Mohammed Khan

***- ***-****

adzpho@r.postjobfree.com

* ***** ****** ********** ** Oracle (BEA) Web Logic 8.x/9.x/10.x/10.3.x/11g/12c and 14c JBOSS AS 7.0/6.0/5.1, Tomcat 7/6.x/5.x/4.1, WAS

Experience with installing, configuring, administering, implementing and performance tuning clustered SOA environments (11g,12c and 14c)

Have expertise on installing end to end SSL certs.

Experience in Installation and Administration of Oracle WebLogic Application Server, Oracle Forms & Reports, Webserver, SSL on UNIX, and WINDOWS platforms irrespective of versions.

Skilled in establishing SSL profiles for MQ SSL, HTTP HTTPS and FTP SFTP

Established factory DataPower in DMZ network configured IP's eth 1 mgmt. port over PCI network

Managed vendor-based application and provided technical support.

Good working experience in setting up multiple domains, including Administration

Servers, Managed Servers, Machines, Node managers in different cluster environments.

Hands on experience in Applying Fix Packs using Smart update utility on WebLogic.

Configuration and management of WebLogic Application servers Deployment of Web / Enterprise (war, ear) applications.

Good at analyzing and troubleshooting problems related with installation of WebLogic application server, Starting/Stopping Servers, Application installation, and configuration of Web server with Application server.

Experience in providing administration support in various environments like development, staging and production Configuration and set up of web and application server instances including Clustered and Non-Clustered environment – Load balancing setup and maintenance. Created and configured Data sources, connection pools for Oracle

Provided on call support on 24/7 basis good experience in administrating by using Admin console.

WebLogic Administration, Monitoring and Troubleshooting using Admin Console.

Installation, configuration, administration and maintenance on Red Hat Linux 4/5/6, Sun Solaris 9/10, AIX 5.3, V6.1 and Windows XP/ 2003/2008.

Experience in Continuous Integration, Continuous Delivery, Test Automation and DevOps with Middleware Administration experience in Agile methodologies.

Production support engineer providing 24/7 expert technical support and consultation for WebLogic, JBoss, MQ Series Messaging, and web servers running on AIX 5.3, V6.1, Solaris 9/10 and RHEL 4/5 operating systems.

Experience in Installed, configured JBoss 6.x/7 software binary in all environments.

Remarkable experience with JBoss EAP administration and good understanding of J2EE architectures, J2EE technologies and SOA.

Familiarity with RHEL 5, JBoss EAP, JBoss AS 7.0, Apache 2.4, Tomcat 6.0, JON and proficient with JBoss EAP 5.0 to 6.0.

Expertise in the Administration, Installing, Configuring Web Servers like Oracle HTTP Server, Apache 2.0/2.2/2.4.x, Sun One 6.1, Web Server (iPlanet) and Microsoft IIS Server.

Extensive experience in SOA, SOAP, REST Web Services, and BPM using Oracle SOA, BPM, BPEL, OSB.

WebLogic and Tomcat Administrator experience, with knowledge in clustering, JMS, Connection Pools, J2EE Deployments, Thread Dump Analysis.

Experience with enterprise tools like Control-M and Patrol.

Responsible for providing onsite training on basic agile principles, Scrum framework and Kanban.

Responsible for standardizing processes across all teams and programs and portfolios.

Performed root cause analysis and suggested tuning methods for Server problems like Server Crashes, Hangs and Out of Memory issues in various JDKs like SUN JDK 1.4.x/1.5.x/1.6.x and BEA JROCKIT 1.4.x/1.5.x/16. x.

Expertise in migration and upgrading of WebLogic Server and updating JDK versions and installing patches for WebLogic server.

Experienced on capacity planning and performance tuning of J2EE applications and platforms.

Involved in analyzing IIS logs to collect information about server events, server performance, and user activity while troubleshooting.

Experience in implementing SOA solutions for Health Insurance Exchanges and Medicaid Integrated Eligibility systems which includes integration with OPA, Siebel, Federal Data Services HUB, and Carriers.

Strong experience with Java 1.7 and 1.8.

Successfully completed the version upgrades (SiteMinder from 12 to 12.x, and 6.x to 12.x) on UNIX and Windows platforms.

Experienced in migrating Oracle SOA based projects

Understanding of internet standards such as DNS, HTTP, HTML, JDBC, XML, SSH and SNMP.

WebLogic routine tasks. Linux (Red Hat) and Solaris experience.

Expertise in Handling Code Releases and Deploying applications in Production.

Knowledge of storage systems such as NAS, SAN, and RAID Array.

Experienced in finding the Memory Leaks and adjusting the JVM Heap Sizes and GC Parameters.

Professional Experience

TCS (client – Qualcomm) (ACME Support) June 2023 – Till Date

collaborated with cross-functional teams and worked on open source and oracle products to implement ACME protocol.

Implemented Let's Encrypt ACME protocol for automated SSL certificate provisioning and renewal.

Installed WIN-ACME client on Windows IIS servers and documented the process for the team.

Installed ACME certbot on WebLogic server and integrated with the company ACME server.

Installed ACME certbot on Apache web server and Oracle OHS server to automate the SSL certificates using ACME.

Developed a custom ACME client to integrate ACME-based certificate management into the company's infrastructure.

Assisted in integrating Let's Encrypt SSL certificates into client projects, improving website security.

Developed automated scripts for routine tasks, improving team efficiency.

United Health Group (Middleware/DevOps Admin) May 2020- May 29th

Managing incident, problem, change, release, configuration, service level, availability, and capacity.

Delivering an outstanding level of Middleware administration and 24/7 on-call support across all systems, ensuring that the systems meet or exceed their SLAs.

Tuning servers and applications for better performance. Troubleshooting the emerging application issues, from server configuration

Analyzed Log files such as WebLogic server logs, node manager logs, Plug-in logs, and thread dumps for troubleshooting and Problem determination to resolve issues.

Used UNIX shell scripts on Linux and WLST scripts to start/stop admin and manage servers and to deploy different applications like .war or .jar files.

Managing and installing patches, upgrades, and enhancements on Middleware products.

Monitoring hosts, servers, applications, domains, components, and composites using OEM and Dyna trace, and the memory and CPU usages using health check reports.

Optimizing the memory usage by tuning Garbage Collection.

Monitoring WebLogic/OHS Server health and security.

Performed tuning of Middleware products, including WebLogic, Oracle SOA, OBIEE, ODI, and OHS Server.

work with other support teams (OS, Network, Security, applications, databases, and various endpoint connections) for project and production support.

Supporting monthly OS patching activity.

● Worked on installation and configuration of Apache Web Server and OHS Web Server.

● Installed and Configured JBoss 6.1 on Dev, Test, Training, and Prod Environments and Provided support.

● Provided Support to migrate from the WebLogic server to JBoss.

● Involved in the upgrade of JBoss 6.1 to JBoss 7.1 over 10 Servers.

● Performed JBoss server administration tasks like configuring both horizontal and vertical cluster environments, deploying applications, configuring JMS servers, Certificate Renewals, and JDBC data sources.

● Installation, configuration, and administration of the clustered H/A environments in Development, Test, QA and Production.

● Managing and installing patches, upgrades, and enhancements on Middleware products.

implemented and maintained Jenkins pipelines to automate build, test, and deployment processes.

Integrated SVN version control into Jenkins pipelines, enabling efficient source code management.

Utilized Apache Ant to automate build processes, including compilation, testing, and packaging.

Created custom scripts in Bash to enhance pipeline functionality and automate routine tasks.

Collaborated closely with development teams to optimize build and deployment workflows.

Played a key role in troubleshooting pipeline issues and ensuring smooth operation.

Oracle WebLogic 11g/12c, OEM 11g, Red Hat Linux, Service Now Gov, Dyna Trace, Oracle Policy Manager, BI Publisher 12c and Liferay Portals,Jenkins,ANT,SVN.

The Standard Insurance Company Nov 2019 – May 2020

JBOSS Automation Engineer

RESPONSIBILITIES:

Worked on migration from Jboss 6.2 to Jboss 7.1

Supported in Migration of 50 applications running in Jboss 6.2 to 7.1.

Automated CLI configuration scripts for 40 plus applications

Created Repositories on GitHub

Deployment of application on XL-Deploy.

Maintain the code versions and deployed to Different environments using Git.

Created and scheduled the jobs on Jenkins.

Used Docker to provide an additional layer of abstraction and automation of operating-system-level virtualization on Linux.

Troubleshoot the Jenkins build issues, GIT issues.

Administering Jenkins and Setting up Jenkins Master and Slave.

Setting up the automation environment for Application team if necessary and help them through the process.

Involved in daily stand-up meetings, reviews, retrospectives, sprint and release planning, demos, and other Scrum-related meetings.

Used JIRA tool for managing Scrum/Kanban, artifacts and team performance.

FINRA, Rockville, MD May 2018 – Oct 2019 WebLogic/JBOSS Admin

RESONSIBILITIES:

Built and managed a large deployment of Red Hat Linux instances systems

Understanding/Studying/Coordinating with developers/vendors/teams the requirements of the BNP France and ensuring free rollout of patches.

Providing end to end delivery of the project comprising of several teams.

Analyzed Thread dumps and Heap dumps for trouble shooting issues which basically popups after any release.

Involved in performance tuning of JVM and used Garbage collection algorithms for better performance.

Provided the infrastructure and application integration support for server maintenance.

Deployed WAR, JAR, and EAR applications in WebLogic environments.

Configured and deployed applications in various work environments like development

and production. Expertise in using Ansible to manage Web Applications, Config Files, Data Base, Commands, Users Mount Points, and Packages. Ansible to assist in building automation purposes.

Worked on applying patches and recommending necessary security fixes for web Application servers

Troubleshoot the build issue during the Jenkins build process.

Enable customers with better managing software development, and infrastructure with tools such as Ansible and GitHub.

Version controlled the source code of ARM Templates, Shell Scripts, Ansible plays, PowerShell Scripts using Git/Bit Bucket version control system.

Developed Groovy and Shell scripts using for channels to be hosted on Application Servers.

Automation of stack using Cloud Formation and Terraform Scripts in AWS.

Deployed the Azure VM's, Azure Storage (Blob, Files) using ARM Templates and PowerShell scripts.

Resolved system issues and inconsistencies in coordination with quality assurance and engineering teams.

Navayuga InfoTech, India Sept 2014- Dec 2016

Middleware administrator

RESPONSIBILITIES:

Installing WebLogic 8.1 and applied Service Packs in different environments.

Installation, configuration, and administration of BEA WebLogic in clustered and non-clustered environments.

Monitoring tools/scripts to get important information from all of department’s server’s operating system and application patch level, disk space and memory usage, user’s activities on day-to-day basis.

Configuring individual servers for different environments.

Deployed J2EE Web and EJB modules using WebLogic Command Line Deploy tool and WebLogic Admin Console.

Worked in Java and programming in JavaScript, J2EE, JSR, JSF, AJAX, jQuery, JSON, RIDC.

Used MVC design pattern with JSP, HTML for front-end and Servlets and EJBs for Model layer.

Implemented Session Beans for implementing Business Logic and Entity Beans to persist the data into the database.

Mainly worked in presenting data using eBilling reporting Module by configuring the report in the report XML.

Used Java Message Service (JMS) for sending confirmations to the passengers about ticket purchases.

Configured Database Support for WebLogic Application Server.

Oracle Enterprise manager Cloud Control for monitoring.

Used Ant Build scripts for compiling and deploying the application onto Apache Tomcat Web Container.

Worked on Configuring JDBC Connection Pools, data sources, Executed Threads etc.

Used various security roles for maintaining security realms in staging and production environments.

Performed File system and Application backups.

Responsible for the maintenance of the application, troubleshooting applications problems on client and server side.

EDUCATION QUALIFICATION:

B.tech Jawaharlal Nehru Technological University, Hyderabad 2015

MS (Master of Technology) / Kent State university, Kent, Ohio. 2018

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