Dali Dhifallah

Part of the IT Operation and software factory team : Ensure day to day infrastructure and environments operations. Participate in an in house deployment tool development, written in Bash and used in Jenkins jobs. Maintain Docker images (github to docker cloud) of our build and other dependencies images. Ensure system, services and environment monitoring (Zabbix & graphana+influxdb for JMX). Write and execute performance tests to ensure new features compliance (Jmeter). Ensure best operation conditions for eXo hosted instances on google cloud platform. Maintain logs collection and aggregation with filebeat, elastic search and visualize in graphana. Support/Maintain/extend/Add Jenkins CI build pipelines. Administer cloud instances/servers using configuration management tool (puppet) Administer Atlassian Jira.

As a Technical Account Manager, I am a highly technical product specialist who proactively partner with your organization to help you achieve operational excellence with eXo. As a TAM I develop personal relationship with you to understand your unique business needs, strategically plan deployments, and speed issue resolution. I engages with your organization, determines issues, owns the critical situations, and makes recommendations for improvements to ensure success. • Extensive experience in solution ecosystem • Provide enhanced resources for customer IT organization and an improved operational efficiency for technology initiatives. • Proactive planning and technical reviews to prevent issues before they arise. • Provide direct line to engineering organization allowing impact future product features and updates. • Provide proactive notifications and resolutions for critical security issues. • Insight into current and future Red Hat products to plan for and meet your long-term technology goals. • Collaboration with partners to solve technical issues.

- Design and update training classes, responding to operational changes and needs. Develop training support material and conduct webinars and onsite training sessions for eXo Platform customers. - Recommend training solutions after client consultations and/or needs assessments. - Putting eXo Platform products into production. - design & implement proof of concept environments - Resolving production issues, product configuration or environment related issues. (Linux, clustering, Application servers(Tomcat and Jboss EAP 6.1 & 6.3),Shared volumes (SAN,iscsi,NFS, cluster capable FS), Databases (Mysql, Percona, Postgre, Oracle), Directory servers(AD, Openldap), JDK, Loadbalancer(Frontal apache, haproxy), System, DB, LDAP, JMX monitoring, Backup tools, Virtualization..) - Tune & extend environments. - Server Sizing.

System Engineer : working on VCenter, Vsphere, ESXi 5 & related technologies : Vmotion, HA cluster General sysadmin tasks, deployment, monitoring, backup, automation, disaster recovery. Systems : RHEL 5.x & 6. Centos 5.x & 6. Windows 2k8 server & Ubuntu server. Oracle DBA. VPN - LoadBalancer - Vlan - Wireless security. Helpdesk Management. LAN administration.

- Install and administer servers and desktop applications. - Monitor performance. - Provide troubleshooting Level 1 and 2 or 3 depending on your area of expertise. - Ensure and maintain the operational requirements of our clients infrastructure , mode curative and preventive. - Develop monitoring tools. - Put into production applications. - Write procedures and production records to allow the pooling of knowledge. Unix Administration, Solaris, AIX, Windows 2000/2003, etc.. Mastering VMWARE SQL Active Directory and Exchange 2003 2007

Software support Engineer JAVA/J2EE, SOA, Web Services, JSP, SVN, Portlet, JCR, eXo technologies, SVN, Maven2, AJAX, Eclipse, UML