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Chakradhar Nakka - Sr. DevOps Engineer

[email protected]

Location: Houston, Texas, USA

Relocation: Yes, Comfortable to relocate

Visa: H1B

CHAKRADHAR YADAV SR. DEVOPS CLOUD ENGINEER EMAIL: [email protected] PHONE: +1 713-244-8355 Professional Summary: Around 9 years of IT Professional Experience as Cloud/DevOps Engineer with major focus on Microsoft Azure, AWS, GCP, Open Stack, Continuous Integration, Continuous Deployment, Configuration Management, Build/release on each packaging Quality Control and which also includes Trouble shooting and performance issues. Expertise in Microsoft Azure services such as Virtual Networks, Virtual Machines, Blob storage, Data Factory, Cloud Services, Resource Groups, Express Route, Traffic Manager, VPN, Load Balancing, Application Gateways, Auto-Scaling, deploying Web Apps, monitoring by Application Insights and creating Web-Jobs. Ardent acquaintance on working with Azure compute services, Azure Web apps, Azure Data Factory & Storage, Azure Resource Manager (ARM), Azure Identity & Access Management, Azure AD, Azure SQL/Cosmos DB, Azure Multi-Factor Authentic. Hands on experience in Azure Cloud services, Azure Storage, Azure Active Directory and Azure Service Bus. Managing Client's Microsoft Azure based PaaS and IAAS environment. Strong Windows Azure experience in a .NET stack of technologies, proficient in Windows Azure deployments, incident management, production support for Azure components, IIS/SQL server, IT administration and maintenance, Project Management, PowerShell scripting, live site incident management. Expertise on AWS Cloud-Specific services which include EC2, VPC, IAM, RDS, ELB, EMR, ECS, Autoscaling, S3, Cloud Front, Glacier, Elastic Beanstalk, Lambda, Elastic Cache, Route53, Ops Works, Cloud Watch, Cloud Formation, RedShift, DynamoDB, SNS, SQS, SES. Profound Experience in setting up databases in using AWS, RDS, DynamoDB, Oracle, MySQL, storage using S3 bucket and configuring instance backups to S3 bucket along with creating and managing AWS IAM role and Policy and User and Active directory, Inbound and Outbound rules. Knowledge on SaaS, PaaS and IaaS concepts of cloud computing architecture and Implementation using AWS, OpenStack, OpenShift, Pivotal Cloud Foundry (PCF) and Azure. Experienced in Setup Splunk and developed multiple reports, alerts and dashboards that actively monitor all the systems. Designed Splunk Architecture, Queries and created Applications on Splunk to analyze Data. Unique experience with Pivotal Cloud Foundry (PCF) architecture and design, troubleshooting issues with platform components, and developing global/multi-regional deployment models and patterns for large scale developments/deployments on Cloud Foundry and AWS. Managed and Configured environments DEV, QA, UAT and PROD on Pivotal Cloud Foundry and OpenStack for various releases and designed instance strategies. Experienced in both Cloud Formation and framework to automate AWS environment creation along with the ability to deployment on AWS, using build scripts (Boto3 and AWS CLI) and automate solutions using Python and Shell. Expertise in Shell, Bash, Python, Ruby and Perl Scripting languages. Configured and managed Elastic Load Balancing (ELB) to implement fault tolerance and avoid single point of failure of applications, thus providing high reliability and efficient usage and Auto Scaling which allows for automated Scalability and Disaster Recovery. Designed AWS Cloud Formation templates to create custom sized VPC, to setup IAM policies for users, subnets, NAT to ensure successful deployment of Web applications, database templates and Security groups. Experience with PCF Blob store for storing and managing Application code packages & Build packs and used PCF CLI for deploying applications and other CF management activities. Expertise in building Private Cloud Infrastructure of OpenStack and deployed Nagios to monitor and alert the health checks for Nova, Neutron, Keystone, Swift, Glance. Hands-on in using OpenShift for container orchestration with Kubernetes, container storage, automation, to enhance container platform multi-tenancy. Experience with PCF, OpenShift, Kubernetes architecture and design, troubleshooting issues and multi-regional deployment models and patterns for large-scale applications. Provisioning highly available EC2 Instances using Terraform and Cloud Formation Templets, added new plugins to support new functionality in Terraform and involved in using Terraform for migrate legacy and monolithic systems to amazon web services Expertise in setting up CI/CD using Bamboo with the Artifactory repository (Nexus, JFrog Artifactory s) and resolved update, merge & password authentication issues in Bamboo & JIRA. Expertise in using Chef with knife commands to manage nodes, Cookbooks, Chef open source, Chef recipes, Chef attributes, Chef Templates, run-lists in AWS cloud environment. Vigorously worked on Ansible playbooks, inventories, created custom playbooks written in YAML language, encrypted the data using Ansible Vault and maintained role-based access control by using Ansible Tower. Created Ansible supported YAML Scripts to restart JBoss, Tomcat and Jetty servers through GUI. Experienced working on several Docker components like Docker images, containers, Docker-Hub, Docker Registry as well as familiar with advanced technologies like Docker Compose, Docker Swarm and Docker Weave. Experience in Vagrant and Docker based container deployments to create self-environments for dev teams and managed the clusters using Kubernetes. Evaluated Kubernetes for Docker Container Orchestration. Knowledge on various Puppet components like manifests, modules, resource, mCollective Factor, Catalogs and rewrote many Puppet modules to modern code-quality standards. Profusely worked on Version control tools like Subversion, GIT, clear case to track changes made by different people in source code and configured GIT with Jenkins and schedule jobs using POLL SCM. Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins, Hudson and Bamboo along with Shell (Unix) and Python Scripts to automate routine Jobs. Set up and managed ELK (Elastic Search, Log Stash & Kibana) Stack to collect, search and analyze logfiles across servers, log monitoring and created geo-mapping visualizations using Kibana in integration with AWS Cloud watch and Lambda. Skilled in monitoring servers using Nagios, Splunk, Dynatrace, Datadog, New Relic, ELK (Elasticsearch, Logstash, Kibana), Prometheus, Cloud Watch and Zabbix for Resource Monitoring, Network Monitoring and Log Trace Monitoring. Experience in using ELK (Elastic Search, Log Stash, and Kibana) stack for network and server monitoring, storing the logs and visualizing them using Nginx. Worked on creating the Modules driven AWS Infrastructure with Terraform. Created Infrastructure Git repositories for Terraform to launch the stacks. Extensively experienced in using build automation tools like Maven and ANT for the building of deployable artifacts such as jar, war and ear from source code to write Pom.xml and Build.xml respectively. Experience in Issue Tracking tools JIRA, Remedy, Service Now. Involved in JIRA as defect tracking system and configure various workflows, customizations and plugins for JIRA bug/issue tracker, integrated Jenkins with JIRA, GitHub. Expertise in installation, configuration and management of relational databases such as Oracle, MySQL, MS SQL Server and PostgreSQL. Excellent knowledge in working with NOSQL databases like MongoDB, DynamoDB and Cassandra. Administered various flavors of Linux (RHEL, CentOS, Solaris, Ubuntu, Fedora) and worked on Logical Volume Manager (LVM), Veritas Volume Manager, Kickstart, Bonding, LAMP and LDAP. Technical Skills: ________________________________________ Cloud Platform: Amazon Web Services, Azure, OpenStack, PCF and Google Cloud Platform. Application Servers: Web Logic Application Server 9.x, 10.x, Apache Tomcat 2.0.x, JBOSS 4.x/5.x, Red Hat, WebSphere 6.x/7.x/8.x Automation Tools: Puppet, Chef, Docker, Ansible, Jenkins, Kickstart, Jumpstart, Terraform, Kubernetes. Virtualization: VMware Client, Windows Hyper-V, vSphere 5.x, Datacentre Virtualization, Virtual Box, KVM, Power VM Volume Manager: Logical Volume Manager, VERITAS Volume Manager, Solaris Volume Manager Version Control Tool: Git, SVN, Bitbucket, CVS. Database Technologies: Oracle, SQL Server, MySQL, NoSQL, MongoDB, Cassandra, DynamoDB, Couchbase. Scripting: Perl, Python, Ruby, Bourne, Korn and Bash Shell scripting, PowerShell, YAML format, JSON format. Monitoring tools: Splunk, Nagios, ELK, App dynamic, Cacti, sentry, Datadog, Grafana Networking Protocol: TCP/IP, NIS, NFS, DNS, DHCP, SMTP, FTP/SFTP, HTTP/HTTPS, NDS, Cisco Routers/Switches, WAN, LAN Operating Systems: Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Red Hat Linux 4/5/6/7, Windows servers [2003, 2008, 2008 R2, 2012, 2012R2], Windows 2000, XP, Windows 7, Ubuntu 12/13/14, Solaris 11/10/9/8. Methodology V-model, Agile Scrum and Kanban Professional Experience: ________________________________________ Equifax, Atlanta, GA. April 2021 - Present Role: Sr. DevOps/Cloud Engineer Responsibilities: Worked on Azure AD connect to sync on-premise user Data, Groups and organizations to Azure AD and troubleshoot Azure services sync with on premise AD and resync using various Azure tools like Azure Cache, Azure ACS Storage, Data Factory, Data Lake, Multi Factor Authentication, AZURE VPN-Point to Site, AZURE Custom security, Endpoint security and firewall. Created, Configured and Managed a cluster of VMs that are preconfigured to run containerized applications using Azure container services and worked on Azure Web Roles, Worker Roles, SQL Azure, Azure Storage, Azure Virtual Networks, subnets, network settings and Azure AD Licenses. Implementing and managing global intranet project using Scrum (Agile framework), Office 365, Microsoft Azure, Hybrid Active Directory, CSOM, PowerShell and SharePoint Infrastructure Management tools. Automated VSTS (Visual Studio Team Services) build and deployment to IAAS and PAAS environment in Azure and developed build support utilities in PowerShell and Go lang. Integrated TFS with third party tools like Octopus Deploy for release process. Designed and Implemented Disaster Recovery Scenario and migrated the workloads from On-Premise to Azure and built data sync jobs on Windows Azure to synchronize the data from SQL 2012 databases to SQL Azure. Worked on Terraform to automate the deployment process onto Azure and created development, test, and production environments for the necessary software development project. Experience in deploying the Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using build pack and Jenkins for continuous integration, Deployments in Pivotal Cloud Foundry (PCF) and binding of Services in Cloud and Installed Pivotal Cloud Foundry (PCF) on Azure to manage the containers created by PCF. Integrated Splunk with Azure deployment using Ansible to collect data from all VM Systems into Splunk where it has enabled minimal sharing of private keys on Azure infrastructure across application teams since they no longer had to rely on direct logging to systems. Expertise in establishing a local dev workflow that centered around Minikube to validate deployments in Kubernetes. Created REST API to store, update, read & delete bucket information on Console using Kubernetes Interfaces. Involved in setting up Kubernetes (k8s) to cluster & orchestrate Docker containers for running microservices by creating Pods. Took several microservices into production with Kubernetes backed Infrastructure. Configured Kubernetes Replication controllers to allow multiple pods such as Jenkins master server in multiple minions. Managed Kubernetes charts using Helm, managed Kubernetes manifest files and created reproducible builds of the Kubernetes application. Worked with Spinnaker for Continuous Deployment with Kubernetes and used OpenShift for container orchestration with Kubernetes, Container Storage, automation, to enhance container platform multi-tenancy. Designed strategies for optimizing all aspect of the continuous integration, release and deployment process using container and virtualization techniques like Docker and Kubernetes. Built Docker containers using Microservices project and deploy to Dev. Created several Pods and services using Master and Minion architecture of Kubernetes and developed microservice onboarding tools leveraging Python allowing for easy creation and maintenance of Build Jobs and Kubernetes deploy and services. Created Docker images using a docker file, worked on Docker Container snapshots, removing images and managing Docker volumes. Expertise in setting up Docker Host, Docker Registry, RHEL/ Centos Atomic Host. Handled multiple images for middleware installations and domain configurations. Virtualized the servers using the Docker for the test environments and dev-environments needs, also configuration automation using Docker containers. Used cloud automation tools such as Ansible and Terraform to research, develop, maintain, scale and grow hybrid application environments. Remote server management and deployment exposure in Ansible. Created Ansible playbook files for windows server builds, configuration, and application installation. And wrote Ansible playbooks, inventories, created custom playbooks written in YAML language, encrypted the data using Ansible Vault and maintained role-based access control by using Ansible Tower. Created playbooks for deployments and bug fixes with Ansible. Deployed and tested playbooks in Docker containers before pushing changes in Git. Used Ansible Playbooks to manage Web applications, environment configuration files, Users, Mount points, and Packages. Customized Ansible modules for finding facts about Azure Monitor alarms and taking actions to manage those alarms during deployments. Developed PowerShell scripts to automate the project creation, setting permissions for users, groups in TFS. Developed automation scripting in PowerShell using Ansible to deploy & manage Java .Net applications across Linux/Windows servers. Extensively worked on Jenkins by installing, configuring and maintaining the purpose of Continuous Integration (CI) and End-to-End automation for all build and deployments implementing CI/CD for database using Jenkins. Good at Installation and Configuration of Nexus repository manager for sharing the artifacts within the company and efficient in using Nexus and Artifact Repository managers for Maven builds. 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. Updated MongoDB profile to address the startup warnings and to restore the logging support in MySQL/Mongo profile by performing some operational routines and security measures as well. Environment: Azure, Azure AD, Azure SQL, Azure Network, PCF, ARM, Kubernetes, Docker, Ansible, Jenkins, Maven, GIT, Terraform, PowerShell script, Python script, Java script, Perl, Ruby, Nagios, Elasticsearch, Splunk, Jira, Linux, MongoDB, Nginx, JIRA, Visual Studio, SQL server. ________________________________________ TELUS, Atlanta, USA. Aug 2020 April 2021 Role: Cloud/DevOps Engineer Responsibilities: Involved in Architect, build and maintain Highly Available secure multi-zone AWS Cloud infrastructure utilizing Chef and Ansible with AWS Cloud Formation and Jenkins for continuous integration. Maintained roles and groups using AWS Identity Access Management (IAM), also maintained user accounts, RDS, Route 53, VPC, RDB, Dynamo DB, Code Commit, SES, SQS & SNS services in AWS. Used Cloud watch for monitor resources. Managed data warehouse using Amazon RedShift to analyze all data using SQL & existing business intelligence tools. Converted existing AWS infrastructure to serverless architecture (AWS Lambda, Kinesis) deployed via Terraform & AWS Cloud formation. Integrated AWS Dynamo DB using AWS lambda to store the values the items and backup the Dynamo DB streams and implemented Terraform modules for deployment of applications across multiple cloud providers. Written Cloud Formation Templates (CFT) in JSON and YAML forgo lmat to build the AWS services with the paradigm of Infrastructure as a Code, and created custom sized VPC, subnets, NAT to ensure successful deployment of Web applications and database templates. Manage AWS EC2 instances utilizing Auto Scaling, Elastic Load Balancing and Glacier for our QA and UAT environments as well as infrastructure servers for GIT and Chef. Identified interfaces and implemented NFV based solutions on OpenStack Cloud. Handled OpenStack Python APIs used to interact with NFV interface. Designed and implemented OpenStack and NFV/SDN frameworks. Experience in administration and troubleshooting of OpenStack. Experience in setting up and managing ELK (Elastic Search, Log Stash, Kibana) Stack to collect, search and analyze logfiles across servers, log monitoring and created geo-mapping visualizations using Kibana in integration with AWS CloudWatch and Lambda. Worked on Nagios and ELK for server monitoring, also used Net Scalar and monitoring tools like Nagios for Load Balancing and Controlling Flow of Traffic. Experienced working with Ansible tower. Integrating Ansible tower with Jenkins to deploy code to different servers. Played a key role in converting 200+ existing Jenkins Jobs into the new pipeline process. Prepared document on the process of migrating Jenkins Jobs from development environment to production server. Deployed & configured Chef server & Chef solo including bootstrapping of client nodes for provisioning; Managed & configured hundreds of servers using Chef. Written several Chef Cookbooks & Recipes with Ruby scripting to automate the installation of WebLogic domain & JDK & customized Recipes from Chef Supermarket to align. Created Docker Swarm using Docker CLI to Orchestrate, schedule and deploy the services to Swarm and managed the behavior and created virtual networks to connect Docker Containers across multiple hosts using Docker weave. Created additional Docker Slave Nodes for Jenkins using custom Docker Images and pulled them to Cloud. Worked on all major components of Docker like Docker Daemon, Hub, Images, Registry, Swarm. Managed artifacts generated by Jenkins & configured jobs with the Maven for various deployments of .Net enterprise applications in Agile environment, automated solutions using Python & managed JFrog Artifacts in SonarQube NEXUS repository. Migration of the Source Code from TFS to GIT-HUB, Responsible for design and maintenance of the GIT Repositories, views, access control strategies Used sub modules in GIT and trained the new users on working with sub modules in GIT. Configured and deployed Bitnami ELK stack on Azure, worked on Installing plugins and troubleshooting HTTPS support with SSL certificates. Experienced in writing Python scripts that can calculate the performance parameters in Linux environments. Implementation and automation of Shell and Python scripts for release and Build Automation. Created Shell and Python Scripts to automate creation of AMI s through Preboot and Bootstrapping techniques. Developed automated processes that run daily to check disk usage and perform cleanup of file systems on LINUX environments using shell scripting. Managed Active Directory Services, created service accounts and monitored Windows event logs to identify issues and troubleshoot. Configured & administered LDAP, NFS & NIS in Linux & implemented Samba for sharing of resources between Linux & Windows environment. Wrote Terraform modules to setup a Kubernetes cluster for entire GCP cloud Infrastructure to help support the Ping ID application migration from on-prem to GKE environment. Developed best practice to manage Infrastructure as code IAC using Terraform. Created CI/CD pipelines using Spinnaker for GCP to deploy Ping ID application in both Staging and Production GKE Environment. Created multi regional Kubernetes Cluster deployment pipeline, leveraging Jenkins and GCP Cloud build. Environment: AWS (EC2, EBS, S3, VPC, Code Deploy, Code Commit, Elastic search, Lambda, API Gateway, Route53 (DNS), ECS, CloudFormation, RDS, Dynamo DB, SNS, SES, SQS, IAM, RedShift, Ops Works), Maven, Chef, Ansible, Docker, Kubernetes, OpenStack (kilo/ Juno), Jenkins, GIT, Bit-Bucket, ELK, Python, Jira, Terraform, GCP, Cloud Build, Spinnaker, GKE, Google Cloud Deploy, Artifact Repository. ________________________________________ Venmo/PayPal, NY, USA. Nov2018 Aug 2020 Role: Site Reliability Engineer Responsibilities: Designed highly available, cost effective and fault tolerant systems using multiple EC2 instances, Auto Scaling, Elastic Load Balancer and AMIs. Created S3 buckets and managed policies for S3 buckets and Utilized S3 bucket and Glacier for Archival storage and backup on AWS. Tested Chef Cookbook modifications on cloud instances in AWS and using Test Kitchen and Chef Spec and used Ohai to collect attributes on node. Worked on Chef DK which takes of care creating cookbooks and recipes. Developed cookbooks using Chef for Deploying services on Hybrid Environments, both Windows and Linux. Managed Ubuntu Linux and Windows virtual servers on AWS EC2 using Open-Source Chef Server. Involved in setting up Chef Server, Chef Workstations and Chef Nodes. Developed Chef Cookbooks for Tomcat, MySQL, windows applications and versioned them on GIT repositories and Chef Server. Worked on building infrastructure using Puppet automation and install SSL certs through secure https port on Red hat Linux servers. Managed central repositories. Implemented Atlassian Stash along with GIT to host GIT central repositories for source code across products & login audits for Security Compliance. Performed code line GIT pushes (releases) to production and customer servers and developed and improved GIT push scripts. Maintained build related scripts developed in ANT, Python and shell modified build configuration files including Ant's build.xml. Support the applications on Java, build and deploy Java/J2EE applications using ANT and trouble shoot the issues. Implemented a CI/CD (Continuous Integration /Continuous Delivery) framework using Bamboo, Maven &Nexus in Linux environment and Integration of Maven, Nexus, Bamboo, Bitbucket, Confluence, Jira and Cloud Foundry. Extensively worked on Jenkins by installing, configuring and maintaining for continuous integration (CI) and for End to End automation for all build and deployments. Knowledge on creating jobs, pipelines in Jenkins also worked with different Jenkins plugins to integrate with different services/tools. Developed Shell Scripts and Perl for automation of the build and release process. Developed custom solutions in C# and PowerShell to validate availability, consistency, and compliance with environments. Good hands-on experience in using build tools like MAVEN for the building of deployable Artifacts such as War & Jar from Source Code. Responsible for Reliability, Scalability while solving complex systems problems on the diverse and highly distributed cloud microservice architecture focusing on automation. Working on Multi-region micro-service architecture running on Kubernetes Cluster within the AWS Stack. Implementing Incident Management and SLA, SLO based monitoring and alerting configurations while administrating monitoring resources including Datadog for Infrastructure and Database monitoring, New Relic and Grafana for Application and Endpoint visualization and alerting, Sumo Logic and ELK for log collection. Involved in build and maintain Highly Available secure multi-zone AWS Cloud infrastructure utilizing Ansible with AWS Cloud Formation/Terraform and Jenkins for continuous integration. Maintained roles and groups using AWS Identity Access Management (IAM), also maintained user accounts, RDS, Route 53, VPC, RDB, Dynamo DB, Code Commit, SES, SQS & SNS services in AWS. Used Cloud watch for monitor resources. Worked on Building/Maintaining docker containers managed by Kubernetes and deployed Kubernetes applications using Helm Charts. Working with functional teams to improve alerting and monitoring by setting up integration to both PagerDuty Event API, creating custom webhooks to create JIRA tickets and Incident Reports and setting up PagerDuty to Slack integrations Experience with RHEL Linux systems, virtualization in a large-scale environment, experience with Linux Containers. Created and Cloned Linux VM s, Templates using VMware vSphere Client and migrating servers between Esxi Hosts. Environment: AWS, Chef, Puppet, Zabbix, Nexus, ANT, MAVEN, Splunk, Confluence, Bit Bucket, GIT, JIRA, Python, Perl, SSH, JBoss, JAVA/J2EE, Mongo DB, My SQL, Apache, Red Hat Enterprise Linux, LAMP stack, Kickstart. ________________________________________ DXC Technology, Plano, TX. Mar2018 Nov 2018 Role: Build and Release Engineer Responsibilities: Setting up the automation environment for Application team if necessary and help them through the process of build and release automation and automated deployments across all environments using Udeploy and Bamboo. Supporting the application team in making them analyze about the automation implementation and other related issues. Co-ordinating with QA/DEV/Project/Delivery/Production support/Managers and Performance teams to look in concerns, issues and addressing those aspects to meet the delivery dates. Proposed and implemented Several Release Processes to achieve consistent results and stabilities across environments. Experienced in setting up Continuous Integration environment using Bamboo and used the continuous integration tool Bamboo to automate the daily processes. Working on Deployment procedures using middleware like Web sphere, creating deploy Scripts and setting for the Production Release. Monitoring applications health through dashboard. Maintained Nexus administration tasks. Communicating with the Application team and making them understand about the automation tool and its features. Configured Puppet to perform automated deployments. Expert in User Management and Plugin Management for Puppet. Drove releases, automated release process. Developed unit and functional tests in Python and Java. Coordinate release activities with Project Management, QA, Release Management and Web Development teams to ensure a smooth and trouble-free roll out of releases. Used ANT and MAVEN as build tools on Java projects for development of build artifacts on the source code. Performed all necessary day-to-day Subversion/GIT support for different projects. Worked with QA to facilitate verification of releases and was involved in running multiple builds at a time. Involved in the functional usage and deployment of applications in WebLogic, WebSphere and Apache Tomcat Server. Environment: GIT, SVN, Ant, MAVEN, Clear, Linux, Perl Scripting, Python, Puppet, Jenkins, Subversion, Bamboo, Agile, Shell scripting, JBOSS, Nexus, Windows, UNIX, WebLogic, JIRA. ________________________________________ Valparaiso University, Indiana, USA Jan 2017 Dec 2017 Role: Sr. System Administrator Responsibilities: Responsible for installation, configuration of Red Hat Enterprise Linux 4.x/5.x at other data center over the network. Experienced in System Builds, Server Builds, Install, Upgrades, Backup, Performance Monitoring, reliability of various flavors of Linux like Ubuntu, CentOS, RedHat Linux, Debian, Fedora and SUSE, UNIX (Solaris, IBMAIX) along with Windows. Monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH) and host resources (processor load, disk usage, system logs) on a majority of network operating systems like UNIX, Linux and Windows using Nagios. Package and patch management on Sun-Solaris Servers by using The Solaris Patch Manager Tool and Sun Patch Check to obtain a listing of available patches. Troubleshooting Linux system, security related issues, capturing packets using tools such as IP tables, Firewall. Package Management, setting up Repositories, applying patches using YUM and RPM. Assigned Jira to track the activities of tasks done by the developers and Confluence for documentation purpose. Environment: Linux, Ubuntu, RedHat, CentOS, Fedora, Debian, SUSE, VMWare, Solaris, WebLogic, WebSphere, JBoss, Tomcat, Unix, DNS, DHCP, Active Directory, LDAP, Windows, RAID, LAMP, SSH, telnet, Python, PHP, Shell, Nagios, SMTP, HTTP, FTP, Jira, Confluence, Vagrant. Cyient, Hyderabad, India. march 2014 Dec 2015 Role: Linux Administrator. Responsibilities: Provided 24x7 System Administration support for 300+ Red Hat Linux 3.x, 4.x servers and resolved trouble tickets on shift rotation basis. Installation, configuration, and administration of Red Hat Linux servers and support for Servers. Linux kernel, Memory upgrades, and Swaps Area. Red hat Linux Kickstart Installation. Experience in implementing and configuring network services such as HTTP, DHCP, and TFTP. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers. Built ESXi hosts using multiple technologies including HPSA, VUM, Host Profiles, and Power CLI scripts Performed routine maintenance on VMware environment such as vCenter upgrades, firmware upgrades, Patching. Troubleshooting Linux network, security-related issues, capturing packets using tools such as IP tables, firewall, and TCP wrapper and NMAP. Troubleshooting Backup and Restore Problems Creation of LVMs on SAN using Linux utilities Environment: Linux Red Hat 3.x/4.x, RHEL 3/4/5, Solaris 9/10, Bash/shell, WebSphere 6.x/7.x/8.x, DHCP, NFS, Apache, DNS, VMware, DNS, NIS, NFS, Apache Tomcat. ________________________________________ CERTIFICATIONS: AWS Certified Developer Associate. Chef Fluency Badge. ________________________________________ EDUCATION: Masters Information Technology Management (Valparaiso University, IN, USA) Bachelors in Business Management (Kakatiya University, India) Keywords: csharp continuous integration continuous deployment quality analyst sthree database active directory information technology golang microsoft Colorado Georgia Idaho New York Texas