SRE/DevOps Engineer
Envestne
Total years of experience :7 years, 0 Months
Setup and build various AWS infrastructure resources, VPC, EC2, S3, IAM, EBS, Security Groups, Auto Scaling, ELB and RDS in Cloud Formation JSON templates.
•Maintained the user accounts (IAM), RDS, Route 53, VPC, RDB, Lambda, SES, SQS, and SNS services in AWS Cloud.
•Utilized Kubernetes and Docker for runtime environment of the CI/CD system to build, test and deploy.
•Container management using Docker by writing Docker files and set up the automated build on Docker HUB, installed and configured Kubernetes.
•Worked on POC for Windows Azure migration like Creating Azure VMs, Storage accounts, Storage pools, migrating On-premise servers to AZURE and creating availability sets in Azure.
•Implemented and managed company-wide fully automate continuous integration build and deployments using Chef, Ansible, Jenkins and Octopus Deploy.
•Implemented Ansible and Chef to manage all existing servers and automate the build/configuration of new servers.
•Configured and implemented ELB, F5 Load Balancers to maintain global and local traffic across various environments.
•Utilized a combination of Terraform and Ansible to create multiple VPCs, subnets, and servers to serve multiple clients in a secure and compliant fashion.
•Build Automation and Build Pipe Development using Jenkins and Maven.
•Building/Maintaining Docker Container clusters managed by Kubernetes, Linux, Bash, GIT, Docker.
•Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test and deploy.
•Key focus on defining and implementing a monitoring strategy (metric collection, persistence, and use - building patterns for alerting and dashboarding). This includes definition of tagging standards, technology selection, integration, documentation, and automation.
•Experience in real-time monitoring and alerting of applications in AWS using Cloud Watch, Cloud Trail and SNS.
•Setup Zabbix as an infrastructure monitoring tool.
•Implemented Monitoring and logging using New Relic, DataDog, ELK Stack, Splunk.
•Migrated Legacy VMWare infrastructure to AWS Cloud using Chef, Terraform, CF templates.
•Worked on POC for Docker Data Center (DDC).
•Setup Universal Control Plane (UCP) for management and orchestration of the Docker environment and Trusted Registry (DTR) for Docker image collaboration, management and security.
•Experience with Patching and Certificate management.
•Setup Jenkins Build server and maintenance.
Environment: AWS EC2, VPC, S3, EBS, ELB, Security Groups, Auto Scaling, RDS, CloudFormation Templates, Route 53, Lambda, SES, SQS, SNS, Azure, Terraform, Chef, Ansible, Vagrant, Docker, Kubernetes, DDC, Splunk, New Relic, Datadog, GIT, BitBucket, Jenkins, Octopus Deploy, Artifactory, Maven, MSBuild, PowerShell, Bash, Python, Ruby, PagerDuty, JIRA.
Extensively worked on ansible deployments, written various ansible playbooks with multiple roles, tasks with loops, templates, service management, host variables, group variables etc.
•Created a reusable deploy distribution for the system which can be ported to multiple environments without having the need to run separate builds.
•Use of Docker and Open Shift to manage micro services.
•Automate Deployment using configuration Management tool like puppet to provision amazon AWS Instances to enable continuous Deployments.
•Involved in using Terraform and Ansible, migrate legacy and monolithic systems to GCP
•Configured Docker container for branching purposes. Virtualized the servers using the Docker for the test environments and development environment
•Designed Puppet Modules to manage configurations and automate installation process.
•Developed CI/CD system with Jenkins on Google's Kubernetes container
•Virtualized the servers using the Docker for the test environments and dev-environments needs, and configuration automation using Docker containers.
•Experience on Ansible Playbooks with Python SSH as the Wrapper to Manage Configurations of OpenStack Nodes and Test Playbooks on AWS instances using Python.
•Created Ansible Playbooks and Puppet Manifests to provision Apache Web servers, Tomcat servers, Nginx, Apache Spark and other applications.
•Experience with configuration management and automation tools (Puppet/ Docker)
•Write terraform scripts from scratch for building Dev, Staging, Prod and DR environments
•Installation and configuring Red hat Enterprise Linux 5.x/6.x, Suse Linux, CentOS and AIX servers in development test and production environments
•Helped individual teams to set up their repositories in bit bucket and maintain their code and help them setting up jobs which can make use of CI/CD environment using Jenkins.
•Wrote Java code for this project using interfaces to route packages and wrote test cases using Junit and Mockito.
•Owned and drove the design for the project Designed services and service APIs using MS Visio.
•Developing and maintaining the existing sales system includes internal and external web side, web-service, window legacy application, Web API, integration app, mobile app, data linking tool, data integration, micro services, electron framework base application…etc.
•Developed PL/SQL batch processing jobs using UNIX Shell scripting.
•Experience to install and configure Grafana dashboard for monitoring the cluster and hardware’s
•Used Zabbix as monitoring tool and used Zabbix plugin for Grafana for analysis & visualization.
•Experience in LVM and Raid management Experience in Linux system services such DNS, DHCP, NFS, Samba, LDAP, Puppet, Apache/Tomcat, GIT
•Project SW Tools included Confidential Simulation APIs, Both MS VS 2012 Visual C++ & GNU C/C++, DiSTI Open GL Studio, TrollTech/DiSTi Qt (cute), VMWare, Clear Case/Quest, Rational Rhapsody (UML+) and MS SQL Server RDBMS.
•Worked on Open stack nova and neutron for instances and network in open stack.
•Building the HV’s and adding them to the open stack cloud.
•Worked on the break-fix the servers for which having the hardware fail and addressing it them to the vendor and replace the hardware.
•Wrote SQLs to work on data.
•Experience on HTTP protocols, SSL, DNS, LDAP, GSLB, Anycast, and EMail.
•Experience on different hardware’s HP, Dell and Supermicro and break-fix them.
•Building the HV’s and Bare metal with Ubuntu and Red hat.
•Hands on experience in setup, configuration, upgrade, maintenance, performance monitoring and troubleshooting of servers running on platforms like Linux (Various Flavors especially Red hat, Ubuntu)
•Experience with container-based deployments using Docker, working with Docker images, Docker hub and Docker registries, installation and configuring Kubernetes and clustering them.
•Knowledge on Deploying Couch base, Tomcat and Elastic search clusters using Docker.
•Integrated GIT into Jenkins to automate the code check-out process
•Troubleshooted build issues during the Jenkins build process.
•Involving with different teams for trouble shoot the issue like networking team and sites
•Operationally supported systems in Open Stack Networking and security administration and
•troubleshooting. Designed, built, and deployed multitude applications utilizing Open stack focusing on high-
•availability, fault tolerance, and auto-scaling
Environment: CI, AWS Cloud, Azure, OpenStack, PowerShell, Puppet, Jenkins, Maven, Cloud watch, Cookbooks, Docker, Elastic Search, JIRA, Python, Shell, Perl, GIT, Jenkins, Cobbler, Maven, Gradle, AWSEC2, WebSphere, ANT, Putty, CONFLUENCE, Java, J2EE, SOA.
Worked on migration from physical to virtual (P2V) environment for Red Hat Linux.
•Worked on switching production to virtual from bare metal, as well as decommission and shutdown legacy physical servers.
•Worked extensively on Exception Handling, to trouble-shoot PL/SQL code.
•Worked on Recovery from failed restore, post deployment VM Setup.
•Create scripts to automate daily tasks like creating LAMP stack VPS’s, chrooted sftp, ZFS backup scripts, VPS load testing, SSL installations, ecommerce search engine index replication, apache-solar setup, MySQL replication.
•Used the UNIX for Automatic Scheduling of jobs. Involved in Unit Testing of newly created PL/SQL blocks of code.
•Create develop and test environments of different applications by provisioning Kubernetes clusters on GCP using Docker, Ansible, and Terraform
•Installed and configured Apache Webserver in a LAMP stack.
•Operationally supported systems in Open Stack Networking and security administration and troubleshooting.
•Worked on load balancers such as F5, AVI, or A10 Vantage.
•Worked on core infrastructure services including DNS/GTM, Kerberos, LDAP, and NTP.
•Migrated Control-M servers to new hardware
•Environment, utilizing Kubernetes and Docker for the runtime environment for the CI/CD system to build and test and deploy
•Worked on Databases such as My SQL, Aerospike, Mongo DB, Couchbase etc.
•Installed and configured DevOps tool Puppet and used Puppet for the automation of the workload and Created SVN and GIT repository.
•Network troubleshooting using tcpdump, netstat, dig, nslookup, curl and other commands
•Configured Puppet Configuration Management with specific client requirement such as Create user/remove user, Install /Remove packages and package updates, Configure multi nodes.
•Setup full CI/CD pipelines using Jenkins so that each commit a developer makes will go through standard process of software lifecycle and gets tested well enough before it can make it to the production.
•Worked on automating task-using Puppet. Application as wells as any upgrade to the nodes were push through puppet and cloning it to Gitlab.
•Setup static IP address for server when there is a new server build.
•Proficient in Networking and configuring TCP/IP, DNS, NFS, NIS, NIS+, SAMBA, LDAP, SSH, SSL, SFTP, SMTP, SNMP servers.
•Troubleshoot network issue from the OS standpoint using netstat, ping, traceroute, and tcpdump commands.
•Expertise in the Jenkins plugin management areas and implemented several CI / CD plugins like Open stack, build pipeline, Docker, git, Junit and pipeline plugins.
•Implemented Docker virtualization container using continuous development and testing integration of builds.
•Deployed virtual machines from templates and installed configured application in the virtual machine.
•Worked on configuration and administration of NFS, DNS, Open LDAP, DHCP, Mail Servers and Web Servers like Apache HTTP & Tomcat in heterogeneous environments
•Experienced in Writing and Updating Shell Scripts and Perl Scripts. Installed and configured new hard drives and memory upgrades.
•Responsible for Installation and configuration of Samba, Send mail & Apache web server.
•Installed patches and software upgrade recommended as per the security scan. Good Working Knowledge with Linux Kernel Configuration Load balancing techniques and DR plans.
Improve server utilization and sharing I/O resources to reduce total cost of ownership and make better use of IT assets using Power VM (Advanced Power Virtualization).
Coordinating with SAN team to create new disk volumes for ORACLE and Sybase database teams.
•Performed live migrations and consolidated the physical servers to VMware infrastructure virtual machines with shared storage across EMC clarion, Dell and Open filer SANs.
•Provide temporary and permanent sudo permissions to users depending on the job requirement and security request clearance.
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