SUMMARY

• 7 years of experience Linux, AWS Cloud, DevOps, Build and Release Engineering in automation, Administration, deploying and release of code from one environment to another.

PROFESSIONAL EXPERIENCE

Confidential - Fort Wayne, IN

AWS/DevOps/Linux Engineer

Responsibilities:

• Launching Amazon EC2 Cloud Instances using Amazon Web Services (Linux/Centos/Ubuntu/RHEL) and Configuring launched instances with respect to specific applications.
• Amazon Web Services (AWS) and cloud technologies to migrate over from their current datacenter and virtual environments.
• Experience in support instances running Fedora, Debian, Ubuntu, Centos and RedHat Linux.
• Experience in supporting RedHat Cluster and Oracle RAC environment running Oracle databases in High Availability.
• Experienced in automation of Linux using kick start on Physical and VMWare ESX VM's.
• Enabled Cloud Foundry support on Azure through open source collaboration which enabled millions in cloud spend.
• Designed and implemented Amazon Web Devops Services (AWS) cloud based instances for use on their current and upcoming projects.
• Amazon Web Services (AWS), EC2 Storage Managements integration and utilization within this infrastructure and applications.
• Worked in an agile development team Devops to deliver an end to end continuous integration/continuous delivery product in an open source environment using tools like puppet & Jenkins.
• Experience in Automating, Configuring and Deploying Instances on Azure environments and in Data centers.
• Mass Build of Linux OS servers using Kick start /jumpstart automation application.
• Developed automation and deployment utilities Devops using Ruby, Bash, Power shell, Python and Run deck.
• Experienced in providing day-to-day user administration like adding/deleting users in local and global groups on Red Hat Linux platform and managing user's queries
• Used Octopus to fit into teams that follow agile delivery practices.
• Implemented AzureApplication Insights to store user activities and error logging
• Upgrading and integrating of JIRA, Confluence instances, all plugins, applications.
• We use Terraform to manage the Devops/AWS and other cloud infrastructure. Manage servers using configuration management products like CFEngine or Puppet.
• Setup automated alerting of Openstack Control Plane services using Zabbix triggers and templates.
• Managed ECS clusters using Cloud Formation templates, SNS, Auto scaling and cloud watch
• Repeatedly worked on AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, S3, DynamoDB, ElastiCache, IAM, Cloud Formation, OpsWorks, Cloud Watch.
• Installed application on AWS EC2 instances and configured the storage on S3 buckets.
• Worked on Database like Cassandra, Hadoop, Redis, Riak, Spark, postgresql, MySQL.
• Written Chef Cookbooks for various DB configurations to modularize & optimize product configuration.
• Branching, Tagging, Release Activities on Version Control Tools: SVN, GitHub.
• Implementation and administration of VMware ESXI 5.x, 6.0vCenter for running Red hat Linux, Servers on Production and Development.
• Experience in Installation, Configuration, Upgrade, Patches, and performance tuning on UNIX and system software & hardware
• Experience in using GIT and Rational Linux Clear case on UNIX and Windows environment.
• Maintaining the Security groups and setting up the rules for instances that are associated to the security groups.
• Developed authentication and authorization APIsfor user and endpoint management.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems.
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IP tables, firewall.
• Maintained puppet modules and manifests that automate deployment of configuration and software for Openstack Control Plane.
• Worked on RPM and YUM package installations, patch and another server management.
• Application Deployments & Environment Linux configuration using Chef, Saltstack and Ansible.
• Deployed the java application into web application servers like Apache, Tomcat.
• Created file systems like Ext3, ZFS, VxFS using Veritas Foundation Suite, SVM and LVM.
• Written and implemented Perl script to modify LDAP database
• Experienced in deployment of applications on Apache Webserver, Nginx and Application Servers such as Tomcat, JBoss.
• Automate infrastructure creation, deployment and recovery using Ansible/Salt, Docker, Terraform & Jenkins.
• Implemented Java based Command line interface APIs for floating ip functionality and integrated with web services
• Experience performing SAN provisioning to Linux and ESX servers from EMC SAN arrays VNX and Clarions.
• Integrate JIRA projects with Confluence Pages and construct Confluence pages.
• Setting up Jenkins, CircleCI Continuous Integration (CI) and Deployment builds for all releases on windows and Linux Debian.
• Created scripts in Python which integrated with Amazon API to control instance operations.
• Virtualized the servers using the Docker for the test environments and dev-environments needs. And, configuration automation using Docker containers, mesos, marathon and microservices.
• Worked with various scripting languages like Shell, Ruby, PHP, Behat, Codeception and Python

Confidential, San Jose, CA

Linux/DevOps Engineer

Responsibilities:

• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Puppet or custom-built.
• Drupal is a scalable and secure platform upon which we use to build their web service ecosystem.
• Creating and managing file systems, Creating and managing Logical volumes in Linux and VERITAS Volume manager in Solaris & Linux & IBM AIX.
• Implementing a Continuous Delivery framework using Jenkins, Chef, Maven & Nexus in Linux environment.
• Analyze and resolve conflicts related to merging of source code for GIT, TeamCity.
• Planned, designed, and implemented a project to provide network security stack providing visibility, redundancy, and consistency for all applications hosted in the cloud.
• Setting up Jenkins, CircleCI Continuous Integration (CI) and Deployment builds for all releases on windows and Linux Debian.
• Extremely worked on Hudson, Jenkins for continuous integration and for end to end automation for all build and deployments
• Extensively worked on Apache http Server, Apache Tomcat Server as administrator for Server Installations, Configuration, Application components deployment, performance tuning including troubleshooting and maintenance.
• Performing software installation, upgrades/patches/packages, troubleshooting, and maintenance on UNIX &Linux Servers.
• Experience with VMware VSphere6.0, 5.5 and 5, VMware Venter 5.5, Vcenter5, Venter 4.1.
• Setup, tune, scale ELKK (Elastic Logstash Kafka & Kibana) stack for transactional logging with cross data center replication
• On the other hand, also achieved building of .net application by integrating Visual Studio with Jenkins.
• Azure Cloud and On-premise network for backend communication.
• Installed Jenkins/Plugins for GIT Repository, Setup SCM Polling for Immediate Build with Maven and Maven Repository (Nexus Artifactory) and Deployed Apps using custom ruby modules through Puppet.
• Installed/Configured/Managed Puppet master. Wrote DevOps custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Upgradation or Migration of Puppet Community and Enterprise.
• Worked with container based deployments using Docker, with Docker images and have a good knowledge on Vagrant.
• Creation of Volumes and file systems on SAN disks using Redhat LVM and VERITAS Volume Manager
• Expertise in configuration and managing Linux Virtual Machines under VMware
• Conduct network vulnerability assessments using tools to evaluate attack vectors, identify system vulnerabilities and develop remediation plans and security procedures.
• Knowledge of Logging and APM DevOps tools AppDynamics, Zabbix, Splunk, ELK and Grafana.
• Developed and supported Devops the Red Hat Enterprise Linux Debian based infrastructure in the cloud environment.
• Create and maintain VMS in Windows Azure using Azure Express Route
• Developed Python, Shell Scripts, Bamboo, Octopus, and PowerShell for automation purpose.
• Firm grasp of managing various filesystem using Logical Volume Manager (LVM), Veritas Volume Manager (VxVM), Veritas File System (VFS) and Solaris Volume Manager (SVM).
• Proficient in installation and configuration of various Packages and Patches in Linux Debian utilizing Red Hat Satellite Server.
• Implemented multi-tier application Devops provisioning in Amazon cloud Services, integrating it with Puppet.
• Built and maintained Elasticsearch Logstash Kibana stack to centrally collect logs that are used to monitor applications
• Improved scalability by storing socket buffers on Redis and maintaining sessions by MongoDB.
• Expertise in managing Virtual Linux servers running on VMWare ESX 4/5.
• Actively involved in Change board meetings and responsible for creating changes and implementing them mainly in Production environment.
• Currently working on build activities which involves building RedHat Enterprise Linux 6 (and 7) servers in both Physical and Virtual platforms and procedure documentation.
• Exposed to all aspects of Software Development Life Cycle (SDLC) such as Analysis, Planning, Developing, Devops Testing and implementing and Post-production analysis of the projects with Agile Scrum, Waterfall and V model.
• Created JIRA support requests project for daily support tickets from users across different teams in the organization.
• Installed and configured SysDig, Data Dog, AppDynamics, New Relic, Nagios, Zabbix monitoring tool, while using it for monitoring network services and host resources.
• Implemented automated local user provisioning Devops in instances created in Amazon cloud Services.
• Used Puppet to manage Web Applications, Config files, Devops Database, Commands, Users Mount Points, and Packages.
• Installed and configured Nagios monitoring tool, while using it for monitoring network services and host resources.

Confidential, WA

Unix/Linux Systems Admin

Responsibilities:

• Build, Install and upgrade packages and patches on RHEL, CentOS and Ubuntu servers using RPM, YUM, APT and third-party software applications.
• Conducted pre-consolidation tasks, which included Health Checks, validations and data collection of the servers.
• Installed and upgraded packages and patches on RHEL servers using RPM, YUM and third-party software applications.
• Installation of Database servers and user’s management such as Oracle, MYSQL, SQL Server.
• Implementation and maintenance of DHCP, NFS, NIS, DNS Mailing List, Send mail, FTP and Apache SMTP.
• Application installation and troubleshooting forSolaris, Red HatLinuxand CentOS.
• Hands on experience in creating Volumes, LUNS forUnix machines.
• Installed RHEL 5.x using Kick-start server on standalone servers and VMware environments.
• Provided solutions to the client about Disk mirroring and RAID implementation using Solstice Disk Suite and VERITAS volume manager and cluster.
• Responsible for patching Linux servers.
• Setup and managed environment using puppet configuration management tools.
• Administered Linux Servers Linux (Red hat - RHEL 3/4/5) for several functions including managing Apache/Tomcat server, mail server, My Sql database and firewalls in both development and production.
• Installation and configuration of Red Hat Device Multipathing.
• Experienced in installation and configuration of Web Sphere application server’s V 3.5/4.0/5.x/6.x, IBM HTTP Server on AIX, Solaris and Linux platforms
• Managing VM’s and ESXi hosts by using vSphere Client, Putty and Web Access and installing the VMware Tools on the VM’s.
• Worked on servers configured with EMC Clariion, EMC Symmetrix, EMC Celera, EMC VMAX storage

Confidential

Unix/Linux Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Linux, windows servers
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of Red Hat Linux, Oracle Enterprise Linux/ UNIX Systems.
• Management of Red Hat Linuxuser accounts, groups, directories and file permissions.
• Performed automated Linux installations of Operating System using kick start for Linux Debian.
• Installing and configuring services such as Apache, DNS, SMTP, HTTPD, NTP, DHCP and supporting them on Linux production servers.
• Hands on experienced with SOAP, REST
• Performing RPM and YUM package installations, patch and another server management
• Participate in performance walkthroughs and reviews
• Troubleshooting Linux network, security related issues, capturing packets using tools such as IP tables
• Extensively worked on LVM and extended the logical volumes.
• Maintained all the Red hat servers Linux entitled with the latest subscriptions
• Perform error analysis and recovery, documentation and procedures required for reference
• Log all scheduled/unscheduled system activities and problems
• Monitored the systems CPU, memory, IDE/SCSI disks, disk controllers, RAID, and network parameters using the tools NAGIOS monitoring system.
• Worked on high availability Linux servers - load balancing and clustering
• Worked with Virtualization software (Xen)
• Worked with Network Attached Storage devices and RAID technology
• Worked with NetBackup.