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Sr Devops Engineer Resume

Philadelphia, PA


  • 12 Years of IT Experience and which comprises of Linux Systems Administration, DevOps, Build/Release Management and Cloud Management.
  • Extensive experience in installing, maintaining and troubleshooting Linux environments
  • Experience working in AWS Cloud platform and its features, which includes EC2, VPC, EBS, AMI, SNS, RDS, Cloud Watch, Cloud Formation, AWS Config, Auto scaling, IAM, S3.
  • Build servers using AWS: Importing volumes, launching EC2, Creating security groups, auto - scaling, load balancers in the defined virtual private connection
  • Worked on Apache Mesos Framework and Docker containers
  • Creating fully automated CI/CD infrastructure and processes for multiple projects
  • Worked on Puppet and Ansible Configuration management for developing the manifests and playbooks to automate the Installations and configuration changes to the 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 )
  • Strong technical knowledge in Jboss Application server implementation, support, workload management and performance tuning including Web server setup configuration with Jboss App Server
  • Configured JMS Modules, Connection factories and queues to work with messaging applications.
  • Experience with SSL and SSO configuration on Webservers.
  • Knowledge of writing Linux Shell Scripts to automate System admin jobs
  • Well versed on Job management tool to schedule and monitor the batch flows using Autosys Scheduler
  • Experience in Monitoring and analyzing logs for troubleshooting java application issues from server side.
  • Full life cycle experience, involved in requirement analysis, design, development, testing, deployment and support.


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

Virtualization: AWS, Azure, 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 4/5/6.

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

Scripting Tools: Bash Shell Scripting.

Monitoring Tools: CA Wily, Nagios, and Icinga.

Configuration Tools: Puppet 3.4, Ansible.

Tools: Autosys 4.5/R11, Jenkins 1.4, Snaplogic Server

Others: Mesos, Zookeeper, Marathon.


Confidential, Philadelphia, PA

Sr DevOps Engineer


  • As a Sysadmin who can independently deploy and maintain software in the Cloud Environment
  • Worked on Core Technologies OpenStack, Cloud Foundry and Nagios for Monitoring, Git/SVN for Source Control, Anthill Pro/Jenkins for CI/CD
  • Server Configuration and Automation through Puppet and Ansible Configuration Tools
  • 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 logging
  • Experience with Tomcat Application Server and Apache Web servers
  • Work with application teams and troubleshoot the issues.
  • Requesting the SSL certificates, DNS change and GSLB changes.
  • Determine the 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, Trevose, PA

Web & Cloud Administrator


  • Building and maintaining the 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 the 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 the Jboss performance
  • Setting up the configurations in Apache
  • SSO Configurations through Saml 2.0
  • Worked on developing and testing the Puppet manifests to automate the installations and make configuration changes on the AWS Cloud servers.
  • Coordinating with DNS & SSO teams for the changes to be implemented.
  • Installing and Configuration of Snaplogic integration on AWS Cloud
  • 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 the capacity and performance impacts.
  • Work with application teams and troubleshoot the 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


Jboss & Linux Administrator


  • 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 the Utilities to run in Linux using Autosys Job management tool.
  • Shell scripting support to automate the daily tasks and help the Application team.
  • Worked on AWS Cloud Servers.
  • Jboss application server Performance tuning and troubleshooting.
  • Work with application teams and troubleshoot the issues.
  • Involved in performance tuning of JVM by analyzing garbage collection matrix.
  • Handled Memory issues and leaks by tuning and profiling with the help of third party tools.
  • Mail notification to concern Team of Java utilities for any failures.
  • Disk space Management for all the 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


Middleware Administrator


  • Discovery of all the Inventory in the Sites
  • Gap Analysis on the sites and find the 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 the Servers after successful Migration.

Environment: Windows 2008/2012, Red hat 5/6, CentOS 6, Ubuntu 10, Jboss 5.1, IBM WebSphere 6.1, Apache 2.2, Tomcat 6 and Oracle 9i


Linux Administrator & Autosys Scheduler


  • 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 the journals.
  • Changing passwords of the FTP id s in different servers.
  • Monitoring the daily batch flow schedule.
  • Analyzing and fixing the abends of different applications in production.
  • Moving and copying the files from source to destination locations in Linux.
  • Escalating the Autosys & different servers performance related issues to SI team.

Environment: IBM AIX 5, Red Hat 4/5, Autosys 4.5, Datastage, Mainframe, Shell Scripting, Oracle, PeopleSoft


Autosys Scheduler


  • Responsible for Customer Communication.
  • Monitoring the daily batch flow schedule.
  • Analyzing and fixing the abends
  • Working on the change Requests tickets in production.
  • Handling special requests in Datastage and Mainframe for Production tickets.
  • Responsible for additional requirements in Datastage and Mainframe
  • Escalating the Autosys and server performance related issues to the Admin team
  • Moving and copying the files from source to destination locations in UNIX.
  • Preparing the space reports of different servers weekly.

Environment: IBM AIX 5, Autosys 4.5, Datastage, Mainframe, Shell Scripting, Oracle 8i, Teamsite


System Engineer


  • Involved in Coding
  • Unit testing the modules
  • Specification analyzing and Documentation preparation

Environment: C, IBM AIX 5, Asterisk Toolkit, Express Talk Soft Phone, Oracle 8

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