Anwar Zama

Responsibilities:

• Track applications' availability across cluster servers, including AWS cloud, with built-in alerting and instant notification of issues.
• Working on Docker engine to create and use containers; SaaS-based services for creating and sharing Docker services in Docker hub.
• Worked on creation of custom Docker container images, tagging, and pushing the images.
• Managed Docker orchestration and Docker containerization using Kubernetes.
• Used Kubernetes to orchestrate the deployment, scaling, and management of Docker containers.
• Upgrade the Kubernetes clusters periodically.
• Deploy applications on a CaaS environment using Harness.
• Built deployment pipelines using Jenkins as a frontend for continuous deployment to local staging and test environments, and to production environments on demand. Used a combination of Ruby, Ansible, and shell scripting.
• Optimized application performance by monitoring serverless computing platforms like AWS Lambda or Azure Functions.
• Deployed container orchestration tools such as Kubernetes or Docker Swarm on different public clouds.
• Documented cloud architectures and processes for knowledge sharing and compliance purposes.
• Configured, managed, and monitored cloud-based services such as AWS EC2, S3, EBS, ELB, RDS using Terraform and Ansible.
• Configured and managed RabbitMQ.
• Supporting 300+ instances running on Red Hat and Windows environments.
• Automated the process of Apache Web Server installation and configuration using Ansible.
• Provide 24/7 production support on rotational day and night shifts.
• Responsible for creating and maintaining documentation related to applications and application issues. Responsible for documenting issues that are awaiting code releases to resolve.
• Created automated scripts to deploy applications in the cloud environment.
• Performed system administration tasks to maintain high availability of cloud services.
• Monitored performance metrics of cloud environments to ensure optimal utilization of resources.
• Created CI and CD pipelines with Jenkins and Docker to automate the build process of applications.
• Implemented systems automation using scripting languages like Python and Bash.
• Deployed microservices on Kubernetes clusters in order to increase scalability and availability of services across multiple regions.
• Maintained version control systems such as GitLab for all software development projects.
• Optimized the release cycle by automating deployments with tools like Chef, Puppet, or Ansible Tower.
• Deployed and managed J2EE, JBoss applications.
• Installed, configured, and performed tuning of JBoss application server.
• Performed JBOSS tuning to optimize performance, stabilize, and improve JVM performance by tuning the heap size and resetting the connection pools.
• WebSphere Application Server, IBM HTTP Server, WebSphere MQ.
• Fix pack install for WebSphere/Weblogic application server for various versions on Linux and Unix.
• Creation in input files and working with the SITESCOPE team to set the alerts for WebSphere application server and IBM HTTPS server.

• Build and implementation of new middleware components such as JBoss, WebSphere, Tomcat, F5 (BIG-IP), WebSEAL/ISAM, IIS, Apache, etc
• Work and Perform JBoss Server administration tasks such as provisioning, installing, configuring, monitoring and performance tuning on Linux Environments
• Configure Java J2EE applications on JBoss clusters, applications setup enabling vault mechanisms to setup vault for passwords encryption and decryption
• Implement security On JBoss to use specific SSL, TSL protocols to support java applications
• Configure multiple security domains to establish client mutual auth, ESB auth, MQ auth on JBoss so the J2EE JVM's could support and communicate to enterprise wide applications (internal and external)
• Responsible for project handover to the Web operations team with hand over documentation from a Web infrastructure perspective
• Work as Web Platform Engineer for Mastercard's prestigious application known as MasterPass which is used as payment processing source from vendors like apple, visa and discover
• Provide end to end technical/engineering support for Mastercard applications
• Work with TAM (Tivoli Access Manager) and IBM ISAM (Security Access Manager) to configure additional layer of security, so all the requests from internet will be routed to F5 which in turn will be routed via ISAM/WebSEAL devices to F5/JBoss backend’s depending upon the technicality of application architecture
• Worked on configuring work to Build WebSEAL's, Configure WebSEAL instances, create ACL's and attach those to WebSEAL objects to establish authorization/authentication between hosted applications
• Work with BIG IP F5 to configure LTM Vip's, vServers, monitors, iRules, http/https profiles, client/server ssl profiles, persistent store profiles
• Perform F5 ASM relaxations to allow/block specific traffic, data, request oriented, file size patterns to serve requests via F5 Hardware
• Create ssl profiles and configure client and server ssl profiles to establish communication between the F5's and the backend WebSEAL/Apache/JBoss hosts
• Implement complex security integration utilizing MSSL, mutual authentication, hardware certificates, software certificates, dynamic endpoints, and other security models
• Install/Deploy applications on to the JBoss clusters via console mode, script based mode and also via CI/CD tools such as Jenkins, Puppet and Chef
• Implemen ActiveDirectory on Joss via configuring security realm under management realms to establish SSO on JBoss
• Deploy jdbc drivers and configured Datasources on JBoss 6.x to support Oracle, MSSQL, DB2 and Teradata databases
• Configure JGroups modules on JBoss env to enable cross cluster communications
• Work with standalone-ha model of JBoss to configure various java resources necessary for the JBoss container
• Work with various sam2handlers to establish IDP and SP Authentication to process SAML requests and responses on JBoss EAP 6 versions
• Configure mod_proxy, mod_jk on Apache 2.2/2.4 to establish communication from web tier to app tier and also enabled forward/reverse proxy passes to redirect calls the external applications
• Work on load balancer migrations from Netscalar to BIG IP F5
• Good understanding of various levels of DMZ's with in the network to identify the traffic for routing mechanisms and also to analyze the firewall and troubleshoot connectivity issues across the Network
• Collaborate with Development teams to discuss, analyze, or resolve application and usability issues and suggest to engage the Technology Engineer's for any new requirements which are not defined in standard architecture design document (TAD)
• Participate in the project's environment shakedown testing and troubleshooting efforts as required.

• Environment: Oracle Weblogic Server 7.x/8.x/9.x/10.x/12c;IBM WebSphere MQ V5.x/6.x/7.x , IBM Websphere 7.x/8.x, IIS,Jboss application servers 4.0.x, 5.1.x ,6 and Tomcat 5.x,6.x,7.x , IBM Http Server v6.1, CA Wily Introscope 8.x, Apache WebServer, Sun One Directory Server, Maven, Chef, Hudson, AWS, Ansible, SVN, Puppet, SOLARIS, AIX 6.1, Azure,Java,IBM APPSCAN ,Jenkins ,Visual Studio,Oracle WebCenter Content,Docker,XML, JDBC, Oracle 10g, Nagios, Splunk, Shell, Jython Scripting and wsadmin
• Responsibilities:
• Extensively worked on administration of Oracle WebLogic 11g /12c Application Server
• Participated in design discussions with data architects and application architects
• Modified and mapped data from source to destination databases fields as per user requirements
• Installing, configuring and administering a large number of clustered web application servers( JBoss Enterprise application Platform, JBoss EWS, Tomcat, Glassfish) hosted on RHEL/Windows platforms
• Used F5 load balancing to increase capacity (concurrent users) and reliability of applications
• Created and maintained several different configurations for WAS, including Base Server, Network Deployment, Clustering, two node agents, and one agent
• Configured JDBC connections, JMS servers and security settings for WAS
• Was part of a tem to migrate from websphere 7 to websphere 8 application servers
• Installed, configured and administered and integrated Apache Web Server with the WebLogic Application Server for load balancing
• Experience in applying patches and plug-ins for JBoss Application Server
• Managed and monitored the JVM performance by WebLogic Heap Size, garbage collection, JDBC Pools and Multi pools
• Used Azure as a database services in the cloud
• Experience on CI and Nightly builds setup for Agile software development methodology process on Jenkins/Hudson
• Used Devops, Ansible Puppet and Gerrit
• Worked with Atlassian tools like Bamboo &Jira
• Developed processes, tools, automation for Jenkins and DevOps based software for build system and delivering SW Builds
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments
• Used Nagios to identify and resolve IT infrastructure problems in various components including applications, services, servers and network protocols
• Using various AWS technologies like EC2, ELB, Cloudformation, S3, AMI - setup an environment that can be easily automated and scaled as per requirements
• Used IIS as a Web server to responds to the requests from the browser
• Automated the Deployment process of various WAR, JAR, and EAR applications in clustered environment using ANT scripts and automation tool Meistar
• Generated Ant, Maven, Perl&UNIX scripts for build activities in QA, Staging and Production environments
• Used Visual Studio in a preview version to development of complex projects
• Used web server to store, process and deliver web pages to clients
• Used PL SQL tohandle exceptions (runtime errors)
• Automated the process of deployment to Weblogic Application Server by developing Perl Script
• Worked closely with all application teams in identifying any kind of issues to make sure new environment is 100% stable and we are 100% ready for migrating to Cloud
• Used Oracle WebCenter Content as a ECM tool
• Manage configuration of Web App and Deploy to AWS cloud server through Chef
• Working with infrastructure team to deliver environments for each project release on time
• Used Docker to provide an additional layer of abstraction and automation of operating-system-level virtualization on Linux
• Good experience with IBM WebSphere Application Server ND V5.1/6.x/7.0/8.5
• Configured WebLogic JMS Configurations - JMS Server, Connection Factory, Foreign JMS server, Message Bridge, Topic/Queue, Distributed destinations
• Configured WILY Introscope for monitoring on all the Application wsdl's and instances on Production
• Worked on Apache Active MQ, RabbitMQ, IBM MQ Software AG WebMethods and Amazon Webservices, Cloud Technologies
• Installed configuration of Puppet infrastructure for automation
• Used Jenkins for continuous integration and generated artifacts from the source repository.
• Troubleshooting and fixing the issues occurred during the deployment of Java applications and EJB components
• Installed and configured of JBoss EWS and mod_jk load balancing in a reverse proxy environment
• Implemented & maintained the branching and build/release strategies utilizing Subversion/GIT
• Performed all necessary day-to-day Subversion/GIT support for different projects
• Responsible for design and maintenance of the Subversion/GIT Repositories, views, and the access control strategies
• Configured Splunk alerts for complete Infrastructure monitoring
• Written Chef Cookbooks for various DB configurations to modularize and optimize end product configuration, converting production support scripts to Chef Recipes and AWS server provisioning using Chef Recipes
• Involved in database connectivity using JDBC Database and Connection pools
• Managing and Monitoring the JVM performance by analyzing Heap Size, garbage collection, JDBC Pools on JBoss
• Setup and managed Cron jobs, batch processing and job scheduling using shell scripts
• Work on Web Security tools- LDAP Server, SSL Certificates and client authentication
• Used Wily for understanding Heap and thread behavior of application
• Troubleshooting, Load Balancing, Clustering, Deploying Applications, Performance Tuning and Maintenance
• Knowledge in writing scripts to back up the configuration files and to remove the older log files using cronjobs
• Have a good Working knowledge on Nagios and Splunk Monitoring tools
• Analyzing the log files , taking thread dumps, JVM Dumps and Exception stack traces
• Expert in creating SSL certs and renewing certificates
• Knowledge in writing scripts to back up the configuration files and to remove the older log files using cronjobs
• Involved in on-call support for major applications that involved troubleshooting issues in application components, application servers, web servers, load balancers and DNS aliases
• Worked as a part of 24/7 on-call support for production and non-production environments.