SUMMARY

• 7+ years of extensive IT industry experience with 4 years of Linux System Administration working on RedHat, CentOS, Ubuntu, Windows environments, VMware vSphere and 3 years’ experience in DevOps environments such as (DEV, TEST, STAGE & PROD) in an all automated environment.
• Experienced in Cloud automation using AWS Cloud Formation templates. Experience in Amazon Web Services EC2, ELB, S3, Route 53, EBS, VPC, AMI, SNS, RDS, Auto Scaling, etc.
• Experience deploying EC2 instances with different systems like Amazon AMI, RHEL, Open SUSE Linux, Ubuntu, Confidential Windows 2008/2012 server and others.
• Created Elastic Load Balancer and auto scaled images to design cost effective, fault tolerant and highly available systems on multiple AWS instances. Hands on experience using Elastic Block Storage (EBS) and S3 buckets for data storage.
• Experience in using Configuration management software’s like Chef, Puppet, and Ansible for Automation. Extensive hands on experience in using Chef attribute templates, recipes and managing On - site OS/Applications/Services/Packages using Chef.
• Used PowerShell to install Chefdk on windows 8/10 systems. Hands-on experience writing and maintaining Ansible and wrote build scripts for server management and deployment.
• Experience in branching, tagging and maintaining teh version across teh environments using SCM tools like Subversion (SVN), GIT, Visual SVN and Tortoise SVN. Experience with build tools Ant and Maven for writing build.xml and pom.xml files respectively.
• UsedDocker for packaging applications. Deployed Docker Engines in Virtualized Platforms for containerization of multiple apps and automated deployments, scaling and managed containerized applications using Kubernetes.
• Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Jenkins/Hudson. Built Ant scripts to compile and test Java code in web applicationHudson.
• Creating and managing Virtual Machines VSphere4, ESXI 5.1/5.5/6.0, VMware View, vCenter Server and Templates, worked with clones and snapshots of Virtual Machines.
• Extensive Experience in integration, deployment and administration of J2EE Application servers WebSphere v6.0/7.0/8.0/8.5, and JBoss v6.0 Application Server across UNIX, Windows and Linux platforms.
• Worked with application teams to resolve issues related to Enterprise and Web Applications hosted on WebSphere, JBoss and Tomcat. Install and configure enterprise level Apache Web servers and Tomcat application containers in RHEL Linux/CentOS.
• Skilled enough to build deployment, build scripts and automated solutions (using scripting languages such as Python, Shell, Bash.).
• Administration of RHEL 5, 6 and 7 which includes installation, testing, tuning, upgrading and loading patches, troubleshooting virtual server issues.
• Implemented LVM and RAID level concepts within teh production environment as well as configured and added LUN’s to teh already existing Linux environment. Experience in configuring teh Linux Kickstart servers on multiple servers for network installations.
• Experience in using bug-tracking systems like JIRA, Nagios, Atlassian's Bugzilla and Mantis. Expertise in design and implementation of Continuous Integration, Continuous Delivery, Continuous Deployment and DevOps processes for agile projects.
• Experience in building private cloud infrastructure of Open Stack, deploying through puppet and maintaining them in production, and have tested Open Stack environment (Nova, Swift, Cinder, Neutron, Horizon, Keystone, & Glance).
• Involved in Capacity planning & Performance Analysis, Uptime & Response time analysis, implementation and maintenance of NFS, & Apache SMTP. Experience in Centralized logging and log parsing/indexing with Logstash and Elastic Search.
• Worked on variety of scripting languages like Shell, Perl, Python, PowerShell, Ruby, Bash. Ability in development and execution of XML, Shell Scripts and Perl Scripts.
• Knowledge on teh in-house monitoring tool VCMS, Experience with Splunk, Zabbix and iCinga for Resource Monitoring/Network Monitoring/Log Trace Monitoring.
• Good exposure to Software Development Life Cycle, SCM practices along with software Build and Release Management methodologies.
• Skilled with Linux Utilities: KICKSTART, SSH, User Management, Process Management, Memory Management, and Text processing tools, Log Management, Package Management, Disk Management and Swap Partition/Files Management.

TECHNICAL SKILLS

Operating Systems: Red Hat Linux ES & Centos OS 4.X, 5.X, 6.X & 7.X, Ubuntu 10.X Solaris 9,10, 11, Windows 2K, XP, 2003, NT, 2008, 2012, and 6, AIX 7, HP-UX 11.23

Scripting Tools: bash, Perl, Python, Ruby, Shell

Cloud Administration: AWS, Azure

Application/Web servers: WAS 7.X, 8.X JBoss AS 5.x, 6.x, 7.x,JBoss EAP 5.x, 6.x, Apache, Tomcat, HTTPD

E-Mail servers: Sendmail, Postfix, Zimbra

Monitoring: Nagios, ZABBIX, Splunk, ELK, Grafana

Networking: DNS, DHCP, TCP/IP, SMTP, LDAP

Third Party Tools: Puppet, Ansible, Chef, Jenkins, Various DevOps Tools, Git, GitHub

Virtualization/Containers: VMWare vSphere, ESX 5.x/6.0, Docker, Kubernetes, Mesos

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Cloud / DevOps Engineer

Responsibilities:

• Involved in Designing and deploying of multiple applications utilizing almost all teh AWS Services (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM focusing on high availability, fault tolerance and auto scaling.
• Worked with business units, software developers, security, to design and build applications and services within AWS and/or other cloud providers for automation using Cloud Formation Templates and Python.
• Analyzing and monitoring performance bottlenecks and key metrics to optimize software and system performance and providing with enough system resources if necessary.
• Worked in all areas of Jenkins setting up CI for new branches, build automation, plugin management and securing Jenkins and setting up master/slave configurations.
• Integrating various Version control tools, build tools, nexus and deployment methodologies (scripting) into Jenkins to create an end to end orchestration build cycles.
• Virtualized servers using Docker for test and dev-environments needs, also configuration automation using Docker containers. Creating Docker Containers leveraging existing Linux Containers and AMI's in addition to creating Containers from scratch.
• Maintained Mesos and Kafka for managing teh real-time data streamlines under proper environments and depended on Zookeeper for any assistance. Used Grafana for monitoring and created graphs, dashboards and alerts for analytics.
• Designed Docker for continuous integration and automatic deployment running all teh build jobs and integrated teh deployments with Apache Mesos.
• Extensively worked on Ansible deployments, written variousAnsibleplaybooks with multiple roles, tasks with loops, templates, service management, host variables, group variables etc.
• UsedAnsibleto manage Web applications, Environments configuration Files, Users, Mount points and Packages for all teh operations related tasks.
• Experience in working with JFROG Artifactory to deploy artifacts. Configured remote repository serves as a caching proxy for a repository managed at a remote URL.
• Created multiple Terraform modules to manage configurations, applications, services and automate installation process for web servers and AWS instances.
• Experience in GIT, JIRA & Confluence administration involving creation and management of custom, complex projects, workflows, security schemes, custom fields, dashboards and reports configurations.
• Work in a highly process-driven Agile SDLC environment with daily scrum meetings and integrated various bug tracking tools such as JIRA into teh release activities for collaboration and documented work spaces in Confluence.
• Automate processes to overcome day to day tasks and adapt to new tools and technologies in order to address server automations when needed. Lead and co-ordinate teh Go-Live activities including teh execution of teh deployment Plans and checklists. Develop scripts and automation tools used to build, integrate, and deploy software releases to various platforms.
• Measure and monitor progress to ensure application releases are delivered on time and within budget, and that they meet or exceed expectations. Excellent communication, interpersonal, analytical and quick problem-solving skills.

Confidential, Milwaukee, WI

Cloud Engineer/ DevOps Engineer

Responsibilities:

• Designing and deploying of multiple applications utilizing almost all teh AWS Services (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM focusing on high availability, fault tolerance and auto scaling.
• Worked on AWS Cloud watch which monitors Live Traffic, logs, Memory utilization, Disk utilization and various other factors which are important for deployment. Experienced in performance monitoring tools like AWSCloudWatchand Stack driver.
• Automated teh cloud deployments of services using Python Boto and fabric along with AWS Cloud Formation Templates.
• Worked on Installing, configuring to make teh Open shift cloud setup to manage our Docker and kubernetes cluster and created JSON templates.
• Strong experience with Docker containers and experience working on Docker to build images at root of teh repository and clustering teh containers with Docker Swarm and Kubernetes.
• Worked with Red Hat Open Shift Container Platform for Docker and Kubernetes. Used Kubernetes to manage containerized applications using its nodes, Config Maps, selector, Services and deployed application containers as Pods.
• Installed and configured Open Shift as part of PAAS on google cloud Vms. Deployed pods in Open Shift, created services, exposed routes, set quotas and limits per project and created role binding for users
• Manage architecture of Jenkins and integration with Confluence for release management and documentation assets. Re architect a Maven based system reducing build times.
• Modeled and automated teh End to End Continuous Integration/Deployment/Delivery pipeline which included building a Continuous Integration server utilizing tools like Jenkins, Nexus, maven, Git, and Sonar.
• Researched and implemented code coverage and unit test plug-ins with Maven/Jenkins and Installed Groovy plugin to Jenkins and worked on groovy scripts to add support for groovy projects.
• Created Post Commit and pre-push hooks using Python scripts in SVN and GIT repos and also created various scripts in Python to automate teh build processes.
• Setup and configured Cruise Control for Continuous Integration and Release Management as well as maintained Repository management in Maven to share snapshots and releases of internal projects using Nexus.
• Used AWS EC2 to create Test kitchen in order to test teh cookbooks before they are updated to teh Git. Involved in teh migration from VMWARE to AWS and managed Services like EC2, S3 Bucket, Route53, ELB, EBS etc with Opscode Chef Cookbooks/Recipes.
• Used chef for automation of repetitive tasks, quickly deploy critical applications, and proactively manage changes, worked on teh modifications and teh development of some Chef Cookbooks and recipes to automate deployment environment configuration.
• Built and deployed EAR and WAR files with custom configuration settings using Maven Tool Kit and further deployed teh archives into Apache Tomcat Web Server and WebSphere Application Servers.
• Created theClustering Topologyin WebSphere Application Server ND 8.5.5 to achieveWork Load Management (WLM), High availability, Load Balancing and Hardware fail over and implemented horizontal clustering.
• Production support of Apache and JBoss including installation, management and troubleshooting. Worked on teh administration of teh JBoss 4.2.2 servers including installation and deployments.
• Production support for installation, configuration, management and troubleshooting of applications like Apache, PHP, My SQL and Tomcat.
• Worked with Splunk Enterprise Security to monitor teh applications, capacity planning, checking teh Splunk logs for hidden application errors, and also configured Splunk Database connector.
• Integrated Splunk with Active directory and LDAP autantication and Performed Splunk administration tasks such as installing, configuring, monitoring and tuning.
• Work in a highly process-driven agile environment with daily scrum meetings usingJIRA, Confluence and other collaboration tools.

Confidential - Plano, TX

Cloud/ DevOps & Release Engineer

Responsibilities:

• Experience with teh use of AWS services/tools include but not limited to IAM, S3, Cloud Front, EC2, Route53, CodeCommit, CodeDeploy, CodePipeline, Cloud Trail, EBS, AMI, ELB, CLI, Cloud Watch, VPC, Auto Scaling, ELB and Cloud Formation.
• Used some predefined CFT’s to create local EC2 instances for daily deployments. Designed roles and groups for users and resources usingAWSIdentity Access Management (IAM).
• Installed AWS CLI on different windows platforms and used it to generate basic EC2 instances for regular BAU and performed operations only on single files and S3 objects using various commands. Created S3 buckets and managed policies for S3 buckets and utilized S3 bucket Glacier for storage and backup onAWS.
• Implementation of developer instances using AWS EC2 instances and Docker containers for local code development. Configured anAWSVirtual Private Cloud (VPC) and Created Public and Private subnets, NAT gateways, VPN IPSec tunneling, defined NACL’s and Security Group for securing AWS services within private and public Subnets in VPC.
• Migrated VMware VMs from on premise to AWS cloud and migrated applications using AWS services like EC2, S3 Bucket, Route53, ELB, EBS and monitored scalable infrastructure on Amazon web services (AWS) & configuration management.
• UsedAWSlambdafunctions and server less code execution that can be triggering to run code by S3, SNS or other events from cloud watch. Moved data from Local System to S3 bucket.
• Designed, Installed and ImplementedAnsibleconfiguration management system.UsedAnsibleto manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Configured Ansible to manage AWS environments and automate teh build process for core AMIs used by all application deployments including Auto scaling and Cloud Formation scripts.
• Involved in writing Ansibleplaybooks for setup and configuration of tools including Jenkins and Artifactory on remote servers using REST API protocol. Used Ansible Tower to automate Provisioning and Deployments for our project and integrated it with LDAP to manage access with increase security.
• Created multiple dockerfiles for different microservices such as MySQL, apache, tomcat, NodeJS, php, Redis, JBoss and managed Containers, Images, Compose.
• Implemented zero downtime deployment process in WebLogic using python and shell script and automated it using Docker, Jenkins and GitHub and AWS AMI’s.
• Implemented Docker-maven-plugin in and maven pom to build Docker images for all microservices and later used Docker file to build teh Docker images from teh java jar files.
• Participated in teh release cycle of teh product which involved environments like Development, QA, SIT, UAT and Production.
• Migration of code repository from Subversion to GitHub as a first step in creating a CI/CD pipeline, also assisted teh developers in Rebasing their branches with teh release candidate. Installed and Configured teh Nexus repository manager for sharing teh artifacts within teh company.
• Managed build results in Jenkins and deployed using Jenkins Jobs, migrate all of my Jenkins jobs (or my entire Jenkins configuration) from one instance to another. Supported implementation of Continuous Integration, DevOps, Release Management, Environment Management and Production Support processes.
• Installed, configured Nginx as webserver and reverse proxy for multiple sites. Worked with location, SSL configurations, server in nginx. Upgrading teh Application as per Application team requirements, Scheduling jobs using crontab.
• Deployed and configured Elastic search, Log stash and Kibana (ELK) for log analytics, full text search, application monitoring in integration with AWS Lambda.
• Developed automation and deployment utilities using Bash, PowerShell, Rundeck, scheduled tasks and system backups using Python on RHEL.

Confidential - Dearborn, MI

Cloud Engineer/ DevOps Engineer

Responsibilities:

• Involved in designing and deploying a multitude of applications utilizing almost all of teh AWS stack (Including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, IAM) focusing on high-availability, fault tolerance and auto-scaling.
• Build and configure a virtual data center in AWS cloud to support Enterprise Data Warehouse hosting including VPC, Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer, CloudWatch, CloudTrail and Security Management VPC.
• Designed a Cloud Formation Template with built in VPC, S3, RDS, DynamoDB with reliability to provision instances quickly.
• Created SNS notifications and assigned ARN to S3 for object loss notifications. Created load balancers (ELB) and used Route53 with failover and latency options for high availability and fault tolerance. Created AWS Multi-Factor Autantication (MFA) for instance RDP/SSH logon, worked with teams to lock down security groups.
• Worked onDocker container snapshots, attaching to a running container, removing images, managing director structures and managing containers. Worked on severalDockercomponents likeDockerEngine, Hub, Machine, Compose andDockerRegistry.
• Deployed, configured and maintained open source project with Kubernetes to manage a cluster of containers, running Docker containers across multiple hosts.
• Implemented a CI/CD (Continuous Integration /Continuous Delivery) framework using Jenkins, Maven & Artifactory in Linux environment and Integration of Maven/Nexus, Jenkins, Git, Confluence, Jira and Cloud Foundry.
• Installed and configured Jenkins for Automating Deployments and providing a complete automation solution. Maintained build related scripts developed in ANT and shell. Modified build configuration files including Ant’s build.xml.
• Worked with development team to migrate Ant scripts to Maven and Worked on authoring pom.xml files, performing releases with teh Maven release plugin and managing Maven repositories.
• Applied patches every quarter regularly to meet audit requirements using Oracle Ops Center, Red Hat Satellite server, Up2Date, YUM, RPM tools. Deployed, configured, troubleshoot web-based applications on teh specific requirements with WebSphere Application Server and DB2, Oracle configurations.
• Installation and configuration of Puppet including configuration of Puppet master, agent nodes and admin control workstation. Wrote some puppet manifests for deploying, configuring and managing collected for metric collection and monitoring.
• Managed VMware administration including deploying, cloning, creating templates from virtual machines onLinux and Windows. Used Red Hat volume manager for creating file systems and performing health check on regular basis for all Linux servers.
• Worked with JIRA for creating Projects, assigning permissions to users and groups for teh projects & created Mail handlers and notification Schemes for JIRA.
• Managed, configured, installed Sudo for root privileges also familiar with powerbroker environment for role-based privileges.

Confidential,Seattle, WA

Systems Engineer

Responsibilities:

• Install and configure Red Hat Enterprise Linux 5.x/6.x operating systems on large distributed environment at multiple Data Centers and identifying build errors in teh system & build issue and escalate it to teh concerned team after careful analysis.
• Experienced with deployments, Maintenance and troubleshooting applications on Confidential Cloud infrastructure Azure. Deployed and managed applications in datacenter, virtual environment and Confidential Azure.
• Worked on interconnectivity issues and complex cloud-based identity management and user autantication, service interruptions with Virtual Machines (their host nodes) and associated virtual storage (Blobs, Tables, Queues).
• Worked on Azure Virtual Networks, Network Security Groups and access control rules, setup IPSec VPN between on-premises to Azure using Site-to-site VPN.
• Migrated client ASP.Net/SQL/DevExpress app that was hosted on-prem 3rd Party Server to Azure PaaS (App Service) from another web host. Created PowerShell scripts to perform DSC (Desired State Configuration) of IIS, .Net framework, alerting, reporting, monitoring and routine maintenance for domain resources.
• Used Jenkins for Continuous Integration and deployment into IIS, NodeJS, WebSphere Application Servers by building using PowerShell, MSBuild, ANT, Maven, NUnit, Fortify, SonarQube.
• Migrated out core repository from SUBVERSION to GIT. In this process I was involved in individually migrate all teh code base from subversion to GIT ensuring that health of teh builds isn’t effected. Performed high level merges of branches, code bases.
• Maintained Maven/Ant and streamlined teh entire build system. And managed build and release infrastructure, optimized build scripts and introduced a better way of releasing RPMs with effective tracking.
• Ruby/Bash scripts. Leveraged Docker Engine to run Multiple Tomcat Instances as Containerized App Servers. Upgrading teh Application as per Application team requirements, Scheduling jobs using crontab.
• Performed system administration activities using used NFS, NIS, DHCP, FTP, Send mail and Telnet for Linux. Supported Solaris/Linux servers in production/QA/ Development Environment, including Solaris Zone and RHEL VM's.
• Logged events from forced crash dumps and was involved in troubleshooting server issues. Managed shared NFS files system, mounting, unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting & stopping teh NFS services.
• Worked on configuration and administration of LVM as extending Logical Volume and Physical Volume Size. Worked on iLO and iDRAC setup and configuration.

Confidential - Austin, TX

Build & Release Engineer

Responsibilities:

• Managed SVN branching and merging for old projects in multiple releases. Configured Source Code Management tools with Bamboo and executed triggers in SVN. Maintained Source code in GIT and deployed to DEV, QA, UAT and PROD Environments.
• Wrote shell scripts to handle server processing Migrating applications from .Net to Python monitoring applications/servers performance. Performed unit tests and debugging Python applications reviewing and enhancing existing code, fix bugs and create system documentation.
• Merged generated reports based on request using UNIX Shell Scripts, Awk and SED. Monitoring teh servers using Nagios and providing 24x7 support on call rotation basis.
• Installed and configured IBM HTTP Server 8.x/7.x, WebSphere, Jboss, Tomcat and Apache Web Servers, configured plugin-cfg.xml file along with session management and virtual hosts with HTTP transports of Application Server instances and applications
• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control.
• Executed functional tests that identified performance issues at teh client level and worked with Ops team to improve teh end user experience.
• Modified teh existing ANT scripts to suit teh project requirements. Setting up Jenkins master, adding teh necessary plugins and adding more slaves to support scalability and agility.
• Installation/Activation of F5 Load balancers to configure routing logic, creation of new service pools, members, virtual servers and performance tuning of VMware servers, Virtual sessions and management of servers resources between Virtual Machines.
• Installed JON Agent and configured dashboards, alerts for JVM monitoring. Performance tuning included tuning teh existing heap values, DB Connection settings etc.

Confidential - Fort Washington, PA

Systems Administrator

Responsibilities:

• Provided support in fixing issues related to Linux, Solaris, HP-UX Installation and Maintenance of Hardware in Production and development Environment as an integral part of teh Unix/Linux Support team.
• Worked on installing and configuring VMware/ESX Servers for virtualizations. Supported Oracle RAC (Real Application Cluster) Servers running on Linux with GFS and Solaris with SFRAC.
• Experience in maintaining/tuning/upgrading Web logic/Web sphere/JBoss and Web based applications like Java & Tomcat/Apache.
• Creation and management of user accounts and groups according to teh security needs and adding teh packages and patches when needed and Permissions policy management and quota implementation.
• Installing, configuring and monitoring VERITAS Cluster Server (VCS) and Redhat Cluster Server in High Availability Environment. Installation and monitoring of Veritas Volume Manager, Veritas NetBackup and Veritas Cluster Server on SAN Environment.
• Implemented Backup and Restore by using procedures like Ufs dump, Ufs restore, Tar” and “Cpio”.
• Configured teh NIS, NIS+ and DNS on Red Hat Linux 5.1 and update NIS maps and Organize teh RHN Satellite Servers in combination with RHN Proxy Server.
• Used YUM Software manager for installing and configuring teh RPM Packages. Configured logical volumes using logical volume manager (LVM) and also configured mirroring.
• Automated jobs by developing custom scripts using Shell (bash, ksh). Defining and Develop plan for Change, Problem & Incident management Process based on ITIL.
• Formatted data into required format using UNIX Shell Scripts, SED and Awk. Networking communication skills and protocols such as TCP/IP, Telnet, FTP, NDM, SSH, rlogin.
• Extensive experience in Security Patching. Also coordinating with storage team and networking teams. Configured and installed HP-UX, Solaris and Redhat Linux Servers with teh help of Ignite, jumpstart and Kickstart.