tags in a single GCP project and using the same in all the projects and Knowledge of GKE service deployments in GCP. Wrote Puppet manifests for deploying, configuring, and managing collected for metric collection and monitoring. Defined Puppet Master and Puppet Agents to manage and configure nodes. Set up automated deployment on JBOSS and WebSphere application servers using Python and shell scripts. SVN repository Administration and Configuring, maintaining network, and troubleshooting such as DNS, and NFS. Working with LDAP, Active Directory, DNS, and VLAN technologies. Cross-function teams to design and implement new solutions, such as identity management, data leakage protection, Full Disk Encryption, endpoint, and advanced threat protection. Worked as an SCM in automating the build and deploy process through Anthill Pro and Build Forge on deploying applications in WebLogic. Build artifacts (WARs and EARs) are deployed into a Web logic app server by integrating the WLST scripts to Shell Scripts. Used Puppet to manage Web Applications, Config Files, Database, Commands, user mount Points, and packages. Setting up ANT script-based jobs in Jenkins and Working with Jenkins Pipelines. Initially Ant for writing build.xml for building Java/J2ee applications and later migrated to Maven. Defined dependencies and Plug-ins in Maven POM.xml for various activities and integrated Maven with SVN to manage and deploy project-related tags. Installed and Configured WebSphere Application server with LDAP security. Code Push and Data migration for each release to the new test environment and production. Incorporated Code Quality Tools like Junit, SonarQube, and Find Bugs using the monitoring tool JIRA. Written Perl scripts for the automation of daily support tasks. Adopted Install Shield scripts, written scripts, and used them to package builds and releases for different environments as defined in SDLC.Environment: Java, Ant, Maven, Subversion (SVN), RHEL, GCP, VM Ware, Chef, AWS, Perl Scripts, Shell Scripts, Puppet, WebLogic, WebSphere, LDAP, Jenkins, LINUX / UNIX.System AdministratorCareator Technologies Pvt Ltd Hyderabad, India Aug 2013 to April 2015Responsibilities:
Worked on installation, Configuration & Upgrade of Linux, AIX, HP-UX, and Windows operating systems.
Installed, upgraded, and configured infrastructure software (JBoss, Tomcat, MySQL, etc.)
Created environments on virtual machines to be handed over to development and QA teams. Created containers and deployed applications in JBOSS on different containers.
Executed builds and performed deployments in various environments.
Installed, configured, and maintained Apache Web Server and worked on installation of several patches and packages.
Maintained and troubleshoot switch and application network connectivity, and UNIX infrastructure, including DNS, DHCP, LAN, and TCP/IP issues, accounts, and security for all application servers.
Written Scripts for automating jobs using CRON jobs, performing deployment builds, and testing the code.
Servers monitoring of disk space, system and application errors, memory and swap space utilization, disk performance, CPU, and processes.
File system administration, create/ configure file systems LVM, RAID; troubleshoot and repair file systems, Samba, NFS, DFS, and Windows shares.
Maintaining the CPU & Memory utilization of Servers reports on the WEB.
Prepared documentation of understanding, and deployment instructions for production releases and updated company wiki with operation procedures.
Performed deployment updates to QA, Stress, Integration, and Production environments.
Experience in User and group administration, management, and archiving.
Configuring NFS, NIS, NIS+, DNS, Auto-mount, and disk space management on SUN servers.
Environment: RHEL 4/5, Windows, Red Hat LVM, Veritas, RAID, VMware, GFS, RAC Servers, AIX, Solaris, BMC Remedy.EducationBachelor of Computer Science 2009 2013Lovely Professional University, Punjab, India |
