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Devops Engineer Resume

Richmond, VA

SUMMARY

  • Devops Engineer with 3+ years of experience in Devops, automation, SCM, administration support, design, implementation, maintenance, tuning and troubleshooting of the servers running on various operating systems Red hat Linux /CentOS 4.x/5.x/6.x and VMWARE ESXI 5.0/5/1/5.5.
  • Over 3 years of experience working on Continuous Integration and Delivery Platform as a DevOps Engineer.
  • Experience in System Administration on Red Hat Linux, Ubuntu, IBM AIX, SUSE Linux, Sun Solaris Server environments.
  • Experienced developing Spark scripts by using Scala shell commands.
  • Experience using Terraform and Chef to implement infrastructure as code for automation purposes.
  • Experience in working with various AWS Services like EC2, S3, ELB, Auto scaling, Route53, SNS, SES, Cloud Watch, RDS, Dynamo DB, VPC, Cloud Formation.
  • Experience in implementing configuration management tools Puppet, Chef, Ansible and treating Infrastructure as Code
  • Experience in managing servers on the Amazon Web Services (AWS) platform instances using Puppet, chef configuration management. Good Experience in build automation using JENKINS, MAVEN, ANT
  • Experienced with writing recipes for application specific components such as Java, Tomcat and various third party applications sitting in the RPM repository.

TECHNICAL SKILLS

Programming Languages: Python, Bash, Ruby .

Technologies: VMware, GIT, Cisco Switches and Routers, Chef (Configuration Management Tool), Ansible, AWS, Docker, Serverless Framework, Kubernetes.

Databases: MySQL, Oracle DB 12c, Maria DB, Dynamo DB.

Storage: HP 3PAR, MAS, S3 .

Tools: GIT, SBT, VCenter server, JIRA, CIMC, Splunk, SCCM, Spacewalk, Jenkins, Terraform, Rundeck, AppDynamics, HashiCorp, Harbor, Nexus, Sonarqube .

Certifications: AWS certified Solutions Architect, AWS SysOps Administrator Associate .

Operating Systems: Linux (RedHat, CentOS), Windows 7, 8 and Windows Server 2008.

Web/App Servers: IBM WebSphere App Server (6.1/8.5), IBM HTTP Server (IHS), Apache Tomcat, Apache Spark, Apache Mesos.

Monitoring tools: Solarwinds, VCOPS, Nagios, Zendesk, Splunk.

PROFESSIONAL EXPERIENCE

Confidential - Richmond, VA

Devops Engineer

Responsibilities:

  • Working on rehydration of amazon AMI images.
  • Implementing Chef management tool for applications which are not boarded with continuous deployment.
  • Implementing CORS(Cross Origin Resource Sharing), for RDS instances.
  • Deployed Harbor tool using Kubernetes for storing Docker images and made it HA and have created a strong backup for it.
  • Written automation to delete branches in git and artifacts in nexus using python.
  • Collaborating with application developers to troubleshoot their build pipelines.
  • Utilized Hygieia tool for greater visibility for project managers on what is going on with their project on a sprint basis
  • Utilized HA-Proxy to create floating Ip’s for legacy DNS servers and implemented a health check mechanism.
  • Migrated Sonarqube which was running in ECS to kubernetes cluster to optimize cost.
  • Managing jira scripts automation which take care of project creation and deletion.
  • Currently working on adding windows Jenkins slave to Jenkins master running on Linux OS.

Confidential - Schaumburg, IL

Devops Engineer

Responsibilities:

  • Worked on migration of RHEL 5/6/7.X to AWS cloud.
  • Implemented continuous integration using Jenkins, for middleware components WebSphere, Tomcat and JBoss
  • Deployed the application on to servers using Rundeck and Chef.
  • Wrote recipes for application specific components such as Java, Tomcat and various third-party applications sitting in the RPM repository.
  • Developed Ruby gems to test and and print reports which assisted project managers to show their leadership.
  • Coordinated with app teams to re write application code due to migration from JBoss and WebSphere to Tomcat.
  • Troubleshooted errors generated from server.xml and pom.xml.
  • De-scripted jython script which was automating to install Wily and replicated that in python to audit, install, and uninstall.
  • Wrote application specific ruby scripts to append them as run lists on the chef server.
  • Performed operations efficiently to make the application cloud ready by performing unit testing on each layer (UI, Batch) using Appdynamics, Splunk and Terraform.
  • Built Docker images via Jenkins and pushed application Docker image it to AWS ECR.
  • Deployed the docker images via Rundeck/Nimbus to the ECS cluster.
  • Building/Maintaining Docker container clusters managed by Kubernetes, Linux, Bash, GIT, Docker, on GCP.
  • Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test deploy.
  • Automated Compute Engine and Docker Image Builds with Jenkins and Kubernetes.
  • Used minishift to run and test spring applications locally.
  • Automate Deployment using configuration Management tool like OpsWorks - Chef to provision Amazon AWS Instances to enable continuous Deployments.
  • Integrate Splunk with AWS deployment using puppet to collect data from all EC2 systems into Splunk .
  • Automated Nagios alerts and email notifications using python script and executed them through Chef .
  • Configured JSON properties files, to make the middleware stack render the application code.
  • Configured the web services on F5(layer 4) as per the RESTFull parameters.
  • Automated virtual LTM servers by implementing .tmsh scripts.
  • Pulled the new docker images from ECR to attach it to the new load balancer and draining the old versions.
  • Worked on serverless framework to build applications comprised of microservices that run in response to events, auto-scale as per the environment demands.
  • Wrote Terraform scripts to deploy AWS infrastructure as needed for the application Team.
  • Deployed code on AWS platform using CloudFormation.
  • Supported and monitored AWS CodePipeline to ensure the accuracy of staging environments do the necessary validations as directed by application teams, and cut over to production environment.
  • Built Scala code using SBT
  • Deployed Java based applications using Chef.
  • Used Chef Automate to remediate failed patches.

Confidential

Devops/Linux/VMware System Administrator

Responsibilities:

  • Experience supporting RedHat servers in Production and Development environments.
  • Involved in DevOps processes for build and deploy systems.
  • Troubleshoot the automation of Installing and configuring applications in the test environments.
  • Created monitors, alarms and notifications for EC2 hosts using Cloud Watch.
  • Involved in DevOps processes for build and deploy systems.
  • Provided Configuration Management and Build support for different applications, built and deployed to lower and higher environments.
  • Maintained and administered GIT and DevOps source code tool.
  • Wrote Spark applications using Scala and Java and used Scala sbt to develop Scala projects and executed using Spark-submit
  • Worked on Continuous Integration systems with Maven and Jenkins.
  • Worked with AWS Cloud platform and its features, which include IAM, EC2, S3, AMI, EBS, CLI, SNS, and RDS.
  • Developed python scripts to automate installation of applications like Nagios, and Splunk forwarder.
  • Developed ruby gems to
  • Responsible for updating the micro-codes of the adapters on the existing servers.
  • Installed RPM packages on Red hat Linux Servers and applied patching on RHEL 6 & 7 versions
  • Configured Bonding on Oracle RAC Cluster using the Round Robin and Active backup options
  • Performed Restack migrations for Red hat Servers supporting Middleware applications such as WebLogic and Jboss from Physical blade servers to Virtual Machines in the VMware Infrastructure.

Environment: RHEL 5.x, 6.x, 7.x, AWS EC2, Ansible, Puppet, Chef, Git version Control, VPC, ESxi 5.0 / 5.1/5.5/6.0 , VMware VSphere 4/5.x/6.x, HP DL 380 Blade servers, Docker, Cisco UCS, Red hat clustering, Veritas Clustering, Power HA and HACMP, EMC Symmetrix, Vblock, VMAX, NETAPP

Confidential

UNIX/AIX/LINUX Admin

Responsibilities:

  • Experience in Installing, Configuring and Maintaining RedHat Linux (RedHat Enterprise Linux 4.x, 5.x & 6.x) Servers and Windows 2003/ 2008 R2 Servers on Power Edge Model rack, HP blade centers like HP C6000 & C7000 and also Cisco UCS environment.
  • Supported RedHat servers in Production and Development environments.
  • Maintained AIX kernel, volume groups, logical volume, JFS file system for better performance. Schedule cron job for automate the task for later execution.
  • Setup the full networking services and protocols on AIX and Linux, including NIS/NFS, DNS, SSH, DHCP, NIDS, TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality.
  • Tuned the TCP/IP stack for troubleshooting application and OS issues.
  • Responsible for downloading and upgrading the patches as per the system requirements.
  • Supported the PeopleSoft/Weblogic team by helping in the OS and Application upgrades and installation of new SSL certificates for Weblogic 10.1.
  • Maintenance of VERITAS Cluster Server.
  • Used NetBackup for backing up & restoration of file systems.
  • Built new servers using Custom jumpstart installation and Kick start.
  • Worked with Firewalls using IP Tables.
  • Installation & Configuration of Logical Volume Manager - LVM and VERITAS Volume Manager.
  • Configured DNS, DHCP, NIS, NFS and other Network Services in IBM AIX.
  • Setup of NFS, FTP Servers in IBM AIX, Red Hat Linux and SUSE Linux.
  • Integrating UNIX file systems using packages like SAMBA. Setting up printers on UNIX / NT machines to work seamlessly across platforms.
  • Well versed with installing, maintaining/ configuring Windows 2003 & 2008 R2, its shell variables, networks & equipment’s, DNS, DHCP, WINS, Port Tracking, Active Directory and Recovery Console etc.
  • Administration and troubleshooting multi-terabyte EMC frames connected to multiple platforms.
  • Development of shell, Python scripts for automation of systems administrative tasks.

Environment: RHEL 4.x, 5.x, ESX, HP DL 380 Blade servers, CentOS, Perl Scripts, TCP, VMWare, Unix, DNS, DHCP, NIS, NFS, FTP, VNB, EMC Symmetrix, VMAX, EMC Celera and TSM.

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