SUMMARY:

• Over all 7 years of experience in IT infrastructure which includes AWS / system Engineer experience and Hosting based 24X7 support environments.
• Working experience on Amazon Web Services (AWS) Cloud services like EC2, S3, EBS, RDS, VPC, and IAM.
• Strong knowledge on Virtualization, Cloud Computing, and Web services.
• Designed, configured, and deployed Amazon Web Services (AWS) for applications utilizing the AWS stack (Including EC2, S3, RDS, Cloud Formation, Cloud Watch, SQS, IAM), focusing on high - availability, fault tolerance, and auto-scaling.
• Provided security and managed user access and quota using AWS Identity and Access Management (IAM).
• Experience in implementing Continuous Integration and deployment using various Cloud Integration Tools like Jenkins & configuration management tools like Chef.
• Worked with version/source management tools like GIT.
• Worked with Configuration Management automation tool Ansible and has worked on integrating Ansible YAML Scripts
• Creating S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.
• 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.
• Starting a Release and Software Configuration Management process including setting up and implementing branching, check in, build and deployment process.
• Worked with Configuration Management automation tool Ansible and has worked on integrating Ansible YAML Scripts .
• Expertise in writing files in XML and JSON formats.
• Creating alarms in Cloud watch service for monitoring the server's performance, CPU.
• Administering, installing, configuring and maintaining Linux servers Install, upgrade and manage packages via RPM and YUM package management.
• Configuring distributed file systems and administering NFS server and NFS clients as per system user requirements
• Experience with most layers of AWS offerings and integration, and migration of existing solutions into virtualized hosting environments.

TECHNICAL SKILLS:

Operating systems: UNIX, Linux/Solaris, Windows, Mac.

Scripting Languages: Shell, Perl, Ruby and Power Shell Scripts.

Build Tools: Ant, Maven.

DevOps: Chef, Puppet, Ansible, Docker, Jenkins.

Cloud Technologies: AWS.

Monitoring Tools: Cloud Watch.

Source Code Management Tools: Git.

Programming Languages: Java, Ruby and C.

Databases: Oracle, MS Access, SQL Server.

Application Servers: Apache.

PROFESSIONAL EXPERIENCE:

SR. DEVOPS/AWS ENGINEER

Confidential,Owings Mills,MD

• Experience writing Ansible playbooks and deploying applications using Ansible. And running Jenkins job to run Ansible playbook.
• Experience in Migrating data from Swarm to Perforce and from Perforce to GitHub hub Enterprise
• Created the whole Application of Jira with AWS CloudFormation template and running this through Ansible
• Integrating the Applications with LDAP, SAML and configuring the SSL CERTS with automation Scripts in Ansible or Shell Scripts.
• Created the Automated Cron Jobs for the backup process where the Jenkins job runs every day and weekly.
• Created the documentation for the failover and backup which needs to be followed during the failover
• Maintain the backup data in S3 from Amazon Glacier which stays there for 3 months as it is cheap.
• Modify the existing AWS Cloud Formation templates and updating them with security rules.
• Design and develop to create custom VPC, Subnets, NAT to ensure deployment of web applications.
• Experience with Nginx configuration as proxy the servers and worked on the configuration. .
• Monitoring the Application with AWS Cloud Watch and Nagios and get the status report when it is critical or a warning.
• Took part in migration of Jenkins server from on premise to AWS.
• Configured Gitlab server from scratch and integrated with Ldap authentication.
• As a DevOps Engineer took part in various Deployments from Lower Environment to Prod.
• And used various monitoring tools like Cloud Watch, Splunk, AppDynamics and Zenoss for all Environments.
• Created S3 bucket for EC2 instances to store all the content including HTML pages, images, CSS Files and Java script files.
• Patching each Environment using Spacewalk server. Each Environment has a spacewalk server. And also used space cmd command line apart from UI.
• Created Branches, Tags and performed merges in GIT and also used SVN for legacy projects.
• We use Docker-swarm to maintain the cluster of containers. And I have written a Docker-compose file in YAML to spin up the containers at the same time.
• Troubleshooting the production environment issues as production support. We do use pagerdutty for alert and 24/7 support.
• I also use Terraform to spin up the servers in AWS as per environment requirement. We also use granpacker to build custom AMI's in AWS Environment
• We also use the RabbitMQ, ActiveMQ for notification services.
• We use application servers like Wildfly, Tomcat. I configured the tomcat as per our developer's requirement for environment and tar it and push to the Jfrog artifactory.
• Worked with the Developers on building Java applications and also migration of application from on premise to cloud.
• Red Hat Jboss was used for Building, deploying, and hosting enterprise Java applications and services

Environment: RedHat, Tomcat, Java, AWS (EC2, Auto-Scaling, S3, Elastic Beanstalk, ELB, RDS, VPC, Direct Connect, Route53, Glacier, Cloud Watch, Cloud Formation, IAM), Ansible, Jenkins, Bash Scripting, Git, Nagios.

Confidential,Baltimore, MD

DevOps/AWS Engineer

• Delivered Solutions to improve Cloud architecture
• Automation and continuous integration processes with Jenkins and Ansible
• Creating CloudWatch alerts for instances and using them in Autoscaling launch configurations.
• Analyzed the current stack, load and cost to brainstorm architecture in order to reduce the footprint and cost.
• Rehydrating AMI's of all the servers to the latest release every 60 days.
• Setup and build AWS infrastructure various resources, VPC EC2, S3, IAM, EBS, Security Group, Auto Scaling, RDS in Cloud Formation JSON templates.
• Created and maintained documentation of build and release processes and application configuration to comply with audit requirements and Industry best practices.
• Automated Start/Stop of non-prod instances to reduce cost.

Environment: AWS (EC2, Auto-Scaling, S3, Elastic Beanstalk, ELB, VPC, Cloud Watch, Cloud Formation, IAM)

Confidential,Richardson,TX

DevOps Engineer

• Conceived, Designed, Installed and Implemented Chef configuration management system.
• Created and updated Chef manifests and modules, files, and packages.
• Developed automation scripting in Ruby (core) using Chef to deploy and manage Java applications across Linux servers.
• Worked on Version control setups like GIT and integration tools Jenkins
• Installed, Configured and Administered Hudson/Jenkins Continuous Integration Tool.
• Developed automation framework for Application Deployments to the cloud environments.
• Developed shell scripts for automation of the build and release process, developed Custom Scripts to monitor repositories, Server storage.
• Automated Nagios services for database server, web-server, application-server, networks, file sizes, RAM utilization, Disk performances using Python script in Chef.
• To achieve Continuous Delivery goal on high scalable environment, used Docker coupled with load-balancing tool Nginx.
• Bootstrapping automation scripting for virtual servers, using VMWare clusters.
• Worked on Apache and Firewalls in both development and production.

Environment: Chef, Java, Linux, Git, Jenkins, Bash Scripting, Nagios, Docker, VMware.

Confidential,Chicago,IL

Build & Release Engineer

• Performed all necessary day-to-day Subversion support for different projects.
• Worked with various AWS EC2 and S3, EBS, CloudWatch tools.
• Installed and configured Jenkins, Implemented CI process from the Scratch.
• Responsible for Branching and merging the code as per the schedule.
• Installed and configured an automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.
• Wrote Puppet modules, Manifests for installing and managing Java versions and managing persistent SSH tunnels.
• Perform biweekly build cycle and testing processes.
• Created instances (VMs) in AWS with required stack of infrastructure for application teams.
• Used ANT and MAVEN as a build tools on java projects for the development of build artifacts on the source code.
• Configured and automated the Jenkins Build jobs for Continuous Integration.
• Used Jenkins to run Puppet on VMs created in AWS cloud infrastructure.
• Developed UNIX and Python Scripts for manual deployment of the code to the different environments.
• Designed and implemented Subversion metadata including elements, labels, attributes, triggers and hyperlinks.
• Used Shell to automate build and deployment Process.

Environment: AWS (EC2, Auto-Scaling, S3, Elastic Beanstalk, VPC, Cloud Watch, IAM), Jenkins, ANT, MAVEN, Puppet, Java, Linux, Bash Scripting.

Confidential

Linux Administrator

• Installation and Troubleshooting on VMware running Linux (Red Hat) and Windows.
• Installation, Configuration & Upgrade of operating systems Linux on Windows hardware.
• Monitoring System performance and do kernel tuning to enhance the system Performance, worked on installation, configuration and maintenance of Redhat, CentOS Servers at multiple Data Centers.
• Management of Red Hat Linux user accounts, groups, active directories and file permissions.
• Monitored system activities, fine-tuned system parameters, configurations to optimize performance and ensure security of systems.
• Responsible for maintenance of development tools, utilities and to maintain shell, Perl automation Scripts.
• Configuration of NFS, send mail on Linux and administering NFS Mounts.
• Responsible for day-to-day System Administration for Solaris and Windows NT servers.
• Solaris Operating Systems upgrade, package installations, updates, patches and software fixes.
• Monitoring system resources, logs, disk usage, scheduling backups and restore.
• Configured auto mounts/maps for the user accounts.
• Installation, Configuration of Web Servers using Apache, IIS on Solaris and NT Servers.
• Performed various health check-ups in production and development environments
• Managed, installed software packages using YUM, RPM and created repository files for offline servers.
• Maintained configuration files for each application for build purpose and installed on different environments.
• Developed Perl, shell scripts for automation of the build and release process.

Environment: VMware, RedHat, CentOS, Bash Scripting. Solaris, Apache, HTTP web servers.