Chandra sekhar velivolu
Around 6 Years of experience as DevOps/Agile operations, Build/Release Management, Change/Incident Management and Cloud Management.
Proficient in AWS services like VPC, EC2, S3, ELB, EBS, RDS, Redshift, IAM, CloudFormation, Route 53, ACM (Amazon Certificate Manager), CloudWatch, CloudTrail, SNS.
Reduced management complexity without restricting control by using Elastic Beanstalk.
Implemented, supported and maintained all network, firewall, storage, load balancers, operating systems, and software in Amazon's Elastic Compute Cloud.
Perform system monitoring and maintain Logs using Cloud Watch.
Expertise's in secure-cloud configuration, CloudTrail, cloud-security technologies (VPC, Security Groups) and cloud-permission systems (IAM).
Configuration Management and source code repository management using tools like GIT, SVN.
Create and Configured the CI/CD pipeline for deploying Micro-Services and Lambda functions using Jenkins.
Used various plug-ins to extend the base functionality of JENKINS to deploy, integrate tests and display reports.
Expertise's in using build tools like MAVEN for the building of deployable artifacts such as war & ear from source code.
Strong ability to troubleshoot any issues generated while building, deploying and in production support.
Used Jenkins as a continuous integration tool for configuring to build and deploy automatically of daily process.
Implemented the setup for Master slave architecture to improve the Performance of Jenkins.
Analyze and resolve conflicts related to merging of source code for GIT, Stash.
Configure and install servers with different environment such as Windows, Linux, Cent OS, Ubuntu.
Experience working on several DOCKER components like Docker Engine, Hub, Machine, Compose and Docker Registry.
Expertise in deploying applications on to Application servers such as Apache Tomcat, Web Sphere and Nginx.
Experience in Installing, upgrading and configuring RedHat Linux 5.x, 6.x, 7.x using Kickstart Servers and Interactive Installation.
Have experience on the upgrading process of Rails applications from older versions 2.x to later released version such as 3.x/4.x.
Automate Deployment using configuration Management tool like puppet to provision amazon AWS Instances to enable continuous Deployments.
Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
Configuration of Network bonding which include Active/Standby and Active/Active.
Setup puppet master and use puppet to directly deploy to the servers in staging and DR environment.
Setup puppet dashboard and also ensure that puppet master can communicate to puppet client.
Involved in supporting Apache, Apache Tomcat and generated SSL keys for renewing SSL certs on web servers.
Monitored server and application performance & tuning via various stat commands (vmstat, nfsstat, iostatetc) and tuned I/O, memory, etc.
Team player with good management, analytical, communication and interpersonal skills
Intuit, Woodland Hills, CA July 2017- Till date
SRE/App-Ops/Production support (L4)
Deployed infrastructure on AWS utilizing as EC2 (Virtual Servers in the Cloud), RDS (Managed Relational Database Service), VPC and Managed Network and Security, Route 53, Direct Connect, IAM, Cloud Formation, AWS Ropeworks (Automate operations), AWS S3, Glacier (Storage in the cloud) and Cloud Watch Monitoring Management
Hands on experience with IAM to set up user roles with corresponding user and group policies using JSON and add project users to the AWS account with multi factor authentication enabled and least privilege permissions.
Experience with EC2, Cloud Watch, Elastic Load Balancing and managing securities on AWS.
Tracked key metrics on the availability, operational efficiency and performance of services and servers through analysis, reporting and dashboard creations.
Setting up monitoring tools like App-Dynamics to monitor the JVM level logs and improve the performance of the application
Standardize and maintain internal technical documentation (e.g. Wiki, run-books) and improve
technical situational awareness (i.e. implement and monitoring of key metrics)
Provide support for high priority production issues escalated from the Network Operation
Center. Provide analysis and identify cause of issues and work directly with Engineering and
Infrastructure teams to resolve the problem.
Supervised the production releases and certified them to follow the best policies and procedures laid down by the organization both under the Agile and ITIL methodologies, thereby reducing the prospect of multiple unwarranted deployments.
Responsible for providing technical support service as part of a 24 X 7 Network Operations
Center and Incident Management team to customers
Manage incident situations that are escalated out of a Level 1 to level 4 Incident management includes problem assessment, resolution task management, resource coordination, service level tracking and outbound communication during the resolution process.
Deploying and Testing Java Webservices.
Developed Java webservice for creating dashboard to check all the Drools artifacts
Provided support to developers and internal teams
Managed the Pull-requests and resolve the conflicts during the ode check-in
Setup Docker on Linux and configured Jenkins to run under Docker host.
Experience in Administration/Maintenance of Version control systems SVN, GIT.
Experience in installing and administrating CI/CD tools like Jenkins.
Experience in all phases of software development lifecycle such as analysis, planning, developing, testing, implementing and post-production analysis of the projects.
Excellent understanding of SDLC methodologies like Agile, Waterfall and SCRUM.
Expertise in creating Devops strategy in a mix environment of Linux (RHEL, CENTOS) servers along with Amazon Web Services.
In-depth experience with Amazon AWS Cloud Services, (EC2, S3, EBS, ELB, Cloud Watch, Elastic IP, RDS, SNS, SQS, Glacier, IAM, VPC, Cloud Formation) and managing security groups on AWS.
RPM and YUM package installations, patch and other server management.
Delta airlines,Atlanta GA FEB/2016 – JULY/2017
Role: Devops Engineer
Managed daily deployments using Jenkins and created jenkin jobs to automate day to day activities Installation, configuration and upgrade of Apache, Oracle & IBM Databases on the RHEL Systems manually and also through Puppet.
Merge changes through SDLC pipeline Jenkins and GO for continuous integration
Participate in daily scrum calls and take ownership of issues.
Performed the automation using configuration management tool – puppet and managed the infrastructure environment.
Creating puppet deployment environment and creating puppet manifest.
Register puppet as a solution instance and importing puppet classes and services.
Working with configuration management tools like puppet to implement/maintain puppet manifests for configuring and automating the process of setting up tools/libraries in Virtual machine server environment.
Setup puppet master and use puppet to directly deploy to the servers in staging and DR environment
Setup puppet dashboard and also ensure that puppet master can communicate to puppet client, installed and configured puppet dashboard.
Securing and Hardening the Environments and Continuous Integration tools
Migrated legacy applications to a repeatable Continuous Integration platform
Implemented secured way of Centralized login for AWS users using 389 Directory Services (ldap) and OpenVPN.
Maintaining a farm of EC2 instances, ELB's and RDS.
Developed Ruby and Shell scripts to automate build processes
Used Docker machine as a virtualization between systems.
Expertise in writing Ansible playbooks and creating Roles for Scalability and Reusability in Ansible, writing playbooks for provisioning, orchestration, packages, services, configuration and deployment using Ansible.
Deployed and tested playbooks in Docker containers before pushing changes in Git.
Multibyte Technologies Inc. Hyderabad, INDIA June 2012 – Dec 2014
Role: Jr.Unix/Linux Administrator
Installation and administration of RHEL 5.5, 6 and Cent OS 5.
Configured kickstart server and updating/applying patches to the servers using Red Hat Satellite server.
Remote system administration using tools like SSH, Telnet, and Rlogin.
Planning and implementing system upgrades including hardware, operating system and periodical patches.
Applied appropriate support packages/patches to maintain system integrity.
Performed capacity analysis, monitored and controlled disk space usage on systems.
Monitored system activities and fine-tuned system parameters and configurations to optimize performance and ensure security of systems.
Pushing files, updates using CFEngine.
Creating profiles, manifests for new servers, and pushing them to servers using puppet.
Responsible for maintenance of development tools, utilities and to maintain shell, Perl automation scripts.
Creating virtual machines using Xen and deploying OS, managing hardware.
Creating, installing, Weblogic Application servers, deploying WAR, JAR files on them installed on both Linux, Solaris servers.
Maintained around 500+ Linux servers and 200+ AIX servers.
Installing, configuring Jboss 4.3 on Linux, Unix servers, integrating it with Apache server.
Monitoring of various services using Service Management Facility and Service Administration.
Installing, configuring Veritas Netbackup 6.5 on Linux, Solaris servers, creating backup polices.