SUMMARY

• Over 3 and a half years of IT industry experience as Cloud Engineer, DevOps Engineer of various applications on Red Hat Enterprise Linux, CentOS, Debian, Ubuntu and skilled with Windows Server 2008 - r2/2012-r2 on various hardware platforms and AWS cloud.
• Hands-on experience with Cloud formation templates, terraform for replicating entire infrastructure in case of AWS region outages using AWS Lambda to trigger objects migration from S3 to PostgreSQL database in AWS.
• Experience in containerization implementation and orchestration using Docker and Kubernetes for microservice-based applications and well experienced in using Docker and setting up ELK with Docker.
• Experienced in setting up various Jenkins jobs to pull the code from the GitHub repository to build Docker images dynamically using Docker file and pushing it to Docker private registry.
• Installed and managed Middleware tools through Puppet such as WebSphere Application Server 7.x/8.x, JBOSS GA7/EAP6, IBM IHS, Apache, Tomcat, Active MQ and other web-oriented applications as necessary.
• Experience in Ansible as a Configuration Management tool, to automate the repetitive tasks for quickly deploying applications and managed the changes.
• Experienced in installation, configuration and management of RDBMS and NoSQL tools such as SQL Server 2008/2012/2014 , MySQL, DB2, PostgreSQL, MongoDB, and Cassandra, conducted performance testing of Apache and Tomcat management services
• Experience regarding design, implement & troubleshoot issues related to VMware Distributed Resource Scheduling, High Availability, Enhanced VMotion, ESXi Host Profiles, vNetwork Distributed Switch and VMware Fault Tolerance.
• Experience in Debugging APIs using Splunk logs and made performance analysis through AppDynamics and Nagios for Resource Monitoring/Network Monitoring/Log Trace Monitoring.
• Hands-on experience with version control repositories like GIT, SVN, and managed plugins for Jenkins for scheduled automatic code checkout.
• Experience in deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for WebSphere Application Server and expertise in setting up security for single sign-on and SSL.
• Expert in configuring numerous concepts in LINUX/UNIX such as User, Group, SWAP, LVM, Cron Jobs, SUDO, Backup and Restore, YUM, RPM, Managing Services, Processes Kickstart, and RHEL KVM, Cluster Service, and RHEL Satellite.
• Experience in Implementing various Network services such as LDAP, NFS, NIS, DNS and Sendmail in RedHat Linux. configuration and troubleshooting of NAS, SAN mounts on Solaris and Linux Servers.

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TECHNICAL SKILLS

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DevOps: ­Jenkins, Maven

­­Cloud Platforms: ­Amazon Web Services, Microsoft Azure

­­Operating systems: ­RHEL/CentOS 5.x/6.x/7, Windows Server 2003/2008/2012

­­Virtualization/Containers: ­VMWare ESXi 6, 5.5, vCenter, Docker, Kubernetes

­­Version Control: ­Nexus, Bitbucket, GIT, SVN, TFS

­­Web /Application Servers: ­Tomcat, Apache, JBoss, WebSphere

­­Configuration Management: ­Chef, Ansible, Terraform

­­Bug Tracking Tools: ­JIRA

PROFESSIONAL EXPERIENCE

Confidential

Cloud/DevOps Engineer

Responsibilities:

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• Defined AWS Security Groups, which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances. Worked on Multiple AWS instances, set the security groups, Elastic Load Balancer, and AMIs, auto-scaling to design cost-effective, fault-tolerant and highly available systems.
• Deployed Different kinds of AWS storage gateways for moving the on-premise data to AWS and utilize various services like S3, Glacier, EBS volumes.
• Used Amazon Web Services (AWS) console and AWS CLI to launch and manage VM's with Public/Private subnet and set up load balancing, security groups, etc. Created Cloud Formation templates and deployed AWS resources like EC2, Auto-scaling, EBS, S3.
• Installed, configured and managed the Ansible Configuration Management Tool and manage the configurations of multiple servers using Ansible.
• Implemented Jenkins jobs to create Azure Infrastructure from GitHub repositories containing Terraform code and created on-premises active directory authentication using automation with ansible play books.
• Worked with Docker Management platform, leveraged Custom Docker Images as Containerized Apps within the Docker Engine as Multi Stack Application like LAMP.
• Day to day activities like building and deploying code in different environments like DEV, SIT, UTA, Pre-Prod and Prod using Jenkins, Docker, Kubernetes and Ansible.
• Used Docker for packaging applications and designed the entire cycle of application development and used Virtualized Platforms for Deployment of containerization of multiple apps. Deployed Docker Engines in Virtualized platforms for the containerization of multiple apps.
• Involved in continuous integration and continuous deployment system with Jenkins on Google's Kubernetes container environment, utilizing Kubernetes and Docker for the runtime environment for the system to build and test and deploy.
• Installed and set up Nagios monitoring system on a dedicated Amazon EC2 server, developed several custom plugins for monitoring availability and performance of AWS EC2 instances, integrating Pingdom checks, monitoring MySQL databases and results of the execution of certain queries, etc.
• Managed and installed Monitoring Tools like Nagios, Cloud Watch, Splunk to monitor the logfiles, Network Monitoring, Log trace monitoring, and the hard drive status.
• Involved in data center migration - planning, designing, moving servers to a new data center, troubleshooting issues with various data center, network, and application and storage teams.

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Confidential

Build and Release Engineer

Responsibilities:

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• ­Configured and maintained GIT source code tool and created branches, tags and merging in GIT repository. Configured Jenkins as Continuous Integration server, build jobs to provide continuous automated builds from GIT and performed periodic schedules.
• Implemented continuous integration practices with Jira, Jenkins and continuous deployment pipeline using Shell Scripts and Jenkins. Used Maven as a build tool on Java applications for the development of build artifacts on the source code.
• Updated and managed Maven build configurations and Performed integrated tests and managed GIT branching and merging for older projects in multiple releases. Stored the artifacts on Nexus repository for Maven artifacts and dependencies, used Jira as a ticketing tool.
• Configured JBOSS ON including inventory, Administration and Monitoring Modules for identifying and cataloging Middleware assets and monitor status, memory and disk usage of JBOSS Applications.
• Deployed EAR, WAR, JAR files in JBOSS application server using Maven and ANT script. Configured clustering, load-balancing and failover on JBOSS 7.x application server, performance-tuned and monitored the same.
• Worked with different applications and application servers, deployed the artifacts to Tomcat web server and WebSphere application servers, IIS.
• Scheduled Cron jobs using sh and bash, written bash scripts for automated backups.
• Deployed the build artifacts into environments like QA, UAT according to the build life cycle.
• Installed, configured RedHat Enterprise LINUX 5.x, managed users, groups, permissions, system settings and configured messaging notifications.
• Used Jira with Maven release plugin for defects and bug tracking.
• Used Nagios for monitoring web applications, web services, URL monitoring, content monitoring, and HTTP status.
• Coordinated in end-end release process from the planning of release content to deployment and production.

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Confidential

Jr. Linux Administrator

Responsibilities:

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• Involved with the installation of patches and packages using RPM and YUM in Red hat Linux, created and modified application related objects, created profiles, users, roles and maintained system.
• Extensively worked with the LAN/WAN, firewalls and routing for Internet and Intranet connectivity using different protocols like TCP/IP, DHCP, HTTP/s, FTP, SMTP & SSH.
• Responsible for configuring networking concepts like NIS, NFS, SAMBA, LDAP, SSH, SFTP, SNMP, DNS, DHCP troubleshooting network problems such as TCP/IP supporting users in solving their problems.
• Responsible for configuring and connection to SSH through SSH clients like putty and Cyber duck and Password-less setup and agent-forwarding done for SSH login using SSH-Keygen tool.
• Worked with Red hat Linux tools like RPM to install packages for Red hat Linux Server and managed virtualized OS, used LVM for the managements of logical volumes including the creation of physical volumes and volume groups in Linux.
• Troubleshooting network administration, IIS configuration, DNS setup and modifications, firewall rule sets, local and distributed director, connectivity, and supporting applications.
• Installed and configured Apache Web-servers like Http and Nginx (proxy server) and troubleshoot problems arising from Apache functionality.
• Maintaining and troubleshooting VCS for failover and redundancy manage network systems and equipment Cisco Routers, Linux based routers, and firewall.
• Experienced in Security Hardening Firewall/SElinux major Production Servers and compiling, building and installing webserver tools.
• Experience in DNS, DHCP, and IP addressing, administering Active Directory and group policies. Configured Bonding in Linux, IPMP in Solaris and Ether-channel in AIX to provide network interface redundancy.
• Maintaining security groups assigned to Production and Test Linux Servers, transferred files across the systems on the network using ftp and scp commands.

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