Hichem NSIR
DevOps Engineer
Linux (RHCSA 8)
Devops
ELK Stack
PostgreSQL
30 years old
Professional Status
Employed
Available
About Me
Graduated from the Higher Telecommunications School of Tunis, Sup'Com, accredited by CTI. Currently holding an IT system engineer position working on a smart grid solution for SAGEMCOM Group. I am available for a CDI as a DevOps Engineer or an IT System Administrator.
DevOps System Engineer
Sagemcom
Since March 2019
- IT System Engineer tasks :
- Development of automatic installation scripts for Sagemcom smart metering solution.
- Packaging : Preparation and maintain of deliverables for each softwares versions.
- Deploy, configure and monitor of test, pre-production and production system.
- Ensure the availability, security/compliance, backup, and performance of the systems.
- Development of automatic installation scripts for Sagemcom smart metering solution.
- DevOps Engineer tasks :
- Write and maintain Ansible playbooks, roles and inventories to provision and manage the remote infrastructure ( installations, updates ...).
- Setup Continuous Delivery (CD) pipeline for Automatic Build and Deploy processes.
- Deploy, configure of docker images/containrs to deploy Sagemcom monotoring system.
- Write and maintain Ansible playbooks, roles and inventories to provision and manage the remote infrastructure ( installations, updates ...).
- Data Administrator tasks :
- Install, upgrade, and manage PostgreSQL and MongoDB database applications.
- Modifying the database structure, as necessary, for the developed software.
- Migrating database instances to new hardware and new versions of software.
- Setting up database replication (PostgreSQL Streaming replication, Log Shipping).
- Install, upgrade, and manage PostgreSQL and MongoDB database applications.
- ELK Administrator tasks:
- Installation, managing and maintaining of ELK clustering (security, flows, replication, plugins, resources, templates, indices, failed shards,..).
- Installation, managing and maintaining of ELK clustering (security, flows, replication, plugins, resources, templates, indices, failed shards,..).
- Troubleshooting :
- Work with development and validation teams to identify issues, troubleshoot and make recommendations to resolve application integration issues and ameliorate system performance.
- Work with development and validation teams to identify issues, troubleshoot and make recommendations to resolve application integration issues and ameliorate system performance.
- Documentation :
- Participation in the establishment of technical documents : network design (Network Zoning, IP addressing plan, firewalling), installation guide, Migration plan, ....
- Participation in the establishment of technical documents : network design (Network Zoning, IP addressing plan, firewalling), installation guide, Migration plan, ....
- Keywords: Linux/Shell (Centos7/Rhel 8), Python, Ansible (YML), Nexus, Docker, PostgreSql, MongoDB, EasticSearch, Kibana, OpenLDAP, Apache (Tomcat, Karaf, ActiveMQ), NFS/Autofs, Monitoring (Promotheus, Grafana, Alert-manager, Node-exporter, JMX-exporter, Postgres-exporter, Elasticsearch-exporter), Jenkins, Gitlab, Docker Hub
Volunteer Experience
Khayrocom
October 2018
to May 2019
- Development of a hybrid mobile application to digitize the recording of student work
- Keywords : Server (Nodejs, MongoDB, JSON), Client (Ionic, Angularjs, Apache Cordova), Network (RESTful APIs)
Graduation internship
IMT Atlantique France (ex: Télécom Bretagne)
April 2018
to September 2018
- Secure medical imaging data using digital watermarking and based on HVS
- Exploration, analysis and exploitation of X-ray medical images content
- Development, testing and analysis of a new watermarking algorithm for x-ray medical images
- Keywords: Python, OpenCV, Pandas, Scipy, numpy
Alternation internship
Sagemcom
September 2017
to January 2018
- Development of a visitor monitoring system in collaboration with STMichrocontroler
- Keywords: Embedded (STM32, LoRaWAN), Dev {client (Websocket, AngularJs,HTML), server (MongoDB, Nodejs, JSON)}, Middleware (LNS: Lora Network Server)
Search engine
Sup'Com
September 2017
to January 2018
- Development of a Search Engine to do text search and similar image search in a massive image database.
- Indexing and search by content using JPEG7 image descriptors (histogram, texture, ..).
- Indexing and searching text using image metadata (localisation, cities, nature, ..).
- Keywords : Python, SKLearn, kmeans, MongoDB, ElasticSearch, Logstash, JavaScript, HTML
- CI/CD : Ansible, Nexus, Jenkins, Gitlab...
- Containerization : Docker, Podman
- Container-orchestration system: Kubernetes, Docker Swarm
- Linux (CentOS/RHEL : 7&8)
- Windows
- Pack Office, Latex
- Python, ScriptShell, C/C++, Javascript
- SQL: PostgreSQL
- NoSQL : MongoDB, Elasticsearch
- Red Hat Certified System Administrator (RHCSA)
- DevOps Project: CI/CD with Jenkins Ansible Docker Kubernetes (Udemy)
- Docker Mastery: with Kubernetes +Swarm from a Docker Captain (Udemy)
- Neural Networks and Deep Learning ( Andrew Ng, Coursera)
- English (fluent)
- French (fluent)
- Arabic (maternal)
- Big Data : Hadoop/MapReduce, Spark
- Machine/Deep learning: Supervised / Unsupervised Learning, Linear/Logistics Regression , Decision Trees, Random Forests, Neural Networks, SVM, K-means, KNN, CNN
Engineering degree in ICT
Higher Telecommunications School of Tunis, Sup'Com, accredited by CTI
September 2015
to January 2019
Data science(Machine/Deep Learning), Big Data(Hadoup), Linux(Ubuntu/RedHat) , Networking and Programming.
Scientific Preparatory Classes
Preparatory Institute for Engineering Studies of Monastir (Tunisia)
September 2013
to June 2015
Major MP (Mathematics & Physics): Ranking among the first 5%
