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Hamza B.HB

Hamza B.

Expert in railway and urban transport systems

€650/day
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Hamza

Experienced railway engineer with a strong background in operational safety and team leadership. Passionate about transportation, I have led projects that improved safety management systems and streamlined operations for SNCF Réseau. From managing traffic control teams to driving regulatory evolution projects, I combine technical expertise with innovative thinking.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • RATP
    Technical Coordinator - Design & Engineering System Integrator
    TRANSPORTATION
    February 2026 - Today (4 months)
    Fontenay-sous-Bois, France
    + Technical coordination and management of Design & Engineering entities (monitoring costs, deadlines, studies, and works);

    + Identification and management of RATP internal and external interfaces;
    + Identification and management of risks inherent to the project and its progress;
    + Synthesizing and relaying information to the Contracting Authority.
    Cross-functional coordination Project coordination CBTC Design & Engineering Management Interfaces
  • SNCF Réseau
    Operations and ERTMS Maintenance Specialist
    TRANSPORTATION
    January 2022 - February 2026 (4 years and 1 month)
    Project Management and Technical Scoping:
    ▪ Led the regulatory restructuring project, aiming to adapt reference texts to technological evolutions.
    ▪ Project risk analysis for the national deployment of new railway signaling maintenance rules.

    Writing Procedures and Technical Specifications:
    ▪ Drafted operating and maintenance procedures for ERTMS level 2, integrating operational requirements and technical references.
    ▪ Actively participated in the functional specification of new railway signaling products: Next Generation Axle Counter and NExTEO.

    Functional and Operational Analysis:
    ▪ In-depth functional analysis of ERTMS level 2 degraded modes on the LGV Paris-Lyon line as part of the LGV+ project, and for ERTMS level 1 deployment (Longuyon-Bâle line).
    ▪ Field analysis of procedures, conducting audits of operating and maintenance procedures to evaluate their operational effectiveness and regulatory compliance.
    ▪ Proactive identification and resolution of technical and operational interface conflicts, facilitating the integration of new technologies into railway operations.
    ERTMS Railway signaling Risk analysis Project management Interface management
  • SNCF Réseau
    Railway Traffic Manager - Signal Box Manager
    TRANSPORTATION
    September 2018 - December 2021 (3 years and 3 months)
    ▪ Supervised a team of signalers and traffic control agents.
    ▪ Designed and delivered railway traffic training programs.
    ▪ Conducted individual performance and professional development reviews for staff.
    ▪ Managed disrupted situations and degraded modes in compliance with safety procedures. (Malfunctions, incidents)
    ▪ Conducted incident investigations: event analysis, report writing.
    ▪ Represented SNCF Réseau as the Local Incident Manager with external parties during events.
    Team management Railway signaling Railway traffic Risk analysis Crisis management

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Education

  • Specialized Master's in Railway and Urban Transport Systems
    École des Ponts ParisTech
    2025

Skill set

Categories

  • Other