Linux System Administrator, Production support, DevOps Engineer, Web Middleware support, System Monitoring,
Summary:
Over ten years of application and infrastructure support experience managing applications and servers for government, financial, academic and hi-tech industries that includes 24/7 production support environment.
Work Experience:
DevOps and Production environment experience: Many years of system administration plus engineering experience that includes supporting critical production environment and also various development environments working closely with developers, QA, business analysts and directly with the customers. Experienced and truly seasoned in supporting release management, SDLC and version control. Created and ran build and deployment scripts independently and incorporated with various build tools like Ant, Maven, Jenkins, etc.
Apache, Tomcat and JBoss servers: Configured and performed performance tuning and enhancement activities on Apache, Tomcat and JBoss application environment of various architectures for web applications. Provided upper tier production support for Java application environment.
VMWare virtualization: Built and administered VMWare environment with multiple VM hosts and hundreds of guest operating system virtual nodes. Experienced in using vSphere5.1 and vSphere4.x. Also experienced in multi-hypervisors like Zen and Proxmox.
Red Hat Satellite RPM Management: Created Red Hat channels (repository) for managing wide and diverse range of application sever building with appropriate and precise package management.
Red Hat Operating System upgrade: Completed thousands of server OS upgrade using a combination of Red Hat Satellite tools and VMWare as part of critical Operating System upgrade projects.
Hadoop with Cloudera and Hortonworks: Created and configured Hadoop name and data nodes using Cloudera and Hortonworks.
Opscode Chef and Puppet : Created Opscode Chef and Puppet environments and wrote cookbooks and recipes for numerous system administration automation tasks.
Work Terms
Available remotely (telecommuting) with flexible after regular hours (US Pacific).