KUMAR

© 785-***-****

ac11xd@r.postjobfree.com

PROFESSIONAL SUMMARY:

* ***** ** ********** ** IT Industry and hands on experience with AWS,SCM, DevOps and Build Release Management.

Certified AWS Developer and Solution Architect having experience with Automation, Configuration and Deploying on cloud environments and data centers.

Expertise in using all AWS Resources EC2 instances, S3 buckets, VPC, ELB, RDS, EMR, Lambda, Redshift, Elastic Bean Stalk and create Subnets, NAT and other security groups to configure Elastic IP and Elastic Storage.

Experienced in using Chef to install Workstation, Bootstrap Nodes, Writing Recipes and Cookbooks managing on-site applications services and packages using Chef and to automate deployment process and integrating them into Jenkins for the continuous delivery framework.

Expertise in Puppet installing Nginx, updating and removing packages and create custom puppet modules for bootstrapping new servers with required application dependencies and packages and creating modules and pushing them to Puppet Clients.

Expert in creating Jenkins CI Pipelines to automate all Build related tasks and installing various Jenkins Master and Slave nodes to configure multiple Jenkins jobs.

Implemented Infrastructure Automation through Ansible for Auto Provisioning, Code Deployments, Software Installations and Configuration Updates and as well as to automate repetitive tasks and deploy critical applications and proactively manage changes.

Implemented Terraform modules for deployment of various applications across multiple cloud providers and managing infrastructure.

Used Kubernetes to deploy scale, load balance and manage Docker containers with multiple namespace versions.

Used Docker to containerize custom web applications and deployed on Digital Ocean with Ubuntu instances through SWARM Cluster and automated application deployment in cloud using Docker HUB, Docker Swarm, and Vagrant.

Written MAVEN/ANT scripts for achieving end to end build process and to build deployable artifacts such as war, jar and ear from source code.

Extensive experience in LINUX/UNIX System Administration, RHEL, CENTOS, UBUNTU, WINDOWS, SOLARIS, SUSE, VMware, vSphere and with networking, support, installations, upgrades, patches, migration and troubleshooting.

Performed OS installations, OS Upgrades, and Server Patching by configuring PXE and DHCP server using Kickstart Configuration and by using Red Hat Satellite server.

Developed Python deployment scripts for Web Sphere, Web Application Server and for Automating Infrastructure.

Extensive Experience in using Source Code Management Systems such as GIT, SVN and using branching, merging, reporting and providing end user support.

Hands On experience in languages such as Python, Shell, Ruby, Perl.

TECHNICAL SKILLS

Cloud Technology

AWS, EC2, VPC, SNS, EBS, Cloud Watch, Cloud Trail, Vmware,

Configuration Management Tools

CHEF, PUPPET, ANSIBLE

CI/CD TOOLS

JENKINS, HUDSON, BAMBOO

CONTAINER TOOLS

DOCKER, KUBERNETES

MONITORING TOOLS

NAGIOS, SPLUNK

Version Control Tools

GIT,SVN,CVS, Bitbucket

Web Servers

Apache HTTP, Apache Tomcat, NGINX

Application Servers

JBoss, Weblogic, Websphere

Virtualization Technology

Vmware, Vmware Workstation, Vsphere, Oracle Virtualbox.

Scripting Languages

C, Shell, Ruby, Bash, Python, Linux, NodeJS, Powershell

OPERATING SYSTEMS

RHEL,UBUNTU,DEBIAN,UNIX, WINDOWSNT/2000/2003/XP/VISTA/7/8/10.

WORK EXPERIENCE

WELLS FARGO (INTERNSHIP)

DEVOPS/CLOUD ENGINEER

RESPONSIBILITIES:

Configured and administered AWS like EC2 instances, EBS volumes and snapshots, AMI's, Security Groups, Elastic IP's (EIP), Key pairs, Auto scaling, Elastic load balancing, AWS Cloud Formation and Amazon Cloud watch for different zones in development, testing and production environments and using JSON Templating language.

Used ELB, Auto Scaling policies for scalability, elasticity and availability and utilized S3 Data Pipeline to move data to AWS Redshift and application deployment and data migration on AWS Redshift.

Installed, configured and maintained DNS systems using Route53 and integrated applications with AWS Cloud storage using gateway with cached and stored volumes.

Employed lifecycle rules in S3 for maintaining backups and archiving data using Standard S3, S-1A and S3 Glacier and creating retention policies on S3 and configuring SNS Notifications.

Worked with Chef Enterprise Hosted as well as On-Premise, Installed Workstation, Bootstrapped Nodes, Wrote Recipes and Cookbooks and uploaded them to Chef-server, Managed On-site OS/Applications/Services/Packages using Chef as well as AWS for EC2/S3/Route53 & ELB with Chef Cookbooks.

Roll out Chef to all servers used Chef Node database to drive host configuration, DNS zones, monitoring, backups and used Chef and other configuration tools to deploy consistent infrastructure code across multiple environments.

Used Knife for Bootstrapping nodes, creating and uploading recipes, node convergence in Chef and developed Chef cookbooks to install and configure Apache Tomcat, Jenkins, and run deck and deployment automation.

Managed Ansible Playbooks with Ansible modules, implemented CD automation using Ansible, managing existing servers and automation of build/configuration of new servers and created inventory in Ansible for automating continuous deployment and written playbooks using YAML Scripting.

Excellent experience in documenting and automating the build and release process. Worked on Installation and Implementation of Ansible configuration management system and used to manage Web applications, Environments configuration Files, Users, Mount points, and Packages.

Expert in User management and Plugin management for Jenkins and Installed Jenkins on a Linux machine and created a Master and Slave configuration to implement multiple parallel builds through a build farm.

Extensively worked on, Jenkins for continuous integration and for End to End automation for all build and deployments and for creating CI Pipelines and later integrating Jenkins with other tools and created jobs that triggered when an artifact is pushed for deployments in DEV, QA and PROD Environments.

Used Kubernetes to deploy scale, load balance, and worked on Docker Engine, Docker HUB, Docker Images, Docker Compose for handling images for installations and domain configurations.

Used Docker to containerize custom web applications and deployed on Digital Ocean with Ubuntu instances through SWARM Cluster and automated application deployment in cloud using Docker HUB, Docker Swarm, and Vagrant.

Developed GRADLE, MAVEN Scripts to automate build processes and managed MAVEN Repository using Nexus Tool and used the same to share snapshots and releases.

Managed Maven project dependencies by creating Parent-child relationships between all projects.

Extensively worked on installation and configuration of RHEL 5/6, IBM AIX 5.X, WINDOWS 03/08 Servers on large distributed environment and responsible for build and deployment of applications into DEV, QA, PROD environments.

Experiences in Administration, Installation, Configuration, Tuning, Upgrading for Build and Release Automation.

Performed all necessary day-to-day GIT support for different projects and expert in creating branching strategies to maintain GIT repository.

Hands on experience in using Python and all related libraries and with (Py-Unit) and Wrote Python routines to log into the website and fetching data for selected options for the developing team and maintain build scripts written in Python.

Collaborated with different teams and was a part in implementing new tools and technologies for QA, PROD and DeV as well.

Environments: AWS (Cloud Watch, Cloud Trail, Route53, S3, EBS, VPC, RDS, EMR.) Azure, Chef, Jenkins, Gradle, Maven, GIT, Python.

THE HOME DEPOT – Chennai, Tamil Nadu (July 2012– July 2015)

LINUX/UNIX ADMINISTRATOR

RESPONSIBILITIES:

Handling the day-to-day Operations, installing software & plugins, apply patches, manage file systems, monitoring performance and troubleshoot alerts.

Performing variety of maintenance and end-user support to ensure that all workstations, servers and overall network performance meet the State's standards and requirements.

Installed new physical and virtual servers using VMware Virtual Centre and configure hardware, settings, directories, storage in accordance with standards and project / operational requirement and installed RHEL, Solaris and Windows servers.

Monitored, analyzed, and responded to security events utilizing security event management and reporting tools and worked on the account, user and group administration, Permissions policy management and quota implementation.

Coordinated with application team in installation, configuration and troubleshoot issues with Tomcat server.

Provide Windows/Unix/Linux administration network operating center (NOC) administration, LAN/WAN/VPN administration, VMware administration and intrusion detection and prevention (IDP) monitoring.

Building & configuring Redhat Linux systems over the network, implementing automated tasks through crontab, resolving tickets according to the priority basis.

Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, system processes, viewing system and application logs and verify completion of scheduled jobs.

Performed installation, configuration, and maintenance of web servers, application servers, and database servers on Linux server.

Provide Windows/Unix/Linux administration network operating center (NOC) administration, LAN/WAN/VPN administration, VMware administration and intrusion detection and prevention (IDP) monitoring.

Performed processes administration and management like monitoring, start/stop/kill various processes/sub processes.

Resolved system errors and crashes, disk space problems, huge file sizes, and file system full errors, firmware upgrade, managing servers, collecting Logs and troubleshooting.

Managed and maintained internet routers and switches, also implemented F5 Load Balancer to improve internet performance by increasing capacity and throughput.

Environment: Red Hat Linux (RHEL 4/5), Logical Volume Manager, Global File System, Red Hat Cluster Servers, Oracle, MySQL, DNS, NIS, NFS, Apache, Tomcat.

Environments: RHEL, Linux, Solaris, Oracle, Bash, MySQL, DHCP, NFS, Apache, DNS.

TATA CONSULTANCY SERVICES – Kolkata, West Bengal (Dec 2010- Jun 2012)

SYSTEM ADMINISTRATOR

RESPONSIBILITIES:

Responsible for Installation, configuration, Maintenance, Deployments, Update, Monitoring, performance tuning on Linux.

Planned, scheduled and implemented OS patches on Linux boxes as a part of proactive maintenance. Installation, up gradation and configuration of RedHat Linux and Windows 2000 servers.

Involved in creating new users, groups and setup their home directories and appropriate access restrictions to software and directories & files.

Performance Monitoring & System tuning and managing Virtual Memory and swap space on Linux Servers and writing Shell Scripts to run jobs.

The configuration of DNS, APACHE, MAIL, DHCP & FTP Servers in Solaris.

Implementing Raid levels and changing Boot PROM values according to requirement

Configuring modems & printers.

Documenting the configurations, changes made on any part of System and Network.

Involved in Backup of data on DAT tape drive, security, performance, and availability of system and network.

Configuring Windows Machines in Work Group Environment

Create system images with Norton ghost.

Involved in user account Administration.

Installed and configured Patches and Packages.

Performance Monitoring & System tuning.

Involved in managing local disk devices.

Responsible for configuring real time backup of web servers.

The log file was managed for troubleshooting and resolving errors.

Responsible for reviewing all open tickets, resolve and close any existing tickets.

Documented solutions for any issues that have not been discovered previously

Worked with the boot and executing Boot Prom.

Involved in documenting of Linux and Windows environment and configuration details.

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