RATPgroup

About the Company

The RATP Group is the world's third largest public transport company, carrying 12 million people every day in France and around the world. It boasts unrivalled experience in design, project management, operation and maintenance of all types of urban and suburban transport, making it an industry leader called upon around the globe for its expertise. The RATP Group already operates in 15 countries through 100 subsidiaries and is stepping up its international expansion through some major projects worldwide.

The RATP Group is also a strong proponent of sustainable mobility. It has the know-how to meet new service quality challenges by anticipating new passenger expectations in terms of information, accessibility, safety, regularity and service innovation.

The RATP Group at a glance:

- 71,000 employees

- Operations in 15 countries

Specialisations:

Operation, maintenance and engineering of passenger transport networks: urban and suburban transport (train, metro, tramway, bus)

Listed Jobs

Company Name

RATPgroup

Job Title

Ingénieur Système de supervision F/H

Job Description

**Job Title** Supervision Systems Engineer **Role Summary** The Supervision Systems Engineer is responsible for ensuring that the product, defined by STF, meets FMDS requirements, aligns with the rail network system architecture, and is ready for deployment in the RATP rail environment. The role involves planning product activities, leading technical discussions, defining and managing system architecture, overseeing interface updates, and providing technical support throughout project life cycles. **Expectations** - Minimum 5 years of experience in a similar supervision/system engineering role, preferably within railway signalling. - Advanced technical proficiency in SCADA, database‑based systems, network architecture, and project management. - Fluency in technical English is an advantage. - Strong analytical, proactive, and team‑oriented mindset with excellent written communication skills. **Key Responsibilities** 1. Plan and coordinate product‑related activities and timelines. 2. Facilitate and sometimes lead technical meetings (project, maintenance, innovation, SLI/SLM support). 3. Define and maintain product specifications across RER, METRO, and TRAM networks. 4. Own the definition and continuous improvement of the system architecture. 5. Drive system evolution, interface identification, and updates. 6. Ensure compliance of technical requirements across all interfaces. 7. Maintain and audit documentation and technical design artifacts; conduct technology watch. 8. Provide ongoing technical support and guidance to project teams. 9. Optional duties: draft DCE documents, participate in design phases, support integration, analyze test briefs, and engage in factory or site functional testing. **Required Skills** - SCADA systems expertise - Database‑based system design and management (MySQL, PostgreSQL, SQL Server) - Database architecture knowledge - Network architecture design skills - Project management proficiency - Analytical thinking, anticipation, adaptability, rigor - Strong interpersonal and written communication abilities - Technical English language proficiency **Required Education & Certifications** - Bachelor’s +5 (Engineer or Master’s) degree in Electrical Engineering, Industrial IT, or a related discipline. - Minimum five years of relevant experience; railway signalling background preferred. - Relevant certifications in SCADA, database management, or network architecture are desirable but not mandatory.

Fontenay-sous-bois, France

Hybrid

Mid level

06-01-2026

Company Name

RATPgroup

Job Title

Responsable conception systèmes d'aide à l'exploitation RER F/H

Job Description

Job Title Systems Design Lead – RER F (Female/Male) Role Summary Lead the technical design and certification of railway support systems for the RER F line, ensuring compliance with functional requirements, coordinating with subcontractors, and overseeing the entire V‑model validation cycle. Expectations - Minimum 5 years experience in railway systems engineering and design. - Proven knowledge of IT and system architecture, network and cybersecurity issues. - Demonstrated experience with supervisory, signalling and CBTC/SAE (ATS) technologies. - Ability to produce clear functional/technical specifications and manage cross‑functional project activities. Key Responsibilities - Own end‑to‑end design of railway support systems, from pre‑studies through commissioning and maintenance handover. - Draft functional and technical specifications, define system interfaces, and ensure alignment with operational and maintenance master‑plans. - Lead and coordinate design work performed by external contractors and internal teams. - Conduct qualification and validation activities in accordance with the V‑model, using certified system qualification tools and platforms. - Monitor operational data and performance indicators to verify system objectives, and intervene in defect resolution. - Contribute to tender documentation and provide technical support to third‑party and subsidiary entities. Required Skills Technical - Rail engineering design, supervision and signalling systems. - IT systems architecture, network and cybersecurity fundamentals. - System qualification techniques and tools, CBTC/SAE / ATS knowledge. - Spec writing: functional, technical, and qualification documents. Soft - Strong communication, methodological rigor, and initiative. - Adaptability to emerging technologies, teamwork, and project collaboration. - Advisory capability in technical support and expertise delivery. Required Education & Certifications - Master’s level (Bac+5) in railway engineering, electrical or electronic engineering, or equivalent. - Relevant certifications in systems engineering, IT security, or rail signalling preferred.

Fontenay-sous-bois, France

Hybrid

Mid level

07-01-2026

Company Name

RATPgroup

Job Title

Responsable d'étude développement signalisation ferroviaire F/H

Job Description

Job title: Railway Signaling Development Study Lead (F/M) Role Summary: Lead the design and construction studies for railway signaling systems (metro and RER), creating technical drawings, supervising sub‑system development, maintaining technical oversight, analyzing incidents, and providing internal/external consultancy. Experience Expectations: Minimum 5 years experience in the railway sector with significant involvement in signaling or automation projects. Holds a Master’s level qualification (BAC+5) in Automation, Electrical Engineering, Electronics, or related field. Key Responsibilities: - Design and extend fixed signalling installations in compliance with railway safety regulations. - Produce detailed technical plans and principle schematic diagrams for signalling systems. - Collaborate with stakeholders to draft functional specifications for signaling sub‑systems. - Lead the execution of studies for new signalling sub‑systems, including on new lines. - Conduct technical surveillance and keep up‑to‑date with signalling technology developments. - Perform incident analysis involving signalling and safety, and prepare experience reports (REX). - Offer expert consultancy and support to internal and external clients. Required Skills: - In‑depth knowledge of railway transport systems and railway safety standards. - Strong background in automation, electrotechnical engineering, and signalling concepts. - Methodical, thorough, and self‑directed working style. - Excellent interpersonal, communication, and team‑working abilities. - Proficient technical writing for documentation and reports. - Openness to innovation and continuous learning. Required Education & Certifications: - Master’s degree (or equivalent) in Automation, Electrical Engineering, Electronics, or related discipline. - Relevant professional certifications in railway signaling or safety (e.g., FRE, CPES) preferred. - Valid authorization to work within the railway industry.

Fontenay-sous-bois, France

Hybrid

Mid level

09-01-2026

Company Name

RATPgroup

Job Title

Ingénieur système ferroviaire F/H

Job Description

**Job Title** Railway Systems Engineer (Automation Systems) – F/M **Role Summary** Collaborate with project and integration teams to specify, design, integrate, and validate railway automation systems within broader railway architectures. Ensure adherence to safety, resilience, and cybersecurity standards, oversee supplier performance, and provide system expertise for maintenance and future projects. **Expectations** - Deliver high‑quality, maintainable, and scalable railway automation solutions. - Communicate effectively with stakeholders, suppliers, and maintenance teams. - Apply system engineering and integration best practices to improve project performance. - Contribute to technology transfer, innovation, and continuous improvement initiatives. **Key Responsibilities** 1. **System Engineering** – Specify, design, integrate, and validate railway automation systems; model systems, define use cases, and establish verification and qualification plans. 2. **Architecture & Safety** – Embed automation components into railway architectures; enforce safety, risk analysis, resilience, and cybersecurity requirements. 3. **Supplier Management** – Monitor and manage external suppliers’ technical delivery of automation equipment. 4. **Project Integration** – Implement system engineering methods, assess impact on integration, validation, verification, and qualification strategies, and enhance project quality and performance. 5. **Maintenance Expertise** – Facilitate grand Paris infrastructure maintenance; conduct system expertise studies; support maintenance teams in preventive, predictive, and obsolescence processes. 6. **Strategic Oversight** – Drive homogenization, performance, availability, and compliance of railway systems; lead addressing plans; propose innovations and research initiatives. 7. **Field Activities** – Plan, supervise, and participate in on‑site project and expertisation tasks. **Required Skills** - 5 + years experience in railway systems engineering. - Strong analytical, synthesis, and global problem‑solving skills. - Proficiency in telecom technologies and architectures. - Knowledge of system engineering and integration methods. - Project management and teamwork capability. - Excellent written and oral communication. - Rigour, organization, and sense of responsibility. **Required Education & Certifications** - Master’s degree (MSc) equivalent (5‑year university program) in Electrical/Electronic Engineering, Systems Engineering, Railway Engineering, or related field. - Certifications in system engineering (e.g., INCOSE CSCS, ISO 26262) preferred. ---

Fontenay-sous-bois, France

Hybrid

Mid level

09-01-2026