Riadh MAHJOUB
Saint-Cloud
Summary
Results-driven Network Engineer with 10 years of expertise deploying and maintaining LAN,WAN and DATA CENTER infrastructure. Dedicated technology professional with strong track record of accurately conducting system repairs and troubleshooting. Offering exemplary planning, project management and communication talents.
Overview
10
10
years of professional experience
Work History
Data Center Expert (ACI Migration)
PMU
02.2023 - Current
- Key advisor on network and security infrastructure topics (critical and vital)
- Contributed to projects involving consolidation, migration, optimization, and evolution of existing architectures
- Managed projects including design, budgeting, deployment, planning, monitoring and testing
- Managed change management (planning, impact analysis, etc.)
- Managed complex infrastructure upgrades and migrations
- Drafted network and security architecture documents (HLD/LLD)
- Drafted production deployment documents (DMEP, Testing Plan)
- Drafted operational procedures and operating manuals
- Conducted technical training and knowledge transfer
- Managed automation projects with Ansible and technical validation.
- Evaluated emerging technologies and industry trends to inform data center strategy and maintain a competitive edge.
- Ensured high levels of security with strict access controls, vulnerability assessments, and patch management.
- Provided training and mentorship to junior engineers on best practices in data center management.
- Optimized storage infrastructure by consolidating redundant systems, resulting in reduced overhead costs.
- Improved data center efficiency by optimizing server configurations and implementing virtualization technologies.
- Enhanced security measures through the installation of firewalls, intrusion detection systems, and access control mechanisms.
Network Security and ACI Expert
SOCIÉTÉ GÉNÉRALE
02.2020 - 02.2023
- Implemented monitoring solutions on ACI infrastructure (config RSPAN / probe config / scripting)
- Key advisor on network and security infrastructure topics (critical and vital)
- Contributed to projects involving consolidation, migration, optimization, and evolution of existing architectures
- Managed projects including design, budgeting, deployment, planning, monitoring and testing
- Managed change processes (planning, impact analysis, submission to various committees for validation, and execution)
- Managed complex infrastructure upgrades and migrations
- Handled software and hardware obsolescence
- Drafted cloud service requirement documents (VDI, Cohesity, STORAGE, Scality) Drafted network and security architecture documents (HLD/LLD)
- Drafted production deployment documents (DMEP)
- Drafted operational procedures and operating manuals
- Conducted technical training and knowledge transfer
- Managed the MCO of the target infrastructure.
- Spearheaded capacity planning initiatives by analyzing current resource utilization trends and forecasting future growth requirements.
- Increased network performance with regular maintenance, monitoring, and troubleshooting of data center infrastructure.
- Maintained a high level of availability for mission-critical applications through proactive monitoring of system health indicators.
- Contributed to the design of new data centers by providing input on layout optimization, power distribution strategies, and cooling solutions.
Network and Security Engineer
PARITEL
10.2019 - 02.2020
- Redesigned campus site architecture (CISCO MERAKI)
- Analyzed, integrated, and transformed Data Center network architecture
- Participated in creating test prototypes before production deployment
- Implemented solutions to improve network performance, reliability, and security
- Provided internal and client consulting
- Participated in Project Transition, Infrastructure, Relocation Managers, and various system teams
- Ensured network actions aligned with the overall transformation schedule.
Network Security Engineer
OBS
06.2018 - 10.2019
- Participated in both simple and complex changes (upgrade, refresh, move, etc.)
- Trained level 1 operations technicians on client context (technical and organizational)
- Analyzed logs and reports proactively to detect behavioral changes
- Ensured the proper functioning of clients’ operational solutions
- Provided level 2/3 support for network and load balancer environments.
- Maintained robust security posture by regularly updating security policies and procedures.
- Designed secure network architectures, incorporating best practices and latest industry standards.
- Reduced cyber threats by conducting vulnerability assessments and recommending appropriate mitigation strategies.
Network and Security Engineer
TUNISIA TELECOM
06.2014 - 06.2018
- Drafted technical specifications for acquiring new equipment
- Prepared migration and rollback procedures and plans
- Designed and implemented target network architecture (Service Leaf) in the Data Center for new equipment
- Tested and validated migration impact with application administrators
- Renewed PE/Metro routers: Managed planning, configuration, and preparation for migrations
- Optimized Metro Ethernet loops (secured, integrated new nodes)
- Optimized aggregation switches (client migration, Metro switch over)
- Implemented suitable high-speed connectivity solutions for enterprise clients (FO, XDSL, mobile 3G/4G, VSAT, FH)
- Prepared HLD and LLD for complex enterprise solutions
- Provided technical support and troubleshooting for enterprise clients (Internet/MPLS).
Education
Fortinet
01.2022
Cisco
01.2022
Cisco
01.2022
Cisco
01.2022
Cisco
01.2021
Cisco
01.2021
Cisco
01.2021
Cisco
01.2021
National Engineering Diploma -
École Supérieure des Technologies de l’Information et de Management de l’Entreprise
01.2011
Bachelor’s Degree -
Institut Supérieur de Technologie, Hammam Sousse
01.2010
Skills
Operating System Administration
- Wide Area Network Optimization
- Networking and routing protocol expertise
- Data Center Networking
- Customer Support
- Automation tools
- Incident Management
- IT security protocols
- Storage Area Networks
- Network Architecture
- Configuration Management
- Data Center Design
- Python Programming
- LAN switching technologies
- Layer-2/3 protocols
- IP Addressing and Subnetting
- Network configuration
Languages
Arabic
Bilingual or Proficient (C2)
French
Bilingual or Proficient (C2)
English
Advanced (C1)
Timeline
Data Center Expert (ACI Migration)
PMU
02.2023 - Current
Network Security and ACI Expert
SOCIÉTÉ GÉNÉRALE
02.2020 - 02.2023
Network and Security Engineer
PARITEL
10.2019 - 02.2020
Network Security Engineer
OBS
06.2018 - 10.2019
Network and Security Engineer
TUNISIA TELECOM
06.2014 - 06.2018
Cisco
Cisco
Cisco
Cisco
Cisco
Cisco
Cisco
National Engineering Diploma -
École Supérieure des Technologies de l’Information et de Management de l’Entreprise
Bachelor’s Degree -
Institut Supérieur de Technologie, Hammam Sousse
Fortinet
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