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ELK : une expertise particulière

ELK est une pile logicielle composée de ElasticSearch, Logstash et Kibana.

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Résumé d'expériences de Saber,
freelance ELK résidant dans les Yvelines (78)

MISSIONS REFERENCES

LAHSC – FRANCE SINCE MARCH 2020
Systems Engineer/Devops
Missions
Level 3 support of a large infrastructure on several sites. Ensure the continuity of a complex environment of more
than 1500 machines (Red Hat, Windows, Aix, Vmware). Solving complex performance problems and applications in a
heterogeneous environment. Proposal of solutions, simplification and automation of work methods.
• Infrastructure automation deployments and configuration on Vmware with power shell/ansible
• Provide level 2/3 support for ELK stack
• Automation of applications integration in ELK stack for log indexing and monitoring
• Develop and maintain logstash grok patterns depending on applications filtering needs
• Secure ELK access with Keycloack/RHSSO identity provider and manage privileges throw Ldap
groups and ELK roles
• Design and implement ELK stack with docker orchestrated with docker-compose
• Support applications users to visualize and create dashboards
• Servers metrics integration in Grafana, troubleshooting and resolve incidents
• Securing applications with Keycloak/RHSSO
• Azure infrastructure administration
• Administration of RHEL 6,7&8, patching and upgrades
• Performance tuning
• Applications deployments upgrades and support
• Docker clusters administration – orchestration with docker compose/swarm
• Develop and maintain ansible playbooks for infrastructure administration
• Python/shell scripts for systems monitoring and management
• Incidents investigation and resolution
• Administration of RH-SSO, LDAP and Active directory
• Handel changes and tickets on Jira system

Main contributions
 Synchronization of on-promise AD with AzureAD (Azure, AzureAD connect)
 Migration of ELK clustered stack based on docker-compose
 Deployment and support of a Sign&Go for multi factor authentication
Migration of RHSSO from MariaDB to Oracle replicated system 
Upgrade of Elasticsearch cluster for socle client on Redhat7–fully automated with ansible 
 Migration of socle client infrastructure with ansible and Jenkins
 Migration of ELK from single instance to high available clustered solution
 Upgrade RH-SSO for MFA support
 Automation with python of LDAP synchronization from production to test environment
Technical environment
Vmware Vsphere, Azure, Redhat 6/7/8, Ansible, docker, ELK, Git, Bitbuket, Grafana, Redhat SSO,
LDAP, Power CLI, Python, Confluence, NRPE, Jenkins, F5, Active Directory, AzureAD connect, Windows
server

ADELIUS – FRANCE NOV 2019 – FEB 2020
Systems Engineer/Devops
Missions
• Deployment and automation of infra Linux configurations with Ansible
• Incidents support and investigation
• Docker image building, deployment and orchestration with Docker Swarm
Main contributions
 Docker messaging application image creation, cluster deployment and orchestration with Docker
Swarm
 Automation of package updates with Ansible and Redhat Satellite.
Technical environment
Redhat 7/8, Ansible, Docker, Docker Swarm, Redhat Satellite…

ORANGE GROUP LABS – TUNISIA MAI 2017 – OCT 2019
Solution Expert
Missions
• Perform remote/on-site acceptance, end to end tests, and incidents troubleshooting
• Develop and install devops tools to automate deployments and configuration
• Involvement in solutions integration, upgrades and systems swaps
• Study and validation of HLD/LLD documents
• Migration strategy –technical procedure, time line, impacts, planning and execution
• Disaster Recovery switchover test validation and execution support
• Support of integration and validation of new CS releases in Orange group skill center lab
(infrastructure, software validation and incidents troubleshooting)
Main contributions
 Integration of new policy control system in co-localized mode with the online charging system in
Orange Congo
 Participate in design and deployment of new solution for anti-roaming leackage on OCS, PCRF and
PGW
 Upgrade of charging and policy control system in Orange Cameroon
 Upgrade of CvBS system in Orange Congo
 Upgrade of CvBS system in Orange Conakry
 Validation of Ericsson charging system CS17 on top of OpenStack 10 in Orange group skill center lab
Technical environment
Redhat 6/7, Open Stack, Ansible, Nagios, Centreon, Oracle 12G, MariaDB, QMDP, Smpp, OCS, PCRF,
CvBS, OSG, Diameter, Gx, Gy, Wireshark, SoapUI

ORANGE GROUP LABS – TUNISIA MARCH 2014 – MAI 2017
Platform integrator
Missions
Define project planning and manage the roadmap implementation. Prepare solution low level design
and perform onsite deployments. Report milestones and project phases. Perform remote/on-site
acceptance and integration with support chain. Maintain technical documentation and provide
training for onsite stakeholders.
Main contributions
 Integration and support of a Mobile Health Line system based on Apache tomcat, MySQL in group
orange service
 Design and deployment of a co-localized market place architecture based on Tomcat and MySQL
instantiation
 Deployment of AgriFeed system for agricultural corps collection in Orange Niger
 Integration and support of a Mobile directory solution in GOS
 Integration and support of a Marketplace platform in GOS
 Qualification of a shared data plan service on Ericsson CS17 OCS in group lab
 Integration and qualification of ITOP system in Orange Lab
Technical environment
Redhat 6, Apache Tomcat, MySQL, Oracle 11G, HA Proxy, Nginx RP, heartbeat, Wireshark, tcpdump,
Jonas, Zend server, Nagios, Centrion …

OOREDOO – TUNISIA NOV. 2008 – MARCH 2014
VAS systems and database engineer
Missions
Integration of new service platforms and provide support activities including systems and applications
installations and configurations. Troubleshoot technical incidents and investigate customer’s
complaints. Ensure periodic systems and hardware maintenance, software configuration backups and
upgrades. Ensure service call 24/7 in rotation. Develop and maintain methods of procedure for
software installation and upgrades.
Main contributions
 Design and implementation of a proof of concept of SMS Gateway solution based on Kannel open
gateway, Redhat6, PHP and Mysql 5.6 on top of Cisco UCS C220 server
 Integration and administration of Multimedia Service Delivery Platform
 Integration and support of Short Message Service Center systems
 Integration and support of an Unstructured Supplementary Service Data platform
 Lead the swap and support of SMS Gateway from Derdack to Airgate system
 Integration and administration of a call ring back tone platform
 Integration and Administration of Huawei voice mail and missed call notification platform.
Perform the administration and support of Oracle databases of VAS services with variable
architectures based on active/passive SUN cluster nodes, Oracle RAC and Data Guard for geographic
redundancy with the following main tasks:
• Perform daily checks of database –systems occupation, archive log, data guard replication, daily
backups, RAC cluster processes
• Monitor databases performance, incidents troubleshooting, and perform tuning actions
• Maintain PLSQL procedures, integration with end to end service testing
• Define and execute back-up plans with storage monitoring and archiving procedures
• Provide databases support for access control, table spaces and schema monitoring
• Evaluate hardware and capacity planning, and perform databases migration
• Write and maintain databases MOPS for new services integration/upgrades
Achievements
 Integration and administration of 11G Oracle database for USSD services with Oracle RAC and Sun
cluster 10
 Integration and administration of Oracle database 11G with Data Guard and Sun cluster 10
 Integration of VAS services databases with an external centralized backup system.
Technical environment
HP and Dell blades, Sun Fire servers, Redhat 5/6, Solaris 10, Suse Linux 10, Open VMS, Windows 2008
Server, Sun cluster, Veritas cluster, F5, Mysql, Wireshark, Apache Tomcat…
Oracle 10G, 11G, SQLPlus, PL/SQL, Toad, Mysql, Oracle Rac, ASM, Rman, Oracle Data guard, Backup
server, Bacula…

TRAINING
o Google Kubernetes Engine
o Redhat automation with Ansible
o Docker/docker Swarm
o TOGAF 9 combined
o Redhat Openstack 10 administration
o Redhat Admin1,2&3
o ITIL Foundation V3
o VMware vSphere Installation, Configuration and Administration
o LINUX LPI 101, LPI 102, LPI 201, LPI 202
o Synergy-PMI, Project Management
o Orange SID Framework –TM Forum SID
o Unix Solaris 10 Installation and Administration (admin1&2)
o Oracle 10G Installation and Administration (admin1&2) o Interconnecting Cisco Network Devices
(ICND1&ICND2)

Voir le profil complet de ce freelance

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