SUMMARY

• Over 8 years of experience in IT industry wif major focus on AWS Cloud/DevOps, Continuous Integration and Continuous Delivery (CI/CD pipeline), Build and Release management, Linux/Windows administration and support.
• Experience working in a DevOps Environment as a DevOps engineer on various technologies and applications like Puppet, Chef, Git, SVN, Jenkins, Docker, AWS, ANT, Maven.
• Hands on experience in Configuration Management policies and practices wif regards to software development life cycle (SDLC) along wif automation of scripting using BASH, Shell, PowerShell, Perl, Python scripting.
• Experience in branching, tagging and maintaining teh version across teh environments using SCM tools like Subversion (SVN), CVS and Git on Unix and Windows environment on standalone and VM’s.
• Developed Chef cookbooks, recipes, roles and databags to automate teh services related to deployment.
• Expertise in Setting up Linux servers wif JBoss, Apache, JDK 1.7, JIRA, Bamboo, Stash. I also support other groups wif products on Linux servers.
• Implemented detailed systems and services monitoring using Nagios and Zabbix services AWS cloud resources.
• Implemented LDAP integration to filter teh security for teh Prod, Dev and Test environment for Deployment jobs in Jenkins.
• Extensive working experience and noledge wif broad range of AWS Cloud Services like EC2, ELB, Auto Scaling, VPC, Route53, RDS, S3, IAM, SNS, SQS, Dynamo DB, Elastic search, Elastic File system (EFS), Cloud Foundry, CloudWatch, Cloud Trail, Lambda, Service Catalog, Kinesis, Redshift Cluster, OpsWorks and in Cloud Security (OAuth2 and SAML) and good noledge on Amazon kinesis firehose.
• Experience in automating large - scale deployments wif software configuration management (CM) tools (Chef, Puppet, Ansible etc)
• Involved in teh installation and configuration of Nginx as a web server. Experience in configuring network services such as DNS, NFS, SMTP, NTP, DHCP, LDAP, FTP, SSH.
• Build and configure a virtual data centers in teh Amazon Web Services cloud to support Enterprise Data Warehouse hosting including Virtual Private Cloud (VPC), Public and Private Subnets, Security Groups, Route Tables, Elastic Load Balancer.
• Defined several terraform modules such as compute, Network, Operations, Users to reuse in different environments.
• Automated teh cloud deployments using chef, python (boto & fabric) and AWS Cloud Formation Templates.
• Experience in databases like Oracle 10i/9i/8i, PL/SQL, SQL Developer and MYSQL.
• Good understanding of other cloud technologies like Microsoft Azure, Google Cloud Platform, and OpenStack.
• Involved in designing WebSphere Application Server, JBoss, WebLogic features like High Availability, Load Balancing and Work Load Management.
• Integrated Docker into various infrastructure tools, including Ansible, Puppet, and VMware vSphere Integrated Containers. noledge of utilizing cloud technologies including Amazon Web Services (AWS), Microsoft Azure and Pivotal Cloud Foundry (PCF).
• Experience in writing Power shell script to do Patching, Imaging and Deployments in Azure.
• Worked in automation, setup and administration of build and deployment CI/CD tools such as Jenkins, Anthill Pro and UDeploy/Ucode and integrated wif Build Automation tools like ANT, Maven, Gradle and other Atlassian products- Bamboo, JIRA, BitBucket for building of deployable artifacts (JAR, WAR & EAR, and DLL & EXE) from source code.
• Experience wif configuring and working on Docker and Writing Chef recipes using Ruby.
• Used Kubernetes to deploy scale, load balance, scale and manage Docker containers wif multiple namespace versions.
• Created REST API to store, update, read and delete bucket information on Consul using Kubernetes interfaces.
• Experience in experience on application server maintenance and J2EE application deployment in application servers like Apache, Tomcat, IBM Web Sphere, and Oracle Web Logic.
• Monitoring teh servers using tools like BMC and Nagios and providing 24x7 on call support rotation basis.

TECHNICAL SKILLS:

Operating Systems: Ubuntu 12/13/14, Linux (Red Hat 4/5/6/7, CENTOS & SUSE), Solaris 11/10/9/8, HP-UX 11.0, 11.11, 11.23, 11.31, IBM AIX (4.3/5.x/6.x/7.x), HPUX11i V1, V2 & V3, SLES 8, 9, 10, 11 & 12, Windows NT /2000/2003, DEBIAN, Mac OSx

Application Servers: Web Logic Application Server 9.x, 10.x, JBOSS 4.22.GA, Apache Tomcat 5.x/7.x, Red Hat WebSphere 6.x/7.x/8.x

Web Servers: Tomcat, APACHE 2.x, 3.x, JBoss 4.x/5.x, Web Logic (8/9/10) & Web Sphere 4.0/5.0

Backup Management: Veritas NetBackup 4.x/5.x/6.x, Ufsdump, Ufsrestore, Tivoli, Symantec NetBackup 7.x

Clusters: VERITAS Clusters, HACMP (High Availability)

Storage: EBS, AWS S3, Glacier, EMC Clariion CX series, NetApp.

Cloud Environments: AWS, AZURE, Cloud Formation, Terraform

SCM Tools: Git, Subversion SVN, TFS, CVS, Bitbucket, Perforce

CI/CD & Build Tools: Jenkins, Anthill Pro, uDeploy, Maven, ANT, Gradle

Automation & container Tools: Chef, Puppet, Ansible, Kubernetes, Docker, Kickstart, Jumpstart

Monitoring Tools: Nagios, Splunk, Zabbix, Cloudwatch, Newrelic, Sensu, ELK (Elasticsearch, Logstash, Kibana), JIRA

Networking/Protocol: TCP/IP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, WAN, SMTP, LAN, FTP/TFTP

Virtualization: VMware ESXi, Windows Hyper-V, Power VM, Virtual box, Citrix Xen, KVM

Scripting: Perl, Python, YAML, Ruby, PHP, Bourne, Korn and Bash Shell scripting, PowerShell.

PROFESSIONAL EXPERIENCE

Confidential, Woonsocket, RI

Senior DevOps/AWS Engineer

Responsibilities:

• As a AWS Cloud DevOps Engineer, I is responsible for taking care of day to day build and release activities. These activities include build issues, deployment issues for multiple releases like maintenance release, enhancement release, bug fixes, emergency releases.
• Developed Templates for AWS infrastructure as a code using Terraform to build staging and production environments.
• Worked on AWS Cloud Formation templates to create custom-sized VPC, subnets, EC2 instances, ELB, security groups.
• Terminate SSL on to Nginx to remove overhead on API servers.
• Worked on tagging standard for proper identification and ownership of EC2 instances and other AWS Services like Cloud Front, CloudWatch, OpsWorks, RDS, ELB, EBS, S3, glacier, Route53, SNS, SQS, KMS, Cloud Trail, IAM.
• Experience in setting up CI/CD pipeline integrating various tools wif CloudBees Jenkins to build and run terraform jobs to create infrastructure in AWS.
• AWS EC2, VPC, S3, SNS, Redshift, EMR based infrastructure automation through Terraform, Chef, Python, Bash Scripts and Managing security groups on AWS and custom monitoring using CloudWatch
• Deployed and configured Git repositories wif branching, forks, tagging, and notifications. Experienced and proficient deploying and administering GitHub
• Implementing infrastructure on new AWS systems and migration of existing Linux and Windows based Infrastructure to AWS and Azure Cloud plat forms and automated using Terraform Templates
• Design and develop continuous deployment(CD) pipeline, integrating Test-Kitchen, Vagrant, Git, Jenkins and Chef across geographically separated hosting zones in AWS, Azure and Google compute.
• Installed Pivotal Cloud Foundry (PCF) on EC2 to manage teh containers created by PCF. Used Docker to virtualize deployment containers and push teh code to EC2 cloud using PCF.
• Have good Knowledge of Databags, ohai plugin, Chef supermarket, provisioning concepts and all various cookbook components like attributes, definitions, files, libraries, recipes, resources & templates.
• Automation of Azure infrastructure via Cloud-Formation Templates and Jenkins software and services configuration via Chef cookbooks.
• Worked wif Ansible Playbooks for zero-downtime installation, upgrade, downgrade, and uninstall processes (MongoDB, Redis, and MySQL).
• Managed Ansible Playbooks wif Ansible roles. Used file module in Ansible playbook to copy and remove files on remote systems.
• Strong working experience in NoSQL database- MongoDB, DynamoDB and Cassandra
• Performed Branching, Tagging, and Release Activities on Version Control Tool Git, SVN.
• Monitoring IoT (Internet of Things) specified infrastructure design and implementation process.
• Trained developers to get familiar on TFS 2013 Work Items, Queue New Builds, and Work Spaces wif Visual Studio 2013
• Automatically spin-up API’s and database servers in each layer of teh OpsWorks Stack in AWS cloud using boto3 python scripting. And also Used Boto3 python to automate end to end testing environment in AWS.
• Implemented continuous integration(CI) using Jenkins and configured various plugins. Also, used Git as a Source Code Manager, Maven as a Build Tool, Sonarqube and Artifactory.
• Expertise in DevOps, Release Engineering, Configuration Management, Cloud Infrastructure, Automation. It includes Amazon Web Services (AWS), Ant, Maven, Jenkins, Chef, SVN, GitHub, Nexus CVS, Tomcat, Linux etc.
• Have experience in Agile Methodologies, Scrum stories and Sprints experience in a Pythonbased environment.
• Taking backups of servers, storing it in Azure cloud and Monitoring different instances and databases in Azure.
• Day-to-Day administration of RHEL 5.x and 6.x which includes installation, upgrading and loading patches and packages.
• Implemented Continuous Integration principles and practices for teh Billing Development Team using Jenkins JNLP Nodes, Subversion, ClearQuest, JUnit, FitNesse, Atlassian JIRA.
• Very good Experience in Administration of Production, Development and Test environment's carrying Windows, Ubuntu, RedHat Linux, SUSE Linux, Centos and Solaris servers.
• Wrote shell, Bash, python, Perl and ruby scripts for day to day administrative tasks and for managing users
• Install and configure Apache, Nginx, Drupal, and WordPress on Ubuntu and Amazon Linux instances.
• Developed Dev, Test, Prod environments of different applications on AWS by provisioning Kubernetes clusters on EC2 instances using Docker, Ruby, Bash, Chef, and Terraform.
• Migrated VMWARE VMs to AWS and Managed Services like EC2, S3 Bucket, Route53, ELB, EBS, etc., wif Opscode Chef Cookbooks/recipes
• Involving in Configuring and managing. Troubleshooting Physical, Virtual infrastructure in Cloud and On Premise on Windows server, Active Directory, Networking, Storage, VMware, Hyper -V, AWS Cloud, Microsoft Azure (IAAS, PAAS, SAAS).
• Experience in load balancing and monitoring wif Nagios and Splunk, ELK (Elasticsearch, Logstash, Kibana).
• Experience in using Docker and setting up ELK (Elasticsearch, Logstash, Kibana) wif Docker and Docker-Compose.
• Focusing on high-availability, fault tolerance and auto-scaling in Cloud Formation. Creating snapshots and Amazon machine images (AMIs) of teh instances for backup and creating clone instances.
• Worked on agile environment of JIRA refactoring existing components and widgets to keep in sync wif teh emerging new trends of AEM.

Environment: Amazon wed services (AWS EC2,AMIs,VPC,S3,IAM,SNS,SES,SQS,glacier), AWS OpsWorks, AWS cloud trails, CloudWatch, Redshift, EMR, Continuous Integration and Continuous Delivery (CI/CD), Azure, ClearQuest, Junit, Pivotal Cloud Foundry (PCF), Chef, Ansible, ELK (Elasticsearch, Logstash, Kibana), Nginx, Drupal, Terraform, Docker, Cassandra database, Kubernetes, Linux, AEM, CloudBees Jenkins, Vagrant, Sonarqube, Artifactory, Route 53, Git, GitHub, Nagios, Splunk, Ruby/Bash scripts, JIRA, Apache, Python.

Confidential, Cary, NC

Sr. DevOps/Cloud Engineer

Responsibilities:

• Worked on Red Hat Linux, Ubuntu, Solaris, AIX, CentOS, Fedora, Windows environments, and VMware vSphere, Involved in Installing, upgrading and configuring Red Hat Linux 5.x, 6.x and 7.x and Debian using Kickstart Servers.
• Working on Multiple AWS instances, set teh security groups, Elastic Load Balancer and AMIs, Auto scaling to design cost TEMPeffective, fault tolerant and highly available systems.
• Developed and implemented an agile SDLC and refinement of teh Software Configuration Management (SCM) infrastructure.
• Actively took part in code peer review of teh test cases, Bug review and QA weekly status meetings.
• Researched and implemented an Agile work flow for continuous integration(CI) and testing of applications using Jenkins. Experience wif apache, Puppet for automation of repetitive processes.
• Involved heavily in setting up teh CI/CD pipeline using Jenkins, Maven, Nexus, GitHub, Chef, and AWS.
• Developed and Modified Chef Cookbooks as Light Weight Resources Provider(LWRP).
• Worked on integrating Git into teh continuous Integration (CI) environment along wif Jenkins and SVN. Worked on building and deploying Java code through Jenkins and Chef.
• Used teh version control system Git to access teh repositories and used in coordinating wif CI tools.
• Installed Chef Server Enterprise on premise/workstation/bootstrapped teh nodes using knife and automated by testing Chef recipes/cookbooks wif test-kitchen/Chef spec.
• Have experience in using visual studio, atom, NetBeans as source code editors which integrates wif Git plugins.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS /Provisioned IOPS, Route 53, Security Group, Auto Scaling, and RDS in Cloud Formation JSON templates.
• Setting up CRON Jobs to download daily backups of critical services to on-premise using AWS-CLI.
• Installed Puppet client software on RHEL 6.x servers and established a communication between master and client through SSL certification.
• Good noledge in Troubleshooting, event inspection and reporting of various Puppet issues and starting and restarting of Puppet enterprise services.
• Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Utilized Puppet for configuration management of hosted instances wifin AWS and utilized S3 bucket and Glacier for storage and backup on AWS; configured and networked Virtual Private Cloud (VPC).
• Extensively Worked on installations and upgrades of Atlassian applications like JIRA, Confluence, Stash, Bitbucket and Bamboo using.
• Have expertise noledge on Troubleshooting skills that involves analysis of logs, traffic trace, configuration data, automation tools to resolve issues until end-to-end systems are functioning.
• Used Core and Custom Resources in Puppet Manifests and Meta parameters to make teh dependencies in teh classes. Defined site-specific and global variables using Puppet Hiera (YAML and JSON) for creating re-usable modules.
• Managed deployment automation using Puppet Roles, Profiles, MCollective, Hiera, and Custom Puppet modules
• Technical noledge in configuring TCP/IP, DNS, WINS, LAN, WAN, HTTP, HTTPS, SMTP, DHCP, LDAP, NFS, SNMP.
• Experienced in creating custom Build & Deployment automation solutions in scripting languages including Python, Shell, UNIX shell, Ruby, Perl and PowerShell. I have worked wif and administered artifact tools including Nexus and Artifactory.
• Configure ELK (Elasticsearch, Logstash, Kibana) stack in conjunction wif AWS and using Logstash to output data to AWS S3
• Involved in designing and deploying a multitude of applications utilizing almost all teh AWS stack including EC2, Route53, S3, RDS, Dynamo DB, SNS, SQS, LAMBDA, focusing on high-availability, fault tolerance and auto-scaling in AWS Cloud Formation.
• Creating repositories, branches, tags in Git and assist teh developers to fix merging issues and to implement teh parallel development process.
• Worked on migrating applications like PHP, Python, .Net etc. from on-premise data center to AWS Cloud.
• Utilized CloudWatch to monitor resources such as EC2, CPU memory, Amazon to design high availability applications on AWS across availability zones.
• Designed teh project workflows/pipelines using Jenkins as CI tool. Managed users and Plug-ins in Jenkins. Reporting defects for teh failed test cases and tracking teh status on teh daily basis
• Hands on Experience working on User admin groups, maintaining account and monitoring system performance using Nagios and Splunk.

Environment: Amazon web services(EC2/Route53/AMIS/VPC/S3/RDS/DynamoDB/SNS/SQS), lambda, ELK (Elasticsearch, Logstash, Kibana), Puppet, Chef, Cloud Formation, MCollective, Hiera, Splunk, Jenkins, ANT, MAVEN, RedHat Linux (4.x/5.x/ 6.x), kickstart, Git, visual studio, NetBeans Nagios, Jira, CloudWatch, Python, Shell, PowerShell, Ruby, Perl.

Confidential, Bellevue, Washington

DevOps Engineer

Responsibilities:

• Worked on multiple Linux/UNIX distributions including Ubuntu, CentOS and RHEL.
• Upgraded teh VMware tools, VM Hardware 9 on all teh VM's as a part of Upgrade process.
• Day-to-Day administration of RHEL 5.x and 6.x which includes installation, upgrading and loading patches and packages.
• Installation/administration of AIX, Linux, Solaris, and NT/2000 Servers on a LAN, setting up optimal RAID levels (fault tolerance) for protected data storage in NAS environments. Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers
• Researched and implemented an Agile work flow for continuous integration(CI) and testing of applications using Jenkins. Administered and Engineered Jenkins to manage weekly Build.
• Deployed Puppet, Puppet Dashboard, and PuppetDB for configuration management to existing infrastructure
• Supported Puppet master server and around 400 Clients by installing agents and managed multiple modules and manifests
• Used JMS API for messaging and asynchronous communication by putting teh messages in teh Message queue.
• Worked wif cluster mode rabbitmq used as message queue in OpenStack.
• Experienced wif TCP/IP, UNIX, LAN, WAN Administration, Apache, WebLogic, Ethernet, Firewall, UNIX Shell Scripting, Middleware, Web Server.
• Management of RedHat LINUX user accounts, groups, directories, file permissions and Sudo rules.
• Packaged software and maintained repositories using Yum/RPM and Apt/DEB distribution systems.
• Migrated teh deployment jobs from Rundeck to Jenkins.
• Configured volume groups and logical volumes, extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands.
• Worked on a Continuous Delivery (CD) framework using Jenkins, Puppet, Maven & Nexus in Linux environment.
• Installed, Configured and Managed Puppet Master and Puppet Agent. Wrote custom Puppet Modules and Manifests, downloaded pre-written modules from Puppet Forge and worked wif Upgradation or Migration of Puppet Community.
• Developed organizational units in Active Directory and managed user security wif group policies. Managed user accounts on Linux platform by creating Active Directory user groups.
• Providing 24 * 7 support for Development and QA teams wif network and performance issues.

Environment: Linux (RedHat 7.x, 6.x, 5.x), Solaris (9/10/11), VMware, RAID, Continuous Integration and Continuous Delivery (CI/CD), Jenkins, ANT, Maven, OpenStack, Nexus, Ruby, MongoDB, Redis, LVM, Puppet, mail (SMTP, IMAP, POP3)

Confidential

UNIX/Linux Administrator

Responsibilities:

• Installation, Maintenance, Administration and troubleshooting of Sun Solaris 8,9 and RedHat, AS 3.0 servers on various hardware platforms that include Sun 4800, V480, 280R, 4500, 3500, Dell 6400, 2400, 1800 etc.
• Performed automated installations of Operating System using Jumpstart for Solaris and Kickstart for Linux.
• Extensively worked on hard disk mirroring and stripe wif parity using RAID controllers
• Installed, configured and maintained web servers like HTTP Web Server, Apache Web Server, Web Sphere, Application Server and Samba Server on Red Hat Linux
• Experience in monitoring teh availability & performance of RHEL Servers through tools like vmstat, netstat, iostat, prstat, top, SAR
• Configuring load-balancing on apache, RedHat Linux 4.x/5.x/6.x
• Supported database cluster environments running on Veritas Cluster Server, Oracle RAC and Managing spfile and pfile for performance tuning.
• Used Veritas File system (VxFS) and Veritas Volume Manager (VxVM) to configure RAID 1 and RAID 5 Storage Systems on Sun Solaris.
• Remote system administration using tools like SSH, Telnet, and Rlogin.
• Provided technical support by troubleshooting Day-to-Day issues wif various Servers on different platforms.
• Develop and Maintain documents, library and procedural documents of teh system
• Monitored server and application performance & tuned I/O, memory
• Installation of SSH and configuring of keys based autantication
• Installation and configuration of MySQL and Apache.
• Administration, package installation, configuration of Oracle Enterprise Linux 5.x.
• RPM and YUM package installations, patch and other server management.

Confidential

Linux Administrator

Responsibilities:

• Created and modified application related objects, created Profiles, users, roles and maintained system security.
• Installed operating system on multiple machines using Kick Start.
• Performed server updates, patching, upgrade and package installations using RPM and YUM.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Installation, integration and management of data backup/recovery solutions. Management and configuration of VMWare virtual machines running Oracle/Sun Solaris X86/64, RHEL and Oracle Linux server.
• Configuration of DHCP and DNS, installation and configuration of VPN client, Windows Servers installation and configuration, installation and configuration of Active Directory creating users and groups, setting user access controls, domains creation and setup.
• Installed configured and managing VMWare ESX server
• Participated in trouble shooting issues for user/group autantication and authorization issues and browser issues.
• Working wif Apache Web servers and managing JBOSS, Apache Tomcat and Web Sphere Application servers
• Used NFS and FTP services for transferring files to various machines.
• Expertise in Troubleshooting and monitoring teh machines 24x7.
• Responsible for writing/modifying scripts using bash, SSH for day-to-day administration.
• Modified Kernel parameters to improve teh server performance in Linux.
• Creation of Logical volumes (LVM) for Linux operating systems.
• Supporting Application Team, Storage Team, DBA Team at OS system level.
• Performed troubleshooting of DNS, DHCP and Active directory.