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Sr Middleware/devops Consultant Resume

Ashburn, VA

SUMMARY

  • 8+ years of broad involvement in the IT Business on WebLogic Administration Monitoring, Troubleshooting and Maintenance.
  • Experience working on WebLogic Server (10.x/11.x/12c)/Tomcat, Apache, TibcoSilverFabric containerization, Mule ESB, and intermediate knowledge on WebSphere activities.
  • Expertise in DevOps technology using Ansible, GitLab, Jenkins, Artifactory, Jira and SonarQube.
  • Extensive experience working closely with functional groups, Application Developers, Quality Assurance and Network/System Engineering providing planning, defining, documenting, configuring, testing, deploying, supporting, and troubleshooting middleware issues.
  • Experience working in Waterfall, Agile - Scrum methodologies.

TECHNICAL SKILLS

Cloud Platforms: Amazon Web Services and C3 (Cloud Computing Concepts)

DevOps Tools: Ansible, GitLab, Jenkins, Artifactory, Jira and SonarQube

Application Servers: WebLogic Server (11g & 12c), Tomcat, Oracle SOA Suite 12c, Forms & Reports, and IBM WebSphere and WebSphere MQ

Containerization: Open Shift and TIBCO Silver Fabric

Configuration: Tluts Token

Web Server: Apache Web server and Oracle HTTP Server

F5 load balancer: LTM Administration: Virtual servers, VIP, SNATs, Pools, Profiles, Pool members, Health Monitors, NAT, Load balancing methods, SSL offloading & iRules

Operating System: Linux, AIX, Solaris, and Windows

Databases: Oracle and SQL

Management Tools: Service Now, MarketPlace Jira, ALM and DSS

Deployment tools: CloudBees CD (Electric pipeline), UDS and Serena

Monitoring Tools: Splunk, AWS Cloud watch, Prometheus, Dynatrace

PROFESSIONAL EXPERIENCE

Confidential, Ashburn, VA

Sr Middleware/DevOps Consultant

Responsibilities:

  • Experience in Amazon Cloud Services and its features (AWS EC2, VPC, EBS, AMI, snapshots, Auto scaling, Cloud Formation, SNS, RDS, ELB, EBS, Cloud Watch, S3, etc).
  • Built CI/CD pipeline using Jenkins and installed necessary plug-ins needed for automation in Jenkins.
  • Provisioning WebLogic and tomcat application servers on Tibco Silver fabric container.
  • Providing the user and group access into GitLab.
  • Performed admin activities in Gitlab and Artifactory
  • Creating new artifactory repository, upload and delete artifact tasks.
  • Creating the Jenkins folders, Jenkins standard pipeline and Jenkins Docker pipeline.
  • Troubleshooting and resolving Jenkins’s pipeline failures.
  • Contributed to validation of CI tools post OS patching and sending the notification to application stack holders.
  • Adopted the Jira tool for BAU and automation work.
  • Syncing code on all environments (ST, AT, PF and Prod) using CloudBees, Serena and UDS automated tools.
  • Involving the patching activity during maintenance window.
  • Configuring and monitor the F5 load balancer, MuleSoft and ESB routing.
  • Have involved on F5 upgrade failover/Stand by on various environments.
  • Have migrated applications from TIBCO silver fabric to Openshift Containerization platform.
  • Deploying WAR, JAR & EAR applications using CloudBees, Serena and UDS automated tools.
  • Have contributed on Configuration of Splunk monitoring dash boards for middleware application servers (WebLogic, tomcat, Websphere, MDM and Apache).
  • Resolving the QA ALM defects within SLA’s.
  • Installation and configuration of WebLogic 11g/12c on containerized cloud servers.
  • Managed pre-validation and post OS patching validation and permanent resolutions of issues.
  • Performed Code migration and release chain management using in house tool and Serena.
  • Lead Splunk alert configurations and monitoring with responsive actions for high availability of complete environment.
  • Managed memory leaks, adjustment of JVM Heap size, Perm size by tuning application server using Jconsole and monitoring error logs
  • Been a gatekeeper of change process and blocking any change violations based on the change schedule and code freezes.
  • Design, develop and Implement infrastructure solutions for middleware applications by engineering and configuring the IBM Websphere MQ, and Message Broker
  • Design, implement and maintain integration systems infrastructure including fault tolerance and high availability solutions. Design and develop Integration solutions based on IBM MQ and Message Broker technologies.
  • Install and configure IBM Websphere MQ and Message Broker on UNIX and Windows based environments.
  • Defect resolutions within the tight SLA defined along with follow ups from corresponding teams to bring the issues to closure within the Privacy space.
  • Joining and providing the updates of Jira stories in scrum meetings on weekly basis.

Confidential

Sr. Software Consultant

Responsibilities:

  • Installed and configured WebLogic Suite on multiple environments such as DEV, UAT, QA, PROD.
  • Installed and configured OHS DMZ and MPN Servers and mapped them to a WebLogic Application server.
  • Handled production incidents, queries, problems through ServiceNow ticketing system and non - production issues/tasks/incidents through JIRA ticketing system.
  • Created and configured domains for DEV, UAT and PROD Environments.
  • Upgraded SSL to TLS Protocols on the OHS and WebLogic servers.
  • MaintainedF5loadbalancer, high availability and fail over functionalities.
  • Monitored error logs, fixed problems, and tuned parameters in theWebLogicenvironment.
  • Verified the F5 Configurations and configured the same on the OHS.
  • Configured WebLogic clusters in Heterogeneous Environments for High Availability and Scalability.
  • Installed and configured Apache HTTP 2.0 Web server.
  • Configured Node Manager for JVM’s.
  • Configured and administered JDBC Connection Pools and Data Sources on WebLogic.
  • Monitored the OHS and WebLogic Applications using Oracle Enterprise Manager (EM) console.
  • Customized the views in Oracle Enterprise Manager Console.
  • Raised a Service Request (SR) to Oracle support for the unresolved issues and coordinated with them to resolve the issues.
  • Conceptual Knowledge in configuring JMS Servers, Queue’s, Topics and Connection Factories.
  • Found the Memory Leaks and adjusted the JVM Heap Sizes and GC Parameters.
  • Resolved all the SSL, Handshake, Protocol, Code Level, Application Deployment, OHS Server and Up-gradation related issues as per the Service Levels.
  • Applied WebLogic Patches using BSU utility and OHS Patches using ORAPKI utility.
  • Generated and submitted requests for SSL to the respective vendor groups.
  • Imported the certificates received from the vendors and installed on the WebLogic Server.
  • Worked as per the Electronic Payment Card Services (EPCS) and Payment Card Industry - Data Security Standards (PCI-DSS) compliance standards.
  • Created WebLogic Users as per the requests assigned to access the WebLogic console.
  • Generated User config file and Store user config file to authenticate the Node Manager by accessing the script.
  • Provided Development team withthreaddumpsand heapdumpsusing Jstack and Jhat.
  • Upgraded Java versions using soft links.
  • Taken TCP dump and analyzed using Wireshark.
  • Performed root cause analysis and suggested tuning methods for Server problems like Server Crashes, Hangs and Out of Memory issues in various JDKs such as SUN JDK and BEA JROCKIT.
  • Troubleshooted everyday problems and issues by interacting with development, database, and testing teams.
  • Installed and configured Forms & Reports 11g version.
  • Integrated with Oracle WebLogic Server, which resulted in simpler administration of complex topology and deployments.
  • Managed and monitored Oracle Report componentsusing Oracle Enterprise Manager, included with Oracle Fusion Middlewareand Oracle Process Manager and Notification Server (OPMN).
  • Started, Stopped and Restarted Oracle Reports Components using OPMN.
  • Compiled Oracle Forms Database servers.

Confidential

Software Engineer

Responsibilities:

  • Performed WebLogic Server Installation, Domain Creations.
  • Performed Start / Stop WebLogic Server Instances through admin console and startup scripts.
  • Created and managed the servers and configured to Clusters.
  • Deployed the WAR, JAR and EAR applications in WebLogic Server.
  • Worked on Service Now ITSM tool to track the open issues raised to the WebLogic teams.
  • Configured the Environment Variable for all the environments as per the requirement.
  • Deployed applications to cluster and maintained Load Balancing, high availability for the applications.
  • WebLogic server performance monitoring, WebLogic Server Maintenance.
  • Monitored the server logs during load test using Introscope.
  • Monitored Application Performance in Administration console.
  • Configured Node Manager for Application servers.
  • Configured and administered JDBC Connection Pools and Data Sources/Multi Data Sources on WebLogic.

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