SUMMARY

• 8 years of Experience in DevOps/Build Release Engineer/Middleware Administration, automating, building, deploying, managing and releasing of code from one environment to other environment. Worked on Installation, renewal and configuration of SSL Certificates for data encryption and client authentication.
• Involved in migrating WebSphere from v6.x to v7.x. Good hands - on experience with the services provided by AWS like EC2, S3 Bucket, Route53, RDS, ELB, VPC, IAM, AMI, EBC, Cloud Watch. Responsible for migrating the existing production infrastructure into Amazon Web Services VPC.
• Excellent automation experience in working with configuration management tools like Chef, Puppet, Ansible. Strong experience in deploying web applications using java and J2EE related technologies. Experience in 24/7 production support for various projects providing continuous support.
• Experience in System Administration, System Builds, Server builds, Installs, Upgrades, Patches, Migration, Troubleshooting, Security, Backup, Disaster Recovery, Performance Monitoring and Fine-tuning on UNIX Red Hat Linux Systems. Amazon Web Services, Microsoft Azure, Google Cloud Platform, OpenStack.
• Excellent communication skills that enable collaboration and integration between Dev roles and Ops roles. Highly skilled in deploying the application server clustering (both vertical and horizontal) environments for high availability, failover functionality and new features like apache load balancing.
• Vast experience in maintaining and building VMware virtualization environment using various VMware and cloud platforms like, Xen v4.4, Expertise includes Ruby, Bash, Perl and Python scripting with focus on DevOps tools, CI/CD and AWS Cloud Architecture and hands-on Engineering. Considerable experience in network monitoring software’s/tools such as Nagios, Zabbix, Splunk, Icinga.
• Expert level IT Service Management using bug tracking, ticketing software’s Remedy, Jira, Service Now. Proficient in working with various version controls like SVNv 1.8.13/1.8.11 , IBM ClearCasev8.0.x/7.0.x, Perforce, and GITv2.3/2.2, GitHub.
• Implemented clustering, performance-tuning and troubleshooting of IBM WebSphere Application Servers 8.0/7.0/6.1/6.0. Deployment of the Business processes by creating JAR, WAR and EAR files to IBM WebSphere application servers. Expertise in Conducting systems design, feasibility and cost studies and recommend cost-effective cloud solutions such as Amazon Web Services (AWS).
• Extensive experience with Continuous Integration and Continuous Delivery Tools like Team City, Jenkins, Bamboo, J Behave, Cucumber. Database administration, optimization, and replication for relational (MySQL, MS Sql Server, Postgre SQL) and No SQL (Memo cache, Couch base, Mongo DB, Redid).
• Managed Amazon Web Services like EC2, S3 bucket, RDS, EBS, ELB, Auto-Scaling, AMI, IAM through AWS Console and Application programming interface (API) integration with puppet. Experience in using Tomcat and Apache web servers for deployment and hosting tools.
• Experience in Utilize configuration management tools (Chef/Puppet etc.). Experience in working on version controller tools like Subversion (SVN), IBM Clear case, Git, GitHub, Stash and continuous integration management using Jenkins.
• Performed Database administration tasks related to Postgres, DB2 MS SQL, Cassandra and hands on experience with Oracle.
• Extensively worked with VMware 6.0/5.5/5.1, vCenter Server, Host Clustering with HA, DRS, Replication Manager 6.0/5.X, Site Recovery Manager, V Motion, Physical to Virtual Migration and Managing SAN Data stores with iSCSI, NFS & FC. Day to day job included but not limited to handling Tickets, Monitoring, Troubleshooting and maintenance.
• Experience in shell scripts (Bash), Ruby, Python and PowerShell for automating tasks. Installed and configured an automated tool Puppet that included the installation and configuration of the Puppet master, agent nodes and an admin control workstation.

TECHNICAL SKILLS

Operating Systems: RHEL 5.x/6.x/7, CentOS 5.x/6.x/7, Sun Solaris 7/8/9/10, Ubuntu, Fedora, Mac OS, IBM-AIX, Windows 95/NT 4.0/98/2000/XP/Vista, SUSE Linux 10.x/11, various flavors of Linux/Unix.

Networking Protocols: TCP/IP, UDP, DNS, DHCP, SSH, FTP, SMTP, HTTP, HTTPS, POP, POP3, Telnet.

Database: MYSQL, DB2, Oracle 10g/9i/8i, Sybase, Cassandra, MS Access

Cloud platforms: Microsoft Azure, Google Cloud Platform, Vmware vCloud, Cloud Stack, Rackspace, AWS.

Virtualization platforms: Virtual Box, (KVM), Vmware ESX v5.0/ESXi v 5.0/5.1/5.5/6.0.

Scripting languages: Perl, Bash& shell scripting, Java script, J2EE, HTML, XML, C, C++, SQL, Servlets, JSP.

Bug tracking /Ticketing tools: JIRA, Bugzilla, IBM Clear Quest.

Web and Application Servers: Apache, Tomcat, JBoss, WebLogic, Jetty, iPlanet, WebSphere MQ, portal servers, IBM HTTP Server, IBM Glassfish, Microsoft IIS.

Configuration Management/Build tools: Chef, Puppet, Maven, GIT, SVN, CVS, Hudson, Bamboo, Make, Salt.

PROFESSIONAL EXPERIENCE

Confidential

Sr. Devops Engineer

Responsibilities:

• Installing, configuring and troubleshooting Apache 2.0/2.1/2.2. x, Apache tomcat 8.x/7.x, JBoss Application Server 4.2/5.1/6.0, WebLogic v12.1.x/11c, performance monitoring and tuning of these server instances. Involved in upgrading JBoss Application Server from v4.x to v5.x.
• Installation and administration of Apache 2.2.x, Tomcat 8.x on RHEL 6.x/7 and Solaris 10/11. Configured clustering (vertical and horizontal) on various J2EE application servers and deployed applications on it in WAR, JAR, EAR formats in various environments such as DEV, QA, UAT, production.
• Setting up rewrite conditions in Apache using Apache module mod rewrite in order to manipulate the URL’s and proxy capabilities using mod proxy module, redirecting the URL’s. Good working knowledge in performance monitoring of WebLogic using Wily Introscope and finding out memory leaks, adjusting JVM heap size.
• Updating JDK versions, applying patches and installing service packs for various servers. Configuring and administering JDBC Connection pools, Data Sources for Tomcat, WebLogic App Servers. Creating Secure Sockets Layer (SSL) and digital certificates for establishing secure and encrypted communication between Web and Application Server. Problem determination through the analysis of log files (JVM logs).
• AWS Cloud platform and its features which includes EC2, VPC, EBS, SNS, RDS, EBS, Cloud Watch, Cloud Trail, Cloud Formation AWS Config. AWS server provisioning using Chef Recipes.
• Responsible for creating Cron jobs in order to schedule timely running of jobs. Management of configuration for Ubuntu using Cloud Formation and Chef on Amazon Web services (AWS) and automated cookbook testing using the tool Jenkins. Developed automation scripting in Python (core) using Puppet to deploy and manage Java applications across Linux servers.
• Wrote custom Modules and Manifests, downloaded pre-written modules from puppet-forge. Also deployed puppet, puppet DB, Hiera for configuration management of existing infrastructure. Support development engineers, networking team with Configuration Management issues. Working with DBA team in installing, configuring RDBMS like Oraclev11g/10g, MySQLv5.6.x on Linux and UNIX servers.
• Help in promoting DevOps culture across the entire company. Installing, troubleshooting and maintaining SiteMinder, LDAP for security administration. Securing the resources using LDAP system authentication by creating user roles and groups.
• Providing support to the Development, QA and application group through Service Now ticketing system. Performance analysis and improvements for databases like Cassandrav2.2/2.1. Rapid-provisioning and configuration management for Ubuntu using Sparkle Formation and Chef on Amazon Web Services.
• Updated Splunk from version 6.3.2 to version 6.6.1, Migrated Splunk from on perm data center to AWS, used puppet to prepare tomcat files during migration. Migrated JIRA from on perm Data Center to AWS, Used Ubuntu 16.04, and support systems engineer’s team with Configuration Management issues.
• Automating the AWS server configuration and provisioning using chef recipes ensuring High Availability (HA). Monitoring System/Application Logs using Splunk to detect Production issues. Written multiple manifests and also customized facts for efficient management of the Chef clients.
• Designing and implementing Active Directory services at multi-site (company offices, datacenters) for user authentication and user authorization. Involved in setting up Atlassian tools JIRA (integrated with Stash and bamboo) as defect tracking system and configured various workflows, customizations and plugins for the JIRA bug/issue tracker.
• Hands-on Experience of the J2EE Framework and its components as related to Java build, test, deployment and release management initiatives. Installed various enterprise monitoring tools Nagios, Zabbix and configured zabbix agents on Linux and Windows servers.
• Implemented automated local user provisioning in instances created in Open stack cloud and deploying the Open stack components on multimode with high availability environment. Migrated projects from version control tool Subversion (SVN) to GIT and implemented GIT branching and merging operations for Java Source Code.

Environment: Apache 2.0/2.1/2.2. x, Apache tomcat 9.x/8.x/7.x, JBoss Application Server 4.0/4.2/5.1/6.0 , WebLogic v12.1.x/11c, Wily Introscope, Cloud Formation, Cassandra, Chef, Amazon Web services, Jenkins, Python, Puppet, Hiera, Oracle 11g/10g, MySQL v5.6.x, JIRA, Stash, Bamboo, Nagios, Zabbix, Remedy, Open stack, Subversion, GIT, SiteMinder, LDAP, Active Directory, RHEL 6.x/7, Solaris 10/11, Cron jobs, Ubuntu.

Confidential

Sr. Devops AWS Engineer

Responsibilities:

• Configuring and maintaining various web applications using Oracle I Planet Webserver v7.0.x, Apache HTTP Server v2.2/2.0.63 and Apache Tomcat v7.x/6.x, WebSphere Application Server v8.x/7.x/6.1.x, Jetty v9.x/8.x. Migrating the existing VM’s and physical servers to cloud AWS.
• Creating S3 buckets and also managing policies for S3 buckets and utilized S3 bucket and Glacier for storage and backup on AWS. Managing users and groups using the amazon Identity and Access Management (IAM).
• Applied the Clustering Topology application servers that meets High Availability and Failover requirement for performance and functionality. Developing and implementing Software Release Management strategies for various applications according to the agile process.
• Monitoring and administering the automated build and continuous integration process to ensure correct build execution, and facilitate resolution of build failures. Implementing SSL Certificates on servers for enabling secure communication between clients and servers.
• AWS server provisioning using Chef Recipes. Configured LDAP for user authentication using Directory server. Performing load balancing of servers in multiple DMZ networking environments. Working experience of Cloud foundry, Open Stack, Git, ELK stack (Elastic search, Logstash, Kibana).
• Automating the AWS server configuration and provisioning using chef recipes ensuring High Availability (HA).
• Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Ansible, Chef or custom-built, designing cloud-hosted solutions, specific AWS product suite experience proficient in using all Amazon Web Services including EC2, S3, Route53, RDS, ELB, IAM, AMI, EBC, Cloud Watch.
• Performing load balancing of servers in multiple DMZ networking environments. Written scripts in Python to automate log rotation of multiple logs from web servers. AWS server provisioning using Chef Recipes. Configured LDAP for user authentication using Directory server.
• Written multiple manifests and also customized facts for efficient management of the Chef clients. Problem and Incident Management using trouble ticketing system Remedy. Installing and configuring databases like Mongo DB, MySQL on various servers like Redhat/CentOS/Debian.
• Working extensively with version controllers such as CVS, SVN for Software Configuration Management. Implemented Clear Case v7. and Subversion v1.8.x/1.7.xbranching and merging operations for Java Source Code. Written Shell scripts to apply the Integration label to all the files which needs manual labeling of files.
• Worked on installing, configuring and maintaining Redhat, CentOS and Sues Servers at multiple Data Centers. Experience using Gradle, ANT for building of deployable artifacts like war files and ear files from source code.
• Experience in setting up the Puppet Agent and Puppet Servers on Nodes in QA & Prod environments. Supported 2000+AWS Cloud instance’s and also familiar with Amazon Cloud command line management.
• Actively worked on Docker and deploying and maintaining Micro services in Dev& QA environment. Experience in creating customized Docker images and push them to Amazon ECS, good knowledge in containerization. Maintaining scripts for trial Project cleanup for open stack resources cleanup.

Environment: Apache HTTP Server v2.2/2.0.63 and Apache Tomcat v7.x/6.x, WebSphere Application Server v8.x/7.x/6.1.x, Jetty v9.x/8.x, Cloud Watch, Clear Case, New Relic, Chef, Ansible, Python, AWS, Amazon IAM, Shell scripting, Ruby scripting, RHEL 6.x/5.x, CentOS 6/5, Debian 6.0, Suse 11/10.x, Mongo DB, MySQL, J2EE, XML, YAML.

Confidential

AWS DevOps Engineer / Release Engineer

Responsibilities:

• Participated in the release cycle of the product which involved environments like Development QA UAT and Production, Regular Build jobs are initiated using the Continuous Integration tool with Jenkins. Wrote Puppet manifests for deploying, configuring, install shield and managing collected for metric collection and monitoring.
• Coordinate/assist developers with establishing and applying appropriate branching, labeling/naming conventions using GIT source control. Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS, Develop and implement an automated Linux infrastructure using Puppet.
• Wrote Puppet models for installing and managing java versions. Wrote a Python plug-in for collected to write metrics to stats. Implemented automated local user provisioning in instances created in Open stack cloud. Deploying the Open stack components on multimode with high availability environment.
• Configured Jenkins for doing the build in all the non-production and production environments. Worked extensively on CVS, Subversion as Version Control. Handled Jira tickets for SCM Support activities. Creating user level of access for related GitHub project directories to the code changes.
• Performed all necessary day-to-day Subversion/GIT support for different projects. Used Arti factory repository tool for maintaining the Java based release code packages. Provided the assistance for the smooth phase of Release for the Emergency and Expedite Releases by getting the Director Level Approval and coordinating with different teams.
• Written Shell scripts to apply the Integration label to all the files which needs manual labeling of files. Deployed Puppet, Puppet Dashboard and Puppet DB for configuration management to existing infrastructure. Owner of Jenkins, GitHub, Puppet, Artifactory, and all internal build systems for the core development team on an enterprise-level Java-based cloud orchestration/automation tool.
• Strictly enforced ITIL process while pushing builds and deployments to prod and pre-prod environments. Used to write an install script in Ruby using all of the extra helper functions from Chef. Configured the user’s accounts for Continuous Integration - Jenkins, Nexus and Sonar. Gathered all the stakeholder approvals, necessary signoffs while acting as a release manager for two development teams.
• Used ANT and MAVEN for building the applications and developing the build scripts. Incorporated the Code Quality Tools Find bugs and Cobertura into ANT Projects. Implementing new projects builds framework, Continuous Delivery framework using CHEF, Jenkins & maven as build framework tools.
• Experienced in applying plug-ins for WebSphere Application Servers with IBM HTTP Server, Apache Tomcat server on AIX, Linux, Sun Solaris and Windows Platforms. Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS.
• Configured Apache web server to proxy separate servers for the teams Subversion SCM server, Jenkins build server and Nexus repository from a single host using the default port. Strong hands on experience with scripting languages like Python, Ruby, PowerShell, and JavaScript.

Environment: Java/J2ee, Puppet, OpenStack, Ant, Maven, Subversion, UNIX, SVN, Bamboo, Nexus Pro, Sonar, Jira, Remedy, Python, Nagios, Ruby, Shell Scripts, Tomcat, Jenkins. shell, bash, python, ruby, Apache Webserver 2.x, IBM DB2, IBM MQ 6.0, IBM AIX 5.3, Shell scripting, Wily Inters cope, AWS.

Confidential

WebSphere Administrator

Responsibilities:

• Worked on complete infrastructure setup and configuration of WebSphere application server 6.x/7.x,IBM WebSphere Mobile Portal and IBM HTTP Servers on LINUX/AIX environment.
• Worked on installed and configuring Wily Introscope 7.x, standalone wily agents for Webservers, oracle power pack, Environment Performance Agent, Error Detector, leak hunter in Wily APM.
• Strong experience in Analyzing, Trouble shooting and taking appropriate actions for Application/Web server errors and logs using WebSphere Log Analyzer tool.

Environment: IBM WebSphere Application /HTTP Server, CA Wily Introscope, IBM WebSphere Mobile Portal Server, DB2, RedHat Linux, AIX, Windows.