raj kumar

Email: acy58b@r.postjobfree.com

Contact: 732-***-****

Personal Synopsis:

Over 8 years of experience as a DevOps Engineer/ Cloud Engineer in application configurations, code compilation, packaging, building, automating, managing and releasing code from one environment to other environment and deploying to servers.

Thorough knowledge of Infrastructure & Configuration Management tools like Puppet and Chef.

Expert in improving continuous integration workflow, project testing, and deployments with Jenkins. Implemented code coverage and unit test plug-ins with Maven in Jenkins. Experienced in using build automation tools like ANT, Bamboo and Gradle.

Strong hands on development and configuration experience with software provisioning tools like Chef, Puppet.

Expertise in using build tools like MAVEN and ANT for the building of deployable artifacts such as war & ear from source code.

Experienced in Cloud automation using AWS Cloud Formation templates.

Experience with CI (Continuous Integration) and CD (Continuous Deployment) methodologies using Jenkins/ Hudson.

Experience in using Version Control Tools VSS, Sub-Version, Git, perforce. Good experience in automating deployment pipelines.

Experienced in build tools such as Apache Ant, Maven.

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.

Experienced in AWS cloud, Linux, Infrastructure Design & Implementation, identifying bottlenecks and optimizing the software architecture, Configuration Management, Vulnerability Assessment & Penetration Testing, Vagrant, Information Security, and Networking Platform. And also responsible for resilient infrastructure.

Build servers using AWS: Importing volumes, launching EC2, RDS, creating security groups, auto-scaling, load balancers (ELBs) in the defined virtual private connection.

Managed servers on Amazon Web Services (AWS) platform using Puppet configuration management.

Automated processes with custom built Python,Perl & Shell scripts.

Experience in Administration/Maintenance of Source Control Management Systems such as Git and Sub Version (SVN). Created tags and branches, fixed merge issues and administered software repositories.

Experience in Performance tuning, garbage management and memory leaks, networking and information security, IO monitoring and analysis.

Achieved disaster recovery implementations and participated in 24/7 on-call rotation policy with other team members.

Deployed Azure services for a hybrid based authorization and encryption system.

Responsible for all AD, IIS, SQL, Load Balancing, NSG's, and VPN configurations for Azure.

Designed puppet modules to manage configurations and automate install process.

Ability to lead technical discussions and projects with Atlassian products like JIRA and Confluence.

Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.

Architected and designed Rapid deployment method using Chef and Ansible to auto deploy servers as needed. Well versed with Software development (SDLC), Test life cycle (STLC), and Bug life cycle and worked with testing methodologies like waterfall and agile methodology (SCRUM) with in-depth understanding of the principles and best practices of Software Configuration Management (SCM).

Extensively worked on Hudson, Jenkins and Anthill Pro for continuous integration (CI) and for End-to-End automation for all build and deployments.

Worked on Cloud automation using AWS Cloud Formation templates.

Experience in scripting languages Ruby, Shell, Groovy and Python.

Experience of VS Build Pro, Apache Ant, Apache Tomcat, Subversion, Git,clear case Maven & Jenkins/ Hudson.

Experienced in build tools such as Apache Ant, Maven, Atlassian, Bamboo, Cruise Control.

Ability in execution of XML, Ant Scripts, Ruby, Shell Scripts, Perl Scripts, Power Shell scripts and JAVA Scripts.

Used chef for server provisioning and infrastructure automation in a SaaS environment.

Troubleshooted and resolved Build failures due to infrastructure issues reduced by 95% stabilizing the build process. Setup and executed process to code review system effectively.

Experience in working with Tracking Tools like JIRA, Red Mine, and Bugzilla.

Experience in Deploying Jboss, Apache Tomcat web server, IIS Server, Oracle web logic, and IBM WebSphere.

Technical skills:

OPERATING SYSTEMS

WINDOWS 98/2000/NT/XP/VISTA, WINDOWS 8.1, MAC OS, ANDROID

CLOUD SERVICES

AWS (EC2/SQS/SNS/S3/IAM/ELB)

CONFIGURATION MANAGEMENT TOOLS

PUPPET AND CHEF

PROGRAMMING LANGUAGE

C, C++, SAS, SQL, CORE JAVA,.NET

AUTOMATION TEST TOOLS

QUALITY CENTER(QC), SELENIUM, JUNIT

DEFECT TRACKING TOOLS

JIRA, HP ALM/QUALITY CENTER, BUGZILLA, REDMINE, JUNIT,, TEST FLIGHT, TEST RAIL

INTERNET TECHNOLOGIES

HTML, XML, SOAP, WSDL

MODELING TOOLS

AUTOCAD, CAD/CAM (SOLID WORKS, ANSYS), ARENA SIMULATION

STATISTICAL ANALYSIS

JMP, MATLAB, MINITAB

SCM TOOL

SUBVERSION, GIT,TORTOISE SVN,PERFORCE, CLEAR CASE

BUILD TOOL

ANT, MAVEN, BAMBOO

CI TOOLS

JENKINS/HUDSON, ANTHILL PRO,BUILD FORGE

PROJECT MANAGEMENT TOOLS

BASE CAMP, MS PROJECT, ATLASSIAN TOOLS, DEMANDWARE

SDLC

AGILE, SCRUM, WATERFALL

SERVERS

JBOSS, APACHE TOMCAT, INTELLIJ IDEA, ORACLE WEB LOGIC, IBM WEB SPHERE, IIS SERVER

IDE

ECLIPSE2.3, RATIONAL APPLICATION DEVELOPER7.0, MS VISUAL STUDIO

SCRIPTS & LANGUAGES

SHELL SCRIPT, ANT SCRIPT, BATCH SCRIPT, PERL SCRIPT, POWER SHELL SCRIPT, C, C+, OBJECTIVE C, PYTHON, JAVA, J2EE

DATABASE SYSTEMS

SQL SERVER 2000/2005/2008, ORACLE 9I/10G-PL/SQL, MS ACCESS, DB2

PLATFORMS

UNIX, LINUX 4/5, UBUNTU, FEDORA, WINDOWS 98/NT/XP/VISTA/7/8, IOS

OTHERS

MS OUTLOOK, INFORMATICA, POWER CENTER, BUSINESS OBJECTS.

Professional Experience:

Client; United Nations, NYC, NY Feb 2015 - Present

Sr. DevOps Engineer

Responsibilities:

Extensively worked on automating infrastructure in AWS using amazon web services, deploying through puppet to completely provision and manage AWS EC2 instances, volumes, DNS, and S3.

Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure.

Build Automation and Build Pipe Development using Jenkins and Maven.

Worked on Cloud automation using AWS Cloud Formation templates.

Worked on migration from Datacenter to AWS.

Working for DevOps Platform team responsible for specialization areas related to Chef for Cloud Automation.

Implemented rapid-provisioning and life-cycle management for Ubuntu Linux using Amazon EC2, Chef, and custom Ruby/Bash scripts.

Experienced network based services including DNS, Syslog, NTP, SSH. Utilized Netstat, Dig, TraceRoute, Nmap, iPerf, Rsync.

Launching and configuring of Amazon EC2 (AWS) Cloud Servers using AMI's (Linux/Ubuntu) and configuring the servers for specified applications.

Build application and database servers using AWS EC2 and create AMIs as well as use RDS for Oracle DB.

Accumulated application and system logs into LogStash for centralized monitoring, querying and reporting.

Created continuous integration system using SVN, Ant, Jenkins, chef, Puppet full automation

Designed, Installed and Implemented Ansible configuration management system.

Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points and Packages.

Maintained high availability clustered and standalone server environments and refined automation components with scripting and configuration management (Ansible) .

Integrated Build Process through Jenkins to various SCM tools like GitHub, Clear case..

Using more than 20 AWS services like EC2, VPC, S3, ELB, Route53, SES, SNS, RDS, and Cloud Front Elastic Cache Cloud Watch etc.

Setup monitoring and alerting mechanisms for AWS and private data center infrastructure.

Integrated Puppet with Amazon AWS to orchestrate the provision of EC2 via puppet servers.

Created continuous integration system using ANT, Jenkins, Puppet full automation, Continuous Integration, faster and flawless deployments.

Created Continuous Build Process using Hudson/Jenkins as Continuous integration tool.

Maintain and track inventory using Udeploy and set alerts when the servers are full and need attention.

Using ANT, Puppet/ Chef Scripts with Ivy to build the application and deploy.

Used configuration management tools Chef, Puppet, and CF Engine

Worked on Managing the Private Cloud Environment using Chef.

Automated the local dev environment using Vagrant/chef-solo.

Perform daily system monitoring, verifying the integrity and availability of all hardware, server resources, systems and key processes, reviewing system and application logs, and verifying completion of scheduled jobs such as backups.

Deployed Mcollective server and clients for server maintenance.

Worked with Database administrators to tune kernel for Oracle installations.

Familiar with working algorithm of CI through Jenkins.

Expertise in scripting for automation, and monitoring using Shell, Python & Perl scripts.

Setup Nagios for monitoring the infrastructure; also used Nagios Handlers, which acts on the service status with pre-defined steps/scripts.

Environment: AWS, AWS EC2, Allusion Harvest, CVSNT, Chef 14.x, Redhat 6.x/5.x, VMware, VSphere, vMotion, Mcollective, Oracle DB, AWS EC2, ANT, DNS, S3, SCM, AWS, Jenkins, GitHub, SVN, Puppet 6.x.

Client: Barclays, Wilmington, DE June 2013 - Jan 2015

DevOps Engineer

Responsibilities:

Established and administrating TFS (Team Foundation server) for new generation products developed in Java environment.

Designed, Installed and Implemented Ansible configuration management system.

Used Ansible to manage Web applications, Environments configuration Files, Users, Mount points and Packages.

Promoting CI/CD culture collaborating with Development, DBA, QA, Support and Business Operations.

Responsible for all Team Foundation Server and SharePoint administration activities, Installation, Configuration, Migration, Troubleshooting and Training.

Setup TFS build environments and a variety of CM specific environments for UAT, QA, Dev, Prod and DR. And creating and maintaining build scripts using Team Build.

Performed migration of Team Foundation Server environment to a centralized location using Hyper-V, Virtual Machine Manager and TFS Lab Management that includes Team Explorer Everywhere for migration.

Maintained high availability clustered and standalone server environments and refined automation components with scripting and configuration management (Ansible) .

Managing GIT for legacy products also automated the weekly deployments with Jenkins and maintaining Maven's pom.xml scripts.

Deploy production packages to web servers and application servers according to business needs and manage cluster of app servers and monitoring its performance periodically.

Handling admin tasks in Linux OS such as server restart, application installation setting up monitoring dashboards for appserver.

Used JIRA custom workflows to track issues and Jboss app server to deploy the application.

Performing server’s health checks on daily basis, by logging into UNIX system and monitoring logs, and processes.

Worked on installation of Docker using Docker toolbox.

Worked on creation of custom Docker container images, tagging and pushing the images.

Worked on creating the Docker containers and Docker consoles for managing the application life cycle.

Participate in multiple projects architectures and strategic decisions meetings to architect the new software systems or modify the existing ones.

Provide architectural consultation to solution and application architects utilizing best practices, design patterns and standards for designing Build, Design and Support Cisco Cloud architecture environment using Open stack.

Develop knowledge of all architectures of engineering applications and help document them for business analysis for future projects.

Configure and build Open stack Havana, Icehouse using Ansible and Puppet scripts.

Configure and Maintain ceph storage using C USC servers.

Configuring and implemented an OpenStack SDN infrastructure to enable massive dynamic scaling of compute and storage resources.

Configuring and implemented OpenStack Nova to provision virtual machines on KVM for compute.

Configuring and implemented OpenStack Glance using Ceph as a backend storage.

Designed and implemented OpenStack Horizon.

Designed and implemented OpenStack Keystone to provide unified authentication between OpenStack Nova, Swift and Glance APIs using IDM solution, ldap and hybrid drivers.

Designed and implemented the Open stack Neutron API with the SDN controller application to create a virtual network overlay on the Cisco Nexus 5000, 7000 and 9000 switches.

Designed and implemented OpenStack Cinder to provide block storage.

Periodically working on LSI and CMIC code upgrades for cloud infrastructure

Maintaining scripts for trial Project cleanup for open stack resources cleanup.

Working on Products like Cloud Cruiser and PPM.

Maintaining GIT repos and Jenkins for builds.

Migrating l3 networks, routers and VM's across compute nodes and Network nodes.

Working on monitoring tools like Nagios and Zabbix

Configuring Ha-proxy and Keep Alive.

Environment: Amazon EC2, Amazon S3, Elastic Block Storage{EBS}, Elastic Load Balancer{EBL}, Snapshots, Amazon RDS, Auto Scaling, Cloud Front, Cloud Watch, Cloud Trail, Amazon VPC, Route 53, Elastic Beanstalk, Elastic IP, IAM, Amazon Machine Image{AMI}, NAT Instance, Security Groups, NACLs, Glacier, RRS, SWF, AWS CLI.

client: Univar, Redmond, WA Nov 2012 - May 2013

Linux Engineer/CLOUD ENGINEER

Responsibilities:

Installing and upgrading Redhat Linux on HP x86 and Itanium Servers and Solaris on Sun SPARC, HP DL 380 G 4, 5, 6 and 7 & Dell Power Edge servers.

Installing and maintaining Solaris Jumpstart environment and Redhat Kickstart environment.

Involved in application deployments in java using Anthill pro 4.x and 5.x component from development to production environment.

Used Openstack and AWS cloud services to launch Linux and windows machines, created security groups and written basic PowerShell scripts to take backups and mount network shared drives.

Worked on AWS service to create, launch, configure EC2 instance, worked on S3, RDS, Auto Scaling, SES, SQS, and VPC, to build given architectures.

Used puppet and Chef Automation tools for configuration management.

Implemented Puppet modules to automate configuration of a broad range of services

Responsible for supporting and maintaining Openstack in a production environment.

Creating sparse root and whole root zones and administered the zones for Web, Application and Database servers and worked on SMF on Solaris 10.

Used HP Service center and Remedy change management system for ticketing.

Troubleshooting and performance tuning issues with applications like Oracle 10g, Jboss 4.x, WebLogic 10, MQSeries 6.x and the operating systems which included Solaris and RHEL.

Worked on the administration of the Apache, Jboss 4.2.2 servers including installation and deployments.

Experience in building customized RPM packages.

Shell scripting to automate the regular tasks like removing core files, taking backups of important files, file transfers among servers.

Experience in writing scripts in Ruby and Python for automation.

Used Sun Volume Manager for Solaris and LVM on Linux to create volumes with layouts like RAID 1, 5, 10, 51.

Experience in NAS environment carrying Netapp filers and EMC Celerras.

Experience managing SAN disks like EMC Clarions and VMAX using EMC Power path and Volume management software.

Experience working with GIT and LDAP.

Worked with VERITAS Foundation Suite 5 and performed tasks like creating disk groups, volumes, initializing disks, replacing failed disks etc.

Implemented HA using VERITAS Cluster Server 5.0 for Apache gent and Ldom.

Installed, configured and administrated a multiple number of virtualization environments which includes LDOM, Zone and Hardware Domain etc.

Implemented and administered VMware ESX for running the Windows, Redhat Linux Servers on development and test servers.

Installed and upgraded VMware vSphere ESXi 5.0/4.1/4.0 and ESX server 4.1/4/3.5.

Configured VMware HA, VMware DRS in acquiring higher efficiency for VMware Infrastructure.

Installation, configuration and troubleshooting of Redhat, Ubuntu on various hardware platforms on Amazon AWS cloud services.

Implemented the monitoring tools like Nagios 3.0 to monitor services like CPU, Disk-spaces, Memory, process counts, Users, http, SSH etc.

Experience Installing and configuring Splunk to gather stats/logs on the servers.

Documenting all the processes for above, issues caused and its solutions in timely manner.

Environment: Redhat, Solaris, Sun SPARC HP DL 380 G 4,5,6,7, Dell Power Edge servers, Kickstart, PowerShell, Open stack, SMF, Oracle 10g, Jboss 4.x, WebLogic 10, MQSeries 6.x, Jboss 4.2.2, Ruby, Python, LVM, RAID, Veritas, GIT, LDAP, VMware, VSphere ESXi 5.0.

client: WINIT Software Pvt Ltd- Hyderabad, India Apr 2010- Oct 2012

Linux Administrator

Responsibilities:

Installation, Configuration, Maintenance and Development of about 250+ Linux Servers (Mix of Ubuntu, CentOS and Red Hat-RHEL

Setup, create, clone and configure the virtual servers using VMware vSphere Client 5.1.

Design, Configuration, Administration and Development of LAMP (Linux Apache MYSQL PHP) based architecture and other open source applications.

Create and configure guest virtual machines using VMware.

Assisted the team and played a key role in Datacenter migration up to cloud infrastructure (IaaS

Worked on creating, configuring and administration of the filesystems (ext3/OCFS2) using Logical Volume Management LVM.

Deploy, configure and manage Linux instances in Amazon Cloud/EC2 environment.

Worked with job scheduling tools crontab and autosys.

Hands-on experience in managing post-install configuration using the tools like puppet, landscape.

Follow Change Management process prior to making any changes to production systems.

Provided L3 support for infrastructure, incident management and Network teams by helping in problem solving and troubleshooting issues.

Actively participated in day-day NOC activities and 24x7 on-call rotation.

Configuration and administration on standard UNIX services like SSH, FTP, NFS, DNS, LDAP, SSL and SUDO.

monitor and check the status of the servers using the monitoring tools like c

Worked in developing and making changes in UNIX scripting languages (PHP, Bash, and Korn

Worked efficiently in resolving issues, tasks and production changes through Service now ticketing system.

Worked with networking team in understanding the limitations of firewall, domain controllers, load balancers and switches.

Environment: Red Hat Enterprise Linux (RHEL 6), Ubuntu server 64-bit, Centos, HP Servers (BL 360/380), Dell Power edge R series, VMware ESXI 4.1/5.1, Apache 2.2, EMC Clariion CX4, MySQL, PHP, F5 load balancer

client: Intelex Systems, Hyderabad, India

Systems and Network Engineer Aug 09–Mar 2010

Administered and supported application servers, responsibilities included troubleshooting and monitoring servers using Nagios.

Configured local file system storage to create partitions and volumes.

Involved in deploying and supporting patch management, updating services and software installation.

Experience with Yum package installations and patching software.

Provided support for creating user accounts, security privileges for specific users and process monitoring in Ubuntu and Redhat Linux.

Monitored system performance statistics like storage, CPU utilization and network bandwidth utilization.

Documented system logs and error reports.

Environment: Ubuntu and Redhat Linux

Educational Details :

Bacholer from Computer Science in 2009.

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