SUMMARY

• 12+ Years of IT Experience and which comprises of Linux Systems Administration, DevOps, Build/Release Management and Cloud Management.
• Setup/Managing Linux Servers on Amazon, Azure and Openstack.
• Experience working in AWS Cloud platform and its features, which includes EC2, ECS, VPC, AMI, SNS, RDS, Cloud Watch, AWS Config, Auto scaling, IAM, S3.
• Last three years using Terraform for different cloud technologies.
• 4 years of experience with migrating on - prem to AWS and recently using ECS.
• Configured VMs in availability sets using Azure portal to provide resiliency for IaaS based solution and scale sets using Azure Resource Manager to manage network traffic
• 3 years of experience with Meso and other containerization tools.
• Have worked on in teh last year halping deploy and migration to Cloud Foundry.
• Configure pipelines for Cloud Foundry migrations.
• Experience in migrating on-premise solutions/applications to AzureCloud
• Worked on Apache Mesos Framework with Docker containers
• Worked on Building teh Docker Images for Java Applications and icinga2 and Successfully running them in Production environment.
• Managed teh Docker Registry for our team Internally
• Creating fully automated CI/CD infrastructure and processes for multiple projects
• Worked on Puppet and Ansible Configuration management for developing teh manifests and playbooks to automate teh Installations and configuration changes to teh Servers.
• Installed and configured DataStax Enterprise Cassandraclusters for Production and Pre-Production Environments
• Experience on creating Immutable Infrastructure using Packer, Ansible and Terraform tools for Different Clouds (Openstack, Azure and AWS)
• Responsible for ensuring Systems & Network Security, maintaining performance and setting up monitoring usingCloud WatchandNagios.
• Strong technical noledge in Jboss Application server implementation, support, workload management and performance tuning including Web server setup configuration with Jboss App Server
• Worked on Creation and Modifying teh DNS and Load Balancers for teh applications.
• Experience with SSL and SSO configuration on Webservers.
• Knowledge of writing Linux Shell Scripts and Python Scripts to automate System admin jobs

TECHNICAL SKILLS

Web/Application Servers: Jboss 5.1/6.0 EAP, IBM WebSphere 6.1, Apache 2.2, Tomcat 6/7.

Virtualization: AWS, Azure, Docker, VMware, and Openstack.

Operating Systems: Microsoft Windows 2008/2012 Server, CentOS 6.0/7.0, Sun Solaris 10, IBM AIX 5, Ubuntu 10 and RHEL 5/6/7.

Database: MS SQL Server 2005, MS Access, Oracle 8i/9i, Cassandra 2.1

Scripting Tools: Bash Shell Scripting, Python

Monitoring Tools: CA Wily, Nagios, and Icinga2.

Configuration Tools: Puppet 3.4, Ansible.

Tools: Autosys 4.5/R11, Jenkins, Snaplogic Server

Others: Jira, confluence, Mesos, Zookeeper, Marathon.

PROFESSIONAL EXPERIENCE

Confidential

Sr Cloud/Devops Engineer

Responsibilities:

• As a Sysadmin Lead who can independently deploy and maintain software in teh Cloud Environment
• Proficient inAWSservices like VPC, EC2, ECS, S3, ELB, AutoScalingGroups(ASG), EBS, RDS, IAM, Route 53, CloudWatch.
• Worked on Baking teh Images in Openstack, Azure and AWS using Ansible and Packer and Build our Immutable Infrastructure using Terraform
• Migrating applications from on-prem to AWS and using ECS.
• Worked on Core Technologies OpenStack, Cloud Foundry and Nagios for Monitoring, Git/SVN for Source Control, Anthill Pro/Jenkins for CI/CD
• Assist teh team in configuring and Managing teh different Cloud Infrastructure.
• Experience with producing high traffic Internet sites, multi data center environments, Open Source technologies.
• Worked on Apache Mesos, Marathon, Zookeeper framework and Docker containers.
• Providing Operational and Infrastructure Support for applications running on Open stack, Azure, Cloud Foundry and AWS
• Created and maintain fully automated CI/CD pipelines for code deployment usingJenkins for Different Projects
• Involved in installing, configuring and administratingDataStax Enterprise Cassandra and DataStax OpsCenter
• Worked on Puppet manifests and Ansible playbooks.
• Experience in Monitoring and Splunk logging
• Experience with Tomcat Application Server and Apache Web servers
• Work with application teams and troubleshoot teh issues.
• Requesting teh SSL certificates and updating them on Haproxies
• Worked on teh DNS changes for teh Servers and Applications Sites
• Network traffic shaping for teh application using teh Global server load balancing
• Involved in writing scripts in Bash shell and Python to automate teh application tasks.
• Determine teh capacity and performance impacts.

Environment: Centos 6.5/7, Ubuntu 12, Tomcat 7, Mesos 0.21/0.22, Marathon 0.8/0.9, Zookeeper, Puppet 3.4, Ansible, Icinga, Cassandra, Bamboo and Haproxy.

Confidential

Lead Web & Cloud Administrator

Responsibilities:

• Building and maintaining teh Linux & windows Servers in AWS Cloud environment
• Worked on AWS EC2, RDS, EBS and S3
• Jboss JMS configuration, Connection Pools, Queue and Topics
• Tuned, Managed and Monitored teh JVM performance by adjusting JVM configuration settings, Heap size, garbage collection and JDBC pools
• Tuned OS parameters like Swap and virtual Memory settings to improve teh Jboss performance
• Setting up teh configurations in Apache
• SSO Configurations through Saml 2.0
• Worked on developing and testing teh Puppet manifests to automate teh installations and make configuration changes on teh AWS Cloud servers.
• Coordinating with DNS & SSO teams for teh changes to be implemented.
• Installing and Configuration of Snaplogic integration on AWS Cloud
• Experience in leading teh team members and assigning teh Tasks to them.
• Involved in problem determination using application and error logs.
• Providing step-by-step instructions for ways to resolve issues when clients cannot install an application.
• Taking proactive steps to look for before client reports a problem.
• Jboss application server Performance tuning and troubleshooting.
• Determine teh capacity and performance impacts.
• Work with application teams and troubleshoot teh issues.

Environment: Windows 2008/2012, CentOS 6, Ubuntu 10, AWS, Jboss 5.1/6, Apache 2.2, Tomcat 6, Puppet 2.4, Jenkins 1.4 and Oracle 9i

Confidential

Jboss & Linux Administrator

Responsibilities:

• Installing and configuration of Jboss 4 application server for DEV, QA and PROD systems.
• Configuring Jboss with different alternative databases.
• Jboss JMS configuration, Jboss JMS configuration, Connection Pools, Queue and Topics.
• To Deploy File net Java utilities into Linux environment.
• Scheduling teh Utilities to run in Linux using Autosys Job management tool.
• Shell scripting support to automate teh daily tasks and halp teh Application team.
• Worked on AWS Cloud Servers.
• Jboss application server Performance tuning and troubleshooting.
• Work with application teams and troubleshoot teh issues.
• Involved in performance tuning of JVM by analyzing garbage collection matrix.
• Handled Memory issues and leaks by tuning and profiling with teh halp of third party tools.
• Mail notification to concern Team of Java utilities for any failures.
• Disk space Management for all teh utilities in Linux servers & notification.
• User accounts creation & maintenance.
• Secure shell (ssh) password less authentication.
• Backups, Security & Scalability.
• Taking proactive steps to look for before a problem is reported by client.

Environment: Windows 2008, Red Hat Linux 5/6, Jboss 4/5, Apache 2.0, CA Wily, CA Autosys R11, UNIX Shell Scripting

Confidential

Middleware Adminstrator

Responsibilities:

• Discovery of all teh Inventory in teh Sites
• Gap Analysis on teh sites and find teh missing info from Site SPOC.
• Migration Approach for Servers and Applications.
• JBOSS 5/6 Administration with expertise in Installation, Configuration and Tuning.
• Expertise in Installing, configuring and trouble-shooting Apache web server.
• Backup and Storage solutions.
• File and Print Server Solutions.
• Obsolescence Solutions.
• Co-ordination with build team for any new Server builds.
• Application migration solutions.
• Coordinate with application teams and troubleshot issues.
• Warranty Support for Applications after Successful Migration.
• Decommission of teh Servers after successful Migration.

Confidential

Linux Administrator & Autosys Scheduler

Responsibilities:

• Responsible for Creation of Batch jobs using JIL language.
• Scheduling them to run as per calendars in Development and Production environments.
• Additional requirements in PeopleSoft for cleaning teh journals.
• Changing passwords of teh FTP id s in different servers.
• Monitoring teh daily batch flow schedule.
• Analyzing and fixing teh abends of different applications in production.
• Moving and copying teh files from source to destination locations in Linux.
• Escalating teh Autosys & different servers performance related issues to SI team.