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SRIKANTH CHANDIKA - Lead DevOps engineer

praveen.palla@3sbc.com

Location: Dallas, Texas, USA

Relocation: no , looking for remote projects

Visa: H1B

SRIKANTH CHANDIKA 409-404-0222 praveen.palla@3sbc.com Summary: 14+ years of experience as Cloud, DevOps engineer in solving complex problems with creative solutions, supporting development, deployment operations in different environments. Experienced in designing Azure and AWS cloud models for Infrastructure-as-a-Service(IaaS). Collaboration with development support teams to set up a continuous delivery environment with the use of containerization. Technical Skills: Cloud : AWS | Azure | OpenStack Platforms : Linux Infrastructure Automation : Hashicorp Terraform, Packer, Ansible, Python Configuration Management : Ansible, Ansible AWX, Chegg, Puppet. App & Web Servers : Apache Tomcat, Nginx, HTTPD/Apache CI/CD : GitLab CI/CD, GitHub Actions, Jenkins Scripting : Shell Scripting Languages : Python Workflow management : Apache Airflow Observability : AWS CloudWatch, Prometheus, Grafana Loki, NewRelic, NR APM, OpenSearch Dashboard(ElasticSearch/Kibana) Secrets management : Hashicorp Vault. Databases : PerconaXtraDB Cluster Administration, automation and scaling. Cache : Azure cache for Redis | AWS ElastiCache for Redis. ML Ops : AWS Sagemaker orchestrating via Apache Airflow Containerization : Docker, Kubernetes Virtualization : VMware ESXi, KVM used in OpenStack PROJECT EXPERIENCE: Client: Cisco, San Jose, CA May-2022 Till date Position: Engineer, DevOps Environment: Kubernetes, OpenStack, AWS, Harness CI/CD, Hashicorp Vault, Terraform, Ansible, Python, CentOS 7, Ubuntu, AlmaLinux 8 Configured networks, EKS clusters, and relational databases as a code. Developed Ansible roles to manage all existing CentOS, Ubuntu, AlmaLinux servers and automate the build/configuration of new servers. Ansible roles development for RKE2 cluster bootstrapping on CentOS &AlmaLinux Operating system. Infrastructure as code Development using Terraform with modularized approach. Deploy and Manager Rancher Control Plane to manage Kubernetes clusters on OpenStack. Automated rancher automation with terraform deployed on RKE2 Kubernetes cluster.(RKE2, also known as RKE Government, is a Kubernetes distribution that focuses on security and compliance forU.S. Federal Government entities.) Contributed Flux Blueprints to deploy helm charts to Kubernetes clusters. Implemented Grafana and Loki for Centralized monitoring and logging of Kubernetes clusters & Linux OS. Develop CI/CD pipelines using GitLab CI/CD, GitHub Actions, Jenkins. Implement & manage Hashicorp vault for securing, storing, sensitive data through rest API. Experience with Hashicorp tool suite - Terraform, Vault, Consul. Experience in AWS (EC2, EKS, IAM, RDS, S3, Lambdas, Cloud Watch, CLI, Sagemaker). Implemented workflow automation for Machine Learning Workloads using Airflow &Sagemaker. Build AWS AMI and OpenStack images using Packer with ansible provisioner. Molecule is used to test Ansible playbooks. Deployment automation of 5G Network functions like SCP, NRF, PCF, BSF, SLF along with its components. Client: SS&C Technologies, Windsor, CT Aug-2018 Apr-2022 Position: Lead Cloud - DevOps Engineer Environment: AWS, VMWare, Ansible, Chef, GitHub Actions, GitLab CI/CD, Hashicorp Vault, Terraform, Python, Kubernetes. Experience with various Azure(Virtual Machine, Cloud Services, SQL Server on Azure virtual machines, Azure cache for Redis, Azure SQL, Azure DevOps) AWS services like AWS EC2, Glue, IAM, RDS, S3, SQS, SNS, Lambdas, Cloud Watch, CLI. Involved in creating the DevOps Strategies using Azure DevOps, GitHub Actions, GitLab Pipelines, Jenkins. Manage Applications, services and packages using Ansible(Written Playbooks, Roles), Chef (Recipes, cookbooks, data bags for secrets and publish to Chef-Infra). Major contribution to GitLab GEO setup on Azure cloud using Ansible Roles. Postgresql HA Cluster &Percona High Availability Database deployments using Ansible. Develop reusable Terraform modules to provision resources in both Azure and AWS cloud. Build end-to-end Machine Learning workflow automation with Apache Airflow and Amazon SageMaker Built network in Azure Virtual Network and AWS VPC. AWS cross-account security strategies. Provisioned and maintained Hashicorp vault cluster with consul storage and transit auto-unseal. Vault is used for securing, storing, sensitive data through rest API. Exposed Virtual machines and cloud services in VNets to Internet using Azure External Load Balancer. Creating Storage Pool and Stripping of Disk for Azure Virtual Machines. Backup, Configure and Restore Azure Virtual Machine using Azure Backup. Designed Hashicorp Vault governance and usage policy for secret management. Secrets required for running application and retrieved from Vault at container's startup time and automatically renewed during application's lifecycle. Creating docker images and store in Azure Container Registry. Infrastructure Automation using Packer, Terraform with Ansible provisioner. Developed Hashicorp Vault Library with Go Language to communicate with Hashicorp Vault API to get, update and read secrets. Installed and used Chef Server on premise, workstation and bootstrapped nodes using knife and Used as configuration management by writing Chef Recipes and Cookbooks. Created Docker Images to use in GitLab CI/CD and GitHub Actions Building, packaging, VM templating and deploying applications to servers. Deploy microservices to Kubernetes cluster with Helm package manager. Implemented log aggregation in Kubernetes cluster with FluentD and ElasticSearch/Kibana cluster configured in Linux servers on Azure Virtual Machine. Implemented Prometheus, Grafana and Pagerduty integration with Grafana dashboards and alerts. Prepare, Plan, Validate & Document periodic applications upgrades like GitLab, GitHub, SonarQube, Jfrog. Prepare, Plan, Validate & Document Cloud services upgrades. Example: Upgrading or apply patches to Database engines, SSL Certificate renewals. Client: AT&T, Plano, TX March-2016 Jul-2018 Position: Senior Development Engineer Environment: Ansible, Puppet, OpenStack, Kubernetes, Python, Terraform, ELK Stack, Azure as DR. Worked for AT&T in implementing DevOps & Cloud Automation. Experience working directly with multiple Development teams and enforcing build and deploy processes. Configuring application and monitoring using Ansible configuration management. Developed Ansible roles to manage all existing servers and automate the build/configuration of new servers. Installed and configured required Monitoring agents in Linux servers using Ansible. OpenStack Installation and configure Kilo, Mitaka HA on Ubuntu, RHEL and CentOS platforms using Ansible. Managing infrastructure with automation and orchestration tools such as Terraform. Work Experience On installing Kubernetes and Docker & Deploying Applications on Kubernetes cluster. Create cronjobs in Linux servers to scheduled jobs. Worked on Tools like ELK(ElasticSearch, Logstash, Kibana and FileBeat), EMK(ElasticSearch, MetricBeat, Kibana) and Nagios. Client: Huetint Media Solutions Pvt. Ltd, Hyderabad, India Nov-2013 Feb-2016 Position: Sr. System Administrator Environment: AWS, VMware ESXi, Ansible, Python, Nagios, Linux, Windows. Good experience with Ansible and Jenkins CI/CD tool. Installation and configuration of web servers in Linux and Windows IIS servers. VMware ESXi host management. Migrating virtual machines from VMware to AWS Cloud. Webservers: Applied redirection rules in Apache/httpd based on redirection conditions provided by developers. Systems administration, maintenance and monitoring various day-to-day operations and compliance of all UNIX servers globally Migrated applications from internal datacenter to AWS cloud. Setting up monitoring and alerting for Linux and application servers using Nagios and Nagios agent. Client: Magic N Colors Pvt. Ltd, Hyderabad, India Jul-2010 Oct 2013 Position: System Administrator Environment: VMware ESXi, Windows and Linux Operating System. VMWare Administration, ESXi, vSphere. Windows 2000 Server; Windows Server 2003; Windows Server 2008; VMware Server and ESXi server. MIGRATION: Windows server 2003 to Windows server 2008, Windows XP to Windows7, Linux. Managed and administered Windows/Linux systems Performed periodic maintenance, provided technical support and executed systems engineering. Installed and configured an Active Directory Domain Controller. Established external trusts and cross-forest trusts. LAN Administration: added users; printers; removed users; controlling access right list. Responsible for creating, testing PC images using Image Centre and Ghost. Backup administration. Installing and configuration of TMW-FBS-8 ( Trend Micro Worry-Free Business Security) server. Monitoring UN-Attended or Unauthorized access to the clients. Update LUA(Live update server)and push to client machines. Firewall installation, configuration and maintaining. Creating Rule and zones. Education and Certification: Bachelor of Science EX210 Red Hat Certified System Administrator in Red Hat OpenStack EX300 Red Hat Certified Engineer EX200 Red Hat Certified System Administrator Validation ID: 150-150-274 Validation at: https://rhtapps.redhat.com/verify certId= AWS Certified SysOps Administrator - Associate (SOA) [Expired Date: Nov 15, 2020] - Validation Number: ZZ831QCCCBFEQ15F, Validate at: https://aws.amazon.com/verification Keywords: cprogramm continuous integration continuous deployment machine learning sthree golang fiveg California Connecticut Idaho Texas