SESHA PARIMI

Contact: 815-***-****

Email: adkesn@r.postjobfree.com

PROFESSIONAL SUMMARY:

9+ years of Professional experience in Software Configuration Management, Version Control, Build and Release management, Change management, Cloud Integration.

5+ years of experience with developing and delivering comprehensive CI/CD pipelines.

Hands on experience in AWS provisioning and good knowledge of AWS services like EC2, ECS, S3, Glacier, ELB, IAM, Route 53, VPC, Auto scaling, Cloud Front, Cloud Watch, Cloud Trail, Cloud Formation, Lambda, SNS, Security Groups etc.

Experience in managing infrastructure resources in cloud architecture with close coordination with various functional teams

Experience with Jenkins as Continuous Integration / Continuous Deployment Tool and strong expertise with Ant and Maven Build tools

Experience as Middleware Administrator with Oracle WebLogic Server 9.x/10.x/11g/12c on various multifarious environments like Red Hat Linux, Sun Solaris, Windows 2003/2008, HP-UX, and IBM AIX.

Expertise in Dev ops tools- Ansible, Jenkins, GitHub, Sonar, Cucumber, maven.

Create DevOps scripts using Groovy, Shell Scripting, Python or Java.

Experience with Configuration Management automation tool Ansible and has worked on integrating Ansible YAML Scripts.

Experience with AWS (Storage, Application Services, Deployment and Management) and managed servers on AWS platform instances using configuration management tool

Experience in working with CloudFormation templates and Terraform to create AWS Cloud resources.

Experience in managing infrastructure resources in cloud architecture with close coordination with various functional teams.

Proficient in setting up and configuring Baselines, Branching, Merging, and Backup through GIT .

Experience in working with the Containerization concept using Docker and developing Docker images to support Development and Testing Teams and their pipelines

Experience as a Build and Release Engineer in automating, building, deploying, and releasing of code from one environment to another environment

Experience in deploying different Java application war files, EJB jars files and enterprise application archives (ear) on Web Logic Server.

Excellent knowledge in writing build / deployment scripts to automate the process using Ant / Maven

Very good knowledge in automation of processes using Python & UNIX scripting (Bash).

Experience in setting up Load Balancing and performance fine-tuning on Web Logic Server Clusters and Thread dump analysis.

Worked with the application development team and the architecture team during the detailed design phase of the project.

Experience in Oracle Fusion Middleware Technologies Oracle SOA suite 11g/12c and Oracle OSB 11g/12c.

Experience in WLST, Shell and ANT scripts to automate administration tasks.

TECHNICAL SKILLS:

Application/Web Servers

:BEA’s Web Logic Server 10.3/9.1/6.0, BEA’s Web logic Portal 9.2,10.3, Oracle Application Server 10.3.x, Apache Tomcat HTTP Server, Server 3.5, iPlanet 6.x, Microsoft IIS 5/6/7.

AWS

EC2, S3, ECS, Route53(Geo, Failover, weighted), Lambda, SNS, Performance/Resiliency testing on cloud, Auto Scaling, Alarms, Cloudwatch Monitoring, CloudFormation, API Development. API Gateway, Cloud Waze, Grafana, Mimeo

Technologies/Tools

Networking

::Java, ASP, ASP.NET, HTML, DHTML, CSS, Spring Boot, Ansible, Docker,

OpenShift, Kunernetes, Jenkins, Informatica.

: TCP/IP, HTTP, HTTPS, T3, SOAP, RMI, SSL, NAT, VPN, CISCO Switches/Firewall, LDAP, and F5 load balancer.

Programming Languages

: Java (JDK), J2EE, JSP, JNDI, RMI, SQL, PL/SQL, JDBC/ODBC, VB, PL/SQL, T-SQL, JAVA, PHP, PERL, C, C++.

Scripting Languages

: Ansible, WLST, JavaScript, VBScript, UNIX Shell scripting, Perl,Python,NSH,PowerShell.

Databases

: Oracle, My SQL, MS Access, IBM DB2, SQL Server 2005/2008/2012, Denodo

Operating Systems

:: Solaris 8/9/10, Red Hat Linux, WINDOWS 98/NT/XP/2003/2008, UNIX,LINUX.

EDUCATION

Master of Science in Managing Information Technology. KY, USA

Masters and Bachelors of Technology in Information Technology. AP, India

CERTIFICATIONS:

AWS Certified Solutions Architect – Associate

AWS Certified Cloud Practitioner

Oracle Cloud Infrastructure Cloud Operations Certified Associate

Oracle Cloud Infrastructure Certified Architect Associate

Oracle Cloud Infrastructure Foundations 2020 Certified Associate

Programming in HTML5 with JavaScript and CSS3

PROFESSIONAL EXPERIENCE:

FREDDIE MAC, Mc Lean, VA Sep’16 – Aug’20

Role: DevOps engineer / Integrations Specialist

Worked on several projects and providing solutions to integrate several application. Provide certification to new products and provide architectural solution for high availability.

Responsibilities:

Handle multiple builds from Development and Production team, create build jobs in Jenkins and perform deployment activities using Ansible.

Used automation tools like Bladelogic/Jenkins/Ansible for building/configuration of WebLogic, Apache, and tomcat environments and installing JDK.

Work with DevOps technologies and processes such as Ansible, Jenkins, CI/CD Pipelines, Docker.

Working in build tool such as Jenkins, Artifactory, Maven.

Troubleshooting issues related to configuration and JVM, by tuning JVM parameters and resolve performance issues.

Supporting the infrastructure 24x7 as part of Production Support tasks and maintenance.

Automated various application deployments by configuring and using CI/CD pipelines across multiple applications and agile teams across all environments

Integrated test automation scripts to be executed as part of the pipeline workflows

Created and updated JenkinsFile to include build and deploy of multiple versions of an application

Created multiple playbooks (YAML files) as part of pipelines for configuring the infrastructure required for the deployments

Integrated SonarQube as part of the pipeline steps to generate code coverage reports.

Integrated test automation suites for cucumber and selenium to generate testing results as part of the pipeline steps

Manual and scheduled triggering of Jenkins builds and troubleshooting the errors in case of build failures

Experience in working with the Containerization concept using Docker and developing Docker images to support Development and Testing Teams and their pipelines

Experience in creating Docker Containers leveraging existing Linux Containers and AMI's in addition to creating Docker Containers from scratch.

Support applications and microservices built using Spring Boot framework and REST APIs.

Automation using Openshift CLI and Shell scripts to monitor microservices, health, deployment / image metadata of applications deployed on Openshift/Docker platform

Work on autoscaling setup, creation of shared projects, routes, deployment configurations, secrets and app resources in Openshift container platform.

Used Splunk, Kibana and Spectrum to monitor the logs and configured critical alarms.

Expertise in using Source Code Management tools such as GitHub, Gitbash, Bitbucket.

Worked on deployment activities to support several Informatica applications and creating CI/CD pipelines for informatica deployments

Worked on developing the pipelines in Jenkins for automating DB2 database deployments across all the environments

Used the task management tool JIRA and documented the root causes and solutions using confluence in the Agile environments.

Experience managing and implementing CI/CD pipeline using Jenkins and creating and managing new users to Jenkins and providing permission.

Working on migration of all middleware applications including JBoss, WebLogic 11g/12c from on prem to AWS cloud.

Created tagging standards for proper identification and ownership of EC2 instances and other AWS resources.

Manage IAM policies, provide access to various AWS resources, design and refine the workflows used to grant access.

Extensively used S3 services within AWS, configured data buckets and collect daily market data to various app specific buckets that are consumed by downstream Microservices.

Experience in setting monitoring for Docker containers running on Kubernetes using Prometheus.

Hands on experience on Docker hub, creating Docker images and handling multiple images primarily for middleware installations and domain configuration.

Strong knowledge on Docker components like Docker Engine, Hub, Machine, Docker Compose and Docker Registry.

Worked on development lifecycle process/Agile development through GitHub, Bitbucket, Jira confluence and Nexus.

Hands-on-experience in creating the Docker images using the existing Maven-based images as the base images to compile and package the application.

Experience with container-based deployments using Docker, working with Docker images, Docker hub and Docker Registries.

Installing, configuring, and administered WebLogic Server 11g/12c, SOA Suite 11g/12c, Apache Tomcat in Linux and Sun Solaris environments.

Responsible for Installation, Configuration, Tuning and troubleshooting of WebLogic Server and migration of applications from WebLogic 11g to 12c

Automate Builds and configurations using Shell/WLST/Python scripting for Weblogic, Tomcat, Apache and Appian

Automation and implementation of Weblogic/SOA/OSB provisioning.

●Installation and Configuration of high availability Weblogic 12c/SOA Suite 11g in a clustered environment.

●Experience in upgrade of SOA/OSB/BAM from 11g to 12c and minor version upgrade from 12.2.1.0 to 12.2.1.3.

Troubleshooting issues related to configuration and JVM, by tuning JVM parameters and Installing patches, upgrades and enhancements in Middleware.

Assisting ADO’s in Nexus/GitHub repository management to push the code.

Environment: WebLogic 11g/12c, SOA, OSB GIT, Informatica, Rapid SQL, Win SCP, Oracle Enterprise Linux 5.x, JRockit- 1.6, Apache Webserver, Jenkins, Spring Boot, Docker, Open Shift, Kubernetes,Oracle 11g, SOAP UI, Service Now, JSON, Jenkins, BitBucket, IBM DB2, JIRA, Service Now, JAVA, Spring, Spring Boot, Jdeveloper, Eclipse

Digital Intelligence Systems LLC, McLean, VA May’16 – Sep’16

Role: WebLogic/Middleware Admin

Working for FreddieMac as a Middleware Admin/Integrator supporting various applications for Data integration Team

Responsibilities:

Configure WebLogic Application Server 10.3.6/12c in DEV, SIT and UAT environments.

Deployed applications on multiple WebLogic server instances maintaining Load Balancing and High-Availability

Configured and administered connection pools, multi-connection pools and data source objects for JDBC connections.

Configured JNDI server as repository for EJB Home stubs, JDBC data source, JMS connection factories, queues and topics.

Troubleshot emerging application issues i.e. WebLogic configuration to code issues

Extensively involved in performance tuning and monitoring of various applications.

Responsible for Application deployment (WAR, JAR, EAR) in WebLogic clustered and non-clustered environments.

Expert in configuring and deploying web applications on Tomcat application server.

Upgraded the WebLogic servers with necessary patches and service packs.

Created the connection pools, data sources, JMS servers, JMS destinations.

Configuration of LDAP providers on WebLogic Server, managing realms and configuring security settings in Weblogic.

Worked on deployment activities to support several Informatica applications.

Co-ordinated with various teams to support weblogic deployments activities.

Extensively use GIT for code merging and creating branches/tags.

Worked as an Integrator to support applications in production and non-prod within FreddieMac.

Worked with developers and DBAs to co-ordinate various deployment tasks and create documents as per project needs.

Provided support for non-productions and Production environments.

Environment: WebLogic 10.3.x/10.3.6/12c, GIT, Informatica, Rapid SQL, Win SCP, Oracle Enterprise Linux 5.x, JRockit- 1.6, Apache Webserver, Tomcat, Oracle 11g, SOAP UI, Service Now

EMAESTRO TECHNOLOGIES INC Sep ‘14 – Apr ‘16

Role: WebLogic/Middleware Admin

Worked at different client locations to support various projects and applications as per the client’s requirements.

Responsibilities:

Installed WebLogic 12c and configured WebLogic domains for upgrading applications running on WebLogic 10.3.x/12c in Development, Test and Production environments on Solaris 10 using jdk1.7.0_45/51.

Responsible for Installation, Configuration, Tuning and troubleshooting of WebLogic Server and migration of applications from WebLogic 10.3.xx through 11g/12c.

Extensively worked on the Node Manager Configuration, Deployment of components and performance tuning including troubleshooting and maintenance.

Configured Clusters, load-balancing and fail-over solutions and Web Server plugins for WebLogic application server.

Deployed Enterprise Java Beans (EJBs), Web Applications, Enterprise Applications and configuration, troubleshooting performance.

Web Server / Proxy Server Setup and Administration for Apache 2.2/2.4.

Worked closely with development and testing teams to implement fixes in Testing and Production environments.

Installed the Oracle SOA on top of WebLogic and having hands on experience on SOA BPEL deployment and troubleshooting issues.

Created repositories using RCU (Repository Creation Utility).

Involved in upgrading from WebLogic Server 9.2/10.3.xx/11g to WebLogic Server 12c.

Responsible for installation, configuration and maintenance of J2EE applications on WebLogic Application Server in a multi clustered high availability environments.

Involved in performing patch upgrades, SP (service pack) installations & SSL certificates renewal.

Performed Managing and Monitoring the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and taking Thread dumps and analyzing to find the problems in application.

Used config wizard extensively to create and manage WebLogic domains

Used BMC Remedy to generate problem tickets.

Used Config wizard and WLST scripts to create and manage WebLogic domains.

Apply and Configure Security patches at WebLogic, JDK and Application levels

Provided 24*7 on call support & Interaction with Oracle/BEA, SUN on issues and resolution.

Environment: Web Logic 12c/11g/10.3, Apache, Windows (NT, 2000, XP), Linux, Solaris 8/9/10, Oracle 9i/10g/11g, JDK1.6.0_10/JDK1.7.xx/JDK 1.8.XX, JDK1.5, JDK1.4, JRockit, PVCS, Clear Case, LDAP, WLST, Shell Scripting.

Client: Influx Solutions, Hyderabad, India May ‘11 – July ‘12

Role: Middleware Admin

Responsibilities:

Installed, Configured and Administered BEA WebLogic Server 10.3 and 10.0gR3 MP1 in Development, Staging, QA, Load Test and Production environments.

Involved in the configuration and administration of Apache Web Servers, including installation and configuration of WebLogic proxy Plug-ins to proxy load balanced requests.

Deployed various WAR, EAR, JAR applications in Domain and clustered environments and maintained Load Balancing, High availability and failover functionality.

Configured and administered JDBC data sources, JMS servers, JMS modules, and JNDI

Installed, upgraded patches, deployment, monitor, tuning and configuration of WebLogic Application Server in multi cluster/server environment.

Configured Node Manager for administration of Managed servers.

Monitored and tuned JVMs, JVM heap size JDBC connections pools, garbage collections, Java stack and Native thread results in Development, System Test, Staging and pre-production.

Creating new file system, monitoring free space, disk usage, locating files, checking and clearing log files, administration and monitoring of disk based file system.

Involved in configuring Web Security tools – LDAP server, SSL certificates.

Monitored performance metrics using Sitescope monitoring tool.

Provided 24/7 on-call support for production and non-production environments which included product test, staging, training and break fix environments.

Coordinate web platform infrastructure changes following standardized change control process.

Environment: BEA WebLogic Server 10.3/10.0gR3, Tomcat 5.5, Apache Web Server 2.2, Red Hat Linux 5.2, JDK 1.5/1.6, Introscope 7.2.x, SSL, LDAP, J2EE, JDBC, JMS, Clear Quest, CVS, SVN, Sitescope.

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