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Middleware/devops Engineer Resume

Bellevue, WA

SUMMARY:

  • Skilled DevOps Admin with over 9+ years of experience in IT industry with expertise in the areas of cost optimizations, capacity planning and DevOps methodology. My objective is to use Cloud best practices and Middleware Administration to reduce the Infrastructure resource foot print and improve process timelines.
  • Hands - on experience on tasks like Configuration, Customization, JVM Clustering, Troubleshooting, and Deploying Applications including Capacity Planning, Performance Tuning and Load Balancing.
  • Having great experience with DevOps methodology, Continuous Integration/ Continuous Delivery Tools, Configuration Management and Release Management.
  • Extensive experience working on deployment tools like Jenkins, Bamboo, Team City, and version control tools as Maven and SVN, Git.
  • Experience setting up Nexus artifact repository and integrated with Jenkins by creating build pipelines.
  • Experience in configuring Check MK as alerting and monitoring tool for multiple applications spanning across 100+ VM’s to monitor system resources and application checks.
  • Experience in creating Ansible playbooks for installation and configuration of Weblogic application servers.
  • Expertise with setup and maintenance of WebLogic Application Server, LDAP server, Apache HTTP 2.0 web server, SunOne (iPlanet 6.1) web server, Tomcat.
  • Designed a Weblogic cluster architecture that spans multiple WebLogic domains, offering high-availability to over ~150 Web Applications.
  • Extensive experience in Troubleshooting WebLogic Server issues in production, production-fix and Test environments.
  • Experience in creating Weblogic Cluster architecture providing high availability to J2EE apps/services, load-balancing and fail-over solutions.
  • Strong skills with Shell scripting, WLST scripting.
  • Experience monitoring Application servers and resources using different monitoring tools like Wily Introscope, HP Sitescope, App Dynamics and Splunk, Check MK.
  • Experience with installation and configuring of ELK for logging and reports creation.
  • Superior Troubleshooting and Technical support abilities with Migrations, Network connectivity, and Security.
  • Experience with AWS components like EC2, S3, EBS, VPC, DynamoDB, ELB, AMI, SNS, IAM, Route 53, Auto scaling, CloudFront, CloudWatch, CloudTrail, CloudFormation, Security Groups and other services in the AWS cloud infrastructure.
  • Proven ability to work efficiently in both independent (On Call) and collaborative environments with multiple teams.

TECHNICAL SKILLS:

Middleware: Oracle WebLogic Server, IBM Websphere, Sun One (iplanet), Apache, Tomcat.

Tools: Docker, Ansible, Jenkins, Teamcity, Bamboo, ELK, Splunk, Check MK, SCM, GIT, Nexus Artifact Repository

Scripting: Shell Script, WLST, Python

Monitoring/Tuning: CA Wily Introscope, BMC PATROL, JProbe, Samurai, HP BAC, HP Sitescope

Database: Oracle 10g/9i/8i, MySQL, MS SQL Server, MS Access

Cloud Tools: AWS.

EXPERIENCE:

Middleware/DevOps Engineer

Confidential, Bellevue, WA

Responsibilities:

  • Installed and configured Oracle WebLogic Server 12.1.3 on Linux and created WL resources.
  • Used version Control tools like GIT, Subversion and Bitbucket and integrated with Jenkins for performing builds.
  • Configured and created Jenkins jobs, and pipelines establishing One Click build and Deployment of web applications to multiple Environments.
  • Created Ansible playbooks for Automating Weblogic installation and configuration.
  • Performed Weblogic upgrade from 12.1.2 to WL 12.2.1 using Pack/Unpack utility.
  • Orchestrated Tomcat server across lower environments and migrated applications from Weblogic to Tomcat application server.
  • Configured Nexus Artifact Repository for maintaining scripts and newly build applications before deploying them to Java containers.
  • Installed and configured Check MK monitoring tool for alerts and notifications across 100 VM’s to monitor System Resources and metrics.

Environment: WebLogic 12c, Tomcat 8.0, RHEL 6.x, Oracle 10g, Shell scripting, Python scripting, WLST scripting, Splunk log monitoring, Ansible, Jenkins, Nexus Artifact Repository, Check MK, Splunk, ELK.

DevOps Engineer

Confidential, Charlotte, NC

Responsibilities:

  • Configured Jenkins by creating jobs for Infrastructure Testing, deployments to Weblogic servers across multiple Environments, and configured Alerting and email notifications with plugins.
  • Worked with the development team to generate deployment profiles (jar, war, ear) using ANT & Maven Scripts by using Jenkins.
  • Developed and created AWS infrastructure with EC2, S3, Route53, IAM, Auto scaling and configured ELB with IAM and Security Group in Public and Private Subnets in VPC and Created AWS Route53 to route traffic between different regions.
  • Performed migration of Admin server JVM’s to reduce resource consumption footprint to release the memory usage by consolidating the Admin servers in Test and production environments. (350 VMs).
  • Performed installation of patches and upgrading to WebLogic 12.1.1 & 12.1.2.
  • Migrated VMware VFabric Enterprise Ready Server (apache webserver 4.0.3) to pivotal apache servers as per requirements by application owners.
  • Managed local deployments in Kubernetes, creating local cluster and deploying application containers, building/maintaining Docker container clusters managed by Kubernetes.
  • Worked on configuring Auto startup of Weblogic servers on ~2000VM’s.
  • Involved in Writing Docker file to build customized images for creating containers and also worked on Docker container snapshots, removing images, and managing Docker volumes.
  • Installation and configuration of Splunk Log monitoring.
  • Worked on installing and configuring Bamboo Deployment tool and integrated with Jenkins.

Environment: WebLogic 10.3/11g/12c, Wily Introscope, Jenkins, Bamboo, Tomcat 3.1, RHEL 6.x, Apache Web Server, Shell scripting, WLST scripting, Splunk log monitoring, SCMPro, Borland StarTeam.

DevOps Engineer

Confidential, Parsippany, NJ

Responsibilities:

  • Created CI/CD Pipelines in Jenkins using Github and Bamboo and scheduled jobs using POLL SCM option.
  • Configured Nexus Artifact repository to maintain scripts and multiple application versions and integrating with Jenkins for automating deployments.
  • Installed Weblogic Server 12.1.3 on Windows 2012 R2 server for deploying 3rd party application used for Billing and pricing analysis across different environments like DEV, QA, UAT, PROD and DR.
  • Configuring SAML Single Sign On with Microsoft ADFS.
  • Installation of Weblogic as Windows service on Windows 2012 server for all the environments.
  • Configured weblogic Resources like Data Sources and Security Providers
  • Creation of batch scripts to encrypt and decrypt passwords used for deployment.
  • Installing and Configuring of App Dynamics v4.1.4.3 on Weblogic for performance monitoring across multiple environments.
  • Installed and configured splunk log monitoring tool.
  • Created Run Books on procedures, installation, deployment.
  • Provided 24x7 support to the application.

Environment: WebLogic 12.1.3, Jenkins, Bamboo, Nexus Artifact Repository, App Dynamics 4.1.4, Windows Server 2012 R2, Oracle 12c, Shell scripting, WLST scripting, Splunk log monitoring.

DevOps/Build Engineer

Confidential, Charlotte, NC

Responsibilities:

  • Worked on Installation, builds and configuration of WebLogic 11g, 12c (12.1.1, 12.1.2, 12.1.3) on RHEL 6.x for Test and Production Environments.
  • Automated WebLogic Servers Upgrades from version 10.3.5 to 10.3.6 by use of Shell scripts.
  • Performed installation and configuration of VFabric ERS Apache webservers 2.2.
  • Configured Spring Tomcat Server 3.0.1 across various Test environments.
  • Installation and configuration of Docker containers from base images.
  • Used Docker to deploy J2ee Apps and services.
  • Launched AWS EC2 instances (CentOS) and Configuring launched Implemented VPC, Auto Scaling, S3, EBS, ELB, CloudFormation templates and CloudWatch services from AWS instances with respect to specific applications.
  • Created S3 buckets and managing policies for S3 buckets and Utilized S3 bucket and Glacier for storage and backup on AWS.
  • Used AWS IAM to create and manage AWS users and groups, to allow permissions or deny their access to AWS resources.
  • Configured and managed multiple Jenkins jobs.
  • Involved in developing and enhancing the WLST scripts for Automation of Application server startup without manual intervention.
  • Automated JDK upgrades from 1.6 to JDK 1.7 across organization.
  • Install and configured Splunk for log monitoring.
  • Upgraded wily agent (wily 8.2.3.0) to Wily Introscope Agent 9.5 across the Enterprise.
  • Performed application deployments and migration using SCMPro tool using Borland Starteam version control system.

Environment: Docker, Jenkins, Oracle WebLogic, IBM WebSphere, Wily Introscope, Tomcat, RHEL, Oracle 10g, Apache Web Server, Shell scripting, WLST scripting, Splunk, SCMPro, Borland starteam.

WebLogic Administrator/Build Engineer

Confidential, Mount Laurel, NJ

Responsibilities:

  • Installation, upgradation of Oracle WebLogic Server 10.3/11g on Red Hat Linux 4.1.2.
  • Worked on Oracle BPM, Workspace 10.3 by publishing new projects, creating security roles and publication of projects.
  • Configured and monitored Apache 2.2 web servers with WebLogic proxy plug-ins.
  • Deployed applications on multiple WebLogic Servers and maintained Load balancing, high availability and Fail over functionality to Disaster Recovery sites.
  • Created security roles, group policy, user authentication, auditing and authorization.
  • Configured Secure Sockets Layers (SSL) for data encryption and renewal of Certificates for client authentication for WebLogic 10.3/11g using Keytool.
  • Monitoring server logs and domain logs during application deployment for performance tuning.
  • Extensively worked on HP BAC, HP Sitescope, Splunk monitoring tools for setting up alerts and triggers.
  • Involved in performance tuning of JVM by analyzing garbage collection metrics.
  • Involved in bridge calls with other team members and developers for resolving the high priority issues in the Production Environment.
  • Provided 24/7 application support to all production applications.

Environment: WebLogic 9.1/10.3/11g, Wily Introscope 7.x, RHEL 5.x, Oracle 10g, Apache Web Server 2.x, Shell scripting, HP BAC, HP Sitescope, Splunk, Sysedge.

WebLogic Administrator

Confidential, San Ramon, CA

Responsibilities:

  • Installation and administration of Oracle WebLogic Server 10gR3 on RHEL 5 and AIX for Development, Testing and QA environment.
  • Developed scripts (start, stop, backup) for WebLogic application server administration.
  • Documented system architecture and major configuration changes and procedures.
  • Involved in Administration and deployment of J2EE applications.
  • Configured BMC Patrol and registered server instances for monitoring, scheduling blackout periods, and alarm notifications using BMC patrol KM.
  • Managed and Monitored the JVM/OS performance by Heap Size, garbage collection, performing Thread dumps analysis.
  • Configured Secure Sockets Layers (SSL) for data encryption and renewal of Certificates for client authentication for WebLogic 9.2/10.3 using Keytool.
  • Coordinated with the Application Support team to identify and fix issues in WebLogic environment.
  • Dealt with troubleshooting issues like Server hang, Application Deadlock, Out of Memory (OOM), High CPU usage, Connection pool status.
  • Worked on BMC Remedy tool for incident management and KPI.
  • Provided 24/7 application support to assigned production applications.

Environment: WebLogic server 8.1/9.2/10.3 , 11g, RHEL, AIX 5.x, WLST, Shell Scripting, samurai, Jprobe, Mercury QC, BMC Patrol KM, BMC Incident Management.

WebLogic Administrator

Confidential, CA

Responsibilities:

  • Installation up-gradation and administration of Oracle WebLogic Server 9.2/10.3 on Sun Solaris 10 for development and production environment.
  • Configured and monitored SunOne (iPlanet 6.x) web servers with WebLogic proxy plug-ins.
  • Involved in writing and maintaining WLST scripts for domain creation and application deployment.
  • Configured and administered JDBC connection pools and data sources.
  • Migration of WebLogic from 9.2 to 10.3 in different environments.
  • Installed and configured Wily CA agent, Wily enterprise manager and Introscope Workstation for monitoring performance.
  • Involved in performance tuning of JVM by analyzing garbage collection metrics.
  • Monitoring server logs and domain logs during application deployment for performance tuning.
  • Provided 24/7 application support to production applications.

Environment: WebLogic 9.2/10.3, Wily Introscope 7.x, Solaris 10/8, WLST, Oracle 8i/9i/10g, iPlanet Web Server 6.x, Shell scripting, samurai.

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