SUMMARY

• DevOps, Systems - RHEL 6.x, 7.x, Cent OS 6 & 7 and Windows.
• Software development life cycle (SDLC) and project management.
• AWS cloud with exposure to AWS components like EC2, S3 Buckets, EBS, ELB, Elastic Beanstalk, AMI, EBS cloud watch, Auto-scaling and IAM.
• DevOps tools like Puppet, Chef, Ansible for Configuration management Jenkins for Continuous integration, Maven & ANT for Build & compilation, Apache SVN & GIT for Version/Source control and CI/CD deployments.
• Configuration automation using Docker containers, used Docker to virtualize the servers.
• Possess working knowledge in Troubleshooting Hardware, Storage, Application Bottlenecks, System Recovery, Crash dump analysis, logs analysis and Performance Tuning.
• Exposure to various monitoring tools like vmstat, iOS tat, free, netstat and top.

PROFESSIONAL EXPERIENCE

Confidential, Chicago IL

DevOps/Linux Engineer

Responsibilities:

• Responsible for Release management activities and member of release command centre which closely monitors various projects and their progress in test environments.
• Resolving merging issues during build and release by conducting meetings with developers and managers, monitoring all system frameworks and providing on-call support.
• Developed build and deployment scripts using Ant, Maven as build tools and automated the build and deploy processes using Jenkins to move from one environment to another environment.
• Designed and implemented fully automated server build, management, monitoring and deployment solutions spanning multiple platforms, tools and technologies including Jenkins Nodes/Agent, Ansible, Puppet, and Amazon EC2.
• Automated the process to create Docker images which includes automated package builds into the image and deploy them as needed.
• Maintained the user accounts IAM, OU, RDS, Route 53, VPC, RDB, Dynamo DB, SES, SQS and SNS services in AWS cloud.
• Worked with Jira for Issue tracking and monitoring, integrated Jira with SVN, created automated release notes using Perl Scripts and controlled release management with Bitbucket.
• Created Puppet manifests and modules to automate environment builds and patching activities. Configured monitoring alerts, notifications for EC2 hosts using Cloud Watch.
• Used Ant, Gradle, as build tools on Java projects for the development of build artifacts on the source code. Built and Deployed Java/J2EE to a Web application server in an Agile continuous integration environment and automated the whole process.
• Integrating AWS Code Deploy with Jenkins for automating test, build and deployment as well as automatic rollback in case of any deployment failure occurs.
• Used Splunk, Sensu, Datadog for performance and log monitoring, created dashboards and alerts for Splunk.
• Automated the cloud deployments using python (boto & fabric) and AWS Cloud Formation Templates.
• Interact with developers and Enterprise Configuration Management Team for changes to best practices and tools to eliminate non-efficient practices and bottlenecks, developed release notes documents to provide personnel support with build installation instructions.
• Used Docker to virtualize the servers for test environment and used Docker container for configuration automation.
• Worked on branching, tagging and release using SVN and GIT.
• Implemented continuous integration configured Jenkins servers and nodes.
• Created and maintained user accounts on NIS environment. Scheduled the Jobs using CRON tab.
• Installed and Configured VMWARE ESX servers and Created RHEL Guest VM’s for Dev/ Test and production environment.
• Created RAID 1, 01 configurations on hardware RAID devices and RAID 10, 5 using SVM, LVM, and VxVM.

Confidential, Chicago IL

AWS/DevOps Engineer

Responsibilities:

• Managed and administrated all Linux OS and UNIX servers by applying relative patches and packages at regular maintenance periods using Red Hat Satellite server, YUM, RPM tools.
• Planned and performed the Linux OS upgrades and hardware maintenance like changing memory modules, disk devices, SAS, SATA & SCSI devices.
• Managed deployment automation using Puppet, MCollective, Hiera, and Custom Puppet modules, Ruby.
• Used Puppet for managing server application server such as Apache and MySQL.
• Wrote Puppet Modules for various DB configurations to modularize and optimize product configuration.
• Implemented a Continuous Delivery framework using Jenkins, Puppet, Maven& Nexus in Linux environment.
• Used SVN for branching, tagging and release, also used Tortoise SVN for version control in windows.
• Installed and configured Red Hat 5.x/6.x on Dell Power Edge server, VMware ESX server on Dell Servers and configured SUSE 11.x Red Hat Linux 5.0, 6.0 / Windows virtual machines for various applications.
• Supported and developed tools for integration, automated testing and release management.
• Used Anthill pro as Continuous Integration (CI) server.
• Virtualized the servers using Docker for the test environments and dev-environments needs. Worked on configuration automation using Docker containers.
• Deployed built artifacts into Tomcat instances and were integrated using the Perl and Shell scripts.
• Worked on build and deployment of Java application to various client environments.
• Used build management tools like Ant and Maven to write build. xmls and pom. xmls.
• Handled issued related to NFS, Auto Mount, DNS, LDAP.
• Identified, troubleshoot, and resolved problems with the build process
• Installed, configured, and customized services in Send mail, Apache, FTP servers, as requested.
• Performed kernel & database configuration optimization to limit I/O resource utilization on disks.
• Monitored CPU, memory, physical disk, Hardware and Software RAID, multipath, file systems.
• Checked log files and used cluster commands to troubleshoot cluster related problems.
• Performed Kickstart installations in Linux.
• Planned, scheduled and Implemented OS patches on Linux boxes as a part of proactive maintenance and Secure Shell (SSH) implementation.
• Produced automated software builds using variety of open source, scripting and proprietary tools.

Confidential

Linux/Unix Engineer

Responsibilities:

• Vulnerability remediation, patch planning and upgrades in support of applications
• AIX 6.1 and 7.1, Solaris 9,10 and 11 and Red Hat RHEL patching
• Administration of Development servers running Solaris 11
• Veritas Cluster, Sun Cluster, and Oracle RAC cluster support
• System Hardening, Intrusion Detection through tripwire, vulnerability remediation and system stability.
• Followed TIL methodologies for Problem managemen, Incident management and change management. Justification of change process on CAB boards
• Managed SAN disks on servers through LVM. Disks added from San Switch fabric
• System configuration management via puppet
• OS and SUDO Access additions and removals
• Python, Expect, bash, ksh, csh and other script language coding
• Lun and Volume Group additions. Online disk file system growth
• Sun Sparc ILOM and system firmware upgrade
• HMC, VIOS administration, maintenance, upgrading. IBM Frame Firmware upgrading
• Bash, Ksh and other Shell scripting for patching, administration and maintenance of OS
• Installation, Configuration and Administration of RHEL VM's
• Host Key, SSH key, known hosts management
• Apply server certificates and use of PKI, RSA, DSA and/or X.509 certificates
• VIO Server 2.2 and LPAR / Power VM configuration.
• TCP/IP networking and troubleshooting